/** * JWAP - A Java Implementation of the WAP Protocols * Copyright (C) 2001-2004 Niko Bender * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2.1 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */package net.sourceforge.jwap.examples;import net.sourceforge.jwap.wsp.*;import net.sourceforge.jwap.wsp.pdu.CWSPHeaders;import java.net.*;import java.util.*;import java.util.Vector;/** * * This Class shows you how to use the jwap open WAP stack. * First of all you should implement net.sourceforge.jwap.wsp.IWSPUpperLayer. * */public class CWapGetExample2 implements IWSPUpperLayer2 {    /**     * The actual WSP Session.     * You need one instance of CWSPSession for each WAP session.     */    private CWSPSession session;    /**     * the URI we would like to get in this example     */    private String uriToGet;    /**     * You will get an instance of CWSPMethodManger for each invoked     * method (GET or POST). In this Vector we collect all invoked methods.     */    private Vector invokedMethods = new Vector();    /**     *     * @param wapGwAddress Adress of the WAP-Gateway     * @param wapGwPort Port of the WAP-Gateway     * @param uriToGet the URI we would like to GET     */    public CWapGetExample2(InetAddress wapGwAddress, int wapGwPort,        String uriToGet) {        // GET-URI ablegen        this.uriToGet = uriToGet;        // neue Session 黚er Wap-Gateway        try {            session = new CWSPSession(wapGwAddress, // URI of WAP gateway                    wapGwPort, // port of wap gateway                    this, // WE would like to be informed of occuring events                    true); // be verbose            System.out.println("Connecting to WAP-Gateway");            session.s_connect();            // we will get a s.connect.cnf, when we are connected.            // @see #s_connect_cnf()        } catch (SocketException e) {            // UDP Socket problem            e.printStackTrace();        }    }    public static void main(String[] args) {        try {            // we use an open wap gateway by www.waptunnel.com            InetAddress gateway = InetAddress.getByName("localhost");            CWapGetExample2 getter = new CWapGetExample2(gateway, 9201,                    "http://wap.nokia.de/menu.wml");        } catch (UnknownHostException e) {            // Host address not ok            e.printStackTrace();        }    }    //------------------ from here on we implement IWSPUpperLayer ---------------    /**     * called by jwap stack, when we are connectedwith the WAP gateway     */    public void s_connect_cnf() {        System.out.println("connected to WAP gateway");        System.out.println("GET " + uriToGet);        // now we do call GET!        // jwap returns an instance of CWSPMethodManager, that manages        // the method call        // We put it into the vector above.        CWSPHeaders hdrs = new CWSPHeaders();        hdrs.setHeader("User-Agent", "jWAP");        hdrs.setHeader("Accept", "*/*");        invokedMethods.addElement(session.s_get(hdrs, uriToGet));    }    /**     * called by jwap stack, to announce a response to a GET/POST method invocation     *     * @param payload     * @param contentType     * @param moreData     */    public void s_methodResult_ind(byte[] payload, String contentType,        boolean moreData) {    }    public void s_methodResult_ind(CWSPResult result) {        System.out.println("Response received:");        System.out.println("Content Type: " + result.getContentType());        System.out.println("" + result.getPayload().length + " bytes");        CWSPHeaders headers = result.getHeaders();        if (headers != null) {            System.out.println("Headers:");            for (Enumeration e = headers.getHeaderNames(); e.hasMoreElements();) {                String name = (String) e.nextElement();                for (Enumeration e2 = headers.getHeaders(name);                        e2.hasMoreElements();) {                    String val = (String) e2.nextElement();                    System.out.println("  " + name + ": " + val);                }            }        }        // if we do not need any more invocations of a GET/POST methode, we will        // disconnect from WAP gateway        System.out.println("Disconnecting from WAP-Gateway");        session.s_disconnect();    }    /**     * will be incoked by jwap stack, when we are disconnected from the WAP gateway     * @param reason     */    public void s_disconnect_ind(short reason) {        System.out.println("Disconnected.");    }    /**     * will be invoked by jwap stack, when we are disconnected by the WAP gateway     * because it is redirected.     *     * @param redirectInfo     */    public void s_disconnect_ind(InetAddress[] redirectInfo) {        // ignore.        // in IWSPUpperLayer2 we are using:        // public void s_disconnect_ind(InetSocketAddress[] redirectInfo)    }    public void s_disconnect_ind(CWSPSocketAddress[] redirectInfo){	    if (redirectInfo.length > 0){	        try {	            System.out.println("redirected to " + redirectInfo[0]);	        	session = new CWSPSession(	        	        redirectInfo[0], // port of wap gateway	        	        this, // WE would like to be informed of occuring events	        	        true); // be verbose	        	System.out.println("Connecting to WAP-Gateway");	        	session.s_connect();	        } catch (SocketException e) {	            // UDP Socket problem	            e.printStackTrace();	        }	    }	}    /**     * invoked ba the jwap stack to show, that the session is suspended     * @param reason     */    public void s_suspend_ind(short reason) {    }    /**     * invoked, when a suspended session will be resumed     */    public void s_resume_cnf() {    }}