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EventBufferResultsProvider.java

/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
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 * Copyright 1997-2009 Sun Microsystems, Inc. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common
 * Development and Distribution License("CDDL") (collectively, the
 * "License"). You may not use this file except in compliance with the
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 * http://www.netbeans.org/cddl-gplv2.html
 * or nbbuild/licenses/CDDL-GPL-2-CP. See the License for the
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 * Notice in each file and include the License file at
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package org.netbeans.lib.profiler.results;

import org.netbeans.lib.profiler.ProfilerClient;
import java.util.Collections;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;


/**
 *
 * @author Jaroslav Bachorik
 */
00056 public class EventBufferResultsProvider implements ProfilingResultsProvider {
    //~ Static fields/initializers -----------------------------------------------------------------------------------------------

    private static final Logger LOGGER = Logger.getLogger(EventBufferResultsProvider.class.getName());
    private static final EventBufferResultsProvider instance = new EventBufferResultsProvider();

    //~ Instance fields ----------------------------------------------------------------------------------------------------------

    private final Set listeners = Collections.synchronizedSet(new HashSet());

    //~ Constructors -------------------------------------------------------------------------------------------------------------

    /** Creates a new instance of RawProfilingResultsCollector */
00069     private EventBufferResultsProvider() {
    }

    //~ Methods ------------------------------------------------------------------------------------------------------------------

    public static EventBufferResultsProvider getDefault() {
        return instance;
    }

    public void addDispatcher(ProfilingResultsProvider.Dispatcher dispatcher) {
        listeners.add(dispatcher);
    }

    public void dataReady(int buffsize, int instrumentationType) {
        if (LOGGER.isLoggable(Level.FINEST)) {
            LOGGER.finest("Profiling data ready"); // NOI18N
        }

        byte[] data = new byte[buffsize];
        System.arraycopy(EventBufferProcessor.buf, 0, data, 0, buffsize);
        fireProcessData(data, instrumentationType);
    }

    public void removeDispatcher(ProfilingResultsProvider.Dispatcher dispatcher) {
        listeners.remove(dispatcher);
    }

    public void shutdown() {
        if (LOGGER.isLoggable(Level.FINEST)) {
            LOGGER.finest("Shutting down profiler"); // NOI18N
        }

        fireShutdown();
    }

    public void startup(ProfilerClient client) {
        if (LOGGER.isLoggable(Level.FINEST)) {
            LOGGER.finest("Starting up profiler"); // NOI18N
        }

        fireStartup(client);
    }

    private void fireProcessData(final byte[] data, final int instrumentationType) {
        for (Iterator iter = listeners.iterator(); iter.hasNext();) {
            ProfilingResultsProvider.Dispatcher dispatcher = (ProfilingResultsProvider.Dispatcher) iter.next();
            dispatcher.dataFrameReceived(data, instrumentationType);
        }
    }

    private void fireShutdown() {
        for (Iterator iter = listeners.iterator(); iter.hasNext();) {
            ProfilingResultsProvider.Dispatcher dispatcher = (ProfilingResultsProvider.Dispatcher) iter.next();
            dispatcher.shutdown();
        }
    }

    private void fireStartup(ProfilerClient client) {
        for (Iterator iter = listeners.iterator(); iter.hasNext();) {
            ProfilingResultsProvider.Dispatcher dispatcher = (ProfilingResultsProvider.Dispatcher) iter.next();
            dispatcher.startup(client);
        }
    }
}

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