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javax.ide.extension.spi
Class JARExtensionSource  

java.lang.Object
  javax.ide.extension.spi.JARExtensionSource

All Implemented Interfaces:

ExtensionSource

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public class JARExtensionSource

extends java.lang.Object

implements ExtensionSource

A default implementation of ExtensionSource which loads an extension manifest from the META-INF/extension.xml entry of a JAR file.

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Field Summary
private  java.net.URI	_jarURI
private  java.net.URI	_manifestURI
private static java.lang.String	MANIFEST_ALT_ENTRY
private static java.lang.String	MANIFEST_ENTRY

 

Constructor Summary

JARExtensionSource(java.net.URI jarURI)

 

Method Summary
java.net.URI	getClasspathEntry()           Get the classpath entry for this extension source.
java.io.InputStream	getInputStream()           Get an input stream for this sources manifest.
java.net.URI	getManifestURI()           Get the URI of the manifest file within the extension source.
java.lang.String	getName()           Get the name of this source.
java.net.URI	getURI()           Get the URI of this JAR file.
java.net.URI	resolvePath(javax.ide.extension.Extension extension, java.lang.String path)           Resolve a relative path from the manifest file.

 

Methods inherited from class java.lang.Object

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

 

Field Detail

MANIFEST_ENTRY

private static final java.lang.String MANIFEST_ENTRY

See Also:

Constant Field Values

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MANIFEST_ALT_ENTRY

private static final java.lang.String MANIFEST_ALT_ENTRY

See Also:

Constant Field Values

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_jarURI

private final java.net.URI _jarURI

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_manifestURI

private java.net.URI _manifestURI

Constructor Detail

JARExtensionSource

public JARExtensionSource(java.net.URI jarURI)

Method Detail

getURI

public final java.net.URI getURI()

Get the URI of this JAR file.

Specified by:

getURI in interface ExtensionSource

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getClasspathEntry

public final java.net.URI getClasspathEntry()

Description copied from interface: ExtensionSource

Get the classpath entry for this extension source. This is the (optional) entry that should be added to the classpath prior to processing this extension.

Specified by:

getClasspathEntry in interface ExtensionSource

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getManifestURI

public java.net.URI getManifestURI()

Get the URI of the manifest file within the extension source.

Specified by:

getManifestURI in interface ExtensionSource

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resolvePath

public java.net.URI resolvePath(javax.ide.extension.Extension extension,
                                java.lang.String path)

Resolve a relative path from the manifest file. For JAR sources, the path may either be within the JAR (if the path starts with a /), or relative to the location of the jar file otherwise.

Specified by:

resolvePath in interface ExtensionSource

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getName

public java.lang.String getName()

Get the name of this source. This will be used to present the source in human readable messages.

This implementation returns the result of calling VirtualFileSytem.toDisplayString() on the jar URI.

Specified by:

getName in interface ExtensionSource

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getInputStream

public java.io.InputStream getInputStream()
                                   throws java.io.IOException

Description copied from interface: ExtensionSource

Get an input stream for this sources manifest.

Specified by:

getInputStream in interface ExtensionSource

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