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/*
* 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.config;
import java.beans.BeanInfo;
import java.beans.IntrospectionException;
import java.beans.Introspector;
import java.io.IOException;
import java.util.ResourceBundle;
import org.apache.commons.lang3.StringUtils;
import org.apache.jmeter.engine.event.LoopIterationEvent;
import org.apache.jmeter.engine.event.LoopIterationListener;
import org.apache.jmeter.engine.util.NoConfigMerge;
import org.apache.jmeter.gui.GUIMenuSortOrder;
import org.apache.jmeter.gui.TestElementMetadata;
import org.apache.jmeter.save.CSVSaveService;
import org.apache.jmeter.services.FileServer;
import org.apache.jmeter.testbeans.TestBean;
import org.apache.jmeter.testbeans.gui.GenericTestBeanCustomizer;
import org.apache.jmeter.testelement.property.JMeterProperty;
import org.apache.jmeter.testelement.property.StringProperty;
import org.apache.jmeter.threads.JMeterContext;
import org.apache.jmeter.threads.JMeterVariables;
import org.apache.jmeter.util.JMeterUtils;
import org.apache.jorphan.util.JMeterStopThreadException;
import org.apache.jorphan.util.JOrphanUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* Read lines from a file and split int variables.
*
* The iterationStart() method is used to set up each set of values.
*
* By default, the same file is shared between all threads
* (and other thread groups, if they use the same file name).
*
* The shareMode can be set to:
*
*
All threads - default, as described above
*
Current thread group
*
Current thread
*
Identifier - all threads sharing the same identifier
*
*
* The class uses the FileServer alias mechanism to provide the different share modes.
* For all threads, the file alias is set to the file name.
* Otherwise, a suffix is appended to the filename to make it unique within the required context.
* For current thread group, the thread group identityHashcode is used;
* for individual threads, the thread hashcode is used as the suffix.
* Or the user can provide their own suffix, in which case the file is shared between all
* threads with the same suffix.
*
*/
@GUIMenuSortOrder(1)
@TestElementMetadata(labelResource = "displayName")
public class CSVDataSet extends ConfigTestElement
implements TestBean, LoopIterationListener, NoConfigMerge {
private static final Logger log = LoggerFactory.getLogger(CSVDataSet.class);
private static final long serialVersionUID = 233L;
private static final String EOFVALUE = // value to return at EOF
JMeterUtils.getPropDefault("csvdataset.eofstring", ""); //$NON-NLS-1$ //$NON-NLS-2$
private transient String filename;
private transient String fileEncoding;
private transient String variableNames;
private transient String delimiter;
private transient boolean quoted;
private transient boolean recycle = true;
private transient boolean stopThread;
private transient String[] vars;
private transient String alias;
private transient String shareMode;
private boolean firstLineIsNames = false;
private boolean ignoreFirstLine = false;
private Object readResolve(){
recycle = true;
return this;
}
/**
* Override the setProperty method in order to convert
* the original String shareMode property.
* This used the locale-dependent display value, so caused
* problems when the language was changed.
* If the "shareMode" value matches a resource value then it is converted
* into the resource key.
* To reduce the need to look up resources, we only attempt to
* convert values with spaces in them, as these are almost certainly
* not variables (and they are definitely not resource keys).
*/
@Override
public void setProperty(JMeterProperty property) {
if (!(property instanceof StringProperty)) {
super.setProperty(property);
return;
}
final String propName = property.getName();
if (!"shareMode".equals(propName)) {
super.setProperty(property);
return;
}
final String propValue = property.getStringValue();
if (propValue.contains(" ")) { // variables are unlikely to contain spaces, so most likely a translation
try {
final BeanInfo beanInfo = Introspector.getBeanInfo(this.getClass());
final ResourceBundle rb = (ResourceBundle) beanInfo.getBeanDescriptor().getValue(GenericTestBeanCustomizer.RESOURCE_BUNDLE);
for (String resKey : CSVDataSetBeanInfo.getShareTags()) {
if (propValue.equals(rb.getString(resKey))) {
if (log.isDebugEnabled()) {
log.debug("Converted {}={} to {} using Locale: {}", propName, propValue, resKey, rb.getLocale());
}
((StringProperty) property).setValue(resKey); // reset the value
super.setProperty(property);
return;
}
}
// This could perhaps be a variable name
log.warn("Could not translate {}={} using Locale: {}", propName, propValue, rb.getLocale());
} catch (IntrospectionException e) {
log.error("Could not find BeanInfo; cannot translate shareMode entries", e);
}
}
super.setProperty(property);
}
@Override
public void iterationStart(LoopIterationEvent iterEvent) {
FileServer server = FileServer.getFileServer();
final JMeterContext context = getThreadContext();
String delim = getDelimiter();
if ("\\t".equals(delim)) { // $NON-NLS-1$
delim = "\t";// Make it easier to enter a Tab // $NON-NLS-1$
} else if (delim.isEmpty()){
log.debug("Empty delimiter, will use ','");
delim=",";
}
if (vars == null) {
initVars(server, context, delim);
}
// TODO: fetch this once as per vars above?
