aboutsummaryrefslogtreecommitdiffstats
path: root/bpmn/MSOCoreBPMN
diff options
context:
space:
mode:
Diffstat (limited to 'bpmn/MSOCoreBPMN')
-rw-r--r--bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/XQueryScriptTask.java484
-rw-r--r--bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/json/JsonUtils.java1660
2 files changed, 1072 insertions, 1072 deletions
diff --git a/bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/XQueryScriptTask.java b/bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/XQueryScriptTask.java
index 926f2af..31da737 100644
--- a/bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/XQueryScriptTask.java
+++ b/bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/XQueryScriptTask.java
@@ -1,243 +1,243 @@
-/*-
- * ============LICENSE_START=======================================================
- * OPENECOMP - MSO
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.mso.bpmn.core;
-
-import java.io.ByteArrayInputStream;
-import java.io.IOException;
-import java.io.InputStream;
-import java.math.BigDecimal;
-import java.net.URI;
-import java.util.Iterator;
-
-import javax.xml.transform.stream.StreamSource;
-
-import org.camunda.bpm.engine.ProcessEngineException;
-import org.camunda.bpm.engine.delegate.DelegateExecution;
-//import java.util.logging.Logger;
-import org.camunda.bpm.engine.delegate.Expression;
-
-import org.openecomp.mso.logger.MessageEnum;
-import org.openecomp.mso.logger.MsoLogger;
-
-import net.sf.saxon.Configuration;
-import net.sf.saxon.s9api.DocumentBuilder;
-import net.sf.saxon.s9api.Processor;
-import net.sf.saxon.s9api.QName;
-import net.sf.saxon.s9api.XQueryCompiler;
-import net.sf.saxon.s9api.XQueryEvaluator;
-import net.sf.saxon.s9api.XQueryExecutable;
-import net.sf.saxon.s9api.XdmAtomicValue;
-import net.sf.saxon.s9api.XdmItem;
-import net.sf.saxon.s9api.XdmNode;
-
-/**
- * Executes an XQuery script.
- * <p>
- * Required fields:<br/><br/>
- * &nbsp;&nbsp;&nbsp;&nbsp;scriptFile: the XQuery script file path<br/>
- * &nbsp;&nbsp;&nbsp;&nbsp;outputVariable: the output variable name<br/>
- * <p>
- * Optional fields:<br/><br/>
- * &nbsp;&nbsp;&nbsp;&nbsp;xmlInputVariables: CSV list of variables containing
- * XML data to be injected into the script<br/>
- * &nbsp;&nbsp;&nbsp;&nbsp;atomicInputVariables: CSV list of variables containing
- * atomic data to be injected into the script<br/>
- */
-public class XQueryScriptTask extends BaseTask {
-
- private static MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL);
-
- private Expression scriptFile;
- private Expression xmlInputVariables;
- private Expression atomicInputVariables;
- private Expression outputVariable;
-
- public void execute(DelegateExecution execution) throws Exception {
- if (msoLogger.isDebugEnabled()) {
- msoLogger.debug("Started Executing " + getTaskName());
- }
-
- String theScriptFile =
- getStringField(scriptFile, execution, "scriptFile");
- String theXmlInputVariables =
- getOptionalStringField(xmlInputVariables, execution, "xmlInputVariables");
- String theAtomicInputVariables =
- getOptionalStringField(atomicInputVariables, execution, "atomicInputVariables");
- String theOutputVariable =
- getStringField(outputVariable, execution, "outputVariable");
-
- if (msoLogger.isDebugEnabled()) {
- System.out.println("scriptFile = " + theScriptFile
- + " xmlInputVariables = " + theXmlInputVariables
- + " atomicInputVariables = " + theAtomicInputVariables
- + "outputVariable = " + theOutputVariable);
- }
-
- String[] xmlInputVariableArray = (theXmlInputVariables == null)
- ? new String[0] : theXmlInputVariables.split(",[ ]*");
-
- String[] atomicInputVariableArray = (theAtomicInputVariables == null)
- ? new String[0] : theAtomicInputVariables.split(",[ ]*");
-
- Boolean shouldFail = (Boolean) execution.getVariable("shouldFail");
-
- if (shouldFail != null && shouldFail) {
- throw new ProcessEngineException(getClass().getSimpleName() + " Failed");
- }
-
- // The script could be compiled once and reused, but we are reading it
- // and compiling it every time.
- Configuration configuration = new Configuration();
- Processor processor = new Processor(configuration);
- XQueryCompiler compiler = processor.newXQueryCompiler();
- XQueryExecutable executable = compile(compiler, theScriptFile);
-
- // The evaluator must not be shared by multiple threads. Here is where
- // the initial context may be set, as well as values of external variables.
- XQueryEvaluator evaluator = executable.load();
-
- // Convert XML string variable content to document-node objects and inject
- // these into the evaluator. Note: the script must accept the document-node
- // type. Most MSO scripts today expect element() input, not document-node
- // input. TODO: figure out how to pass the variable data as element() types.
-
- for (String xmlInputVariable : xmlInputVariableArray) {
- if (msoLogger.isDebugEnabled()) {
- msoLogger.debug("Injecting XML variable '" + xmlInputVariable + "'");
- msoLogger.debug("printing the variable content>>'" + execution.getVariable(xmlInputVariable) +"'");
- }
-
- String xml = (String) execution.getVariable(xmlInputVariable);
- DocumentBuilder documentBuilder = processor.newDocumentBuilder();
- StreamSource source = new StreamSource(new ByteArrayInputStream(xml.getBytes("UTF-8")));
- XdmNode xdmNode = documentBuilder.build(source);
-
- // Inject the document-node object into the XQueryEvaluator.
- // TODO: transform it to an element()
- QName variable = new QName(xmlInputVariable);
- evaluator.setExternalVariable(variable, xdmNode);
- }
-
- // Inject atomic variables into the evaluator.
-
- for (String atomicInputVariable : atomicInputVariableArray) {
-
- if (msoLogger.isDebugEnabled()) {
- System.out.println("Injecting object variable '"
- + atomicInputVariable + "'");
- }
-
- QName variable = new QName(atomicInputVariable);
- Object value = execution.getVariable(atomicInputVariable);
-
- if (value == null) {
- // The variable value is null, so we have no way to know what
- // type it is. I don't know how to deal with this, so for
- // now, just skip it.
-
- msoLogger.warn (MessageEnum.BPMN_VARIABLE_NULL, "BPMN", MsoLogger.getServiceName(), MsoLogger.ErrorCode.DataError, atomicInputVariable);
-
- continue;
- }
-
- // There might be a better way to do this...
- if (value instanceof BigDecimal) {
- evaluator.setExternalVariable(variable,
- new XdmAtomicValue((BigDecimal) value));
- } else if (value instanceof Boolean) {
- evaluator.setExternalVariable(variable,
- new XdmAtomicValue((Boolean) value));
- } else if (value instanceof Double) {
- evaluator.setExternalVariable(variable,
- new XdmAtomicValue((Double) value));
- } else if (value instanceof Float) {
- evaluator.setExternalVariable(variable,
- new XdmAtomicValue((Float) value));
- } else if (value instanceof Long) {
- evaluator.setExternalVariable(variable,
- new XdmAtomicValue((Long) value));
- } else if (value instanceof String) {
- evaluator.setExternalVariable(variable,
- new XdmAtomicValue((String) value));
- } else if (value instanceof URI) {
- evaluator.setExternalVariable(variable,
- new XdmAtomicValue((URI) value));
- } else {
- throw new BadInjectedFieldException(
- "atomicInputVariables", getTaskName(),
- "'" + atomicInputVariable + "' type is not supported: "
- + value.getClass());
- }
- }
-
- // Evaluate the query and collect the output.
- StringBuilder output = new StringBuilder();
- Iterator<XdmItem> xdmItems = evaluator.iterator();
- while (xdmItems.hasNext()) {
- XdmItem item = xdmItems.next();
-
- if (msoLogger.isDebugEnabled()) {
- msoLogger.debug("XQuery result item = " + item);
- }
-
- output.append(item.toString());
- }
-
- // Set the output variable.
- execution.setVariable(theOutputVariable, output.toString());
-
- if (msoLogger.isDebugEnabled()) {
- msoLogger.debug("Done Executing " + getTaskName());
- }
- }
-
- /**
- * Compiles an XQuery script contained in a resource (file).
- * @param compiler the XQueryCompiler
- * @param resource the resource path
- * @return an XQueryExecutable
- * @throws Exception on error
- */
- private XQueryExecutable compile(XQueryCompiler compiler, String resource)
- throws Exception {
- InputStream xqStream = null;
- try {
- xqStream = getClass().getResourceAsStream(resource);
-
- if (xqStream == null) {
- throw new IOException("Resource not found: " + resource);
- }
-
- XQueryExecutable executable = compiler.compile(xqStream);
- xqStream.close();
- xqStream = null;
- return executable;
- } finally {
- if (xqStream != null) {
- try {
- xqStream.close();
- } catch (Exception e) {
- // Do nothing
- }
- }
- }
- }
+/*-
+ * ============LICENSE_START=======================================================
+ * OPENECOMP - MSO
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.mso.bpmn.core;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.math.BigDecimal;
+import java.net.URI;
+import java.util.Iterator;
+
+import javax.xml.transform.stream.StreamSource;
+
+import org.camunda.bpm.engine.ProcessEngineException;
+import org.camunda.bpm.engine.delegate.DelegateExecution;
+//import java.util.logging.Logger;
+import org.camunda.bpm.engine.delegate.Expression;
+
+import org.openecomp.mso.logger.MessageEnum;
+import org.openecomp.mso.logger.MsoLogger;
+
+import net.sf.saxon.Configuration;
+import net.sf.saxon.s9api.DocumentBuilder;
+import net.sf.saxon.s9api.Processor;
+import net.sf.saxon.s9api.QName;
+import net.sf.saxon.s9api.XQueryCompiler;
+import net.sf.saxon.s9api.XQueryEvaluator;
+import net.sf.saxon.s9api.XQueryExecutable;
+import net.sf.saxon.s9api.XdmAtomicValue;
+import net.sf.saxon.s9api.XdmItem;
+import net.sf.saxon.s9api.XdmNode;
+
+/**
+ * Executes an XQuery script.
