jvanzyl 2002/07/14 13:05:13
Added: src/plugins-build/changelog/src/java/org/apache/maven/util
AsyncStreamReader.java
Log:
o Regrouping files splayed all over the place.
Revision Changes Path
1.1
jakarta-turbine-maven/src/plugins-build/changelog/src/java/org/apache/maven/util/AsyncStreamReader.java
Index: AsyncStreamReader.java
===================================================================
package org.apache.maven.util;
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Apache" and "Apache Software Foundation" and
* "Apache Maven" must not be used to endorse or promote products
* derived from this software without prior written permission. For
* written permission, please contact [EMAIL PROTECTED]
*
* 5. Products derived from this software may not be called "Apache",
* "Apache Maven", nor may "Apache" appear in their name, without
* prior written permission of the Apache Software Foundation.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* ====================================================================
*/
import java.io.BufferedReader;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.IOException;
/**
* A class to asynchronously read the provided InputStream and
* provide the output as a String
*
* @author <a href="mailto:[EMAIL PROTECTED]";>dIon Gillard</a>
* @version $Id: AsyncStreamReader.java,v 1.1 2002/07/14 20:05:13 jvanzyl Exp $
*/
public class AsyncStreamReader extends Thread
{
/** buffer to dump output to */
private StringBuffer streamBuffer = new StringBuffer();
/** stream to read from */
private BufferedReader stream;
/**
* Create a reader to process the provided stream
* @param anInputStream any input stream
*/
public AsyncStreamReader(InputStream anInputStream)
{
if (anInputStream == null)
{
throw new NullPointerException("input stream parameter is null");
}
stream = new BufferedReader(new InputStreamReader(anInputStream));
}
/**
* Read lines from the input stream provided, appending to a buffer
* for retrieval via the toString() method
*/
public void run()
{
String line;
try
{
while ((line = stream.readLine()) != null)
{
if (okToConsume(line))
{
streamBuffer.append(line);
streamBuffer.append('\n');
}
}
}
catch (IOException ioe)
{
ioe.printStackTrace();
}
}
/**
* @return the contents of the buffer
*/
public String toString()
{
return streamBuffer.toString();
}
/**
* Indicate if its ok to consume (add to the buffer) this line. This
* implementation always returns <code>true</code>.
*
* @param line the line to check.
* @return if its ok to add this line to the buffer.
*/
protected boolean okToConsume(String line)
{
return true;
}
} // end of AsyncStreamReader
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