netx.jnlp

Class ExtensionDesc


public class ExtensionDesc
extends java.lang.Object

The extension element.
Version:
$Revision: 1.8 $
Author:
Jon A. Maxwell (JAM) - initial author

Constructor Summary

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

Method Summary

protected void
addPart(String extPart, String part, boolean lazy)
Adds an extension part to be downloaded when the specified part of the main JNLP file is loaded.
String[]
getExtensionParts(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.
URL
getLocation()
Returns the location of the extension JNLP file.
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.

Constructor Details

ExtensionDesc

public ExtensionDesc(String name,
                     Version version,
                     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 Details

addPart

protected void addPart(String extPart,
                       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 String[] getExtensionParts(String thisPart)
Returns the parts in the extension JNLP file mapped to the part of the main file.

getJNLPFile

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

getLocation

public URL getLocation()
Returns the location of the extension JNLP file.

getName

public String getName()
Returns the name of the extension.

getVersion

public Version getVersion()
Returns the required version of the extension JNLP file.

resolve

public void resolve()
            throws ParseException,
                   IOException
Resolves the extension by creating a JNLPFile from the file specified by the extension's location property.
Throws:
ParseException - if the extension JNLPFile could not be parsed or was not a component or installer descriptor.