+ * <p>
+ * Required fields:<br/><br/>
+ * &nbsp;&nbsp;&nbsp;&nbsp;scriptFile: the XQuery script file path<br/>
+ * &nbsp;&nbsp;&nbsp;&nbsp;outputVariable: the output variable name<br/>
+ * <p>
+ * Optional fields:<br/><br/>
+ * &nbsp;&nbsp;&nbsp;&nbsp;xmlInputVariables: CSV list of variables containing
+ * XML data to be injected into the script<br/>
+ * &nbsp;&nbsp;&nbsp;&nbsp;atomicInputVariables: CSV list of variables containing
+ * atomic data to be injected into the script<br/>
+ */
+public class XQueryScriptTask extends BaseTask {
+
+ private static MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL);
+
+ private Expression scriptFile;
+ private Expression xmlInputVariables;
+ private Expression atomicInputVariables;
+ private Expression outputVariable;
+
+ public void execute(DelegateExecution execution) throws Exception {
+ if (msoLogger.isDebugEnabled()) {
+ msoLogger.debug("Started Executing " + getTaskName());
+ }
+
+ String theScriptFile =
+ getStringField(scriptFile, execution, "scriptFile");
+ String theXmlInputVariables =
+ getOptionalStringField(xmlInputVariables, execution, "xmlInputVariables");
+ String theAtomicInputVariables =
+ getOptionalStringField(atomicInputVariables, execution, "atomicInputVariables");
+ String theOutputVariable =
+ getStringField(outputVariable, execution, "outputVariable");
+
+ if (msoLogger.isDebugEnabled()) {
+ System.out.println("scriptFile = " + theScriptFile
+ + " xmlInputVariables = " + theXmlInputVariables
+ + " atomicInputVariables = " + theAtomicInputVariables
+ + "outputVariable = " + theOutputVariable);
+ }
+
+ String[] xmlInputVariableArray = (theXmlInputVariables == null)
+ ? new String[0] : theXmlInputVariables.split(",[ ]*");
+
+ String[] atomicInputVariableArray = (theAtomicInputVariables == null)
+ ? new String[0] : theAtomicInputVariables.split(",[ ]*");
+
+ Boolean shouldFail = (Boolean) execution.getVariable("shouldFail");
+
+ if (shouldFail != null && shouldFail) {
+ throw new ProcessEngineException(getClass().getSimpleName() + " Failed");
+ }
+
+ // The script could be compiled once and reused, but we are reading it
+ // and compiling it every time.
+ Configuration configuration = new Configuration();
+ Processor processor = new Processor(configuration);
+ XQueryCompiler compiler = processor.newXQueryCompiler();
+ XQueryExecutable executable = compile(compiler, theScriptFile);
+
+ // The evaluator must not be shared by multiple threads. Here is where
+ // the initial context may be set, as well as values of external variables.
+ XQueryEvaluator evaluator = executable.load();
+
+ // Convert XML string variable content to document-node objects and inject
+ // these into the evaluator. Note: the script must accept the document-node
+ // type. Most MSO scripts today expect element() input, not document-node
+ // input. TODO: figure out how to pass the variable data as element() types.
+
+ for (String xmlInputVariable : xmlInputVariableArray) {
+ if (msoLogger.isDebugEnabled()) {
+ msoLogger.debug("Injecting XML variable '" + xmlInputVariable + "'");
+ msoLogger.debug("printing the variable content>>'" + execution.getVariable(xmlInputVariable) +"'");
+ }
+
+ String xml = (String) execution.getVariable(xmlInputVariable);
+ DocumentBuilder documentBuilder = processor.newDocumentBuilder();
+ StreamSource source = new StreamSource(new ByteArrayInputStream(xml.getBytes("UTF-8")));
+ XdmNode xdmNode = documentBuilder.build(source);
+
+ // Inject the document-node object into the XQueryEvaluator.
+ // TODO: transform it to an element()
+ QName variable = new QName(xmlInputVariable);
+ evaluator.setExternalVariable(variable, xdmNode);
+ }
+
+ // Inject atomic variables into the evaluator.
+
+ for (String atomicInputVariable : atomicInputVariableArray) {
+
+ if (msoLogger.isDebugEnabled()) {
+ System.out.println("Injecting object variable '"
+ + atomicInputVariable + "'");
+ }
+
+ QName variable = new QName(atomicInputVariable);
+ Object value = execution.getVariable(atomicInputVariable);
+
+ if (value == null) {
+ // The variable value is null, so we have no way to know what
+ // type it is. I don't know how to deal with this, so for
+ // now, just skip it.
+
+ msoLogger.warn (MessageEnum.BPMN_VARIABLE_NULL, "BPMN", MsoLogger.getServiceName(), MsoLogger.ErrorCode.DataError, atomicInputVariable);
+
+ continue;
+ }
+
+ // There might be a better way to do this...
+ if (value instanceof BigDecimal) {
+ evaluator.setExternalVariable(variable,
+ new XdmAtomicValue((BigDecimal) value));
+ } else if (value instanceof Boolean) {
+ evaluator.setExternalVariable(variable,
+ new XdmAtomicValue((Boolean) value));
+ } else if (value instanceof Double) {
+ evaluator.setExternalVariable(variable,
+ new XdmAtomicValue((Double) value));
+ } else if (value instanceof Float) {
+ evaluator.setExternalVariable(variable,
+ new XdmAtomicValue((Float) value));
+ } else if (value instanceof Long) {
+ evaluator.setExternalVariable(variable,
+ new XdmAtomicValue((Long) value));
+ } else if (value instanceof String) {
+ evaluator.setExternalVariable(variable,
+ new XdmAtomicValue((String) value));
+ } else if (value instanceof URI) {
+ evaluator.setExternalVariable(variable,
+ new XdmAtomicValue((URI) value));
+ } else {
+ throw new BadInjectedFieldException(
+ "atomicInputVariables", getTaskName(),
+ "'" + atomicInputVariable + "' type is not supported: "
+ + value.getClass());
+ }
+ }
+
+ // Evaluate the query and collect the output.
+ StringBuilder output = new StringBuilder();
+ Iterator<XdmItem> xdmItems = evaluator.iterator();
+ while (xdmItems.hasNext()) {
+ XdmItem item = xdmItems.next();
+
+ if (msoLogger.isDebugEnabled()) {
+ msoLogger.debug("XQuery result item = " + item);
+ }
+
+ output.append(item.toString());
+ }
+
+ // Set the output variable.
+ execution.setVariable(theOutputVariable, output.toString());
+
+ if (msoLogger.isDebugEnabled()) {
+ msoLogger.debug("Done Executing " + getTaskName());
+ }
+ }
+
+ /**
+ * Compiles an XQuery script contained in a resource (file).
+ * @param compiler the XQueryCompiler
+ * @param resource the resource path
+ * @return an XQueryExecutable
+ * @throws Exception on error
+ */
+ private XQueryExecutable compile(XQueryCompiler compiler, String resource)
+ throws Exception {
+ InputStream xqStream = null;
+ try {
+ xqStream = getClass().getResourceAsStream(resource);
+
+ if (xqStream == null) {
+ throw new IOException("Resource not found: " + resource);
+ }
+
+ XQueryExecutable executable = compiler.compile(xqStream);
+ xqStream.close();
+ xqStream = null;
+ return executable;
+ } finally {
+ if (xqStream != null) {
+ try {
+ xqStream.close();
+ } catch (Exception e) {
+ // Do nothing
+ }
+ }
+ }
+ }
} \ No newline at end of file
diff --git a/bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/json/JsonUtils.java b/bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/json/JsonUtils.java
index 462bda8..4c0d068 100644
--- a/bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/json/JsonUtils.java
+++ b/bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/json/JsonUtils.java
@@ -1,830 +1,830 @@
-/*-
- * ============LICENSE_START=======================================================
- * OPENECOMP - MSO
- * ================================================================================
- * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
- * ================================================================================
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============LICENSE_END=========================================================
- */
-
-package org.openecomp.mso.bpmn.core.json;
-
-import java.util.Iterator;
-import java.util.Map;
-import java.util.HashMap;
-import java.util.StringTokenizer;
-
-import org.camunda.bpm.engine.runtime.Execution;
-import org.json.JSONArray;
-import org.json.JSONException;
-import org.json.JSONObject;
-import org.json.XML;
-
-//import org.openecomp.mso.bpmn.core.BPMNLogger;
-import org.openecomp.mso.bpmn.core.xml.XmlTool;
-import org.openecomp.mso.logger.MsoLogger;
-
-/**
- * Utility class for JSON processing
- *
- * @version 1.0
- */
-
-public class JsonUtils {
-
- private static MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL);
- private static int MSOJsonIndentFactor = 3;
-
- /**
- * Uses the JSONObject static method to convert a XML doc to JSON.
