org.eclipse.equinox.internal.p2.discovery.compatibility.util

Class CacheManager

java.lang.Object

org.eclipse.equinox.internal.p2.discovery.compatibility.util.CacheManager

public class CacheManager
extends java.lang.Object

A class to manage discovery cache files. Creating the cache files will place the file in the plugin state location in a cache directory.

Constructor Summary

Constructors

Constructor and Description
CacheManager(Transport transport)

Method Summary

Modifier and Type	Method and Description
java.io.File	createCache(java.net.URI location, IProgressMonitor monitor) Returns a local cache file with the contents of the given remote location, or null if a local cache could not be created.
protected java.io.File	getCacheDirectory() Returns the file corresponding to the data area to be used by the cache manager.
protected void	updateCache(java.io.File cacheFile, java.net.URI remoteFile, long lastModifiedRemote, SubMonitor submonitor)

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheManager

public CacheManager(Transport transport)

Method Detail

createCache

public java.io.File createCache(java.net.URI location,
                                IProgressMonitor monitor)
                         throws java.io.IOException,
                                ProvisionException

Returns a local cache file with the contents of the given remote location, or null if a local cache could not be created.

Parameters:

location - the remote location to be cached

monitor - a progress monitor

Returns:

A File object pointing to the cache file or null

Throws:

java.io.FileNotFoundException - if neither jar nor xml index file exists at given location

AuthenticationFailedException - if jar not available and xml causes authentication fail

java.io.IOException - on general IO errors

ProvisionException - on any error (e.g. user cancellation, unknown host, malformed address, connection refused, etc.)

OperationCanceledException - - if user cancelled

getCacheDirectory

protected java.io.File getCacheDirectory()

Returns the file corresponding to the data area to be used by the cache manager.

updateCache

protected void updateCache(java.io.File cacheFile,
                           java.net.URI remoteFile,
                           long lastModifiedRemote,
                           SubMonitor submonitor)
                    throws java.io.FileNotFoundException,
                           java.io.IOException,
                           ProvisionException

Throws:

java.io.FileNotFoundException

java.io.IOException

ProvisionException