| /* |
| * 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.BeanShellInterpreter; |
| import org.apache.jmeter.util.JMeterUtils; |
| import org.apache.jorphan.logging.LoggingManager; |
| import org.apache.log.Logger; |
| |
| /** |
| * A function which understands BeanShell |
| * @since 1.X |
| */ |
| public class BeanShell extends AbstractFunction { |
| |
| private static final Logger log = LoggingManager.getLoggerForClass(); |
| |
| private static final List<String> desc = new LinkedList<>(); |
| |
| private static final String KEY = "__BeanShell"; //$NON-NLS-1$ |
| |
| public static final String INIT_FILE = "beanshell.function.init"; //$NON-NLS-1$ |
| |
| static { |
| desc.add(JMeterUtils.getResString("bsh_function_expression"));// $NON-NLS1$ |
| desc.add(JMeterUtils.getResString("function_name_paropt"));// $NON-NLS1$ |
| } |
| |
| private Object[] values; |
| |
| private BeanShellInterpreter bshInterpreter = null; |
| |
| public BeanShell() { |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public synchronized String execute(SampleResult previousResult, Sampler currentSampler) |
| throws InvalidVariableException { |
| |
| if (bshInterpreter == null) // did we find BeanShell? |
| { |
| throw new InvalidVariableException("BeanShell not found"); |
| } |
| |
| JMeterContext jmctx = JMeterContextService.getContext(); |
| JMeterVariables vars = jmctx.getVariables(); |
| |
| String script = ((CompoundVariable) values[0]).execute(); |
| String varName = ""; //$NON-NLS-1$ |
| if (values.length > 1) { |
| varName = ((CompoundVariable) values[1]).execute().trim(); |
| } |
| |
| String resultStr = ""; //$NON-NLS-1$ |
| try { |
| |
| // Pass in some variables |
| if (currentSampler != null) { |
| bshInterpreter.set("Sampler", currentSampler); //$NON-NLS-1$ |
| } |
| |
| if (previousResult != null) { |
| bshInterpreter.set("SampleResult", previousResult); //$NON-NLS-1$ |
| } |
| |
| // Allow access to context and variables directly |
| bshInterpreter.set("ctx", jmctx); //$NON-NLS-1$ |
| bshInterpreter.set("vars", vars); //$NON-NLS-1$ |
| bshInterpreter.set("props", JMeterUtils.getJMeterProperties()); //$NON-NLS-1$ |
| bshInterpreter.set("threadName", Thread.currentThread().getName()); //$NON-NLS-1$ |
| |
| // Execute the script |
| Object bshOut = bshInterpreter.eval(script); |
| if (bshOut != null) { |
| resultStr = bshOut.toString(); |
| } |
| if (vars != null && varName.length() > 0) {// vars will be null on TestPlan |
| vars.put(varName, resultStr); |
| } |
| } catch (Exception ex) // Mainly for bsh.EvalError |
| { |
| log.warn("Error running BSH script", ex); |
| } |
| if(log.isDebugEnabled()) { |
| log.debug("__Beanshell("+script+","+varName+")=" + resultStr); |
| } |
| return resultStr; |
| |
| } |
| |
| /* |
| * Helper method for use by scripts |
| * |
| */ |
| public void log_info(String s) { |
| log.info(s); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public synchronized void setParameters(Collection<CompoundVariable> parameters) throws InvalidVariableException { |
| |
| checkParameterCount(parameters, 1, 2); |
| |
| values = parameters.toArray(); |
| |
| try { |
| bshInterpreter = new BeanShellInterpreter(JMeterUtils.getProperty(INIT_FILE), log); |
| } catch (ClassNotFoundException e) { |
| throw new InvalidVariableException("BeanShell not found", e); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String getReferenceKey() { |
| return KEY; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public List<String> getArgumentDesc() { |
| return desc; |
| } |
| |
| } |