copied.org.eclipse.equinox.internal.p2.repository
Class CacheManager

java.lang.Object
  org.eclipse.equinox.internal.p2.repository.CacheManager
      copied.org.eclipse.equinox.internal.p2.repository.CacheManager

Direct Known Subclasses:

TychoP2RepositoryCacheManager

public class CacheManager
extends org.eclipse.equinox.internal.p2.repository.CacheManager

A class to manage metadata cache files. Creating the cache files will place the file in the AgentData location in a cache directory. Using the bus listeners will allow the manager to listen for repository events. When a repository is removed, it will remove the cache file if one was created for the repository.

Field Summary

static String

SERVICE_NAME Service name for the internal cache manager service.

Constructor Summary

CacheManager(org.eclipse.equinox.p2.core.IAgentLocation agentLocation)

Method Summary

File	createCache(URI repositoryLocation, String prefix, org.eclipse.core.runtime.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 File	getCache(URI repositoryLocation, String prefix) Determines the local file path of the repository's cache file.
protected File	getCacheDirectory() Returns the file corresponding to the data area to be used by the cache manager.
void	setEventBus(org.eclipse.equinox.internal.provisional.p2.core.eventbus.IProvisioningEventBus newBus)
void	unsetEventBus(org.eclipse.equinox.internal.provisional.p2.core.eventbus.IProvisioningEventBus oldBus)
protected void	updateCache(File cacheFile, URI remoteFile, long lastModifiedRemote, org.eclipse.core.runtime.SubMonitor submonitor)

Methods inherited from class java.lang.Object

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

Field Detail

SERVICE_NAME

public static final String SERVICE_NAME

Service name for the internal cache manager service.

Constructor Detail

CacheManager

public CacheManager(org.eclipse.equinox.p2.core.IAgentLocation agentLocation)

Method Detail

createCache

public File createCache(URI repositoryLocation,
                        String prefix,
                        org.eclipse.core.runtime.IProgressMonitor monitor)
                 throws IOException,
                        org.eclipse.equinox.p2.core.ProvisionException

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

Overrides:

createCache in class org.eclipse.equinox.internal.p2.repository.CacheManager

Parameters:

repositoryLocation - The remote location to be cached

prefix - The prefix to use when creating the cache file

monitor - a progress monitor

Returns:

A File object pointing to the cache file or null if the location is not a repository.

Throws:

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

org.eclipse.equinox.internal.p2.repository.AuthenticationFailedException - if jar not available and xml causes authentication fail

IOException - on general IO errors

org.eclipse.equinox.p2.core.ProvisionException - on any error (e.g. user cancellation, unknown host, malformed address, connection refused, etc.)

org.eclipse.core.runtime.OperationCanceledException - - if user canceled

getCache

protected File getCache(URI repositoryLocation,
                        String prefix)

Determines the local file path of the repository's cache file.

Overrides:

getCache in class org.eclipse.equinox.internal.p2.repository.CacheManager

Parameters:

repositoryLocation - The location to compute the cache for

prefix - The prefix to use for this location

Returns:

A File pointing to the cache file or null if the cache file does not exist.

getCacheDirectory

protected File getCacheDirectory()

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

Overrides:

getCacheDirectory in class org.eclipse.equinox.internal.p2.repository.CacheManager

setEventBus

public void setEventBus(org.eclipse.equinox.internal.provisional.p2.core.eventbus.IProvisioningEventBus newBus)

Overrides:

setEventBus in class org.eclipse.equinox.internal.p2.repository.CacheManager

unsetEventBus

public void unsetEventBus(org.eclipse.equinox.internal.provisional.p2.core.eventbus.IProvisioningEventBus oldBus)

Overrides:

unsetEventBus in class org.eclipse.equinox.internal.p2.repository.CacheManager

updateCache

protected void updateCache(File cacheFile,
                           URI remoteFile,
                           long lastModifiedRemote,
                           org.eclipse.core.runtime.SubMonitor submonitor)
                    throws FileNotFoundException,
                           IOException,
                           org.eclipse.equinox.p2.core.ProvisionException

Overrides:

updateCache in class org.eclipse.equinox.internal.p2.repository.CacheManager

Throws:

FileNotFoundException

IOException

org.eclipse.equinox.p2.core.ProvisionException