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Posted to jmeter-dev@jakarta.apache.org by se...@apache.org on 2006/05/26 22:19:14 UTC
svn commit: r409733 - in /jakarta/jmeter/branches/rel-2-1:
lib/commons-jexl-1.0.jar
src/functions/org/apache/jmeter/functions/JexlFunction.java
Author: sebb
Date: Fri May 26 13:19:13 2006
New Revision: 409733
URL: http://svn.apache.org/viewvc?rev=409733&view=rev
Log:
Add Jexl function
TODO: update functions.xml/changes
Added:
jakarta/jmeter/branches/rel-2-1/lib/commons-jexl-1.0.jar (with props)
jakarta/jmeter/branches/rel-2-1/src/functions/org/apache/jmeter/functions/JexlFunction.java (with props)
Added: jakarta/jmeter/branches/rel-2-1/lib/commons-jexl-1.0.jar
URL: http://svn.apache.org/viewvc/jakarta/jmeter/branches/rel-2-1/lib/commons-jexl-1.0.jar?rev=409733&view=auto
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Added: jakarta/jmeter/branches/rel-2-1/src/functions/org/apache/jmeter/functions/JexlFunction.java
URL: http://svn.apache.org/viewvc/jakarta/jmeter/branches/rel-2-1/src/functions/org/apache/jmeter/functions/JexlFunction.java?rev=409733&view=auto
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--- jakarta/jmeter/branches/rel-2-1/src/functions/org/apache/jmeter/functions/JexlFunction.java (added)
+++ jakarta/jmeter/branches/rel-2-1/src/functions/org/apache/jmeter/functions/JexlFunction.java Fri May 26 13:19:13 2006
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2004-2005 The Apache Software Foundation or its licensors,
+ * as applicable.
+ *
+ * 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.
+ */
+package org.apache.jmeter.functions;
+
+import java.io.Serializable;
+import java.util.Collection;
+import java.util.LinkedList;
+import java.util.List;
+
+import org.apache.commons.jexl.Expression;
+import org.apache.commons.jexl.ExpressionFactory;
+import org.apache.commons.jexl.JexlContext;
+import org.apache.commons.jexl.JexlHelper;
+import org.apache.jmeter.engine.util.CompoundVariable;
+import org.apache.jmeter.samplers.SampleResult;
+import org.apache.jmeter.samplers.Sampler;
+import org.apache.jorphan.logging.LoggingManager;
+import org.apache.log.Logger;
+
+/**
+ * A function which understands Commons JEXL
+ */
+public class JexlFunction extends AbstractFunction implements Serializable
+{
+ /**
+ * <code>serialVersionUID</code>
+ */
+ private static final long serialVersionUID = 3546359539474968625L;
+
+ private static Logger log = LoggingManager.getLoggerForClass();
+
+ private static final String KEY = "__jexl";
+
+ private static final List desc = new LinkedList();
+
+ static
+ {
+ desc.add("expression");
+ }
+
+ private Object[] values;
+
+ public String execute(SampleResult result, Sampler sampler)
+ throws InvalidVariableException
+ {
+ String str = "";
+
+ CompoundVariable var = (CompoundVariable) values[0];
+ String exp = var.getRawParameters();
+
+ try
+ {
+ Expression e = ExpressionFactory.createExpression(exp);
+ JexlContext jc = JexlHelper.createContext();
+ jc.getVars().put("ctx", sampler.getThreadContext());
+ jc.getVars().put("vars", getVariables());
+ jc.getVars().put("theadName", sampler.getThreadName());
+ jc.getVars().put("sampler", sampler);
+ jc.getVars().put("sampleResult", result);
+
+ // Now evaluate the expression, getting the result
+ Object o = e.evaluate(jc);
+ if (o != null)
+ {
+ str = o.toString();
+ }
+ } catch (Exception e)
+ {
+ log.error("An error occurred while evaluating the expression \""
+ + exp + "\"");
+ }
+ return str;
+ }
+
+ public List getArgumentDesc()
+ {
+ return desc;
+ }
+
+ public String getReferenceKey()
+ {
+ return KEY;
+ }
+
+ public void setParameters(Collection parameters)
+ throws InvalidVariableException
+ {
+ values = parameters.toArray();
+ if (values.length != 1)
+ {
+ throw new InvalidVariableException("it only accepts one parameter");
+ }
+ }
+
+}
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