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

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

description, location, target, taskName, taskType, wrapper

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

project

Constructor Summary

Patch()

Method Summary

void	execute() execute patch
void	setBackups(boolean backups) flag to create backups; optional, default=false
void	setDestfile(java.io.File file) The name of a file to send the output to, instead of patching the file(s) in place; optional.
void	setDir(java.io.File directory) The directory to run the patch command in, defaults to the project's base directory.
void	setIgnorewhitespace(boolean ignore) flag to ignore whitespace differences; default=false
void	setOriginalfile(java.io.File file) The file to patch; optional if it can be inferred from the diff file
void	setPatchfile(java.io.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

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

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

getProject, setProject

Methods inherited from class java.lang.Object

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

Constructor Detail

Patch

public Patch()

Method Detail

setOriginalfile

public void setOriginalfile(java.io.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(java.io.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(java.io.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(java.io.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

execute

public void execute()
             throws BuildException

execute patch

Overrides:

execute in class Task

Throws:

BuildException - when it all goes a bit pear shaped