Package org.apache.tools.ant.taskdefs

Class Patch

java.lang.Object

org.apache.tools.ant.ProjectComponent

org.apache.tools.ant.Task

org.apache.tools.ant.taskdefs.Patch

All Implemented Interfaces:

Cloneable

public class Patch
extends Task

Patches a file by applying a 'diff' file to it; requires "patch" to be on the execution path.

Since:

Ant 1.1

Field Summary

Fields inherited from class org.apache.tools.ant.Task

target, taskName, taskType, wrapper

Fields inherited from class org.apache.tools.ant.ProjectComponent

description, location, project

Constructor Summary

Constructors

Constructor	Description
Patch()

Method Summary

Modifier and Type	Method	Description
void	execute()	execute patch
void	setBackups(boolean backups)	flag to create backups; optional, default=false
void	setDestfile(File file)	The name of a file to send the output to, instead of patching the file(s) in place; optional.
void	setDir(File directory)	The directory to run the patch command in, defaults to the project's base directory.
void	setFailOnError(boolean value)	If true, stop the build process if the patch command exits with an error status.
void	setIgnorewhitespace(boolean ignore)	flag to ignore whitespace differences; default=false
void	setOriginalfile(File file)	The file to patch; optional if it can be inferred from the diff file
void	setPatchfile(File file)	The file containing the diff output; required.
void	setQuiet(boolean q)	Work silently unless an error occurs; optional, default=false
void	setReverse(boolean r)	Assume patch was created with old and new files swapped; optional, default=false
void	setStrip(int num)	Strip the smallest prefix containing num leading slashes from filenames.

Methods inherited from class org.apache.tools.ant.Task

bindToOwner, getOwningTarget, getRuntimeConfigurableWrapper, getTaskName, getTaskType, getWrapper, handleErrorFlush, handleErrorOutput, handleFlush, handleInput, handleOutput, init, isInvalid, log, log, log, log, maybeConfigure, perform, reconfigure, setOwningTarget, setRuntimeConfigurableWrapper, setTaskName, setTaskType

Methods inherited from class org.apache.tools.ant.ProjectComponent

clone, getDescription, getLocation, getProject, setDescription, setLocation, setProject

Methods inherited from class java.lang.Object

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

Constructor Details

Patch

public Patch()

Method Details

setOriginalfile

public void setOriginalfile(File file)

The file to patch; optional if it can be inferred from the diff file

Parameters:

file - the file to patch

setDestfile

public void setDestfile(File file)

The name of a file to send the output to, instead of patching the file(s) in place; optional.

Parameters:

file - the file to send the output to

Since:

Ant 1.6

setPatchfile

public void setPatchfile(File file)

The file containing the diff output; required.

Parameters:

file - the file containing the diff output

setBackups

public void setBackups(boolean backups)

flag to create backups; optional, default=false

Parameters:

backups - if true create backups

setIgnorewhitespace

public void setIgnorewhitespace(boolean ignore)

flag to ignore whitespace differences; default=false

Parameters:

ignore - if true ignore whitespace differences

setStrip

public void setStrip(int num)
              throws BuildException

Strip the smallest prefix containing num leading slashes from filenames.

patch's -p option.

Parameters:

num - number of lines to strip

Throws:

BuildException - if num is < 0, or other errors

setQuiet

public void setQuiet(boolean q)

Work silently unless an error occurs; optional, default=false

Parameters:

q - if true suppress set the -s option on the patch command

setReverse

public void setReverse(boolean r)

Assume patch was created with old and new files swapped; optional, default=false

Parameters:

r - if true set the -R option on the patch command

setDir

public void setDir(File directory)

The directory to run the patch command in, defaults to the project's base directory.

Parameters:

directory - the directory to run the patch command in

Since:

Ant 1.5

setFailOnError

public void setFailOnError(boolean value)

If true, stop the build process if the patch command exits with an error status.

Parameters:

value - true if it should halt, otherwise false. The default is false.

Since:

Ant 1.8.0

execute

public void execute()
             throws BuildException

execute patch

Overrides:

execute in class Task

Throws:

BuildException - when it all goes a bit pear shaped