/** * 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.wsp.pdu;import net.sourceforge.jwap.util.BitArrayOutputStream;public class CWSPPush extends CWSPPDU {    private String contentType;    public CWSPPush() {        pduType = PDU_TYPE_PUSH;        this.payload = null;        this.contentType = "application/unknown";    }    public CWSPPush(byte[] data, String contentType) {        pduType = PDU_TYPE_PUSH;        this.payload = data;        this.contentType = contentType;    }    public byte[] toByteArray() {        BitArrayOutputStream result = new BitArrayOutputStream();        result.write(TID, 8);        result.write(pduType, 8);        //--------------------------------//        byte[] head = headers.getBytes();        byte[] ctype = contentType.getBytes();        result.writeUintVar(head.length + ctype.length + 1);        result.write(ctype);        result.write(0x00, 8);        result.write(head);        result.write(payload);        //--------------------------------//        return result.toByteArray();    }}