org.apache.tools.ant.filters.util
Class ChainReaderHelper

java.lang.Object
  org.apache.tools.ant.filters.util.ChainReaderHelper

public final class ChainReaderHelper
extends java.lang.Object

Process a FilterReader chain.

Field Summary

int	bufferSize The size of the buffer to be used.
java.util.Vector	filterChains Chain of filters
java.io.Reader	primaryReader The primary reader to which the reader chain is to be attached.

Constructor Summary

ChainReaderHelper()

Method Summary

java.io.Reader	getAssembledReader() Assemble the reader
Project	getProject() Get the project
java.lang.String	readFully(java.io.Reader rdr) Read data from the reader and return the contents as a string.
void	setBufferSize(int size) Sets the buffer size to be used.
void	setFilterChains(java.util.Vector fchain) Sets the collection of filter reader sets
void	setPrimaryReader(java.io.Reader rdr) Sets the primary reader
void	setProject(Project project) Set the project to work with

Methods inherited from class java.lang.Object

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

Field Detail

primaryReader

public java.io.Reader primaryReader

The primary reader to which the reader chain is to be attached.

bufferSize

public int bufferSize

The size of the buffer to be used.

filterChains

public java.util.Vector filterChains

Chain of filters

Constructor Detail

ChainReaderHelper

public ChainReaderHelper()

Method Detail

setPrimaryReader

public void setPrimaryReader(java.io.Reader rdr)

Sets the primary reader

Parameters:

rdr - the reader object

setProject

public void setProject(Project project)

Set the project to work with

Parameters:

project - the current project

getProject

public Project getProject()

Get the project

Returns:

the current project

setBufferSize

public void setBufferSize(int size)

Sets the buffer size to be used. Defaults to 8192, if this method is not invoked.

Parameters:

size - the buffer size to use

setFilterChains

public void setFilterChains(java.util.Vector fchain)

Sets the collection of filter reader sets

Parameters:

fchain - the filter chains collection

getAssembledReader

public java.io.Reader getAssembledReader()
                                  throws BuildException

Assemble the reader

Returns:

the assembled reader

Throws:

BuildException - if an error occurs

readFully

public java.lang.String readFully(java.io.Reader rdr)
                           throws java.io.IOException

Read data from the reader and return the contents as a string.

Parameters:

rdr - the reader object

Returns:

the contents of the file as a string

Throws:

java.io.IOException - if an error occurs