- *
- * @param xml String containing the XML doc
- * @param pretty flag to determine if the output should be formatted
- * @return String containing the JSON translation
- */
- public static String xml2json(String xml, Boolean pretty) {
-// String isDebugLogEnabled = "true";
- try {
- // name spaces cause problems, so just remove them
- JSONObject jsonObj = XML.toJSONObject(XmlTool.removeNamespaces(xml));
- if (!pretty) {
- return jsonObj.toString();
- } else {
- // add an indent to make it 'pretty'
- return jsonObj.toString(MSOJsonIndentFactor);
- }
- } catch (Exception e){
- msoLogger.debug("xml2json(): unable to parse xml and convert to json. Exception was: " + e.toString());
- return null;
- }
- }
-
- /**
- * Invokes xml2json(String, Boolean) defaulting to 'pretty' output.
- *
- * @param xml String containing the XML doc
- * @return String containing the JSON translation
- */
- public static String xml2json(String xml) {
- return xml2json(xml, true);
- }
-
- /**
- * Uses the JSONObject static method to convert a JSON doc to XML.
- * Note: this method may not generate valid XML if the JSONObject
- * contains JSONArrays which are used to represent XML attributes
- * in the JSON doc.
- *
- * @param jsonStr String containing the JSON doc
- * @param pretty flag to determine if the output should be formatted
- * @return String containing the XML translation
- */
- public static String json2xml(String jsonStr, Boolean pretty) {
-// String isDebugLogEnabled = "true";
- try {
- JSONObject jsonObj = new JSONObject(jsonStr);
- if (pretty) {
- // use the local class method which properly handles certain JSONArray content
- return XmlTool.normalize(toXMLString(jsonObj, null));
- } else {
-// use the local class method which properly handles certain JSONArray content
- return toXMLString(jsonObj, null);
- }
- } catch (Exception e){
- msoLogger.debug("json2xml(): unable to parse json and convert to xml. Exception was: " + e.toString());
- return null;
- }
- }
-
- /**
- * Uses a modified version of the org.json.XML toString() algorithm
- * to convert a JSONObject to an XML Doc. The intent of this is to
- * correctly generate XML from JSON including TAGs for JSONArrays
- *
- * @param jsonObj org.json.JSON object to be converted to XML
- * @param tagName optional XML tagname supplied primarily during recursive calls
- * @return String containing the XML translation
- */
- public static String toXMLString(Object obj, String tagName) throws JSONException {
- StringBuffer strBuf = new StringBuffer();
- int i;
- JSONArray jsonArr;
- JSONObject jsonObj;
- String key;
- Iterator<String> keys;
- int len;
- String str;
- Object curObj;
- if (obj instanceof JSONObject) {
- // msoLogger.debug("toXMLString(): is a JSONObject");
- // append "<tagName>" to the XML output
- if (tagName != null) {
-// msoLogger.debug("toXMLString(): adding opening tagName: " + tagName);
- strBuf.append("<");
- strBuf.append(tagName);
- strBuf.append(">");
- }
- // iterate thru the keys.
- jsonObj = (JSONObject) obj;
- keys = jsonObj.keys();
- while (keys.hasNext()) {
- key = keys.next().toString();
- // msoLogger.debug("toXMLString(): key is " + k);
- curObj = jsonObj.opt(key);
- if (curObj == null) {
- curObj = "";
- }
- if (curObj instanceof String) {
- str = (String) curObj;
- } else {
- str = null;
- }
- // append the content to the XML output
- if (key.equals("content")) {
- if (curObj instanceof JSONArray) {
- jsonArr = (JSONArray) curObj;
- len = jsonArr.length();
- for (i = 0; i < len; i += 1) {
- if (i > 0) {
- strBuf.append('\n');
- }
- strBuf.append(XML.escape(jsonArr.get(i).toString()));
- }
- } else {
- strBuf.append(XML.escape(curObj.toString()));
- }
- // append an array of similar keys to the XML output
- } else if (curObj instanceof JSONArray) {
- jsonArr = (JSONArray) curObj;
- len = jsonArr.length();
-// msoLogger.debug("toXMLString(): found JSONArray: " + key + ", size: " + len);
- for (i = 0; i < len; i += 1) {
- curObj = jsonArr.get(i);
- if (curObj instanceof JSONArray) {
-// The XML tags for the nested array should be generated below when this method
-// is called recursively and the JSONArray object is passed
-// strBuf.append("<");
-// strBuf.append(key);
-// strBuf.append(">");
- strBuf.append(toXMLString(curObj, null));
-// strBuf.append("</");
-// strBuf.append(key);
-// strBuf.append(">");
- } else {
-// msoLogger.debug("toXMLString(): recursive call toXML() with tagName null");
- // append the opening tag for the array (before 1st element)
- if (i == 0) {
- strBuf.append("<");
- strBuf.append(key);
- strBuf.append(">");
- }
- // append the opening tag for the array
- strBuf.append(toXMLString(curObj, null));
- // append the closing tag for the array (after last element)
- if (i == (len - 1)) {
- strBuf.append("</");
- strBuf.append(key);
- strBuf.append(">");
- }
- }
- }
- } else if (curObj.equals("")) {
- // append a closing tag "<key>" to the XML output
- strBuf.append("<");
- strBuf.append(key);
- strBuf.append("/>");
- } else {
-// msoLogger.debug("toXMLString(): recursive call toXMLString() with tagName: " + key);
- strBuf.append(toXMLString(curObj, key));
- }
- // msoLogger.debug("toXML(): partial XML: " + strBuf.toString());
- }
- if (tagName != null) {
- // append the closing tag "</tagName>" to the XML output
-// msoLogger.debug("toXMLString(): adding closing tagName: " + tagName);
- strBuf.append("</");
- strBuf.append(tagName);
- strBuf.append(">");
- }
- return strBuf.toString();
- // XML does not have good support for arrays. If an array appears in a place
- // where XML is lacking, synthesize an < array > element.
- } else if (obj instanceof JSONArray) {
- jsonArr = (JSONArray) obj;
- len = jsonArr.length();
- for (i = 0; i < len; ++i) {
- curObj = jsonArr.opt(i);
- strBuf.append(toXMLString(curObj, (tagName == null) ? "array"
- : tagName));
- }
- return strBuf.toString();
- } else {
-// msoLogger.debug("toXML(): in else block with tagName: " + tagName);
- str = (obj == null) ? "null" : XML.escape(obj.toString());
- return (tagName == null) ? "\"" + str + "\""
- : (str.length() == 0) ? "<" + tagName + "/>" : "<"
- + tagName + ">" + str + "</" + tagName + ">";
- }
- }
-
- /**
- * Formats the JSON String using the value of MSOJsonIndentFactor.
- *
- * @param jsonStr String containing the JSON doc
- * @return String containing the formatted JSON doc
- */
- public static String prettyJson(String jsonStr) {
-// String isDebugLogEnabled = "true";
- try {
- JSONObject jsonObj = new JSONObject(jsonStr);
- return jsonObj.toString(MSOJsonIndentFactor);
- } catch (Exception e){
- msoLogger.debug("prettyJson(): unable to parse/format json input. Exception was: " + e.toString());
- return null;
- }
- }
-
- /**
- * Invokes json2xml(String, Boolean) defaulting to 'pretty' output.
- *
- * @param jsonStr String containing the XML doc
- * @return String containing the JSON translation
- */
- public static String json2xml(String jsonStr) {
- return json2xml(jsonStr, true);
- }
-
- /**
- * Returns an Iterator over the JSON keys in the specified JSON doc.
- *
- * @param jsonStr String containing the JSON doc
- * @return Iterator over the JSON keys
- * @throws JSONException if the doc cannot be parsed
- */
- public static Iterator <String> getJsonIterator(String jsonStr) throws JSONException {
- return new JSONObject(jsonStr).keys();
- }
-
- /**
- * Returns the name of the "root" property in the specified JSON doc. The
- * "root" property is the single top-level property in the JSON doc. An
- * exception is thrown if the doc is empty or if it contains more than one
- * top-level property.
- *
- * @param jsonStr String containing the JSON doc
- * @return the name of the "root" property
- * @throws JSONException if the doc cannot be parsed, or if it is empty, or if
- * it contains more than one top-level property
- */
- public static String getJsonRootProperty(String jsonStr) throws JSONException {
- Iterator<String> iter = getJsonIterator(jsonStr);
-
- if (!iter.hasNext()) {
- throw new JSONException("Empty JSON object");
- }
-
- String rootPropertyName = iter.next();
-
- if (iter.hasNext()) {
- throw new JSONException("JSON object has more than one root property");
- }
-
- return rootPropertyName;
- }
-
- /**
- * Invokes the getJsonRawValue() method and returns the String equivalent of
- * the object returned.
- *
- * TBD: May need separate methods for boolean, float, and integer fields if the
- * String representation is not sufficient to meet client needs.
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the target value in the format of "key1.key2.key3..."
- * @return String field value associated with keys
- */
- public static String getJsonValue(String jsonStr, String keys) {
-// String isDebugLogEnabled = "true";
- try {
- Object rawValue = getJsonRawValue(jsonStr, keys);
- if (rawValue == null) {
- return null;
- } else {
- if (rawValue instanceof String) {
- msoLogger.debug("getJsonValue(): the raw value is a String Object=" + ((String) rawValue).toString());
- return (String) rawValue;
- } else {
- msoLogger.debug("getJsonValue(): the raw value is NOT a String Object=" + rawValue.toString());
- return rawValue.toString();
- }
- }
- } catch (Exception e) {
- msoLogger.debug("getJsonValue(): unable to parse json to retrieve value for field=" + keys + ". Exception was: " + e.toString());
- }
- return null;
- }
-
-
- /**
- * Invokes the getJsonRawValue() method with the wrap flag set to true
- * and returns the String equivalent of the json node object returned.
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the target value in the format of "key1.key2.key3..."
