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JCR-RMI is a transparent Remote Method Invocation (RMI) layer for the
Content Repository for Java Technology API (JCR). The layer makes it
possible to remotely access JCR content repositories.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.jackrabbit.rmi.server;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.rmi.RemoteException;
import javax.jcr.Credentials;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.UnsupportedRepositoryOperationException;
import org.apache.jackrabbit.rmi.remote.RemoteItem;
import org.apache.jackrabbit.rmi.remote.RemoteNode;
import org.apache.jackrabbit.rmi.remote.RemoteProperty;
import org.apache.jackrabbit.rmi.remote.RemoteSession;
import org.apache.jackrabbit.rmi.remote.RemoteWorkspace;
import org.apache.jackrabbit.rmi.remote.security.RemoteAccessControlManager;
/**
* Remote adapter for the JCR {@link javax.jcr.Session Session} interface.
* This class makes a local session available as an RMI service using the
* {@link org.apache.jackrabbit.rmi.remote.RemoteSession RemoteSession}
* interface.
*
* @see javax.jcr.Session
* @see org.apache.jackrabbit.rmi.remote.RemoteSession
*/
public class ServerSession extends ServerObject implements RemoteSession {
/** The adapted local session. */
private Session session;
/**
* The server workspace for this session. This field is assigned on demand
* by the first call to {@link #getWorkspace()}. The assumption is that
* there is only one workspace instance per session and that each call to
* the Session.getWorkspace() method of a single session will
* allways return the same object.
*/
private RemoteWorkspace remoteWorkspace;
/**
* Creates a remote adapter for the given local session.
*
* @param session local session
* @param factory remote adapter factory
* @throws RemoteException on RMI errors
*/
public ServerSession(Session session, RemoteAdapterFactory factory)
throws RemoteException {
super(factory);
this.session = session;
}
/** {@inheritDoc} */
public String getUserID() throws RemoteException {
return session.getUserID();
}
/** {@inheritDoc} */
public Object getAttribute(String name) throws RemoteException {
return session.getAttribute(name);
}
/** {@inheritDoc} */
public String[] getAttributeNames() throws RemoteException {
return session.getAttributeNames();
}
/** {@inheritDoc} */
public RemoteSession impersonate(Credentials credentials)
throws RepositoryException, RemoteException {
try {
Session newSession = session.impersonate(credentials);
return getFactory().getRemoteSession(newSession);
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public RemoteWorkspace getWorkspace() throws RemoteException {
if (remoteWorkspace == null) {
remoteWorkspace =
getFactory().getRemoteWorkspace(session.getWorkspace());
}
return remoteWorkspace;
}
/** {@inheritDoc} */
public boolean hasPermission(String path, String actions)
throws RepositoryException, RemoteException {
return session.hasPermission(path, actions);
}
/** {@inheritDoc} */
public String getNamespacePrefix(String uri)
throws RepositoryException, RemoteException {
try {
return session.getNamespacePrefix(uri);
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public String[] getNamespacePrefixes()
throws RepositoryException, RemoteException {
try {
return session.getNamespacePrefixes();
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public String getNamespaceURI(String prefix)
throws RepositoryException, RemoteException {
try {
return session.getNamespaceURI(prefix);
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public void setNamespacePrefix(String prefix, String uri)
throws RepositoryException, RemoteException {
try {
session.setNamespacePrefix(prefix, uri);
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public boolean itemExists(String path) throws RepositoryException, RemoteException {
return session.itemExists(path);
}
/** {@inheritDoc} */
public boolean nodeExists(String path) throws RepositoryException, RemoteException {
return session.nodeExists(path);
}
/** {@inheritDoc} */
public boolean propertyExists(String path) throws RepositoryException, RemoteException {
return session.propertyExists(path);
}
/** {@inheritDoc} */
public RemoteNode getNodeByIdentifier(String id)
throws RepositoryException, RemoteException {
try {
return getRemoteNode(session.getNodeByIdentifier(id));
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
@SuppressWarnings("deprecation")
public RemoteNode getNodeByUUID(String uuid)
throws RepositoryException, RemoteException {
try {
return getRemoteNode(session.getNodeByUUID(uuid));
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public RemoteNode getRootNode()
throws RepositoryException, RemoteException {
try {
return getRemoteNode(session.getRootNode());
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public RemoteItem getItem(String path)
throws RepositoryException, RemoteException {
try {
return getRemoteItem(session.getItem(path));
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public RemoteNode getNode(String path)
throws RepositoryException, RemoteException {
try {
return getRemoteNode(session.getNode(path));
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public RemoteProperty getProperty(String path)
throws RepositoryException, RemoteException {
try {
return (RemoteProperty) getRemoteItem(session.getProperty(path));
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public boolean hasPendingChanges()
throws RepositoryException, RemoteException {
try {
return session.hasPendingChanges();
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public void removeItem(String path)
throws RepositoryException, RemoteException {
try {
session.removeItem(path);
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public void move(String from, String to)
throws RepositoryException, RemoteException {
try {
session.move(from, to);
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public void save() throws RepositoryException, RemoteException {
try {
session.save();
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public void refresh(boolean keepChanges)
throws RepositoryException, RemoteException {
try {
session.refresh(keepChanges);
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public void logout() throws RemoteException {
session.logout();
}
/** {@inheritDoc} */
public boolean isLive() throws RemoteException {
return session.isLive();
}
/** {@inheritDoc} */
public void importXML(String path, byte[] xml, int mode)
throws IOException, RepositoryException, RemoteException {
try {
session.importXML(path, new ByteArrayInputStream(xml), mode);
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public void addLockToken(String token) throws RemoteException {
session.addLockToken(token);
}
/** {@inheritDoc} */
public String[] getLockTokens() throws RemoteException {
return session.getLockTokens();
}
/** {@inheritDoc} */
public void removeLockToken(String token) throws RemoteException {
session.removeLockToken(token);
}
/** {@inheritDoc} */
public byte[] exportDocumentView(
String path, boolean binaryAsLink, boolean noRecurse)
throws IOException, RepositoryException, RemoteException {
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
session.exportDocumentView(path, buffer, binaryAsLink, noRecurse);
return buffer.toByteArray();
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public byte[] exportSystemView(
String path, boolean binaryAsLink, boolean noRecurse)
throws IOException, RepositoryException, RemoteException {
try {
ByteArrayOutputStream buffer = new ByteArrayOutputStream();
session.exportSystemView(path, buffer, binaryAsLink, noRecurse);
return buffer.toByteArray();
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
/** {@inheritDoc} */
public RemoteAccessControlManager getAccessControlManager()
throws UnsupportedRepositoryOperationException,
RepositoryException, RemoteException {
try {
return getFactory().getRemoteAccessControlManager(
session.getAccessControlManager());
} catch (RepositoryException ex) {
throw getRepositoryException(ex);
}
}
}
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