/** * 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.*;import java.util.*;/** * Capabilities allow the client to negotiate characteristics * and extended behaviours of the protocol (see section 8.3 of the WSP spec.). */public class CWSPCapabilities {    /**     * Table 37     */    public static final short TYPE_clientSDUSize = 0x00;    public static final short TYPE_serverSDUSize = 0x01;    public static final short TYPE_protocolOptions = 0x02;    public static final short TYPE_methodMOR = 0x03;    public static final short TYPE_pushMOR = 0x04;    public static final short TYPE_extendedMethods = 0x05;    public static final short TYPE_headerCodePages = 0x06;    public static final short TYPE_aliases = 0x07;    public static final short TYPE_clientMessageSize = 0x08;    public static final short TYPE_serverMessageSize = 0x09;    /**     * section 8.3.2.3     */    public static final short OPTION_CONF_PUSH_FACILITY = 0x80;    public static final short OPTION_PUSH_FACILITY = 0x40;    public static final short OPTION_SESSION_RESUME_FACILITY = 0x20;    public static final short OPTION_ACK_HEADERS = 0x10;    public static final short OPTION_LARGE_DATA_TRANSFER = 0x08;    /**     * section 8.3.2.1     * unintvar     */    private long clientSDUSize = 1400;    private boolean bClientSDUSize = false;    private long serverSDUSize = 1400;    private boolean bServerSDUSize = false;    /**     * section 8.3.2.3     * one octet     */    private long protocolOptions = 0x00;    private boolean bProtocolOptions = false;    /**     * section 8.3.2.4     * uint8     */    private long methodMOR = 1;    private boolean bMethodMOR = false;    private long pushMOR = 1;    private boolean bPushMOR = false;    /**     * section 8.3.2.5     * uint8     * multiple octets     */    private Hashtable extendedMethods = new Hashtable();    /**     * section 8.3.2.6     * uint8     * multiple octets     */    private Hashtable headerCodePages = new Hashtable();    /**     * section 8.3.2.7     * multiple octets     * encoded as redirect address in sec. 8.2.2.3     *     * BearerTypeIncluded, PortNumberIncluded, AddressLength     */    Vector aliases = new Vector();    /**     * section 8.3.2.2     * unintvar     */    private long clientMessageSize = 1024;    private boolean bClientMessageSize = false;    private long serverMessageSize = 1024;    private boolean bServerMessageSize = false;    /////////////////////////////////////////////////////////////////////////////    //////////////////////////////// GET/SET ////////////////////////////////////    public void setClientSDUSize(long clientSDUSize) {        this.clientSDUSize = clientSDUSize;        this.bClientSDUSize = true;    }    public long getClientSDUSize() {        return clientSDUSize;    }    public void setServerSDUSize(long serverSDUSize) {        this.serverSDUSize = serverSDUSize;        this.bServerSDUSize = true;    }    public long getServerSDUSize() {        return serverSDUSize;    }    /**     * set a protocoloption     * use constans in this class beginning with "OPTION_"     */    public void setProtocolOption(short option, boolean on_off) {        if (on_off) {            if (!getProtocolOption(option)) {                this.bProtocolOptions = true;                protocolOptions += option;            }        } else {            if (getProtocolOption(option)) {                protocolOptions -= option;            }        }    }    /**     * is the Option <code>option</code> set?     * use constants in this class beginnig with "OPTION_"     */    public boolean getProtocolOption(short option) {        BitSet s = BitArrayOutputStream.getBitSet(getProtocolOptions());        return s.get((int) (Math.log(option) / Math.log(2)));    }    public byte getProtocolOptions() {        BitArrayOutputStream m = new BitArrayOutputStream();        m.write(protocolOptions, 8);        byte[] b = m.toByteArray();        return b[0];    }    public void setMethodMOR(long methodMOR) {        this.methodMOR = methodMOR;        this.bMethodMOR = true;    }    public long getMethodMOR() {        return methodMOR;    }    public void setPushMOR(long pushMOR) {        this.pushMOR = pushMOR;        this.bPushMOR = true;    }    public long getPushMOR() {        return pushMOR;    }    public Hashtable getExtendedMethods() {        return extendedMethods;    }    public boolean addExtendedMethod(long pduType, String name) {        Long toAdd = new Long(pduType);        Enumeration keys = extendedMethods.keys();        while (keys.hasMoreElements()) {            Long akt = (Long) (keys.nextElement());            if (toAdd.equals(akt)) {                return false;            }        }        extendedMethods.put(new Long(pduType), name);        return true;    }    public boolean removeExtendedMethod(long pduType) {        Long search = new Long(pduType);        Enumeration keys = extendedMethods.keys();        while (keys.hasMoreElements()) {            Long akt = (Long) (keys.nextElement());            if (search.equals(akt)) {                extendedMethods.remove(akt);                return true;            }        }        return false;    }    public Hashtable getHeaderCodePages() {        return headerCodePages;    }    /**     * add a header code page     */    public boolean addHeaderCodePage(long pageCode, String name) {        Long toAdd = new Long(pageCode);        Enumeration keys = headerCodePages.keys();        while (keys.hasMoreElements()) {            Long akt = (Long) (keys.nextElement());            if (toAdd.equals(akt)) {                return false;            }        }        headerCodePages.put(toAdd, name);        return true;    }    /**     * remove a header code page if it exists.     */    public boolean removeHeaderCodePage(long pageCode) {        Long search = new Long(pageCode);        Enumeration keys = headerCodePages.keys();        while (keys.hasMoreElements()) {            Long akt = (Long) (keys.nextElement());            if (search.equals(akt)) {                headerCodePages.remove(akt);                return true;            }        }        return false;    }    public Vector getAliases() {        return aliases;    }    /**     * add a alias (alternate address of the sender)     */    public boolean addAlias(boolean bearerTypeIncluded,        boolean portNumberIncluded, short bearerType, int portNumber,        String bearerAddressToUse) {        CWSPAddress toAdd = new CWSPAddress(bearerTypeIncluded,                portNumberIncluded, bearerType, portNumber, bearerAddressToUse);        for (int i = 0; i < aliases.size(); i++) {            CWSPAddress search = (CWSPAddress) aliases.elementAt(i);            if (search.equals(toAdd)) {                return false;            }        }        aliases.add(toAdd);        return true;    }    /**     * remove a alias using the values as given     */    public boolean removeAlias(boolean bearerTypeIncluded,        boolean portNumberIncluded, short bearerType, int portNumber,        String bearerAddressToUse) {        CWSPAddress toRemove = new CWSPAddress(bearerTypeIncluded,                portNumberIncluded, bearerType, portNumber, bearerAddressToUse);        for (int i = 0; i < aliases.size(); i++) {            CWSPAddress search = (CWSPAddress) aliases.elementAt(i);            if (search.equals(toRemove)) {                aliases.remove(search);                return true;            }        }        return false;    }    public long getClientMessageSize() {        return clientMessageSize;    }    public void setClientMessageSize(long size) {        clientMessageSize = size;        this.bClientMessageSize = true;    }    public long getServerMessageSize() {        return serverMessageSize;    }    public void setServerMessageSize(long size) {        serverMessageSize = size;        this.bServerMessageSize = true;    }    /**     * encode all capabilities in a byte array     * according to WAP-230-WSP-20010705-a section 8.3 "capability encoding"     *     * @return The encoded bytes     */    public byte[] getBytes() {        BitArrayOutputStream result = new BitArrayOutputStream();        BitArrayOutputStream tmp = new BitArrayOutputStream();        byte[] tmp2;        if (this.bClientSDUSize) {            tmp.write(TYPE_clientSDUSize + 0x80, 8);            tmp.writeUintVar(clientSDUSize);            tmp2 = tmp.toByteArray();            result.writeUintVar(tmp2.length);            result.write(tmp2);        }        if (bServerSDUSize) {            tmp.reset();            tmp.write(TYPE_serverSDUSize + 0x80, 8);            tmp.writeUintVar(serverSDUSize);            tmp2 = tmp.toByteArray();            result.writeUintVar(tmp2.length);            result.write(tmp2);        }        if (bClientMessageSize) {            tmp.reset();            tmp.write(TYPE_clientMessageSize + 0x80, 8);            tmp.writeUintVar(clientMessageSize);            tmp2 = tmp.toByteArray();            result.writeUintVar(tmp2.length);            result.write(tmp2);        }        if (bServerMessageSize) {            tmp.reset();            tmp.write(TYPE_serverMessageSize + 0x80, 8);            tmp.writeUintVar(serverMessageSize);            tmp2 = tmp.toByteArray();            result.writeUintVar(tmp2.length);            result.write(tmp2);        }        if (bProtocolOptions) {            tmp.reset();            tmp.write(TYPE_protocolOptions + 0x80, 8);            tmp.write(protocolOptions, 8);            tmp2 = tmp.toByteArray();            result.writeUintVar(tmp2.length);            result.write(tmp2);        }        if (bMethodMOR) {            tmp.reset();            tmp.write(TYPE_methodMOR + 0x80, 8);            tmp.writeUintVar(methodMOR);            tmp2 = tmp.toByteArray();            result.writeUintVar(tmp2.length);            result.write(tmp2);        }        if (bPushMOR) {            tmp.reset();            tmp.write(TYPE_pushMOR + 0x80, 8);            tmp.writeUintVar(pushMOR);            tmp2 = tmp.toByteArray();            result.writeUintVar(tmp2.length);            result.write(tmp2);        }        if (!extendedMethods.isEmpty()) {            Enumeration keys = extendedMethods.keys();            while (keys.hasMoreElements()) {                tmp.reset();                Object key = keys.nextElement();                tmp.write(TYPE_extendedMethods + 0x80, 8);                tmp.write(((Long) key).longValue(), 8);                String value = (String) (extendedMethods.get(key));                tmp.write(value.getBytes());                tmp.write(0x00, 8);                tmp2 = tmp.toByteArray();                result.writeUintVar(tmp2.length);                result.write(tmp2);            }        }        if (!headerCodePages.isEmpty()) {            Enumeration keys = extendedMethods.keys();            while (keys.hasMoreElements()) {                tmp.reset();                Object key = keys.nextElement();                tmp.write(TYPE_headerCodePages + 0x80, 8);                tmp.write(((Long) key).longValue(), 8);                String value = (String) (extendedMethods.get(key));                tmp.write(value.getBytes());                tmp.write(0x00, 8);                tmp2 = tmp.toByteArray();                result.writeUintVar(tmp2.length);                result.write(tmp2);            }        }        if (!aliases.isEmpty()) {            for (int i = 0; i < aliases.size(); i++) {                tmp.reset();                CWSPAddress address = (CWSPAddress) aliases.elementAt(i);                tmp.write(TYPE_aliases + 0x80, 8);                tmp.write(address.getBytes());                tmp2 = tmp.toByteArray();                result.writeUintVar(tmp2.length);                result.write(tmp2);            }        }        return result.toByteArray();    }    /**     * Test method     *     * @param args ignored     */    public static void main(String[] args) {        CWSPCapabilities c = new CWSPCapabilities();        c.setProtocolOption(OPTION_PUSH_FACILITY, true);        c.setProtocolOption(OPTION_LARGE_DATA_TRANSFER, true);        byte b = c.getProtocolOptions();        System.out.println(BitArrayOutputStream.getBitString(b));    }}