- * @return String field value associated with keys
- */
- public static String getJsonNodeValue(String jsonStr, String keys) {
-// String isDebugLogEnabled = "true";
- try {
- Object rawValue = getJsonRawValue(jsonStr, keys, true);
- if (rawValue == null) {
- return null;
- } else {
- if (rawValue instanceof String) {
- msoLogger.debug("getJsonNodeValue(): the raw value is a String Object=" + ((String) rawValue).toString());
- return (String) rawValue;
- } else {
- msoLogger.debug("getJsonNodeValue(): the raw value is NOT a String Object=" + rawValue.toString());
- return rawValue.toString();
- }
- }
- } catch (Exception e) {
- msoLogger.debug("getJsonNodeValue(): unable to parse json to retrieve node for field=" + keys + ". Exception was: " + e.toString());
- }
- return null;
- }
-
- /**
- * Invokes the getJsonRawValue() method and returns the String equivalent of
- * the object returned.
- *
- * TBD: May need separate methods for boolean, float, and integer fields if the
- * String representation is not sufficient to meet client needs.
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the target value in the format of "key1.key2.key3..."
- * @return String field value associated with keys
- */
- public static int getJsonIntValue(String jsonStr, String keys) {
-// String isDebugLogEnabled = "true";
- try {
- Object rawValue = getJsonRawValue(jsonStr, keys);
- if (rawValue == null) {
- return 0;
- } else {
- if (rawValue instanceof Integer) {
- msoLogger.debug("getJsonValue(): the raw value is an Integer Object=" + ((String) rawValue).toString());
- return (Integer) rawValue;
- } else {
- msoLogger.debug("getJsonValue(): the raw value is NOT an Integer Object=" + rawValue.toString());
- return 0;
- }
- }
- } catch (Exception e) {
- msoLogger.debug("getJsonValue(): unable to parse json to retrieve value for field=" + keys + ". Exception was: " + e.toString());
- }
- return 0;
- }
-
- /**
- * Invokes the getJsonParamValue() method to obtain the JSONArray associated with
- * the specified keys. The JSONArray is then walked to retrieve the first array
- * value associated with the specified field name (index=0).
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the target value in the format of "key1.key2.key3..."
- * @param name field name for the param to be retrieved
- * @return String param value associated with field name
- */
- public static String getJsonParamValue(String jsonStr, String keys, String name) {
- return getJsonParamValue(jsonStr, keys, name, 0);
- }
-
- /**
- * Invokes the getJsonRawValue() method to obtain the JSONArray associated with
- * the specified keys. The JSONArray is then walked to retrieve the nth array
- * value associated with the specified field name and index
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the target value in the format of "key1.key2.key3..."
- * @param name field name for the param to be retrieved
- * @param index the nth param associated with name starting at 0
- * @return String param value associated with field name
- */
- public static String getJsonParamValue(String jsonStr, String keys, String name, int index) {
-// String isDebugLogEnabled = "true";
- try {
- Object rawValue = getJsonRawValue(jsonStr, keys);
- if (rawValue == null) {
- return null;
- } else {
- if (rawValue instanceof JSONArray) {
- msoLogger.debug("getJsonParamValue(): keys=" + keys + " points to JSONArray: " + ((JSONArray) rawValue).toString());
- int arrayLen = ((JSONArray) rawValue).length();
- if (index < 0 || arrayLen < index+1) {
- msoLogger.debug("getJsonParamValue(): index: " + index + " is out of bounds for array size of " + arrayLen);
- return null;
- }
- int foundCnt = 0;
- for (int i = 0; i < arrayLen; i++) {
- msoLogger.debug("getJsonParamValue(): index: " + i + ", value: " + ((JSONArray) rawValue).get(i).toString());
- if (((JSONArray) rawValue).get(i) instanceof JSONObject) {
- msoLogger.debug("getJsonParamValue(): index: " + i + " is a JSONObject");
- JSONObject jsonObj = (JSONObject)((JSONArray) rawValue).get(i);
- String parmValue = jsonObj.get(name).toString();
- if (parmValue != null) {
- msoLogger.debug("getJsonParamValue(): found value: " + parmValue + " for name: " + name + " and index: " + i);
- if (foundCnt == index) {
- return parmValue;
- } else {
- foundCnt++;
- continue;
- }
- } else {
- continue;
- }
- } else {
- msoLogger.debug("getJsonParamValue(): the JSONArray element is NOT a JSONObject=" + rawValue.toString());
- return null;
- }
- }
- msoLogger.debug("getJsonParamValue(): content value NOT found for name: " + name);
- return null;
- } else {
- msoLogger.debug("getJsonParamValue(): the raw value is NOT a JSONArray Object=" + rawValue.toString());
- return null;
- }
- }
- } catch (JSONException je) {
- // JSONObject::get() throws this exception if one of the specified keys is not found
- msoLogger.debug("getJsonParamValue(): caught JSONException attempting to retrieve param value for keys:" + keys + ", name=" + name);
- } catch (Exception e) {
- msoLogger.debug("getJsonParamValue(): unable to parse json to retrieve value for field=" + keys + ". Exception was: " + e.toString());
- }
- return null;
- }
-
- /**
- * Wrapper to generate the JSONObject to pass to the getJsonValueForKey(JSONObject, String)
- * method so that recursion over the subobjects can be supported there
- *
- * @param jsonStr String containing the JSON doc
- * @param key key to the target value
- * @return String field value associated with key
- */
- public static String getJsonValueForKey(String jsonStr, String key) {
-// String isDebugLogEnabled = "true";
- try {
- JSONObject jsonObj = new JSONObject(jsonStr);
- if (jsonObj != null) {
- return getJsonValueForKey(jsonObj, key);
- }
- } catch (Exception e) {
- msoLogger.debug("getJsonValueForKey(): unable to parse json to retrieve value for field=" + key + ". Exception was: " + e.toString());
- }
- return null;
- }
-
- /**
- * Walks the JSONObject (and sub-objects recursively), searching for the first value associated with the
- * single key/field name specified. Returns the associated value if found or null if the key is not found
- *
- * @param jsonObj JSONObject representation of the the JSON doc
- * @param key key to the target value
- * @return String field value associated with key
- */
- public static String getJsonValueForKey(JSONObject jsonObj, String key) {
-// String isDebugLogEnabled = "true";
- String keyValue = null;
- try {
- if (jsonObj.has(key)) {
- msoLogger.debug("getJsonValueForKey(): found value for key=" + key);
- return ((String) jsonObj.get(key));
- } else {
- msoLogger.debug("getJsonValueForKey(): iterating over the keys");
- Iterator <String> itr = jsonObj.keys();
- while (itr.hasNext()) {
- String nextKey = (String) itr.next();
- Object obj = jsonObj.get(nextKey);
- if (obj instanceof JSONObject) {
- msoLogger.debug("getJsonValueForKey(): key=" + nextKey + ", points to JSONObject, recursive call");
- keyValue = getJsonValueForKey((JSONObject) obj, key);
- if (keyValue != null) {
- msoLogger.debug("getJsonValueForKey(): found value=" + keyValue + ", for key=" + key);
- break;
- }
- } else {
- msoLogger.debug("getJsonValueForKey(): key=" + nextKey + ", does not point to a JSONObject, next key");
- }
- }
- }
- } catch (JSONException je) {
- // JSONObject::get() throws this exception if one of the specified keys is not found
- msoLogger.debug("getJsonValueForKey(): caught JSONException attempting to retrieve value for key=" + key);
- keyValue = null;
- } catch (Exception e) {
- msoLogger.debug("getJsonValueForKey(): unable to parse json to retrieve value for field=" + key + ". Exception was: " + e.toString());
- }
- return keyValue;
- }
-
- /**
- * Walks the JSONObject (and sub-objects recursively), searching for the first value associated with the
- * single key/field name specified. Returns the associated value if found or null if the key is not found
- *
- * @param jsonObj JSONObject representation of the the JSON doc
- * @param key key to the target value
- * @return String field value associated with key
- */
- public static Integer getJsonIntValueForKey(JSONObject jsonObj, String key) {
-// String isDebugLogEnabled = "true";
- Integer keyValue = 0;
- try {
- if (jsonObj.has(key)) {
- msoLogger.debug("getJsonValueForKey(): found value for key=" + key);
- return ((Integer) jsonObj.get(key));
- } else {
- msoLogger.debug("getJsonValueForKey(): iterating over the keys");
- Iterator <String> itr = jsonObj.keys();
- while (itr.hasNext()) {
- String nextKey = (String) itr.next();
- Object obj = jsonObj.get(nextKey);
- if (obj instanceof JSONObject) {
- msoLogger.debug("getJsonValueForKey(): key=" + nextKey + ", points to JSONObject, recursive call");
- keyValue = getJsonIntValueForKey((JSONObject) obj, key);
- if (keyValue != null) {
- msoLogger.debug("getJsonValueForKey(): found value=" + keyValue + ", for key=" + key);
- break;
- }
- } else {
- msoLogger.debug("getJsonValueForKey(): key=" + nextKey + ", does not point to a JSONObject, next key");
- }
- }
- }
- } catch (JSONException je) {
- // JSONObject::get() throws this exception if one of the specified keys is not found
- msoLogger.debug("getJsonValueForKey(): caught JSONException attempting to retrieve value for key=" + key);
- keyValue = null;
- } catch (Exception e) {
- msoLogger.debug("getJsonValueForKey(): unable to parse json to retrieve value for field=" + key + ". Exception was: " + e.toString());
- }
- return keyValue;
- }
-
- /**
- * Boolean method to determine if a key path is valid for the JSON doc. Invokes
- * getJsonValue().
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the target value in the format of "key1.key2.key3..."
