1 files changed, 117 insertions, 0 deletions
diff --git a/bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/ReadFileTask.java b/bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/ReadFileTask.java
new file mode 100644
index 0000000000..389fdc0518
--- /dev/null
+++ b/bpmn/MSOCoreBPMN/src/main/java/org/openecomp/mso/bpmn/core/ReadFileTask.java
@@ -0,0 +1,117 @@
+/*-
+ * ============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.BufferedReader;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+
+import org.camunda.bpm.engine.ProcessEngineException;
+import org.camunda.bpm.engine.delegate.DelegateExecution;
+import org.camunda.bpm.engine.delegate.Expression;
+
+import org.openecomp.mso.logger.MsoLogger;
+
+/**
+ * Conditionally reads the contents of a resource file as a string and stores it
+ * in an execution variable.  The file is read only if the value of the input
+ * variable is null.
+ * <p>
+ * Required fields:<br/><br/>
+ * &nbsp;&nbsp;&nbsp;&nbsp;file: the resource file path<br/>
+ * &nbsp;&nbsp;&nbsp;&nbsp;inputVariable: the input variable name<br/>
+ * &nbsp;&nbsp;&nbsp;&nbsp;outputVariable: the output variable name<br/>
+ */
+public class ReadFileTask extends BaseTask {
+	
+	private Expression file;
+	private Expression inputVariable;
+	private Expression outputVariable;
+	
+	private static MsoLogger msoLogger = MsoLogger.getMsoLogger(MsoLogger.Catalog.BPEL);
+
+	public void execute(DelegateExecution execution) throws Exception {
+		if (msoLogger.isDebugEnabled()) {
+			msoLogger.debug("Started Executing " + getTaskName());
+		}
+
+		String theInputVariable =
+			getStringField(inputVariable, execution, "inputVariable");
+		String theOutputVariable =
+			getOutputField(outputVariable, execution, "outputVariable");
+		String theFile =getStringField(file, execution, "file");
+
+		if (msoLogger.isDebugEnabled()) {
+			msoLogger.debug("inputVariable = " + theInputVariable
+				+ " outputVariable = " + theOutputVariable
+				+ "file = " + theFile);
+		}
+
+		Boolean shouldFail = (Boolean) execution.getVariable("shouldFail");
+
+		if (shouldFail != null && shouldFail) {
+			throw new ProcessEngineException(getClass().getSimpleName() + " Failed");
+		}
+
+		Object value = execution.getVariable(theInputVariable);
+
+		if (value == null) {
+			InputStream xmlStream = null;
+
+			try {
+				xmlStream = getClass().getResourceAsStream(theFile);
+
+				if (xmlStream == null) {
+					throw new IOException("Resource not found: " + theFile);
+				}
+
+				BufferedReader reader = new BufferedReader(new InputStreamReader(xmlStream));
+				StringBuilder output = new StringBuilder();
+				String line;
+
+				while ((line = reader.readLine()) != null) {
+					output.append(line);
+				}
+
+				xmlStream.close();
+				xmlStream = null;
+
+				value = output.toString();
+
+			} finally {
+				if (xmlStream != null) {
+					try {
+						xmlStream.close();
+					} catch (Exception e) {
+						// Do nothing
+					}
+				}
+			}
+		}
+		execution.setVariable(theInputVariable, value);
+		execution.setVariable(theOutputVariable, value);
+		System.out.println("ServiceInput - " + execution.getVariable("gServiceInput"));
+		if (msoLogger.isDebugEnabled()) {
+			msoLogger.debug("Done Executing " + getTaskName());
+		}
+	}
+}