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The source code// $Header: /home/cvs/jakarta-jmeter/src/functions/org/apache/jmeter/functions/Property.java,v 1.6 2004/03/30 18:07:07 sebb Exp $ /* * Copyright 2003-2004 The Apache Software Foundation. * * 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.jmeter.engine.util.CompoundVariable; import org.apache.jmeter.samplers.SampleResult; import org.apache.jmeter.samplers.Sampler; import org.apache.jmeter.util.JMeterUtils; /** * Function to get a JMeter property, and optionally store it * * Parameters: * - property name * - variable name (optional) * - default value (optional) * * * Returns: * - the property value, but if not found * - the default value, but if not define * - the property name itself * * @version $Revision: 1.6 $ Updated: $Date: 2004/03/30 18:07:07 $ */ public class Property extends AbstractFunction implements Serializable { private static final List desc = new LinkedList(); private static final String KEY = "__property"; // Number of parameters expected - used to reject invalid calls private static final int MIN_PARAMETER_COUNT = 1; private static final int MAX_PARAMETER_COUNT = 3; static { desc.add(JMeterUtils.getResString("property_name_param")); desc.add(JMeterUtils.getResString("function_name_param")); desc.add(JMeterUtils.getResString("property_default_param")); } private Object[] values; public Property() { } public Object clone() { return new Property(); } public synchronized String execute( SampleResult previousResult, Sampler currentSampler) throws InvalidVariableException { String propertyName = ((CompoundVariable) values[0]).execute(); String propertyDefault = propertyName; if (values.length > 2){ // We have a 3rd parameter propertyDefault= ((CompoundVariable) values[2]).execute(); } String propertyValue = JMeterUtils.getPropDefault(propertyName, propertyDefault); if (values.length > 1) { String variableName = ((CompoundVariable) values[1]).execute(); if (variableName.length() > 0){// Allow for empty name getVariables().put(variableName, propertyValue); } } return propertyValue; } public void setParameters(Collection parameters) throws InvalidVariableException { values = parameters.toArray(); if ((values.length < MIN_PARAMETER_COUNT) || (values.length > MAX_PARAMETER_COUNT)) { throw new InvalidVariableException( "Parameter Count not between " + MIN_PARAMETER_COUNT + " & " + MAX_PARAMETER_COUNT); } } public String getReferenceKey() { return KEY; } public List getArgumentDesc() { return desc; } } |
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