- * @return Boolean true if keys points to value in the JSON doc
- */
- public static Boolean jsonValueExists(String jsonStr, String keys) {
- if (getJsonRawValue(jsonStr, keys) == null) {
- return false;
- } else {
- return true;
- }
- }
-
- /**
- * Inserts the new key/value pair at the appropriate location in the JSON
- * document after first determining if keyed field already exists. If
- * it does exist, return the JSON unmodified, otherwise return the new JSON
- * Note: this method currently only supports String value inserts.
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the value to be added in the format of "key1.key2.key3..."
- * @return String containing the updated JSON doc
- */
- public static String addJsonValue(String jsonStr, String keys, String value) {
-// String isDebugLogEnabled = "true";
- // only attempt to insert the key/value pair if it does not exist
- if (!jsonValueExists(jsonStr, keys)) {
- return putJsonValue(jsonStr, keys, value);
- } else {
- msoLogger.debug("addJsonValue(): JSON add failed, key=" + keys + "/value=" + (String) value + " already exists");
- return jsonStr;
- }
- }
-
- /**
- * Updates the value for the specified key in the JSON document
- * after first determining if keyed field exists. If it does
- * not exist, return the JSON unmodified, otherwise return the updated JSON.
- * Note: this method currently only supports String value updates.
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the value to be updated in the format of "key1.key2.key3..."
- * @return String containing the updated JSON doc
- */
- public static String updJsonValue(String jsonStr, String keys, String newValue) {
-// String isDebugLogEnabled = "true";
- // only attempt to modify the key/value pair if it exists
- if (jsonValueExists(jsonStr, keys)) {
- return putJsonValue(jsonStr, keys, newValue);
- } else {
- msoLogger.debug("updJsonValue(): JSON update failed, no value exists for key=" + keys);
- return jsonStr;
- }
- }
-
- /**
- * Deletes the value for the specified key in the JSON document
- * after first determining if keyed field exists. If it does
- * not exist, return the JSON unmodified, otherwise return the updated JSON
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the value to be deleted in the format of "key1.key2.key3..."
- * @return String containing the updated JSON doc
- */
- public static String delJsonValue(String jsonStr, String keys) {
-// String isDebugLogEnabled = "true";
- // only attempt to remove the key/value pair if it exists
- if (jsonValueExists(jsonStr, keys)) {
- // passing a null value results in a delete
- return putJsonValue(jsonStr, keys, null);
- } else {
- msoLogger.debug("delJsonValue(): JSON delete failed, no value exists for key=" + keys);
- return jsonStr;
- }
- }
-
- /**
- * Walks the JSON doc using the full key path to retrieve the associated
- * value. All but the last key points to the 'parent' object name(s) in order
- * in the JSON hierarchy with the last key pointing to the target value.
- * The value returned is a Java object.
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the target value in the format of "key1.key2.key3..."
- * @return Object field value associated with keys
- */
- private static Object getJsonRawValue(String jsonStr, String keys) {
- return getJsonRawValue(jsonStr, keys, false);
- }
-
- /**
- * Walks the JSON doc using the full key path to retrieve the associated
- * value. All but the last key points to the 'parent' object name(s) in order
- * in the JSON hierarchy with the last key pointing to the target value.
- * The value returned is a Java object.
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the target value in the format of "key1.key2.key3..."
- * * @param wrap Boolean which determines if returned JSONObjects sould be "wrapped"
- * Note: wrap does not apply to returned scalar values
- * @return Object field value associated with keys
- */
- private static Object getJsonRawValue(String jsonStr, String keys, Boolean wrap) {
-// String isDebugLogEnabled = "true";
- String keyStr = "";
- try {
- JSONObject jsonObj = new JSONObject(jsonStr);
- StringTokenizer keyTokens = new StringTokenizer(keys, ".");
- while (keyTokens.hasMoreElements()) {
- keyStr = keyTokens.nextToken();
- Object keyValue = jsonObj.get(keyStr);
- if (keyValue instanceof JSONObject) {
- msoLogger.debug("getJsonRawValue(): key=" + keyStr + " points to json object");
- jsonObj = (JSONObject) keyValue;
- } else {
- if (keyTokens.hasMoreElements()) {
- msoLogger.debug("getJsonRawValue(): value found prior to last key for key=" + keyStr);
- }
- return keyValue;
- }
- }
- // return the json 'node' that the key points to
- // note: since this is a json object and not a scalar value,
- // use the wrap flag to determine if the object should
- // be wrapped with a root node value
- // (the last key in the keys String)
- if (wrap) {
- JSONObject wrappedJsonObj = new JSONObject();
- wrappedJsonObj.put(keyStr, jsonObj);
- return wrappedJsonObj.toString();
- } else {
- return jsonObj.toString();
- }
-
- } catch (JSONException je) {
- // JSONObject::get() throws this exception if one of the specified keys is not found
- msoLogger.debug("getJsonRawValue(): caught JSONException attempting to retrieve raw value for key=" + keyStr);
- } catch (Exception e) {
- msoLogger.debug("getJsonRawValue(): unable to parse json to retrieve value for field=" + keys + ". Exception was: " + e.toString());
- }
- return null;
- }
-
- /**
- * Private method invoked by the public add, update, and delete methods.
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the value to be deleted in the format of "key1.key2.key3..."
- * @return String containing the updated JSON doc
- */
- private static String putJsonValue(String jsonStr, String keys, String value) {
-// String isDebugLogEnabled = "true";
- String keyStr = "";
- try {
- JSONObject jsonObj = new JSONObject(jsonStr);
- JSONObject jsonObjOut = jsonObj;
- StringTokenizer keyTokens = new StringTokenizer(keys, ".");
- while (keyTokens.hasMoreElements()) {
- keyStr = keyTokens.nextToken();
- if (keyTokens.hasMoreElements()) {
- Object keyValue = jsonObj.get(keyStr);
- if (keyValue instanceof JSONObject) {
- msoLogger.debug("putJsonValue(): key=" + keyStr + " points to json object");
- jsonObj = (JSONObject) keyValue;
- } else {
- msoLogger.debug("putJsonValue(): key=" + keyStr + " not the last key but points to non-json object: " + (String) keyValue);
- return null;
- }
- } else { // at the last/new key value
- jsonObj.put(keyStr, value);
- return jsonObjOut.toString(3);
- }
- }
- // should not hit this point if the key points to a valid key value
- return null;
-
- } catch (JSONException je) {
- // JSONObject::get() throws this exception if one of the specified keys is not found
- msoLogger.debug("putJsonValue(): caught JSONException attempting to retrieve value for key=" + keyStr);
- return null;
- } catch (Exception e) {
- msoLogger.debug("putJsonValue(): unable to parse json to put value for key=" + keys + ". Exception was: " + e.toString());
- }
- return null;
- }
-
- /**
- * This json util method converts a json "Key" and "Value"
- * entry Array to a Java map.
- *
- * @param execution
- * @param entryArray - the json value of the entry Array
- *
- * @return map - a Map containing the entries
- *
- */
- public Map<String, String> entryArrayToMap(Execution execution, String entryArray) {
- msoLogger.debug("Started Entry Array To Map Util Method");
-
- Map<String, String> map = new HashMap<String, String>();
-
- //Populate Map
- String entryListJson = "{ \"entry\":" + entryArray + "}";
- JSONObject obj = new JSONObject(entryListJson);
- JSONArray arr = obj.getJSONArray("entry");
- for (int i = 0; i < arr.length(); i++){
- JSONObject jo = arr.getJSONObject(i);
- String key = jo.getString("key");
- String value =jo.getString("value");
- map.put(key, value);
- }
- msoLogger.debug("Outgoing Map is: " + map);
- msoLogger.debug("Completed Entry Array To Map Util Method");
- return map;
- }
-
-
- /**
- * Invokes the getJsonRawValue() method to determine if the
- * json element/variable exist. Returns true if the
- * json element exist
- *
- * @param jsonStr String containing the JSON doc
- * @param keys full key path to the target value in the format of "key1.key2.key3..."
- * @return boolean field value associated with keys
- */
- public static boolean jsonElementExist(String jsonStr, String keys) {
-
- try {
- Object rawValue = getJsonRawValue(jsonStr, keys);
- if (rawValue == null) {
- return false;
- } else {
- return true;
- }
- } catch (Exception e) {
- msoLogger.debug("jsonElementExist(): unable to determine if json element exist. Exception is: " + e.toString());
- }
- return true;
- }
-
-}
-
+/*-
+ * ============LICENSE_START=======================================================
+ * OPENECOMP - MSO
+ * ================================================================================
+ * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ */
+
+package org.openecomp.mso.bpmn.core.json;
+
+import java.util.Iterator;
+import java.util.Map;
+import java.util.HashMap;
+import java.util.StringTokenizer;
+
+import org.camunda.bpm.engine.runtime.Execution;
+import org.json.JSONArray;
+import org.json.JSONException;
+import org.json.JSONObject;
+import org.json.XML;
+
+//import org.openecomp.mso.bpmn.core.BPMNLogger;
+import org.openecomp.mso.bpmn.core.xml.XmlTool;
+import org.openecomp.mso.logger.MsoLogger;
+
+/**
+ * Utility class for JSON processing
+ *
+ * @version 1.0
+ */
+
+public class JsonUtils {
+
+ private static MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL);
+ private static int MSOJsonIndentFactor = 3;
+
+ /**
+ * Uses the JSONObject static method to convert a XML doc to JSON.
