/*
 * Copyright (C) 2007-2009 Jive Software. All rights reserved.
 *
 * 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.
 */

package org.jivesoftware.openfire.plugin.session;

import org.jivesoftware.openfire.SessionManager;
import org.jivesoftware.openfire.session.ComponentSession;
import org.jivesoftware.openfire.session.Session;
import org.jivesoftware.util.cache.ExternalizableUtil;
import org.xmpp.packet.JID;

import java.io.IOException;
import java.io.ObjectInput;
import java.io.ObjectOutput;

/**
 * Class that defines possible remote operations that could be performed
 * on remote component sessions (for external components only).
 *
 * @author Gaston Dombiak
 */
public class ComponentSessionTask extends RemoteSessionTask {
    private JID address;

    public ComponentSessionTask() {
    }

    protected ComponentSessionTask(JID address, Operation operation) {
        super(operation);
        this.address = address;
    }

    Session getSession() {
        return SessionManager.getInstance().getComponentSession(address.getDomain());
    }

    public void run() {
        super.run();
        if (operation == Operation.getType) {
            result = ((ComponentSession) getSession()).getExternalComponent().getType();
        }
        else if (operation == Operation.getCategory) {
            result = ((ComponentSession) getSession()).getExternalComponent().getCategory();
        }
        else if (operation == Operation.getInitialSubdomain) {
            result = ((ComponentSession) getSession()).getExternalComponent().getInitialSubdomain();
        }
        else if (operation == Operation.getSubdomains) {
            result = ((ComponentSession) getSession()).getExternalComponent().getSubdomains();
        }
        else if (operation == Operation.getName) {
            result = ((ComponentSession) getSession()).getExternalComponent().getName();
        }
        else if (operation == Operation.getDescription) {
            result = ((ComponentSession) getSession()).getExternalComponent().getDescription();
        }
        else if (operation == Operation.start) {
            ((ComponentSession) getSession()).getExternalComponent().start();
        }
        else if (operation == Operation.shutdown) {
            ((ComponentSession) getSession()).getExternalComponent().shutdown();
        }
    }

    public void writeExternal(ObjectOutput out) throws IOException {
        super.writeExternal(out);
        ExternalizableUtil.getInstance().writeSerializable(out, address);
    }

    public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
        super.readExternal(in);
        address = (JID) ExternalizableUtil.getInstance().readSerializable(in);
    }

    public String toString() {
        return super.toString() + " operation: " + operation + " address: " + address;
    }
}