WSRemotingSessionManagerImpl.java

/*
 * (C) Copyright 2006-2007 Nuxeo SA (http://nuxeo.com/) and others.
 *
 * Licensed 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.
 *
 * Contributors:
 *     anguenot
 *
 * $Id: WSRemotingSessionManagerImpl.java 21703 2007-07-01 20:48:16Z sfermigier $
 */

package org.nuxeo.ecm.platform.ws.session;

import java.util.HashMap;
import java.util.Hashtable;
import java.util.List;
import java.util.Map;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.nuxeo.ecm.core.api.CoreSession;
import org.nuxeo.ecm.core.api.DocumentModel;
import org.nuxeo.ecm.core.api.NuxeoException;
import org.nuxeo.ecm.platform.api.ws.DocumentLoader;
import org.nuxeo.ecm.platform.api.ws.DocumentLoaderDescriptor;
import org.nuxeo.ecm.platform.api.ws.DocumentProperty;
import org.nuxeo.ecm.platform.api.ws.session.WSRemotingSession;
import org.nuxeo.ecm.platform.api.ws.session.WSRemotingSessionManager;
import org.nuxeo.ecm.platform.api.ws.session.impl.WSRemotingSessionImpl;
import org.nuxeo.ecm.platform.usermanager.UserManager;
import org.nuxeo.runtime.model.ComponentInstance;
import org.nuxeo.runtime.model.ComponentName;
import org.nuxeo.runtime.model.DefaultComponent;

/**
 * Web service Remoting session manager implemtation.
 *
 * @author <a href="mailto:ja@nuxeo.com">Julien Anguenot</a>
 */
public class WSRemotingSessionManagerImpl extends DefaultComponent implements WSRemotingSessionManager, DocumentLoader {

    public static final ComponentName NAME = new ComponentName(
            "org.nuxeo.ecm.platform.ws.session.WSRemotingSessionManagerImpl");

    private static final Log log = LogFactory.getLog(WSRemotingSessionManagerImpl.class);

    private static final Map<String, WSRemotingSession> sessions = new Hashtable<String, WSRemotingSession>();

    protected final HashMap<String, DocumentLoader> loaders = new HashMap<String, DocumentLoader>();

    public void addSession(String sid, WSRemotingSession session) {
        log.debug("Adding a new Web Service remoting session for username=" + session.getUsername());
        sessions.put(sid, session);
    }

    public WSRemotingSession createSession(String username, String password, String repository, UserManager um,
            CoreSession session) {
        return new WSRemotingSessionImpl(session, um, repository, username, password);
    }

    public WSRemotingSession getSession(String sid) {
        if (sid == null) {
            throw new NuxeoException("Invalid value for sid... null value");
        }
        WSRemotingSession session = sessions.get(sid);
        if (session == null) {
            throw new NuxeoException("Cannot find session for sid=" + sid);
        }
        log.debug("Found session for username=" + session.getUsername());
        log.debug("Forwarding the session now...");
        return session;
    }

    public void delSession(String sid) {
        WSRemotingSession session = getSession(sid);
        sessions.remove(sid);
        log.debug("Removing session for username=" + session.getUsername());
    }

    @Override
    public void registerContribution(Object contribution, String extensionPoint, ComponentInstance contributor) {
        if ("loaders".equals(extensionPoint)) {
            registerLoader((DocumentLoaderDescriptor) contribution);
        }
    }

    protected void registerLoader(DocumentLoaderDescriptor desc) {
        loaders.put(desc.name, desc.instance);
    }

    @Override
    public void fillProperties(DocumentModel doc, List<DocumentProperty> props, WSRemotingSession rs)
            {
        for (DocumentLoader loader : loaders.values()) {
            loader.fillProperties(doc, props, rs);
        }
    }

    @Override
    public <T> T getAdapter(Class<T> adapter) {
        if (DocumentLoader.class.isAssignableFrom(adapter)) {
            return adapter.cast(this);
        }
        return super.getAdapter(adapter);
    }
}