+ *
+ * @param xml String containing the XML doc
+ * @param pretty flag to determine if the output should be formatted
+ * @return String containing the JSON translation
+ */
+ public static String xml2json(String xml, Boolean pretty) {
+// String isDebugLogEnabled = "true";
+ try {
+ // name spaces cause problems, so just remove them
+ JSONObject jsonObj = XML.toJSONObject(XmlTool.removeNamespaces(xml));
+ if (!pretty) {
+ return jsonObj.toString();
+ } else {
+ // add an indent to make it 'pretty'
+ return jsonObj.toString(MSOJsonIndentFactor);
+ }
+ } catch (Exception e){
+ msoLogger.debug("xml2json(): unable to parse xml and convert to json. Exception was: " + e.toString());
+ return null;
+ }
+ }
+
+ /**
+ * Invokes xml2json(String, Boolean) defaulting to 'pretty' output.
+ *
+ * @param xml String containing the XML doc
+ * @return String containing the JSON translation
+ */
+ public static String xml2json(String xml) {
+ return xml2json(xml, true);
+ }
+
+ /**
+ * Uses the JSONObject static method to convert a JSON doc to XML.
+ * Note: this method may not generate valid XML if the JSONObject
+ * contains JSONArrays which are used to represent XML attributes
+ * in the JSON doc.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param pretty flag to determine if the output should be formatted
+ * @return String containing the XML translation
+ */
+ public static String json2xml(String jsonStr, Boolean pretty) {
+// String isDebugLogEnabled = "true";
+ try {
+ JSONObject jsonObj = new JSONObject(jsonStr);
+ if (pretty) {
+ // use the local class method which properly handles certain JSONArray content
+ return XmlTool.normalize(toXMLString(jsonObj, null));
+ } else {
+// use the local class method which properly handles certain JSONArray content
+ return toXMLString(jsonObj, null);
+ }
+ } catch (Exception e){
+ msoLogger.debug("json2xml(): unable to parse json and convert to xml. Exception was: " + e.toString());
+ return null;
+ }
+ }
+
+ /**
+ * Uses a modified version of the org.json.XML toString() algorithm
+ * to convert a JSONObject to an XML Doc. The intent of this is to
+ * correctly generate XML from JSON including TAGs for JSONArrays
+ *
+ * @param jsonObj org.json.JSON object to be converted to XML
+ * @param tagName optional XML tagname supplied primarily during recursive calls
+ * @return String containing the XML translation
+ */
+ public static String toXMLString(Object obj, String tagName) throws JSONException {
+ StringBuffer strBuf = new StringBuffer();
+ int i;
+ JSONArray jsonArr;
+ JSONObject jsonObj;
+ String key;
+ Iterator<String> keys;
+ int len;
+ String str;
+ Object curObj;
+ if (obj instanceof JSONObject) {
+ // msoLogger.debug("toXMLString(): is a JSONObject");
+ // append "<tagName>" to the XML output
+ if (tagName != null) {
+// msoLogger.debug("toXMLString(): adding opening tagName: " + tagName);
+ strBuf.append("<");
+ strBuf.append(tagName);
+ strBuf.append(">");
+ }
+ // iterate thru the keys.
+ jsonObj = (JSONObject) obj;
+ keys = jsonObj.keys();
+ while (keys.hasNext()) {
+ key = keys.next().toString();
+ // msoLogger.debug("toXMLString(): key is " + k);
+ curObj = jsonObj.opt(key);
+ if (curObj == null) {
+ curObj = "";
+ }
+ if (curObj instanceof String) {
+ str = (String) curObj;
+ } else {
+ str = null;
+ }
+ // append the content to the XML output
+ if (key.equals("content")) {
+ if (curObj instanceof JSONArray) {
+ jsonArr = (JSONArray) curObj;
+ len = jsonArr.length();
+ for (i = 0; i < len; i += 1) {
+ if (i > 0) {
+ strBuf.append('\n');
+ }
+ strBuf.append(XML.escape(jsonArr.get(i).toString()));
+ }
+ } else {
+ strBuf.append(XML.escape(curObj.toString()));
+ }
+ // append an array of similar keys to the XML output
+ } else if (curObj instanceof JSONArray) {
+ jsonArr = (JSONArray) curObj;
+ len = jsonArr.length();
+// msoLogger.debug("toXMLString(): found JSONArray: " + key + ", size: " + len);
+ for (i = 0; i < len; i += 1) {
+ curObj = jsonArr.get(i);
+ if (curObj instanceof JSONArray) {
+// The XML tags for the nested array should be generated below when this method
+// is called recursively and the JSONArray object is passed
+// strBuf.append("<");
+// strBuf.append(key);
+// strBuf.append(">");
+ strBuf.append(toXMLString(curObj, null));
+// strBuf.append("</");
+// strBuf.append(key);
+// strBuf.append(">");
+ } else {
+// msoLogger.debug("toXMLString(): recursive call toXML() with tagName null");
+ // append the opening tag for the array (before 1st element)
+ if (i == 0) {
+ strBuf.append("<");
+ strBuf.append(key);
+ strBuf.append(">");
+ }
+ // append the opening tag for the array
+ strBuf.append(toXMLString(curObj, null));
+ // append the closing tag for the array (after last element)
+ if (i == (len - 1)) {
+ strBuf.append("</");
+ strBuf.append(key);
+ strBuf.append(">");
+ }
+ }
+ }
+ } else if (curObj.equals("")) {
+ // append a closing tag "<key>" to the XML output
+ strBuf.append("<");
+ strBuf.append(key);
+ strBuf.append("/>");
+ } else {
+// msoLogger.debug("toXMLString(): recursive call toXMLString() with tagName: " + key);
+ strBuf.append(toXMLString(curObj, key));
+ }
+ // msoLogger.debug("toXML(): partial XML: " + strBuf.toString());
+ }
+ if (tagName != null) {
+ // append the closing tag "</tagName>" to the XML output
+// msoLogger.debug("toXMLString(): adding closing tagName: " + tagName);
+ strBuf.append("</");
+ strBuf.append(tagName);
+ strBuf.append(">");
+ }
+ return strBuf.toString();
+ // XML does not have good support for arrays. If an array appears in a place
+ // where XML is lacking, synthesize an < array > element.
+ } else if (obj instanceof JSONArray) {
+ jsonArr = (JSONArray) obj;
+ len = jsonArr.length();
+ for (i = 0; i < len; ++i) {
+ curObj = jsonArr.opt(i);
+ strBuf.append(toXMLString(curObj, (tagName == null) ? "array"
+ : tagName));
+ }
+ return strBuf.toString();
+ } else {
+// msoLogger.debug("toXML(): in else block with tagName: " + tagName);
+ str = (obj == null) ? "null" : XML.escape(obj.toString());
+ return (tagName == null) ? "\"" + str + "\""
+ : (str.length() == 0) ? "<" + tagName + "/>" : "<"
+ + tagName + ">" + str + "</" + tagName + ">";
+ }
+ }
+
+ /**
+ * Formats the JSON String using the value of MSOJsonIndentFactor.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @return String containing the formatted JSON doc
+ */
+ public static String prettyJson(String jsonStr) {
+// String isDebugLogEnabled = "true";
+ try {
+ JSONObject jsonObj = new JSONObject(jsonStr);
+ return jsonObj.toString(MSOJsonIndentFactor);
+ } catch (Exception e){
+ msoLogger.debug("prettyJson(): unable to parse/format json input. Exception was: " + e.toString());
+ return null;
+ }
+ }
+
+ /**
+ * Invokes json2xml(String, Boolean) defaulting to 'pretty' output.
+ *
+ * @param jsonStr String containing the XML doc
+ * @return String containing the JSON translation
+ */
+ public static String json2xml(String jsonStr) {
+ return json2xml(jsonStr, true);
+ }
+
+ /**
+ * Returns an Iterator over the JSON keys in the specified JSON doc.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @return Iterator over the JSON keys
+ * @throws JSONException if the doc cannot be parsed
+ */
+ public static Iterator <String> getJsonIterator(String jsonStr) throws JSONException {
+ return new JSONObject(jsonStr).keys();
+ }
+
+ /**
+ * Returns the name of the "root" property in the specified JSON doc. The
+ * "root" property is the single top-level property in the JSON doc. An
+ * exception is thrown if the doc is empty or if it contains more than one
+ * top-level property.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @return the name of the "root" property
+ * @throws JSONException if the doc cannot be parsed, or if it is empty, or if
+ * it contains more than one top-level property
+ */
+ public static String getJsonRootProperty(String jsonStr) throws JSONException {
+ Iterator<String> iter = getJsonIterator(jsonStr);
+
+ if (!iter.hasNext()) {
+ throw new JSONException("Empty JSON object");
+ }
+
+ String rootPropertyName = iter.next();
+
+ if (iter.hasNext()) {
+ throw new JSONException("JSON object has more than one root property");
+ }
+
+ return rootPropertyName;
+ }
+
+ /**
+ * Invokes the getJsonRawValue() method and returns the String equivalent of
+ * the object returned.
+ *
+ * TBD: May need separate methods for boolean, float, and integer fields if the
+ * String representation is not sufficient to meet client needs.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the target value in the format of "key1.key2.key3..."
+ * @return String field value associated with keys
+ */
+ public static String getJsonValue(String jsonStr, String keys) {
+// String isDebugLogEnabled = "true";
+ try {
+ Object rawValue = getJsonRawValue(jsonStr, keys);
+ if (rawValue == null) {
+ return null;
+ } else {
+ if (rawValue instanceof String) {
+ msoLogger.debug("getJsonValue(): the raw value is a String Object=" + ((String) rawValue).toString());
+ return (String) rawValue;
+ } else {
+ msoLogger.debug("getJsonValue(): the raw value is NOT a String Object=" + rawValue.toString());
+ return rawValue.toString();
+ }
+ }
+ } catch (Exception e) {
+ msoLogger.debug("getJsonValue(): unable to parse json to retrieve value for field=" + keys + ". Exception was: " + e.toString());
+ }
+ return null;
+ }
+
+
+ /**
+ * Invokes the getJsonRawValue() method with the wrap flag set to true
+ * and returns the String equivalent of the json node object returned.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the target value in the format of "key1.key2.key3..."
