netx.jnlp
Class ExtensionDesc

java.lang.Object
  |
  +--netx.jnlp.ExtensionDesc

public class ExtensionDesc

extends java.lang.Object

The extension element.

Version:

$Revision: 1.6 $

Author:

Jon A. Maxwell (JAM) - initial author

Constructor Summary

ExtensionDesc(java.lang.String name, Version version, java.net.URL location)
Create an extention descriptor.

Method Summary

protected void	addPart(java.lang.String extPart, java.lang.String part, boolean lazy) Adds an extension part to be downloaded when the specified part of the main JNLP file is loaded.
java.lang.String[]	getExtensionParts(java.lang.String thisPart) Returns the parts in the extension JNLP file mapped to the part of the main file.
JNLPFile	getJNLPFile() Returns a JNLPFile for the extension, or null if the JNLP file has not been resolved.
java.net.URL	getLocation() Returns the location of the extension JNLP file.
java.lang.String	getName() Returns the name of the extension.
Version	getVersion() Returns the required version of the extension JNLP file.
void	resolve() Resolves the extension by creating a JNLPFile from the file specified by the extension's location property.

Methods inherited from class java.lang.Object

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

Constructor Detail

ExtensionDesc

public ExtensionDesc(java.lang.String name,
                     Version version,
                     java.net.URL location)

Create an extention descriptor.

Parameters:

name - the extension name

version - the required version of the extention JNLPFile

location - the location of the extention JNLP file

Method Detail

addPart

protected void addPart(java.lang.String extPart,
                       java.lang.String part,
                       boolean lazy)

Adds an extension part to be downloaded when the specified part of the main JNLP file is loaded. The extension part will be downloaded before the application is launched if the lazy value is false or the part is empty or null.

Parameters:

extPart - the part name in the extension file

part - the part name in the main file

lazy - whether to load the part before launching

getExtensionParts

public java.lang.String[] getExtensionParts(java.lang.String thisPart)

Returns the parts in the extension JNLP file mapped to the part of the main file.

getName

public java.lang.String getName()

Returns the name of the extension.

getVersion

public Version getVersion()

Returns the required version of the extension JNLP file.

getLocation

public java.net.URL getLocation()

Returns the location of the extension JNLP file.

resolve

public void resolve()
             throws ParseException,
                    java.io.IOException

Resolves the extension by creating a JNLPFile from the file specified by the extension's location property. This method can be called more than once without

Throws:

java.io.IOException - if the extension JNLPFile could not be resolved.

ParseException - if the extension JNLPFile could not be parsed or was not a component or installer descriptor.

getJNLPFile

public JNLPFile getJNLPFile()

Returns a JNLPFile for the extension, or null if the JNLP file has not been resolved.