ManagerWriterImpl.java

/*
 *  Copyright 2004-2006 Stefan Reuter
 *
 *  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.asteriskjava.manager.internal;

import java.io.IOException;

import org.asteriskjava.AsteriskVersion;
import org.asteriskjava.manager.action.ManagerAction;
import org.asteriskjava.util.Log;
import org.asteriskjava.util.LogFactory;
import org.asteriskjava.util.SocketConnectionFacade;

/**
 * Default implementation of ManagerWriter interface.
 * 
 * @author srt
 * @version $Id: ManagerWriterImpl.java 938 2007-12-31 03:23:38Z srt $
 */
public class ManagerWriterImpl implements ManagerWriter {

    /**
     * Instance logger.
     */
    private final Log logger = LogFactory.getLog(getClass());
    /**
     * The action builder utility to convert ManagerAction to a String suitable to be sent to the
     * asterisk server.
     */
    protected final ActionBuilder actionBuilder;
    protected SocketConnectionFacade socket;

    /**
     * Creates a new ManagerWriter.
     */
    public ManagerWriterImpl() {
        this.actionBuilder = new ActionBuilderImpl();
    }

    public void setTargetVersion(AsteriskVersion version) {
        actionBuilder.setTargetVersion(version);
    }

    public synchronized void setSocket(final SocketConnectionFacade socket) {
        this.socket = socket;
    }

    public void sendAction(final ManagerAction action, final String internalActionId) throws IOException {
        final String actionString;
        if (socket == null) {
            throw new IllegalStateException("Unable to send action: socket is null");
        }
        synchronized (socket) {
            actionString = actionBuilder.buildAction(action, internalActionId);

            socket.write(actionString);
            socket.flush();

        // TODO tracing
        //logger.debug("Sent " + action.getAction() + " action with actionId '" + action.getActionId() + "':\n" + actionString);
        }

    }
}