+ * @return String field value associated with keys
+ */
+ public static String getJsonNodeValue(String jsonStr, String keys) {
+// String isDebugLogEnabled = "true";
+ try {
+ Object rawValue = getJsonRawValue(jsonStr, keys, true);
+ if (rawValue == null) {
+ return null;
+ } else {
+ if (rawValue instanceof String) {
+ msoLogger.debug("getJsonNodeValue(): the raw value is a String Object=" + ((String) rawValue).toString());
+ return (String) rawValue;
+ } else {
+ msoLogger.debug("getJsonNodeValue(): the raw value is NOT a String Object=" + rawValue.toString());
+ return rawValue.toString();
+ }
+ }
+ } catch (Exception e) {
+ msoLogger.debug("getJsonNodeValue(): unable to parse json to retrieve node for field=" + keys + ". Exception was: " + e.toString());
+ }
+ return null;
+ }
+
+ /**
+ * Invokes the getJsonRawValue() method and returns the String equivalent of
+ * the object returned.
+ *
+ * TBD: May need separate methods for boolean, float, and integer fields if the
+ * String representation is not sufficient to meet client needs.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the target value in the format of "key1.key2.key3..."
+ * @return String field value associated with keys
+ */
+ public static int getJsonIntValue(String jsonStr, String keys) {
+// String isDebugLogEnabled = "true";
+ try {
+ Object rawValue = getJsonRawValue(jsonStr, keys);
+ if (rawValue == null) {
+ return 0;
+ } else {
+ if (rawValue instanceof Integer) {
+ msoLogger.debug("getJsonValue(): the raw value is an Integer Object=" + ((String) rawValue).toString());
+ return (Integer) rawValue;
+ } else {
+ msoLogger.debug("getJsonValue(): the raw value is NOT an Integer Object=" + rawValue.toString());
+ return 0;
+ }
+ }
+ } catch (Exception e) {
+ msoLogger.debug("getJsonValue(): unable to parse json to retrieve value for field=" + keys + ". Exception was: " + e.toString());
+ }
+ return 0;
+ }
+
+ /**
+ * Invokes the getJsonParamValue() method to obtain the JSONArray associated with
+ * the specified keys. The JSONArray is then walked to retrieve the first array
+ * value associated with the specified field name (index=0).
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the target value in the format of "key1.key2.key3..."
+ * @param name field name for the param to be retrieved
+ * @return String param value associated with field name
+ */
+ public static String getJsonParamValue(String jsonStr, String keys, String name) {
+ return getJsonParamValue(jsonStr, keys, name, 0);
+ }
+
+ /**
+ * Invokes the getJsonRawValue() method to obtain the JSONArray associated with
+ * the specified keys. The JSONArray is then walked to retrieve the nth array
+ * value associated with the specified field name and index
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the target value in the format of "key1.key2.key3..."
+ * @param name field name for the param to be retrieved
+ * @param index the nth param associated with name starting at 0
+ * @return String param value associated with field name
+ */
+ public static String getJsonParamValue(String jsonStr, String keys, String name, int index) {
+// String isDebugLogEnabled = "true";
+ try {
+ Object rawValue = getJsonRawValue(jsonStr, keys);
+ if (rawValue == null) {
+ return null;
+ } else {
+ if (rawValue instanceof JSONArray) {
+ msoLogger.debug("getJsonParamValue(): keys=" + keys + " points to JSONArray: " + ((JSONArray) rawValue).toString());
+ int arrayLen = ((JSONArray) rawValue).length();
+ if (index < 0 || arrayLen < index+1) {
+ msoLogger.debug("getJsonParamValue(): index: " + index + " is out of bounds for array size of " + arrayLen);
+ return null;
+ }
+ int foundCnt = 0;
+ for (int i = 0; i < arrayLen; i++) {
+ msoLogger.debug("getJsonParamValue(): index: " + i + ", value: " + ((JSONArray) rawValue).get(i).toString());
+ if (((JSONArray) rawValue).get(i) instanceof JSONObject) {
+ msoLogger.debug("getJsonParamValue(): index: " + i + " is a JSONObject");
+ JSONObject jsonObj = (JSONObject)((JSONArray) rawValue).get(i);
+ String parmValue = jsonObj.get(name).toString();
+ if (parmValue != null) {
+ msoLogger.debug("getJsonParamValue(): found value: " + parmValue + " for name: " + name + " and index: " + i);
+ if (foundCnt == index) {
+ return parmValue;
+ } else {
+ foundCnt++;
+ continue;
+ }
+ } else {
+ continue;
+ }
+ } else {
+ msoLogger.debug("getJsonParamValue(): the JSONArray element is NOT a JSONObject=" + rawValue.toString());
+ return null;
+ }
+ }
+ msoLogger.debug("getJsonParamValue(): content value NOT found for name: " + name);
+ return null;
+ } else {
+ msoLogger.debug("getJsonParamValue(): the raw value is NOT a JSONArray Object=" + rawValue.toString());
+ return null;
+ }
+ }
+ } catch (JSONException je) {
+ // JSONObject::get() throws this exception if one of the specified keys is not found
+ msoLogger.debug("getJsonParamValue(): caught JSONException attempting to retrieve param value for keys:" + keys + ", name=" + name);
+ } catch (Exception e) {
+ msoLogger.debug("getJsonParamValue(): unable to parse json to retrieve value for field=" + keys + ". Exception was: " + e.toString());
+ }
+ return null;
+ }
+
+ /**
+ * Wrapper to generate the JSONObject to pass to the getJsonValueForKey(JSONObject, String)
+ * method so that recursion over the subobjects can be supported there
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param key key to the target value
+ * @return String field value associated with key
+ */
+ public static String getJsonValueForKey(String jsonStr, String key) {
+// String isDebugLogEnabled = "true";
+ try {
+ JSONObject jsonObj = new JSONObject(jsonStr);
+ if (jsonObj != null) {
+ return getJsonValueForKey(jsonObj, key);
+ }
+ } catch (Exception e) {
+ msoLogger.debug("getJsonValueForKey(): unable to parse json to retrieve value for field=" + key + ". Exception was: " + e.toString());
+ }
+ return null;
+ }
+
+ /**
+ * Walks the JSONObject (and sub-objects recursively), searching for the first value associated with the
+ * single key/field name specified. Returns the associated value if found or null if the key is not found
+ *
+ * @param jsonObj JSONObject representation of the the JSON doc
+ * @param key key to the target value
+ * @return String field value associated with key
+ */
+ public static String getJsonValueForKey(JSONObject jsonObj, String key) {
+// String isDebugLogEnabled = "true";
+ String keyValue = null;
+ try {
+ if (jsonObj.has(key)) {
+ msoLogger.debug("getJsonValueForKey(): found value for key=" + key);
+ return ((String) jsonObj.get(key));
+ } else {
+ msoLogger.debug("getJsonValueForKey(): iterating over the keys");
+ Iterator <String> itr = jsonObj.keys();
+ while (itr.hasNext()) {
+ String nextKey = (String) itr.next();
+ Object obj = jsonObj.get(nextKey);
+ if (obj instanceof JSONObject) {
+ msoLogger.debug("getJsonValueForKey(): key=" + nextKey + ", points to JSONObject, recursive call");
+ keyValue = getJsonValueForKey((JSONObject) obj, key);
+ if (keyValue != null) {
+ msoLogger.debug("getJsonValueForKey(): found value=" + keyValue + ", for key=" + key);
+ break;
+ }
+ } else {
+ msoLogger.debug("getJsonValueForKey(): key=" + nextKey + ", does not point to a JSONObject, next key");
+ }
+ }
+ }
+ } catch (JSONException je) {
+ // JSONObject::get() throws this exception if one of the specified keys is not found
+ msoLogger.debug("getJsonValueForKey(): caught JSONException attempting to retrieve value for key=" + key);
+ keyValue = null;
+ } catch (Exception e) {
+ msoLogger.debug("getJsonValueForKey(): unable to parse json to retrieve value for field=" + key + ". Exception was: " + e.toString());
+ }
+ return keyValue;
+ }
+
+ /**
+ * Walks the JSONObject (and sub-objects recursively), searching for the first value associated with the
+ * single key/field name specified. Returns the associated value if found or null if the key is not found
+ *
+ * @param jsonObj JSONObject representation of the the JSON doc
+ * @param key key to the target value
+ * @return String field value associated with key
+ */
+ public static Integer getJsonIntValueForKey(JSONObject jsonObj, String key) {
+// String isDebugLogEnabled = "true";
+ Integer keyValue = 0;
+ try {
+ if (jsonObj.has(key)) {
+ msoLogger.debug("getJsonValueForKey(): found value for key=" + key);
+ return ((Integer) jsonObj.get(key));
+ } else {
+ msoLogger.debug("getJsonValueForKey(): iterating over the keys");
+ Iterator <String> itr = jsonObj.keys();
+ while (itr.hasNext()) {
+ String nextKey = (String) itr.next();
+ Object obj = jsonObj.get(nextKey);
+ if (obj instanceof JSONObject) {
+ msoLogger.debug("getJsonValueForKey(): key=" + nextKey + ", points to JSONObject, recursive call");
+ keyValue = getJsonIntValueForKey((JSONObject) obj, key);
+ if (keyValue != null) {
+ msoLogger.debug("getJsonValueForKey(): found value=" + keyValue + ", for key=" + key);
+ break;
+ }
+ } else {
+ msoLogger.debug("getJsonValueForKey(): key=" + nextKey + ", does not point to a JSONObject, next key");
+ }
+ }
+ }
+ } catch (JSONException je) {
+ // JSONObject::get() throws this exception if one of the specified keys is not found
+ msoLogger.debug("getJsonValueForKey(): caught JSONException attempting to retrieve value for key=" + key);
+ keyValue = null;
+ } catch (Exception e) {
+ msoLogger.debug("getJsonValueForKey(): unable to parse json to retrieve value for field=" + key + ". Exception was: " + e.toString());
+ }
+ return keyValue;
+ }
+
+ /**
+ * Boolean method to determine if a key path is valid for the JSON doc. Invokes
+ * getJsonValue().
