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-rw-r--r--appc-directed-graph/dg-loader/provider/src/main/java/org/onap/sdnc/dg/loader/DGXMLGenerator.java82
1 files changed, 43 insertions, 39 deletions
diff --git a/appc-directed-graph/dg-loader/provider/src/main/java/org/onap/sdnc/dg/loader/DGXMLGenerator.java b/appc-directed-graph/dg-loader/provider/src/main/java/org/onap/sdnc/dg/loader/DGXMLGenerator.java
index b7ff22251..ca6751005 100644
--- a/appc-directed-graph/dg-loader/provider/src/main/java/org/onap/sdnc/dg/loader/DGXMLGenerator.java
+++ b/appc-directed-graph/dg-loader/provider/src/main/java/org/onap/sdnc/dg/loader/DGXMLGenerator.java
@@ -25,12 +25,14 @@
package org.onap.sdnc.dg.loader;
import java.io.File;
+import java.io.IOException;
import java.security.InvalidParameterException;
import java.util.ArrayList;
import java.util.List;
import javax.script.Invocable;
import javax.script.ScriptEngine;
import javax.script.ScriptEngineManager;
+import javax.script.ScriptException;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
@@ -38,15 +40,15 @@ import org.slf4j.LoggerFactory;
public class DGXMLGenerator {
- private final static Logger logger = LoggerFactory.getLogger(DGXMLGenerator.class);
- public static final String STRING_ENCODING = "utf-8";
- public static final String JS_INTERFACE_DG_CONVERTOR = "dgconverter";
- public static final String JS_METHOD_GET_NODE_TO_XML = "getNodeToXml";
- public static final String GENERATOR_TEMPLATE_FILE = "js/dg_xml2json.js";
+ private static final Logger logger = LoggerFactory.getLogger(DGXMLGenerator.class);
- public void generateXMLFromJSON(String jsonPath, String xmlpath, String propertyPath)
- throws InvalidParameterException {
+ private static final String STRING_ENCODING = "utf-8";
+ private static final String JS_INTERFACE_DG_CONVERTOR = "dgconverter";
+ private static final String JS_METHOD_GET_NODE_TO_XML = "getNodeToXml";
+ private static final String GENERATOR_TEMPLATE_FILE = "js/dg_xml2json.js";
+
+ public void generateXMLFromJSON(String jsonPath, String xmlpath, String propertyPath) {
try {
ScriptEngineManager manager = new ScriptEngineManager();
ScriptEngine engine = manager.getEngineByName("JavaScript");
@@ -55,19 +57,17 @@ public class DGXMLGenerator {
return;
}
Invocable inv = (Invocable) engine;
- // engine.eval(new
- // FileReader(DGXMLGenerator.class.getClassLoader().getResource(GENERATOR_TEMPLATE_FILE).getPath()));
String js = IOUtils.toString(DGXMLGenerator.class.getClassLoader()
- .getResourceAsStream(GENERATOR_TEMPLATE_FILE), STRING_ENCODING);
+ .getResourceAsStream(GENERATOR_TEMPLATE_FILE), STRING_ENCODING);
engine.eval(js);
Object dgconverter = engine.get(JS_INTERFACE_DG_CONVERTOR);
- List<File> files = new ArrayList<File>();
+ List<File> files = new ArrayList<>();
if (dgconverter != null) {
File jsonPathFile = new File(jsonPath);
if (jsonPathFile.isDirectory()) {
- String[] extensions = new String[] {"json", "JSON"};
+ String[] extensions = new String[]{"json", "JSON"};
files = (List<File>) FileUtils.listFiles(jsonPathFile, extensions, true);
} else if (jsonPathFile.isFile()) {
files.add(jsonPathFile);
@@ -77,26 +77,12 @@ public class DGXMLGenerator {
logger.info("JSON Files identified " + files.size());
- if (files.size() > 0) {
+ if (!files.isEmpty()) {
boolean isXmlPathDeleted = FileUtils.deleteQuietly(new File(xmlpath));
logger.info("Cleaning old DG XML under : " + xmlpath + ", delete status :"
- + isXmlPathDeleted);
-
- for (File file : files) {
- String dgJson = FileUtils.readFileToString(file, STRING_ENCODING);
- logger.info("Generating XML from :" + file.getName());
- String xmlFileName =
- xmlpath + "/" + file.getName().replace(".json", ".xml");
-
- Object dgXMl =
- inv.invokeMethod(dgconverter, JS_METHOD_GET_NODE_TO_XML, dgJson);
- // Write the XML File
- if (dgXMl != null) {
- File xmlFile = new File(xmlFileName);
- FileUtils.writeStringToFile(xmlFile, dgXMl.toString(), STRING_ENCODING);
- logger.info("Generated XML File under :" + xmlFile.getCanonicalPath());
- }
- }
+ + isXmlPathDeleted);
+
+ generateXmls(xmlpath, inv, dgconverter, files);
} else {
logger.info("No JSON Files to generate XML");
@@ -105,21 +91,42 @@ public class DGXMLGenerator {
logger.error("Couldn't get Java Script Engine..");
}
} catch (Exception e) {
- logger.error("Failed to generate generateXMLFromJSON :" + e.getMessage());
+ logger.error("Failed to generate generateXMLFromJSON", e);
}
}
+ private void generateXmls(String xmlpath, Invocable inv, Object dgconverter, List<File> files)
+ throws IOException, ScriptException, NoSuchMethodException {
+ for (File file : files) {
+ String dgJson = FileUtils.readFileToString(file, STRING_ENCODING);
+ logger.info("Generating XML from :" + file.getName());
+ String xmlFileName =
+ xmlpath + "/" + file.getName().replace(".json", ".xml");
+
+ Object dgXMl =
+ inv.invokeMethod(dgconverter, JS_METHOD_GET_NODE_TO_XML, dgJson);
+ tryWriteXml(xmlFileName, dgXMl);
+ }
+ }
+
+ private void tryWriteXml(String xmlFileName, Object dgXMl) throws IOException {
+ if (dgXMl != null) {
+ File xmlFile = new File(xmlFileName);
+ FileUtils.writeStringToFile(xmlFile, dgXMl.toString(), STRING_ENCODING);
+ logger.info("Generated XML File under :" + xmlFile.getCanonicalPath());
+ }
+ }
public static void main(String[] args) {
try {
DGXMLGenerator application = new DGXMLGenerator();
- String jsonPath = null;
- String xmlPath = null;
+ String jsonPath;
+ String xmlPath;
String propertyPath = null;
// Generate, GenerateLoad, GenerateLoadActivate
- // args = new String[]{"src/main/resources/json","src/test/resources/xml"};
- logger.info("DGXML Conversion Started with arguments :" + args[0] + ":" + args[1]);
if (args != null && args.length >= 2) {
+ // e.g "src/main/resources/json" "src/test/resources/xml"
+ logger.info("DGXML Conversion Started with arguments :" + args[0] + ":" + args[1]);
jsonPath = args[0];
xmlPath = args[1];
} else {
@@ -129,10 +136,7 @@ public class DGXMLGenerator {
application.generateXMLFromJSON(jsonPath, xmlPath, propertyPath);
logger.info("DGXML Conversion Completed...");
} catch (Exception e) {
- logger.error("Failed in DG XML Generation :" + e.getMessage());
- e.printStackTrace();
+ logger.error("Failed in DG XML Generation", e);
}
-
}
-
}