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wal
Class CacheServiceImpl  

java.lang.Object
  wal.CacheServiceImpl

All Implemented Interfaces:

CacheService, FileStateListener

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public class CacheServiceImpl

extends java.lang.Object

implements CacheService

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Nested Class Summary
(package private)  class	CacheServiceImpl.CacheClassLoader           ClassLoader which looks up class and resource files from cache directory.

 

Field Summary
private  java.lang.String	cachedir           cache directory
private  wal.net.ResourceUpdater	cru
private  java.io.File[]	files           holds any files from cache directory

 

Fields inherited from interface wal.CacheService

CACHE

 

Fields inherited from interface wal.FileStateListener

DEATH, FINISHED, NEW, STARTED

 

Constructor Summary

CacheServiceImpl()           CacheServiceImpl use as cache dir user.dir/cache.

 

Method Summary
void	addResourceUpdater(wal.net.ResourceUpdater ru)           Installs an ResourceUpdater which is responsible to keep cache directory up to date.
private  java.lang.String	extractFilename(java.lang.String url)           Returns file name based on parameter url
private  java.lang.String	extractFilename(java.net.URL url)           Returns file name based on parameter url
FileHandle	getFileHandle(java.net.URL url)           Take a FileHandle if you want cache a new resource.
private  java.util.Iterator	getJarFilesIterator()           Returns a JarFile Iterator from Jar files found along cache directory.
private  void	initCache()           Inspects the cache directory and collect all files.
private  void	initJNLP()           Parse JNLP file and stores it results into JNLPStore
boolean	isResourceCached(java.net.URL url, java.lang.String version)
void	removeResource(java.net.URL url, java.lang.String str)
void	runClass(java.lang.String name, java.lang.String[] args)           Invokes main class which is looked up from a jar file within cache directory.
void	stateChanged(byte state, java.lang.String url)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

cru

private wal.net.ResourceUpdater cru

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cachedir

private java.lang.String cachedir

cache directory

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files

private java.io.File[] files

holds any files from cache directory

Constructor Detail

CacheServiceImpl

public CacheServiceImpl()
                 throws WALException

CacheServiceImpl use as cache dir user.dir/cache.

Method Detail

addResourceUpdater

public void addResourceUpdater(wal.net.ResourceUpdater ru)

Description copied from interface: CacheService

Installs an ResourceUpdater which is responsible to keep cache directory up to date.

Specified by:

addResourceUpdater in interface CacheService

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runClass

public void runClass(java.lang.String name,
                     java.lang.String[] args)

Description copied from interface: CacheService

Invokes main class which is looked up from a jar file within cache directory.

Specified by:

runClass in interface CacheService

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isResourceCached

public boolean isResourceCached(java.net.URL url,
                                java.lang.String version)

Specified by:

isResourceCached in interface CacheService

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removeResource

public void removeResource(java.net.URL url,
                           java.lang.String str)
                    throws java.io.IOException

Specified by:

removeResource in interface CacheService

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stateChanged

public void stateChanged(byte state,
                         java.lang.String url)

Specified by:

stateChanged in interface CacheService

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getFileHandle

public FileHandle getFileHandle(java.net.URL url)
                         throws java.io.IOException

Description copied from interface: CacheService

Take a FileHandle if you want cache a new resource. It should be the only way for adding new resources to cache directory.

Specified by:

getFileHandle in interface CacheService

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initCache

private void initCache()

Inspects the cache directory and collect all files.

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initJNLP

private void initJNLP()
               throws WALException

Parse JNLP file and stores it results into JNLPStore

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extractFilename

private java.lang.String extractFilename(java.net.URL url)

Returns file name based on parameter url

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extractFilename

private java.lang.String extractFilename(java.lang.String url)

Returns file name based on parameter url

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getJarFilesIterator

private java.util.Iterator getJarFilesIterator()

Returns a JarFile Iterator from Jar files found along cache directory.

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Overview  Package   Class  Use  Deprecated  Index
Home >> All >> [ wal overview ]	PREV CLASS  NEXT CLASS
SUMMARY:  JAVADOC |  SOURCE |  DOWNLOAD | NESTED | FIELD | CONSTR | METHOD	DETAIL: FIELD | CONSTR | METHOD

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