/** * 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.wtp.pdu;import net.sourceforge.jwap.util.BitArrayOutputStream;/** * This Class represents an Result PDU. * According to the WTP specification in section 8 this PDU * can be encoded into a byte array. * <br><br> * The first 3 bytes of the PDU are used for the WTP Layer. * After this the payload follows - e.g. the bytes of a upper Layer. * To encode the PDU call toByteArray(). * <br><br> * There are to ways of creation: <b>Either</b> you construct a Object * manually by calling the constructor <b>or</b> you use CWTPFactory * to decode a byte Array. */public class CWTPResult extends CWTPPDU {    /**     * @param payload The Bytes belonging to the layer above     * @param TID the Transaction ID according to the spec     */    public CWTPResult(byte[] payload, int TID) {        super(payload, TID, PDU_TYPE_RESULT);    }    /**     * Encodes the PDU according to the WTP spec     *     * @return encoded bytes     */    public byte[] toByteArray() {        BitArrayOutputStream result = new BitArrayOutputStream();        result.write(CON);        result.write(pduType, 4);        result.write(GTR);        result.write(TTR);        result.write(RID);        result.write(TID, 16);        result.write(payload);        return result.toByteArray();    }    /////////////////////////////////////////////////////////////////////////////    //////////////////////////////// HELPERS ////////////////////////////////////    /**     * constructs a string representation of the object     * invluding all fields.     *     * @return The constructed String with debug information     */    public String toString() {        String result = "";        result += ("CON:      " + CON + System.getProperty("line.separator") +        "pduType:  " + pduType + System.getProperty("line.separator") +        "GTR:      " + GTR + System.getProperty("line.separator") +        "TTR:      " + TTR + System.getProperty("line.separator") +        "RID:      " + RID + System.getProperty("line.separator") +        "TID:      " + TID + System.getProperty("line.separator") +        System.getProperty("line.separator") + "ENCODED:" +        System.getProperty("line.separator") +        BitArrayOutputStream.getBitString(toByteArray()));        return result;    }    /**     * Test method     * @param args ignored     */    public static void main(String[] args) {        /*CWTPResult a = new CWTPResult(                          new CWSPReply(CWSPReply._200_OK_Success,                                        new CMMessage("01795090731","niko@bender.net",true),                                        "application/vnd.wap.mms-message").toByteArray(),                          (short)242);        System.out.println(a.toString());*/    }}