transportservicemonitorfilter.java

jxta_src_2.41b jxta 2.41b 最新版源码 from www.jxta.org

/*
 * Copyright (c) 2001 Sun Microsystems, Inc.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution,
 *    if any, must include the following acknowledgment:
 *       "This product includes software developed by the
 *       Sun Microsystems, Inc. for Project JXTA."
 *    Alternately, this acknowledgment may appear in the software itself,
 *    if and wherever such third-party acknowledgments normally appear.
 *
 * 4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" must
 *    not be used to endorse or promote products derived from this
 *    software without prior written permission. For written
 *    permission, please contact Project JXTA at http://www.jxta.org.
 *
 * 5. Products derived from this software may not be called "JXTA",
 *    nor may "JXTA" appear in their name, without prior written
 *    permission of Sun.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL SUN MICROSYSTEMS OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of Project JXTA.  For more
 * information on Project JXTA, please see
 * <http://www.jxta.org/>.
 *
 * This license is based on the BSD license adopted by the Apache Foundation.
 *
 * $Id: TransportServiceMonitorFilter.java,v 1.7 2004/09/27 21:47:03 bondolo Exp $
 */

 package net.jxta.impl.endpoint.transportMeter;

 import java.net.*;
import net.jxta.meter.*;
import net.jxta.id.IDFactory;
import net.jxta.document.*;
import net.jxta.util.documentSerializable.*;
import net.jxta.platform.ModuleSpecID;
import java.util.*;
import net.jxta.platform.*;
import net.jxta.util.*;
import net.jxta.exception.*;
import net.jxta.id.IDFactory;

public class TransportServiceMonitorFilter implements ServiceMonitorFilter {
	private ModuleClassID moduleClassID = MonitorResources.transportServiceMonitorClassID;
	private LinkedList includedTransports =  new LinkedList();
	private boolean includeAllTransports = true;

	public TransportServiceMonitorFilter() { }

	public void init(ModuleClassID moduleClassID) {
		this.moduleClassID = moduleClassID;
	}

	public ModuleClassID getModuleClassID() { return moduleClassID; }

	public void removeAllTransports() {
		includedTransports.clear();
		includeAllTransports = false;
	}

	public void includeAllTransports(boolean includeAllTransports) {
		this.includeAllTransports = includeAllTransports;
	}
	
	public void includeTransport(String protocol) {
		includedTransports.add(protocol);
	}

	public boolean hasTransport(String protocol){
		if (includeAllTransports) 
			return true;
			
		for (Iterator i = includedTransports.iterator(); i.hasNext(); ) {
			String includedTransport = (String)i.next();
			if (includedTransport.equals(protocol))
				return true;
		}
		return false;
	}

	public void includeTransport(ModuleSpecID transportModuleClassID, String subProtocol){
		//fix-me: how is this used??? 
	}

	public void serializeTo(Element element) throws DocumentSerializationException {
		DocumentSerializableUtilities.addString(element, "moduleClassID", moduleClassID.toString());

		DocumentSerializableUtilities.addBoolean(element, "includeAllTransports", includeAllTransports);
		
		for (Iterator i = includedTransports.iterator(); i.hasNext(); ) {
			String includedTransport = (String)i.next();
			DocumentSerializableUtilities.addString(element, "includedTransport", includedTransport);
		}
	}

	public void initializeFrom(Element element) throws DocumentSerializationException {
		for (Enumeration e=element.getChildren(); e.hasMoreElements(); ) {
			Element childElement = (TextElement) e.nextElement();
			String tagName = (String) childElement.getKey();
			if (tagName.equals("moduleClassID")) {
				try {
					moduleClassID = (ModuleClassID) IDFactory.fromURI( new URI(DocumentSerializableUtilities.getString(childElement)));
				} catch(URISyntaxException jex) {
					throw new DocumentSerializationException("Can't read moduleClassID", jex);
				}
			}
			if (tagName.equals("includedTransport")) {
				String includedTransport = DocumentSerializableUtilities.getString(childElement);
				includedTransports.add(includedTransport);
			}
			if (tagName.equals("includeAllTransports")) {
				includeAllTransports = DocumentSerializableUtilities.getBoolean(childElement);
			}
		}
	}
	
}