/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.util.Collection;
import java.util.LinkedList;
import java.util.List;
import org.apache.jmeter.engine.util.CompoundVariable;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.samplers.Sampler;
import org.apache.jmeter.threads.JMeterContext;
import org.apache.jmeter.threads.JMeterContextService;
import org.apache.jmeter.threads.JMeterVariables;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.EcmaError;
import org.mozilla.javascript.JavaScriptException;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.WrappedException;
public class JavaScript extends AbstractFunction {
private static final List desc = new LinkedList();
private static final String KEY = "__javaScript"; //$NON-NLS-1$
private static final Logger log = LoggingManager.getLoggerForClass();
static {
desc.add(JMeterUtils.getResString("javascript_expression"));//$NON-NLS-1$
desc.add(JMeterUtils.getResString("function_name_paropt")); //$NON-NLS-1$
}
private Object[] values;
public JavaScript() {
}
/*
* (non-Javadoc)
*
* @see org.apache.jmeter.functions.Function#execute(SampleResult, Sampler)
*/
public synchronized String execute(SampleResult previousResult, Sampler currentSampler)
throws InvalidVariableException {
JMeterContext jmctx = JMeterContextService.getContext();
JMeterVariables vars = jmctx.getVariables();
String script = ((CompoundVariable) values[0]).execute();
// Allow variable to be omitted
String varName = values.length < 2 ? null : ((CompoundVariable) values[1]).execute().trim();
String resultStr = "";
Context cx = Context.enter();
try {
Scriptable scope = cx.initStandardObjects(null);
// Set up some objects for the script to play with
scope.put("log", scope, log); //$NON-NLS-1$
scope.put("ctx", scope, jmctx); //$NON-NLS-1$
scope.put("vars", scope, vars); //$NON-NLS-1$
scope.put("props", scope, JMeterUtils.getJMeterProperties()); //$NON-NLS-1$
// Previously mis-spelt as theadName
scope.put("threadName", scope, Thread.currentThread().getName()); //$NON-NLS-1$
scope.put("sampler", scope, currentSampler); //$NON-NLS-1$
scope.put("sampleResult", scope, previousResult); //$NON-NLS-1$
Object result = cx.evaluateString(scope, script, "<cmd>", 1, null); //$NON-NLS-1$
resultStr = Context.toString(result);
if (varName != null && vars != null) {// vars can be null if run from TestPlan
vars.put(varName, resultStr);
}
} catch (WrappedException e) {
log.error("Error processing Javascript", e);
throw new InvalidVariableException();
} catch (EcmaError e) {
log.error("Error processing Javascript", e);
throw new InvalidVariableException();
} catch (JavaScriptException e) {
log.error("Error processing Javascript", e);
throw new InvalidVariableException();
} finally {
Context.exit();
}
return resultStr;
}
/*
* (non-Javadoc)
*
* @see org.apache.jmeter.functions.Function#setParameters(Collection)
*/
public synchronized void setParameters(Collection parameters) throws InvalidVariableException {
checkParameterCount(parameters, 1, 2);
values = parameters.toArray();
}
/*
* (non-Javadoc)
*
* @see org.apache.jmeter.functions.Function#getReferenceKey()
*/
public String getReferenceKey() {
return KEY;
}
/*
* (non-Javadoc)
*
* @see org.apache.jmeter.functions.Function#getArgumentDesc()
*/
public List getArgumentDesc() {
return desc;
}
}