JMeterVariables threadVars = context.getVariables();
String[] lineValues = {};
try {
if (getQuotedData()) {
lineValues = server.getParsedLine(alias, recycle,
firstLineIsNames || ignoreFirstLine, delim.charAt(0));
} else {
String line = server.readLine(alias, recycle,
firstLineIsNames || ignoreFirstLine);
lineValues = JOrphanUtils.split(line, delim, false);
}
for (int a = 0; a < vars.length && a < lineValues.length; a++) {
threadVars.put(vars[a], lineValues[a]);
}
} catch (IOException e) { // treat the same as EOF
log.error(e.toString());
}
if (lineValues.length == 0) {// i.e. EOF
if (getStopThread()) {
throw new JMeterStopThreadException("End of file:"+ getFilename()+" detected for CSV DataSet:"
+getName()+" configured with stopThread:"+ getStopThread()+", recycle:" + getRecycle());
}
for (String var :vars) {
threadVars.put(var, EOFVALUE);
}
}
}
private void initVars(FileServer server, final JMeterContext context, String delim) {
String fileName = getFilename().trim();
setAlias(context, fileName);
final String names = getVariableNames();
if (StringUtils.isEmpty(names)) {
String header = server.reserveFile(fileName, getFileEncoding(), alias, true);
try {
vars = CSVSaveService.csvSplitString(header, delim.charAt(0));
firstLineIsNames = true;
} catch (IOException e) {
throw new IllegalArgumentException("Could not split CSV header line from file:" + fileName,e);
}
} else {
server.reserveFile(fileName, getFileEncoding(), alias, ignoreFirstLine);
vars = JOrphanUtils.split(names, ","); // $NON-NLS-1$
}
trimVarNames(vars);
}
private void setAlias(final JMeterContext context, String alias) {
String mode = getShareMode();
int modeInt = CSVDataSetBeanInfo.getShareModeAsInt(mode);
switch(modeInt){
case CSVDataSetBeanInfo.SHARE_ALL:
this.alias = alias;
break;
case CSVDataSetBeanInfo.SHARE_GROUP:
this.alias = alias + "@" + System.identityHashCode(context.getThreadGroup());
break;
case CSVDataSetBeanInfo.SHARE_THREAD:
this.alias = alias + "@" + System.identityHashCode(context.getThread());
break;
default:
this.alias = alias + "@" + mode; // user-specified key
break;
}
}
/**
* trim content of array varNames
* @param varsNames
*/
private static void trimVarNames(String[] varsNames) {
for (int i = 0; i < varsNames.length; i++) {
varsNames[i] = varsNames[i].trim();
}
}
/**
* @return Returns the filename.
*/
public String getFilename() {
return filename;
}
/**
* @param filename
* The filename to set.
*/
public void setFilename(String filename) {
this.filename = filename;
}
/**
* @return Returns the file encoding.
*/
public String getFileEncoding() {
return fileEncoding;
}
/**
* @param fileEncoding
* The fileEncoding to set.
*/
public void setFileEncoding(String fileEncoding) {
this.fileEncoding = fileEncoding;
}
/**
* @return Returns the variableNames.
*/
public String getVariableNames() {
return variableNames;
}
/**
* @param variableNames
* The variableNames to set.
*/
public void setVariableNames(String variableNames) {
this.variableNames = variableNames;
}
public String getDelimiter() {
return delimiter;
}
public void setDelimiter(String delimiter) {
this.delimiter = delimiter;
}
public boolean getQuotedData() {
return quoted;
}
public void setQuotedData(boolean quoted) {
this.quoted = quoted;
}
public boolean getRecycle() {
return recycle;
}
public void setRecycle(boolean recycle) {
this.recycle = recycle;
}
public boolean getStopThread() {
return stopThread;
}
public void setStopThread(boolean value) {
this.stopThread = value;
}
public String getShareMode() {
return shareMode;
}
public void setShareMode(String value) {
this.shareMode = value;
}
/**
* @return the ignoreFirstLine
*/
public boolean isIgnoreFirstLine() {
return ignoreFirstLine;
}
/**
* @param ignoreFirstLine the ignoreFirstLine to set
*/
public void setIgnoreFirstLine(boolean ignoreFirstLine) {
this.ignoreFirstLine = ignoreFirstLine;
}
}
