interactivespaces.service.control.opensoundcontrol.internal.OpenSoundControlMethodCollection.java Source code

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Here is the source code for interactivespaces.service.control.opensoundcontrol.internal.OpenSoundControlMethodCollection.java

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/*
 * Copyright (C) 2014 Google Inc.
 *
 * 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 interactivespaces.service.control.opensoundcontrol.internal;

import interactivespaces.service.control.opensoundcontrol.OpenSoundControlIncomingMessage;
import interactivespaces.service.control.opensoundcontrol.OpenSoundControlMethod;

import com.google.common.collect.Lists;

import org.apache.commons.logging.Log;

import java.util.List;

/**
 * A collection of OSC methods.
 *
 * <p>
 * This class is not thread safe. The callers need to protect it.
 *
 * @param <M>
 *          the type of incoming messages
 *
 * @author Keith M. Hughes
 */
public class OpenSoundControlMethodCollection<M extends OpenSoundControlIncomingMessage> {

    /**
     * The methods.
     */
    private List<OpenSoundControlMethod<M>> methods = Lists.newArrayList();

    /**
     * Add a new method to the collection.
     *
     * @param method
     *          the method to add
     */
    public void addMethod(OpenSoundControlMethod<M> method) {
        methods.add(method);
    }

    /**
     * Remove a method from the collection.
     *
     * <p>
     * Does nothing if the method is not in the collection.
     *
     * @param method
     *          the method to remove
     */
    public void removeMethod(OpenSoundControlMethod<M> method) {
        methods.remove(method);
    }

    /**
     * Handle a message.
     *
     * @param message
     *          the message to handle
     * @param log
     *          a logger to use
     */
    public void handleMessage(M message, Log log) {
        for (OpenSoundControlMethod<M> method : methods) {
            try {
                method.invoke(message);
            } catch (Throwable e) {
                log.error("An Open Sound Control method has failed", e);
            }
        }
    }
}