org.apache.tools.ant.taskdefs

Class Truncate

java.lang.Object

org.apache.tools.ant.ProjectComponent

org.apache.tools.ant.Task

org.apache.tools.ant.taskdefs.Truncate

All Implemented Interfaces:

java.lang.Cloneable

public class Truncate
extends Task

Set the length of one or more files, as the intermittently available truncate Unix utility/function.

Since:

Ant 1.7.1

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 and Description
Truncate()

Method Summary

Modifier and Type	Method and Description
void	add(ResourceCollection rc) Add a nested (filesystem-only) ResourceCollection.
void	execute() Called by the project to let the task do its work.
void	setAdjust(java.lang.Long adjust) Set the amount by which files' lengths should be adjusted.
void	setCreate(boolean create) Set whether to create nonexistent files.
void	setFile(java.io.File f) Set a single target File.
void	setLength(java.lang.Long length) Set the length to which files should be set.
void	setMkdirs(boolean mkdirs) Set whether, when creating nonexistent files, nonexistent directories should also be created.

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 Detail

Truncate

public Truncate()

Method Detail

setFile

public void setFile(java.io.File f)

Set a single target File.

Parameters:

f - the single File

add

public void add(ResourceCollection rc)

Add a nested (filesystem-only) ResourceCollection.

Parameters:

rc - the ResourceCollection to add.

setAdjust

public void setAdjust(java.lang.Long adjust)

Set the amount by which files' lengths should be adjusted. It is permissible to append K / M / G / T / P.

Parameters:

adjust - (positive or negative) adjustment amount.

setLength

public void setLength(java.lang.Long length)

Set the length to which files should be set. It is permissible to append K / M / G / T / P.

Parameters:

length - (positive) adjustment amount.

setCreate

public void setCreate(boolean create)

Set whether to create nonexistent files.

Parameters:

create - boolean, default true.

setMkdirs

public void setMkdirs(boolean mkdirs)

Set whether, when creating nonexistent files, nonexistent directories should also be created.

Parameters:

mkdirs - boolean, default false.

execute

public void execute()

Called by the project to let the task do its work. This method may be called more than once, if the task is invoked more than once. For example, if target1 and target2 both depend on target3, then running "ant target1 target2" will run all tasks in target3 twice..

Overrides:

execute in class Task