org.apache.tools.ant.util

Class LeadPipeInputStream

java.lang.Object

java.io.InputStream

java.io.PipedInputStream

org.apache.tools.ant.util.LeadPipeInputStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class LeadPipeInputStream
extends PipedInputStream

Special PipedInputStream that will not die when the writing Thread is no longer alive.

Since:

Ant 1.6.2

Field Summary

Fields inherited from class java.io.PipedInputStream

buffer, in, out, PIPE_SIZE

Constructor Summary

Constructors

Constructor and Description
LeadPipeInputStream() Construct a new LeadPipeInputStream.
LeadPipeInputStream(int size) Construct a new LeadPipeInputStream with the specified buffer size.
LeadPipeInputStream(PipedOutputStream src) Construct a new LeadPipeInputStream to pull from the specified PipedOutputStream.
LeadPipeInputStream(PipedOutputStream src, int size) Construct a new LeadPipeInputStream to pull from the specified PipedOutputStream, using a circular buffer of the specified size.

Method Summary

Modifier and Type	Method and Description
void	log(String message, int loglevel) Log a message with the specified logging level.
int	read() Read a byte from the stream.
void	setBufferSize(int size) Set the size of the buffer.
void	setManagingComponent(ProjectComponent pc) Set a managing ProjectComponent for this LeadPipeInputStream.
void	setManagingTask(Task task) Set a managing Task for this LeadPipeInputStream.

Methods inherited from class java.io.PipedInputStream

available, close, connect, read, receive

Methods inherited from class java.io.InputStream

mark, markSupported, read, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

LeadPipeInputStream

public LeadPipeInputStream()

Construct a new LeadPipeInputStream.

LeadPipeInputStream

public LeadPipeInputStream(int size)

Construct a new LeadPipeInputStream with the specified buffer size.

Parameters:

size - the size of the circular buffer.

LeadPipeInputStream

public LeadPipeInputStream(PipedOutputStream src)
                    throws IOException

Construct a new LeadPipeInputStream to pull from the specified PipedOutputStream.

Parameters:

src - the PipedOutputStream source.

Throws:

IOException - if unable to construct the stream.

LeadPipeInputStream

public LeadPipeInputStream(PipedOutputStream src,
                           int size)
                    throws IOException

Construct a new LeadPipeInputStream to pull from the specified PipedOutputStream, using a circular buffer of the specified size.

Parameters:

src - the PipedOutputStream source.

size - the size of the circular buffer.

Throws:

IOException - if there is an error.

Method Detail

log

public void log(String message,
                int loglevel)

Log a message with the specified logging level.

Parameters:

message - the String message.

loglevel - the int logging level.

read

public int read()
         throws IOException

Read a byte from the stream.

Overrides:

read in class PipedInputStream

Returns:

the byte (0 to 255) or -1 if there are no more.

Throws:

IOException - if there is an error.

setBufferSize

public void setBufferSize(int size)

Set the size of the buffer.

Parameters:

size - the new buffer size. Ignored if <= current size.

setManagingComponent

public void setManagingComponent(ProjectComponent pc)

Set a managing ProjectComponent for this LeadPipeInputStream.

Parameters:

pc - the managing ProjectComponent.

setManagingTask

public void setManagingTask(Task task)

Set a managing Task for this LeadPipeInputStream.

Parameters:

task - the managing Task.