/** * 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 java.net.InetAddress;import java.net.UnknownHostException;import java.util.StringTokenizer;import net.sourceforge.jwap.util.BitArrayOutputStream;import net.sourceforge.jwap.util.Logger;import net.sourceforge.jwap.wsp.CWSPSocketAddress;public class CWSPAddress {    /**     * bearer Types according to WAP-259-WDP-20010614-a     * only two of them implemented here!     */    public static final int BEARER_TYPE_GSM_CSD = 0x0A;    public static final int BEARER_TYPE_GSM_GPRS = 0x0B;    public boolean bearerTypeIncluded; // 1st bit    public boolean portNumberIncluded; // 2nd bit    public long addressLen; // 6bits    public long bearerType; // uint8    public long portNumber; // uint16    public short bearerAddressToUse1; // multiple octets    public short bearerAddressToUse2;    public short bearerAddressToUse3;    public short bearerAddressToUse4;    private static Logger logger = Logger.getLogger(CWSPAddress.class);    public CWSPAddress(boolean bearerTypeIncluded, boolean portNumberIncluded,        short bearerType, int portNumber, String bearerAddressToUse_IP) {        this.bearerTypeIncluded = bearerTypeIncluded;        this.portNumberIncluded = portNumberIncluded;        this.addressLen = 4;        this.bearerType = bearerType;        this.portNumber = portNumber;        StringTokenizer t = new StringTokenizer(bearerAddressToUse_IP, ".",                false);        bearerAddressToUse1 = Short.parseShort(t.nextToken());        bearerAddressToUse2 = Short.parseShort(t.nextToken());        bearerAddressToUse3 = Short.parseShort(t.nextToken());        bearerAddressToUse4 = Short.parseShort(t.nextToken());    }    /**     * get the encoded byte array of the address     */    public byte[] getBytes() {        BitArrayOutputStream out = new BitArrayOutputStream();        out.write(bearerTypeIncluded);        out.write(portNumberIncluded);        out.write(addressLen, 6);        out.write(bearerType, 8);        out.write(portNumber, 16);        out.write(bearerAddressToUse1, 8);        out.write(bearerAddressToUse2, 8);        out.write(bearerAddressToUse3, 8);        out.write(bearerAddressToUse4, 8);        return out.toByteArray();    }    /**     * copmpares all fields of the address     */    public boolean equals(Object a) {        CWSPAddress b = (CWSPAddress) a;        if ((this.bearerTypeIncluded == b.bearerTypeIncluded) &&                (this.portNumberIncluded == b.portNumberIncluded) &&                (this.addressLen == b.addressLen) &&                (this.bearerType == b.bearerType) &&                (this.portNumber == b.portNumber) &&                (this.bearerAddressToUse1 == b.bearerAddressToUse1) &&                (this.bearerAddressToUse2 == b.bearerAddressToUse2) &&                (this.bearerAddressToUse3 == b.bearerAddressToUse3) &&                (this.bearerAddressToUse4 == b.bearerAddressToUse4)) {            return true;        } else {            return false;        }    }    /////////////////////////////////////////////////////////////////////////////    //////////////////////////////// GET/SET ////////////////////////////////////    public boolean getBearerTypeIncluded() {        return bearerTypeIncluded;    }    public boolean getPortNumberIncluded() {        return portNumberIncluded;    }    public long getAddressLen() {        return addressLen;    }    public long getBearerType() {        return bearerType;    }    public long getPortNumber() {        return portNumber;    }    public InetAddress getInetAddress() {        InetAddress ret = null;        String addr = getBearerAddressToUse();        try {            ret = InetAddress.getByName(addr);        } catch (UnknownHostException e) {            logger.warn(addr+": Unable to convert to InetAddress", e);         }        return ret;    }    public CWSPSocketAddress getSocketAddress() {        InetAddress addr = getInetAddress();        CWSPSocketAddress ret = null;        if( addr != null ) {            ret = new CWSPSocketAddress(addr, (int)portNumber);        }         return ret;    }        public String getBearerAddressToUse() {        StringBuffer sb = new StringBuffer();        sb.append(bearerAddressToUse1).append(".")            .append(bearerAddressToUse2).append(".")            .append(bearerAddressToUse3).append(".")            .append(bearerAddressToUse4);        return sb.toString();    }}