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The source code

// $Header: /home/cvs/jakarta-jmeter/src/core/org/apache/jmeter/reporters/ResultSaver.java,v 1.4.2.1 2004/04/26 17:47:33 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.reporters;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.Serializable;

import org.apache.jmeter.samplers.Clearable;
import org.apache.jmeter.samplers.SampleEvent;
import org.apache.jmeter.samplers.SampleListener;
import org.apache.jmeter.samplers.SampleResult;
import org.apache.jmeter.testelement.AbstractTestElement;
import org.apache.jorphan.logging.LoggingManager;
import org.apache.log.Logger;

/**
 * Save Result responseData to a set of files
 * TODO - perhaps save other items such as headers?
 * 
 * This is mainly intended for validation tests
 * 
 * @version $Revision: 1.4.2.1 $ Last updated: $Date: 2004/04/26 17:47:33 $
 */
public class ResultSaver
    extends AbstractTestElement
    implements Serializable,
    SampleListener,
    Clearable
{
	private static final Logger log = LoggingManager.getLoggerForClass();
    
    // File name sequence number 
    private static long sequenceNumber = 0;    
    
	public static final String FILENAME = "FileSaver.filename";

    private static synchronized long nextNumber(){
    	return ++sequenceNumber;
    }
    /*
     * Constructor is initially called once for each occurrence in the test plan
     * For GUI, several more instances are created
     * Then clear is called at start of test
     * Called several times during test startup
     * The name will not necessarily have been set at this point.
     */
	public ResultSaver(){
		super();
		//log.debug(Thread.currentThread().getName());
		//System.out.println(">> "+me+"        "+this.getName()+" "+Thread.currentThread().getName());		
	}

    /*
     * Constructor for use during startup
     * (intended for non-GUI use)
     * @param name of summariser
     */
    public ResultSaver(String name){
    	this();
    	setName(name);
    }
    
    /*
     * This is called once for each occurrence in the test plan, before the start of the test.
     * The super.clear() method clears the name (and all other properties),
     * so it is called last.
     */
	public void clear()
	{
		//System.out.println("-- "+me+this.getName()+" "+Thread.currentThread().getName());
		super.clear();
		sequenceNumber=0; //TODO is this the right thing to do?
	}
	
	/**
	 * Saves the sample result (and any sub results) in files
	 * 
	 * @see org.apache.jmeter.samplers.SampleListener#sampleOccurred(org.apache.jmeter.samplers.SampleEvent)
	 */
	public void sampleOccurred(SampleEvent e) {
		SampleResult s = e.getResult();
		saveSample(s);
		SampleResult []sr = s.getSubResults();
		if (sr != null){
			for (int i = 0; i < sr.length; i++){
				saveSample(sr[i]);
			}

		}
    }

	/**
	 * @param s SampleResult to save
	 */
	private void saveSample(SampleResult s) {
		nextNumber();
		String fileName=makeFileName(s.getContentType());
		log.debug("Saving "+s.getSampleLabel()+" in "+fileName);
		//System.out.println(fileName);
		File out = new File(fileName);
		FileOutputStream pw=null;
		try {
			pw = new FileOutputStream(out);
			pw.write(s.getResponseData());
			pw.close();
		} catch (FileNotFoundException e1) {
			log.error("Error creating sample file for "+s.getSampleLabel(),e1);
		} catch (IOException e1) {
			log.error("Error saving sample "+s.getSampleLabel(),e1);
		}
	}
	/**
	 * @return fileName composed of fixed prefix, a number,
	 * and a suffix derived from the contentType
	 * e.g. Content-Type: text/html;charset=ISO-8859-1
	 */
	private String makeFileName(String contentType) {
		String suffix="unknown";
		if (contentType!=null){
			int i = contentType.indexOf("/");
			if (i != -1){
				int j = contentType.indexOf(";");
				if (j != -1)
				{
					suffix=contentType.substring(i+1,j);					
				} 
				else
				{
					suffix=contentType.substring(i+1);
				}
			}
		}
		return getFilename()+sequenceNumber+"."+suffix;
	}
	/* (non-Javadoc)
	 * @see org.apache.jmeter.samplers.SampleListener#sampleStarted(org.apache.jmeter.samplers.SampleEvent)
	 */
	public void sampleStarted(SampleEvent e) 
	{
		// not used
	}

	/* (non-Javadoc)
	 * @see org.apache.jmeter.samplers.SampleListener#sampleStopped(org.apache.jmeter.samplers.SampleEvent)
	 */
	public void sampleStopped(SampleEvent e)
	{
		// not used
	}
	private String getFilename()
	{
		return getPropertyAsString(FILENAME);
	}
}
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