/*

  * Copyright 1999,2004 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.commons.feedparser.impl;

 import java.io.ByteArrayOutputStream;

 import java.io.OutputStream;

 import java.io.PrintStream;

 /**

  * Code which can run a parse but capture the output to a string to verify

  * certain methods were called via greping the output.  This is ONLY for unit

  * tests.

  * 

  * When done you can just call toString() to get the output of all the events

  * and then grep across it.

  * 

  * @author <a href="mailto:burton@apache.org">Kevin A. Burton (burtonator)</a>

  * @version $Id: CaptureOutputFeedParserListener.java 373622 2006-01-30 22:53:00Z mvdb $

  */

 public class CaptureOutputFeedParserListener

     extends DebugFeedParserListener {

     public CaptureOutputFeedParserListener() {

         super( new CapturePrintStream() );

     }

     public String toString() {

         CapturePrintStream cps = (CapturePrintStream)out;

         ByteArrayOutputStream bos = (ByteArrayOutputStream)cps.getOutputStream();

         return bos.toString();

     }

 }

 class CapturePrintStream extends PrintStream {

     public CapturePrintStream() {

         super( new ByteArrayOutputStream() );

     }

     public OutputStream getOutputStream() {

         return out;

     }

 }