Class JNLPFileFactory

java.lang.Object

net.sourceforge.jnlp.JNLPFileFactory

public class JNLPFileFactory
extends Object

Field Summary

Fields

Modifier and Type	Field	Description
private Random	random

Constructor Summary

Constructors

Constructor	Description
JNLPFileFactory()

Method Summary

Modifier and Type	Method	Description
JNLPFile	create(URL location)	Create a JNLPFile from a URL.
JNLPFile	create(URL location, String uniqueKey, VersionString version, ParserSettings settings, UpdatePolicy policy)	Create a JNLPFile from a URL, parent URLm a version and checking for updates using the specified policy.
JNLPFile	create(URL location, VersionString version)	Create a JNLPFile from a URL and version and checking for updates using the default policy.
JNLPFile	create(URL location, ParserSettings settings)	Create a JNLPFile from a URL checking for updates using the default policy.
private String	createUniqueKey(URL location)	Generate unique key from file URL
private InputStream	openURL(URL location, VersionString version, UpdatePolicy policy)	Open the jnlp file URL from the cache if there, otherwise download to the cache.

Methods inherited from class Object

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

Field Details

random

private Random random

Constructor Details

JNLPFileFactory

public JNLPFileFactory()

Method Details

create

public JNLPFile create(URL location)
                throws IOException,
ParseException

Create a JNLPFile from a URL.

Parameters:

location - the location of the JNLP file

Throws:

IOException - if an IO exception occurred

ParseException - if the JNLP file was invalid

createUniqueKey

private String createUniqueKey(URL location)

Generate unique key from file URL

Parameters:

location -

create

public JNLPFile create(URL location,
 VersionString version)
                throws IOException,
ParseException

Create a JNLPFile from a URL and version and checking for updates using the default policy.

Parameters:

location - the location of the JNLP file

version - the version of the JNLP file

Throws:

IOException - if an IO exception occurred

ParseException - if the JNLP file was invalid

create

public JNLPFile create(URL location,
 ParserSettings settings)
                throws IOException,
ParseException

Create a JNLPFile from a URL checking for updates using the default policy.

Parameters:

location - the location of the JNLP file

settings - the parser settings to use while parsing the file

Throws:

IOException - if an IO exception occurred

ParseException - if the JNLP file was invalid

create

public JNLPFile create(URL location,
 String uniqueKey,
 VersionString version,
 ParserSettings settings,
 UpdatePolicy policy)
                throws IOException,
ParseException

Create a JNLPFile from a URL, parent URLm a version and checking for updates using the specified policy.

Parameters:

location - the location of the JNLP file

uniqueKey - A string that uniquely identifies connected instances

version - the version of the JNLP file

settings - the parser settings to use while parsing the file

policy - the update policy

Throws:

IOException - if an IO exception occurred

ParseException - if the JNLP file was invalid

openURL

private InputStream openURL(URL location,
 VersionString version,
 UpdatePolicy policy)
                     throws IOException

Open the jnlp file URL from the cache if there, otherwise download to the cache. Unless file is up-to-date in cache, this method blocks until it is downloaded.

Parameters:

location - of resource to open

version - of resource

policy - update policy of resource

Returns:

opened stream from given url

Throws:

IOException - if something goes wrong