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the target value in the format of "key1.key2.key3..."
+ * @return Boolean true if keys points to value in the JSON doc
+ */
+ public static Boolean jsonValueExists(String jsonStr, String keys) {
+ if (getJsonRawValue(jsonStr, keys) == null) {
+ return false;
+ } else {
+ return true;
+ }
+ }
+
+ /**
+ * Inserts the new key/value pair at the appropriate location in the JSON
+ * document after first determining if keyed field already exists. If
+ * it does exist, return the JSON unmodified, otherwise return the new JSON
+ * Note: this method currently only supports String value inserts.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the value to be added in the format of "key1.key2.key3..."
+ * @return String containing the updated JSON doc
+ */
+ public static String addJsonValue(String jsonStr, String keys, String value) {
+// String isDebugLogEnabled = "true";
+ // only attempt to insert the key/value pair if it does not exist
+ if (!jsonValueExists(jsonStr, keys)) {
+ return putJsonValue(jsonStr, keys, value);
+ } else {
+ msoLogger.debug("addJsonValue(): JSON add failed, key=" + keys + "/value=" + (String) value + " already exists");
+ return jsonStr;
+ }
+ }
+
+ /**
+ * Updates the value for the specified key in the JSON document
+ * after first determining if keyed field exists. If it does
+ * not exist, return the JSON unmodified, otherwise return the updated JSON.
+ * Note: this method currently only supports String value updates.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the value to be updated in the format of "key1.key2.key3..."
+ * @return String containing the updated JSON doc
+ */
+ public static String updJsonValue(String jsonStr, String keys, String newValue) {
+// String isDebugLogEnabled = "true";
+ // only attempt to modify the key/value pair if it exists
+ if (jsonValueExists(jsonStr, keys)) {
+ return putJsonValue(jsonStr, keys, newValue);
+ } else {
+ msoLogger.debug("updJsonValue(): JSON update failed, no value exists for key=" + keys);
+ return jsonStr;
+ }
+ }
+
+ /**
+ * Deletes the value for the specified key in the JSON document
+ * after first determining if keyed field exists. If it does
+ * not exist, return the JSON unmodified, otherwise return the updated JSON
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the value to be deleted in the format of "key1.key2.key3..."
+ * @return String containing the updated JSON doc
+ */
+ public static String delJsonValue(String jsonStr, String keys) {
+// String isDebugLogEnabled = "true";
+ // only attempt to remove the key/value pair if it exists
+ if (jsonValueExists(jsonStr, keys)) {
+ // passing a null value results in a delete
+ return putJsonValue(jsonStr, keys, null);
+ } else {
+ msoLogger.debug("delJsonValue(): JSON delete failed, no value exists for key=" + keys);
+ return jsonStr;
+ }
+ }
+
+ /**
+ * Walks the JSON doc using the full key path to retrieve the associated
+ * value. All but the last key points to the 'parent' object name(s) in order
+ * in the JSON hierarchy with the last key pointing to the target value.
+ * The value returned is a Java object.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the target value in the format of "key1.key2.key3..."
+ * @return Object field value associated with keys
+ */
+ private static Object getJsonRawValue(String jsonStr, String keys) {
+ return getJsonRawValue(jsonStr, keys, false);
+ }
+
+ /**
+ * Walks the JSON doc using the full key path to retrieve the associated
+ * value. All but the last key points to the 'parent' object name(s) in order
+ * in the JSON hierarchy with the last key pointing to the target value.
+ * The value returned is a Java object.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the target value in the format of "key1.key2.key3..."
+ * * @param wrap Boolean which determines if returned JSONObjects sould be "wrapped"
+ * Note: wrap does not apply to returned scalar values
+ * @return Object field value associated with keys
+ */
+ private static Object getJsonRawValue(String jsonStr, String keys, Boolean wrap) {
+// String isDebugLogEnabled = "true";
+ String keyStr = "";
+ try {
+ JSONObject jsonObj = new JSONObject(jsonStr);
+ StringTokenizer keyTokens = new StringTokenizer(keys, ".");
+ while (keyTokens.hasMoreElements()) {
+ keyStr = keyTokens.nextToken();
+ Object keyValue = jsonObj.get(keyStr);
+ if (keyValue instanceof JSONObject) {
+ msoLogger.debug("getJsonRawValue(): key=" + keyStr + " points to json object");
+ jsonObj = (JSONObject) keyValue;
+ } else {
+ if (keyTokens.hasMoreElements()) {
+ msoLogger.debug("getJsonRawValue(): value found prior to last key for key=" + keyStr);
+ }
+ return keyValue;
+ }
+ }
+ // return the json 'node' that the key points to
+ // note: since this is a json object and not a scalar value,
+ // use the wrap flag to determine if the object should
+ // be wrapped with a root node value
+ // (the last key in the keys String)
+ if (wrap) {
+ JSONObject wrappedJsonObj = new JSONObject();
+ wrappedJsonObj.put(keyStr, jsonObj);
+ return wrappedJsonObj.toString();
+ } else {
+ return jsonObj.toString();
+ }
+
+ } catch (JSONException je) {
+ // JSONObject::get() throws this exception if one of the specified keys is not found
+ msoLogger.debug("getJsonRawValue(): caught JSONException attempting to retrieve raw value for key=" + keyStr);
+ } catch (Exception e) {
+ msoLogger.debug("getJsonRawValue(): unable to parse json to retrieve value for field=" + keys + ". Exception was: " + e.toString());
+ }
+ return null;
+ }
+
+ /**
+ * Private method invoked by the public add, update, and delete methods.
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the value to be deleted in the format of "key1.key2.key3..."
+ * @return String containing the updated JSON doc
+ */
+ private static String putJsonValue(String jsonStr, String keys, String value) {
+// String isDebugLogEnabled = "true";
+ String keyStr = "";
+ try {
+ JSONObject jsonObj = new JSONObject(jsonStr);
+ JSONObject jsonObjOut = jsonObj;
+ StringTokenizer keyTokens = new StringTokenizer(keys, ".");
+ while (keyTokens.hasMoreElements()) {
+ keyStr = keyTokens.nextToken();
+ if (keyTokens.hasMoreElements()) {
+ Object keyValue = jsonObj.get(keyStr);
+ if (keyValue instanceof JSONObject) {
+ msoLogger.debug("putJsonValue(): key=" + keyStr + " points to json object");
+ jsonObj = (JSONObject) keyValue;
+ } else {
+ msoLogger.debug("putJsonValue(): key=" + keyStr + " not the last key but points to non-json object: " + (String) keyValue);
+ return null;
+ }
+ } else { // at the last/new key value
+ jsonObj.put(keyStr, value);
+ return jsonObjOut.toString(3);
+ }
+ }
+ // should not hit this point if the key points to a valid key value
+ return null;
+
+ } catch (JSONException je) {
+ // JSONObject::get() throws this exception if one of the specified keys is not found
+ msoLogger.debug("putJsonValue(): caught JSONException attempting to retrieve value for key=" + keyStr);
+ return null;
+ } catch (Exception e) {
+ msoLogger.debug("putJsonValue(): unable to parse json to put value for key=" + keys + ". Exception was: " + e.toString());
+ }
+ return null;
+ }
+
+ /**
+ * This json util method converts a json "Key" and "Value"
+ * entry Array to a Java map.
+ *
+ * @param execution
+ * @param entryArray - the json value of the entry Array
+ *
+ * @return map - a Map containing the entries
+ *
+ */
+ public Map<String, String> entryArrayToMap(Execution execution, String entryArray) {
+ msoLogger.debug("Started Entry Array To Map Util Method");
+
+ Map<String, String> map = new HashMap<String, String>();
+
+ //Populate Map
+ String entryListJson = "{ \"entry\":" + entryArray + "}";
+ JSONObject obj = new JSONObject(entryListJson);
+ JSONArray arr = obj.getJSONArray("entry");
+ for (int i = 0; i < arr.length(); i++){
+ JSONObject jo = arr.getJSONObject(i);
+ String key = jo.getString("key");
+ String value =jo.getString("value");
+ map.put(key, value);
+ }
+ msoLogger.debug("Outgoing Map is: " + map);
+ msoLogger.debug("Completed Entry Array To Map Util Method");
+ return map;
+ }
+
+
+ /**
+ * Invokes the getJsonRawValue() method to determine if the
+ * json element/variable exist. Returns true if the
+ * json element exist
+ *
+ * @param jsonStr String containing the JSON doc
+ * @param keys full key path to the target value in the format of "key1.key2.key3..."
+ * @return boolean field value associated with keys
+ */
+ public static boolean jsonElementExist(String jsonStr, String keys) {
+
+ try {
+ Object rawValue = getJsonRawValue(jsonStr, keys);
+ if (rawValue == null) {
+ return false;
+ } else {
+ return true;
+ }
+ } catch (Exception e) {
+ msoLogger.debug("jsonElementExist(): unable to determine if json element exist. Exception is: " + e.toString());
+ }
+ return true;
+ }
+
+}
+