Class ExtensionDesc

java.lang.Object

net.adoptopenjdk.icedteaweb.jnlp.element.resource.ExtensionDesc

public class ExtensionDesc
extends Object

The extension element.

Version:

$Revision: 1.8 $

Field Summary

Fields

Modifier and Type	Field	Description
static final String	DOWNLOAD_ATTRIBUTE
private final List<String>	eagerExtParts	eager ext parts
static final String	EXT_DOWNLOAD_ELEMENT
static final String	EXT_PART_ATTRIBUTE
private final Map<String,String>	extToPart	map from ext-part to local part
private JNLPFile	file	the JNLPFile the extension refers to
static final String	HREF_ATTRIBUTE
private final URL	location	the location of the extension JNLP file
private static final Logger	LOG
private final String	name	the extension name
static final String	NAME_ATTRIBUTE
static final String	PART_ATTRIBUTE
private final VersionString	version	The required version.
static final String	VERSION_ATTRIBUTE

Constructor Summary

Constructors

Constructor	Description
ExtensionDesc(String name, VersionString version, URL location)	Create an extension descriptor.

Method Summary

Modifier and Type	Method	Description
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.
JNLPFile	getJNLPFile()
URL	getLocation()
String	getName()
VersionString	getVersion()
void	resolve()	Resolves the extension by creating a JNLPFile from the file specified by the extension's location property.

Methods inherited from class Object

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

Field Details

LOG

private static final Logger LOG

EXT_DOWNLOAD_ELEMENT

public static final String EXT_DOWNLOAD_ELEMENT

See Also:

• Constant Field Values

HREF_ATTRIBUTE

public static final String HREF_ATTRIBUTE

See Also:

• Constant Field Values

DOWNLOAD_ATTRIBUTE

public static final String DOWNLOAD_ATTRIBUTE

See Also:

• Constant Field Values

EXT_PART_ATTRIBUTE

public static final String EXT_PART_ATTRIBUTE

See Also:

• Constant Field Values

NAME_ATTRIBUTE

public static final String NAME_ATTRIBUTE

See Also:

• Constant Field Values

VERSION_ATTRIBUTE

public static final String VERSION_ATTRIBUTE

See Also:

• Constant Field Values

PART_ATTRIBUTE

public static final String PART_ATTRIBUTE

See Also:

• Constant Field Values

name

private final String name

the extension name

version

private final VersionString version

The required version. The version attribute can specify an exact version or a list of versions (version string). See JSR-56, section 6.4 for details.

location

private final URL location

the location of the extension JNLP file

extToPart

private final Map<String,String> extToPart

map from ext-part to local part

eagerExtParts

private final List<String> eagerExtParts

eager ext parts

file

private JNLPFile file

the JNLPFile the extension refers to

Constructor Details

ExtensionDesc

public ExtensionDesc(String name,
 VersionString version,
 URL location)

Create an extension descriptor.

Parameters:

name - the extension name

version - the required version of the JNLP file extension

location - the location of the JNLP file extension

Method Details

addPart

public 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

getName

public String getName()

Returns:

the name of the extension.

getVersion

public VersionString getVersion()

Returns:

the required version of the extension JNLP file.

getLocation

public URL getLocation()

Returns:

the location 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:

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.