org.openrdf.repository.manager

Class RemoteRepositoryManager

java.lang.Object

org.openrdf.repository.manager.RepositoryManager

org.openrdf.repository.manager.RemoteRepositoryManager

All Implemented Interfaces:

HttpClientDependent, RepositoryResolver

public class RemoteRepositoryManager
extends RepositoryManager

A manager for Repositorys that reside on a remote server. This repository manager allows one to access repositories over HTTP similar to how local repositories are accessed using the LocalRepositoryManager.

Author:

Arjohn Kampman

Field Summary

Fields inherited from class org.openrdf.repository.manager.RepositoryManager

initializedRepositories, logger

Constructor Summary

Constructors

Constructor and Description
RemoteRepositoryManager(String serverURL) Creates a new RepositoryManager that operates on the specified base directory.

Method Summary

Modifier and Type	Method and Description
protected void	cleanUpRepository(String repositoryID) Clean up a removed repository.
protected Repository	createRepository(String id) Creates and initializes the repository with the specified ID.
protected Repository	createSystemRepository()
Collection<RepositoryInfo>	getAllRepositoryInfos(boolean skipSystemRepo)
org.apache.http.client.HttpClient	getHttpClient() HttpClient that has been assigned or has been used by this object.
static RemoteRepositoryManager	getInstance(String serverURL) Creates an initialized RemoteRepositoryManager with the specified server URL.
static RemoteRepositoryManager	getInstance(String serverURL, String username, String password) Creates an initialized RemoteRepositoryManager with the specified server URL and credentials.
URL	getLocation() Gets the URL of the remote server, e.g.
RepositoryInfo	getRepositoryInfo(String id) Gets the repository that is known by the specified ID from this manager.
String	getServerURL() Gets the URL of the remote server, e.g.
protected SesameClient	getSesameClient()
void	initialize() Initializes the repository manager.
boolean	removeRepository(String repositoryID) Removes the specified repository by deleting its configuration from the manager's system repository if such a configuration is present, and removing any persistent data associated with the repository.
void	setHttpClient(org.apache.http.client.HttpClient httpClient) Should be called before RepositoryManager.initialize().
void	setUsernameAndPassword(String username, String password) Set the username and password for authenication with the remote server.
void	shutDown() Shuts down all initialized repositories, including the SYSTEM repository.

Methods inherited from class org.openrdf.repository.manager.RepositoryManager

addRepositoryConfig, getAllRepositories, getAllRepositoryInfos, getAllUserRepositoryInfos, getInitializedRepositories, getInitializedRepositoryIDs, getNewRepositoryID, getRepository, getRepositoryConfig, getRepositoryIDs, getSystemRepository, hasRepositoryConfig, isInitialized, isSafeToRemove, refresh, removeRepositoryConfig, setInitializedRepositories, updateInitializedRepositories

Methods inherited from class java.lang.Object

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

Constructor Detail

RemoteRepositoryManager

public RemoteRepositoryManager(String serverURL)

Creates a new RepositoryManager that operates on the specified base directory.

Parameters:

serverURL - The URL of the server.

Method Detail

getInstance

public static RemoteRepositoryManager getInstance(String serverURL)
                                           throws RepositoryException

Creates an initialized RemoteRepositoryManager with the specified server URL.

Throws:

RepositoryException

getInstance

public static RemoteRepositoryManager getInstance(String serverURL,
                                                  String username,
                                                  String password)
                                           throws RepositoryException

Creates an initialized RemoteRepositoryManager with the specified server URL and credentials.

Throws:

RepositoryException

getSesameClient

protected SesameClient getSesameClient()

Returns:

Returns the httpClient.

getHttpClient

public org.apache.http.client.HttpClient getHttpClient()

Description copied from interface: HttpClientDependent

HttpClient that has been assigned or has been used by this object. The life cycle might not be or might be tied to this object, depending on whether HttpClient was passed to or created by this object respectively.

