| /* |
| * 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.util.JMeterUtils; |
| import org.apache.jorphan.logging.LoggingManager; |
| import org.apache.log.Logger; |
| |
| /** |
| * The function represented by this class allows data to be read from CSV files. |
| * Syntax is similar to StringFromFile function. The function allows the test to |
| * line-thru the data in the CSV file - one line per each test. E.g. inserting |
| * the following in the test scripts : |
| * |
| * ${_CSVRead(c:/BOF/abcd.csv,0)} // read (first) line of 'c:/BOF/abcd.csv' , |
| * return the 1st column ( represented by the '0'), |
| * ${_CSVRead(c:/BOF/abcd.csv,1)} // read (first) line of 'c:/BOF/abcd.csv' , |
| * return the 2nd column ( represented by the '1'), |
| * ${_CSVRead(c:/BOF/abcd.csv,next())} // Go to next line of 'c:/BOF/abcd.csv' |
| * |
| * NOTE: A single instance of each different file is opened and used for all |
| * threads. |
| * |
| * To open the same file twice, use the alias function: __CSVRead(abc.csv,*ONE); |
| * __CSVRead(abc.csv,*TWO); |
| * |
| * __CSVRead(*ONE,1); etc |
| * @since 1.9 |
| */ |
| public class CSVRead extends AbstractFunction { |
| private static final Logger log = LoggingManager.getLoggerForClass(); |
| |
| private static final String KEY = "__CSVRead"; // Function name //$NON-NLS-1$ |
| |
| private static final List<String> desc = new LinkedList<>(); |
| |
| private Object[] values; // Parameter list |
| |
| static { |
| desc.add(JMeterUtils.getResString("csvread_file_file_name")); //$NON-NLS-1$ |
| desc.add(JMeterUtils.getResString("column_number")); //$NON-NLS-1$ |
| } |
| |
| public CSVRead() { |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String execute(SampleResult previousResult, Sampler currentSampler) |
| throws InvalidVariableException { |
| String myValue = ""; //$NON-NLS-1$ |
| |
| String fileName = ((org.apache.jmeter.engine.util.CompoundVariable) values[0]).execute(); |
| String columnOrNext = ((org.apache.jmeter.engine.util.CompoundVariable) values[1]).execute(); |
| |
| if (log.isDebugEnabled()) { |
| log.debug("execute (" + fileName + " , " + columnOrNext + ") "); |
| } |
| |
| // Process __CSVRead(filename,*ALIAS) |
| if (columnOrNext.startsWith("*")) { //$NON-NLS-1$ |
| FileWrapper.open(fileName, columnOrNext); |
| /* |
| * All done, so return |
| */ |
| return ""; //$NON-NLS-1$ |
| } |
| |
| // if argument is 'next' - go to the next line |
| if (columnOrNext.equals("next()") || columnOrNext.equals("next")) { //$NON-NLS-1$ //$NON-NLS-2$ |
| FileWrapper.endRow(fileName); |
| |
| /* |
| * All done now ,so return the empty string - this allows the caller |
| * to append __CSVRead(file,next) to the last instance of |
| * __CSVRead(file,col) |
| * |
| * N.B. It is important not to read any further lines at this point, |
| * otherwise the wrong line can be retrieved when using multiple |
| * threads. |
| */ |
| return ""; //$NON-NLS-1$ |
| } |
| |
| try { |
| int columnIndex = Integer.parseInt(columnOrNext); // what column |
| // is wanted? |
| myValue = FileWrapper.getColumn(fileName, columnIndex); |
| } catch (NumberFormatException e) { |
| log.warn(Thread.currentThread().getName() + " - can't parse column number: " + columnOrNext + " " |
| + e.toString()); |
| } catch (IndexOutOfBoundsException e) { |
| log.warn(Thread.currentThread().getName() + " - invalid column number: " + columnOrNext + " at row " |
| + FileWrapper.getCurrentRow(fileName) + " " + e.toString()); |
| } |
| |
| if (log.isDebugEnabled()) { |
| log.debug("execute value: " + myValue); |
| } |
| |
| return myValue; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public List<String> getArgumentDesc() { |
| return desc; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public String getReferenceKey() { |
| return KEY; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void setParameters(Collection<CompoundVariable> parameters) throws InvalidVariableException { |
| log.debug("setParameter - Collection.size=" + parameters.size()); |
| |
| values = parameters.toArray(); |
| |
| if (log.isDebugEnabled()) { |
| for (int i = 0; i < parameters.size(); i++) { |
| log.debug("i:" + ((CompoundVariable) values[i]).execute()); |
| } |
| } |
| |
| checkParameterCount(parameters, 2); |
| |
| /* |
| * Need to reset the containers for repeated runs; about the only way |
| * for functions to detect that a run is starting seems to be the |
| * setParameters() call. |
| */ |
| FileWrapper.clearAll();// TODO only clear the relevant entry - if possible... |
| |
| } |
| } |