httpconfig.java

jxme的一些相关程序,主要是手机上程序开发以及手机和计算机通信的一些程序资料,程序编译需要Ant支持

/*
 * 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: HttpConfig.java,v 1.2 2002/03/04 21:42:56 echtcherbina Exp $
 */

package net.jxta.impl.config;

import net.jxta.document.*;
import net.jxta.endpoint.EndpointAddress;
import net.jxta.impl.endpoint.Address;
import java.io.IOException;
import java.util.Enumeration;

/**
 * Sub-configuration for HTTP-specific settings. Instances of this class
 * are normally contained within a Config instance.
 *
**/
public class HttpConfig {
    
    /** The default TCP server port **/
    private static final int DEFAULT_PORT = 6002;

    private static final String DEFAULT_IMPL =
        "net.jxta.impl.endpoint.http.HttpTransport";
    
    /** The implementation classname to be used for the HTTP transport. **/
    private String mImplClassname;

    /** The port on which the HTTP server is to run **/
    private EndpointAddress mServerAddress;

    /** The hostname of the router that the local peer is using. Null if not
    using a router. **/
    private EndpointAddress mRouterAddress;

    /** The hostname of the HTTP proxy that the local peer is using. Null if
        not using a proxy server. **/
    private EndpointAddress mProxyAddress;

    /** Stores whether to use the HTTP proxy information or not **/
    private boolean mUseProxy;

    /** tells whether to use the public address **/
    private boolean mUsePublicAddress;

    /** The address I want to expose publicly. **/
    private EndpointAddress mPublicAddress;

    /** XXX what is this???  not implemented cause I don't know what it is. **/
    private String mPeerID;

    // XML tag names
    private static final String KEY_SERVER = "Server";
    private static final String KEY_PROXY = "ProxyServer";
    private static final String KEY_USE_PROXY = "UseProxyServer";
    private static final String KEY_ROUTER = "Router";
    private static final String KEY_IMPL = "Impl";

    /** Creates a default config instance.  The default is such that there
    is no proxy used, no router used, and that the peer is not a rendezvous
    server. **/
    public static HttpConfig createDefaultConfig() {
        HttpConfig conf = new HttpConfig();
        conf.setImplClassname( DEFAULT_IMPL );
        conf.setServerAddress( new Address( "http://localhost:" + DEFAULT_PORT ) );
        return conf;
    }

    /** Creates a new HttpConfig instance given a parent "Http" element **/
    public static HttpConfig newFromXML( TextElement parent ) {
        Enumeration enum = parent.getChildren();
        if ( enum == null ) return null;
        HttpConfig conf = new HttpConfig();
        while ( enum.hasMoreElements() ) {
            TextElement e = (TextElement) enum.nextElement();
            String elname = e.getName();

            if ( elname.equals( KEY_IMPL ) )
                conf.mImplClassname = e.getTextValue();
            else if ( elname.equals( KEY_SERVER ) )
                conf.mServerAddress = new Address( e.getTextValue() );
            else if ( elname.equals( KEY_ROUTER ) )
                conf.mRouterAddress = new Address( e.getTextValue() );
            else if ( elname.equals( KEY_PROXY ) )
                conf.mProxyAddress = new Address( e.getTextValue() );
            else if ( elname.equals( KEY_USE_PROXY ) )
                conf.mUseProxy = Boolean.valueOf( e.getTextValue() ).booleanValue();
            else if ( elname.equals( ConfigConstants.KEY_PUBLICADDR ) )
                conf.mPublicAddress = new Address( e.getTextValue() );
            else if ( elname.equals( ConfigConstants.KEY_USE_PUBLICADDR ) )
                conf.mUsePublicAddress = Boolean.valueOf( e.getTextValue() ).booleanValue();
        }

        return conf;
    }

    /** Writes self to doc. **/
    public void writeToXML( StructuredTextDocument doc ) { 
        Element parent = doc.createElement( ConfigConstants.KEY_HTTP_TRANSPORT );
        doc.appendChild( parent );

        ConfigUtil.writeAddress( doc, parent, mServerAddress, KEY_SERVER );
        ConfigUtil.writeAddress( doc, parent, mRouterAddress, KEY_ROUTER );
        ConfigUtil.writeAddress( doc, parent, mProxyAddress, KEY_PROXY );
        parent.appendChild( doc.createElement( KEY_USE_PROXY, String.valueOf( mUseProxy ) ) );
        ConfigUtil.writeAddress( doc, parent, mPublicAddress, ConfigConstants.KEY_PUBLICADDR );
        
        parent.appendChild( doc.createElement(
            ConfigConstants.KEY_USE_PUBLICADDR,
            String.valueOf( mUsePublicAddress ) ) );

        Element e = doc.createElement( KEY_IMPL, mImplClassname );
        parent.appendChild( e );
    }


    /** Gets the port on which the HTTP server will listen. **/
    public EndpointAddress getServerAddress() {
        return mServerAddress;
    }

    /** Sets the port on which the HTTP server will listen. **/
    public void setServerAddress( EndpointAddress aAddress ) {
        mServerAddress = aAddress;
    }

    /** Returns the implementation classname for the transport. **/
    public String getImplClassname() {
        return mImplClassname;
    }

    /** Sets the implementation classname for the transport. **/
    public void setImplClassname( String aImplClassname ) {
        mImplClassname = aImplClassname;
    }

    /** Gets the hostname of the router that the peer is using. **/ 
    public EndpointAddress getRouterAddress() {
        return mRouterAddress;
    }

    /** Sets the hostname of the router that the peer is using. **/ 
    public void setRouterAddress( EndpointAddress aRouterAddress ) {
        mRouterAddress = aRouterAddress;
    }

    /** Gets the hostadress of the proxy server that the peer is using. Returns
    null if I am not using a proxy server **/
    public EndpointAddress getProxyAddress() {
        return mProxyAddress;
    }

    /** Sets the hostname of the proxy that the peer is using **/
    public void setProxyAddress( EndpointAddress aProxyAddress ) {
        mProxyAddress = aProxyAddress;
    }

    /** Returns whether to use the defined proxy server **/
    public boolean getUseProxy() {
        return mUseProxy;
    }

    /** Sets whether to use the defined proxy server **/
    public void setUseProxy( boolean aUseProxy ) {
        mUseProxy = aUseProxy;
    }

    /** Gets the public address to expose for HTTP-based communications **/
    public EndpointAddress getPublicAddress() {
        return mPublicAddress;
    }

    /** Sets the public address to expose for HTTP-based communications **/
    public void setPublicAddress( EndpointAddress aPublicAddress ) {
        mPublicAddress = aPublicAddress;
    }

    /** Tells whether to use the specified public address **/
    public boolean getUsePublicAddress() {
        return mUsePublicAddress;
    }

    /** Sets whether to use the specified public address **/
    public void setUsePublicAddress( boolean aUsePublicAddress ) {
        mUsePublicAddress = aUsePublicAddress;
    }
}