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org.apache.tools.ant.taskdefs

Class GUnzip

Implemented Interfaces:
Cloneable
public class GUnzip
extends Unpack
Expands a file that has been compressed with the GZIP algorithm. Normally used to compress non-compressed archives such as TAR files.
Since:
Ant 1.1

Field Summary

Fields inherited from class org.apache.tools.ant.taskdefs.Unpack

dest, source, srcResource

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

Method Summary

protected void
extract()
Implement the gunzipping.
protected String
getDefaultExtension()
Get the default extension.
protected boolean
supportsNonFileResources()
Whether this task can deal with non-file resources.

Methods inherited from class org.apache.tools.ant.taskdefs.Unpack

addConfigured, execute, extract, getDefaultExtension, setDest, setDest, setSrc, setSrc, setSrcResource, supportsNonFileResources

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

bindToOwner, execute, 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, log, log, setDescription, setLocation, setProject

Method Details

extract

protected void extract()
Implement the gunzipping.
Overrides:
extract in interface Unpack

getDefaultExtension

protected String getDefaultExtension()
Get the default extension.
Overrides:
getDefaultExtension in interface Unpack
Returns:
the value ".gz"

supportsNonFileResources

protected boolean supportsNonFileResources()
Whether this task can deal with non-file resources.

This implementation returns true only if this task is <gunzip>. Any subclass of this class that also wants to support non-file resources needs to override this method. We need to do so for backwards compatibility reasons since we can't expect subclasses to support resources.

Overrides:
supportsNonFileResources in interface Unpack
Returns:
true if this task supports non file resources.
Since:
Ant 1.7

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