Specified by:

getHttpClient in interface HttpClientDependent

Specified by:

getHttpClient in class RepositoryManager

Returns:

Returns the httpClient passed to Repository construction.

setHttpClient

public void setHttpClient(org.apache.http.client.HttpClient httpClient)

Description copied from class: RepositoryManager

Should be called before RepositoryManager.initialize().

Specified by:

setHttpClient in interface HttpClientDependent

Specified by:

setHttpClient in class RepositoryManager

Parameters:

httpClient - The httpClient to use for remote/service calls.

initialize

public void initialize()
                throws RepositoryException

Description copied from class: RepositoryManager

Initializes the repository manager.

Overrides:

initialize in class RepositoryManager

Throws:

RepositoryException - If the manager failed to initialize the SYSTEM repository.

shutDown

public void shutDown()

Description copied from class: RepositoryManager

Shuts down all initialized repositories, including the SYSTEM repository.

Overrides:

shutDown in class RepositoryManager

See Also:

RepositoryManager.refresh()

setUsernameAndPassword

public void setUsernameAndPassword(String username,
                                   String password)

Set the username and password for authenication with the remote server.

Parameters:

username - the username

password - the password

createSystemRepository

protected Repository createSystemRepository()
                                     throws RepositoryException

Specified by:

createSystemRepository in class RepositoryManager

Throws:

RepositoryException

getLocation

public URL getLocation()
                throws MalformedURLException

Gets the URL of the remote server, e.g. "http://localhost:8080/openrdf-sesame/".

Specified by:

getLocation in class RepositoryManager

Throws:

MalformedURLException - If serverURL cannot be parsed

getServerURL

public String getServerURL()

Gets the URL of the remote server, e.g. "http://localhost:8080/openrdf-sesame/".

createRepository

protected Repository createRepository(String id)
                               throws RepositoryConfigException,
                                      RepositoryException

Creates and initializes the repository with the specified ID.

Specified by:

createRepository in class RepositoryManager

Parameters:

id - A repository ID.

Returns:

The created repository, or null if no such repository exists.

Throws:

RepositoryConfigException - If no repository could be created due to invalid or incomplete configuration data.

RepositoryException - If the repository could not be initialized.

getRepositoryInfo

public RepositoryInfo getRepositoryInfo(String id)
                                 throws RepositoryException

Description copied from class: RepositoryManager

Gets the repository that is known by the specified ID from this manager.

Specified by:

getRepositoryInfo in class RepositoryManager

Parameters:

id - A repository ID.

Returns:

A Repository object, or null if no repository was known for the specified ID.

Throws:

RepositoryException - When not able to retrieve existing configurations

getAllRepositoryInfos

public Collection<RepositoryInfo> getAllRepositoryInfos(boolean skipSystemRepo)
                                                 throws RepositoryException

Specified by:

getAllRepositoryInfos in class RepositoryManager

Throws:

RepositoryException - When not able to retrieve existing configurations

removeRepository

public boolean removeRepository(String repositoryID)
                         throws RepositoryException,
                                RepositoryConfigException

Description copied from class: RepositoryManager

Removes the specified repository by deleting its configuration from the manager's system repository if such a configuration is present, and removing any persistent data associated with the repository. Returns true if the system repository actually contained the specified repository configuration. NB this operation can not be undone!

Overrides:

removeRepository in class RepositoryManager

Parameters:

repositoryID - The ID of the repository that needs to be removed.

Throws:

RepositoryException - If the manager failed to update its system repository.

RepositoryConfigException - If the manager doesn't know how to remove a repository due to inconsistent configuration data in the system repository. For example, this happens when there are multiple existing configurations with the concerning ID.

cleanUpRepository

protected void cleanUpRepository(String repositoryID)
                          throws IOException

Description copied from class: RepositoryManager

Clean up a removed repository. Note that the configuration for this repository is no longer present in the system repository.

Specified by:

cleanUpRepository in class RepositoryManager

Parameters:

repositoryID - the ID of the repository to clean up

Throws:

IOException