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DemuxOutputStream (Apache Ant API)

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org.apache.tools.ant
Class DemuxOutputStream


java.lang.Object

  |

  +--java.io.OutputStream

        |

        +--org.apache.tools.ant.DemuxOutputStream

public class DemuxOutputStream
extends java.io.OutputStream

Logs content written by a thread and forwards the buffers onto the project object which will forward the content to the appropriate task.

Since:: 1.4
Author:: Conor MacNeill

Constructor Summary

DemuxOutputStream(Project project, boolean isErrorStream)
          Creates a new instance of this class.

Method Summary

void close()
          Equivalent to flushing the stream.

void flush()
          Writes all remaining data in the buffer associated with the current thread to the project.

protected void processBuffer(java.io.ByteArrayOutputStream buffer)
          Converts the buffer to a string and sends it to the project.

void write(int cc)
          Writes the data to the buffer and flushes the buffer if a line separator is detected or if the buffer has reached its maximum size.

Methods inherited from class java.io.OutputStream

write, write

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DemuxOutputStream


public DemuxOutputStream(Project project,
                         boolean isErrorStream)

Creates a new instance of this class.
Parameters:: project - The project instance for which output is being demultiplexed. Must not be null.; isErrorStream - true if this is the error string, otherwise a normal output stream. This is passed to the project so it knows which stream it is receiving.

Method Detail

write


public void write(int cc)
           throws java.io.IOException

Writes the data to the buffer and flushes the buffer if a line separator is detected or if the buffer has reached its maximum size.

Specified by:: write in class java.io.OutputStream

Parameters:: cc - data to log (byte).
Throws:: java.io.IOException - if the data cannot be written to the stream

processBuffer


protected void processBuffer(java.io.ByteArrayOutputStream buffer)

Converts the buffer to a string and sends it to the project.

Parameters:: buffer - the ByteArrayOutputStream used to collect the output until a line separator is seen.
See Also:: Project.demuxOutput(String,boolean)

close


public void close()
           throws java.io.IOException

Equivalent to flushing the stream.

Overrides:: close in class java.io.OutputStream

Throws:: java.io.IOException - if there is a problem closing the stream.
See Also:: flush()

flush


public void flush()
           throws java.io.IOException

Writes all remaining data in the buffer associated with the current thread to the project.

Overrides:: flush in class java.io.OutputStream

Throws:: java.io.IOException - if there is a problem flushing the stream.