| /* |
| * 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.io.File; |
| import java.io.IOException; |
| import java.util.Collection; |
| import java.util.LinkedList; |
| import java.util.List; |
| |
| import org.apache.commons.io.FileUtils; |
| import org.apache.jmeter.engine.util.CompoundVariable; |
| import org.apache.jmeter.samplers.SampleResult; |
| import org.apache.jmeter.samplers.Sampler; |
| import org.apache.jmeter.threads.JMeterVariables; |
| import org.apache.jmeter.util.JMeterUtils; |
| import org.apache.jorphan.logging.LoggingManager; |
| import org.apache.jorphan.util.JMeterStopThreadException; |
| import org.apache.log.Logger; |
| |
| /** |
| * FileToString Function to read a complete file into a String. |
| * |
| * Parameters: |
| * - file name |
| * - file encoding (optional) |
| * - variable name (optional) |
| * |
| * Returns: |
| * - the whole text from a file |
| * - or **ERR** if an error occurs |
| * - value is also optionally saved in the variable for later re-use. |
| * @since 2.4 |
| */ |
| public class FileToString extends AbstractFunction { |
| private static final Logger log = LoggingManager.getLoggerForClass(); |
| |
| private static final List<String> desc = new LinkedList<>(); |
| |
| private static final String KEY = "__FileToString";//$NON-NLS-1$ |
| |
| static final String ERR_IND = "**ERR**";//$NON-NLS-1$ |
| |
| static { |
| desc.add(JMeterUtils.getResString("string_from_file_file_name"));//$NON-NLS-1$ |
| desc.add(JMeterUtils.getResString("string_from_file_encoding"));//$NON-NLS-1$ |
| desc.add(JMeterUtils.getResString("function_name_paropt"));//$NON-NLS-1$ |
| } |
| |
| private static final int MIN_PARAM_COUNT = 1; |
| |
| private static final int MAX_PARAM_COUNT = 3; |
| |
| private static final int ENCODING = 2; |
| |
| private static final int PARAM_NAME = 3; |
| |
| private Object[] values; |
| |
| public FileToString() { |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String execute(SampleResult previousResult, Sampler currentSampler) |
| throws InvalidVariableException { |
| |
| String fileName = ((CompoundVariable) values[0]).execute(); |
| |
| String encoding = null;//means platform default |
| if (values.length >= ENCODING) { |
| encoding = ((CompoundVariable) values[ENCODING - 1]).execute().trim(); |
| if (encoding.length() <= 0) { // empty encoding, return to platorm default |
| encoding = null; |
| } |
| } |
| |
| String myName = "";//$NON-NLS-1$ |
| if (values.length >= PARAM_NAME) { |
| myName = ((CompoundVariable) values[PARAM_NAME - 1]).execute().trim(); |
| } |
| |
| String myValue = ERR_IND; |
| |
| try { |
| myValue = FileUtils.readFileToString(new File(fileName), encoding); |
| } catch (IOException e) { |
| log.warn("Could not read file: "+fileName+" "+e.getMessage(), e); |
| throw new JMeterStopThreadException("End of sequence", e); |
| } |
| |
| if (myName.length() > 0) { |
| JMeterVariables vars = getVariables(); |
| if (vars != null) {// Can be null if called from Config item testEnded() method |
| vars.put(myName, myValue); |
| } |
| } |
| |
| if (log.isDebugEnabled()) { |
| String tn = Thread.currentThread().getName(); |
| log.debug(tn + " name:" //$NON-NLS-1$ |
| + myName + " value:" + myValue);//$NON-NLS-1$ |
| } |
| |
| return myValue; |
| } |
| |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void setParameters(Collection<CompoundVariable> parameters) throws InvalidVariableException { |
| checkParameterCount(parameters, MIN_PARAM_COUNT, MAX_PARAM_COUNT); |
| values = parameters.toArray(); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String getReferenceKey() { |
| return KEY; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public List<String> getArgumentDesc() { |
| return desc; |
| } |
| } |