Source Code Cross Referenced for HeaderSetImpl.java in  » 6.0-JDK-Modules » j2me » com » sun » kvem » jsr082 » obex » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » com.sun.kvem.jsr082.obex 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         *
003:         *
004:         * Copyright  1990-2007 Sun Microsystems, Inc. All Rights Reserved.
005:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
006:         * 
007:         * This program is free software; you can redistribute it and/or
008:         * modify it under the terms of the GNU General Public License version
009:         * 2 only, as published by the Free Software Foundation.
010:         * 
011:         * This program is distributed in the hope that it will be useful, but
012:         * WITHOUT ANY WARRANTY; without even the implied warranty of
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
014:         * General Public License version 2 for more details (a copy is
015:         * included at /legal/license.txt).
016:         * 
017:         * You should have received a copy of the GNU General Public License
018:         * version 2 along with this work; if not, write to the Free Software
019:         * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
020:         * 02110-1301 USA
021:         * 
022:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
023:         * Clara, CA 95054 or visit www.sun.com if you need additional
024:         * information or have any questions.
025:         */
026:        package com.sun.kvem.jsr082.obex;
027:
028:        import javax.obex.HeaderSet;
029:        import java.io.IOException;
030:        import java.util.Hashtable;
031:        import java.util.Enumeration;
032:        import java.util.Calendar;
033:        import java.util.Vector;
034:
035:        public class HeaderSetImpl implements  HeaderSet {
036:
037:            /** Debug information, should be false for RR. */
038:            private static final boolean DEBUG = false;
039:
040:            public static final int OWNER_SERVER = 1;
041:            public static final int OWNER_CLIENT = 2;
042:            public static final int OWNER_SERVER_USER = 3;
043:            public static final int OWNER_CLIENT_USER = 4;
044:
045:            static final int TYPE_UNICODE = 0;
046:            static final int TYPE_BYTEARRAY = 1;
047:            static final int TYPE_BYTE = 2;
048:            static final int TYPE_LONG = 3;
049:            static final int TYPE_SPECIAL_TIME_4 = 4;
050:            static final int TYPE_SPECIAL_TIME_ISO = 5;
051:            static final int TYPE_SPECIAL_TYPE = 6;
052:            static final int TYPE_UNSUPPORTED = 7;
053:            static final int TYPE_AUTH_CHALLENGE = 8;
054:            static final int TYPE_AUTH_RESPONSE = 9;
055:
056:            /* package protected */int owner;
057:            /* package protected */int packetType;
058:
059:            private Hashtable headers;
060:            Vector challenges = new Vector();
061:
062:            public HeaderSetImpl(int owner) {
063:                this .owner = owner;
064:                headers = new Hashtable(5);
065:            }
066:
067:            /**
068:             * Adds headers from h to this HeaderSet.
069:             */
070:            void merge(HeaderSetImpl h) {
071:                int[] idList = h.getHeaderList();
072:
073:                if (idList == null) {
074:                    return;
075:                }
076:
077:                for (int i = 0; i < idList.length; i++) {
078:                    int id = idList[i];
079:                    Object val = h.getHeader(id);
080:                    int type = internalType(id);
081:                    switch (type) {
082:                    case TYPE_UNICODE:
083:                    case TYPE_BYTE:
084:                    case TYPE_LONG:
085:                    case TYPE_SPECIAL_TYPE:
086:                        setHeader(id, val);
087:                        break;
088:
089:                    case TYPE_BYTEARRAY:
090:                        byte[] array = (byte[]) val;
091:                        byte[] copy = new byte[array.length];
092:                        System.arraycopy(array, 0, copy, 0, array.length);
093:                        setHeader(id, (Object) copy);
094:                        break;
095:
096:                    case TYPE_SPECIAL_TIME_4:
097:                    case TYPE_SPECIAL_TIME_ISO:
098:                        Calendar cal = (Calendar) val;
099:                        Calendar calCopy = Calendar.getInstance();
100:                        calCopy.setTime(cal.getTime());
101:                        setHeader(id, (Object) calCopy);
102:                        break;
103:
104:                    default:
105:                        // no default
106:                        if (DEBUG) {
107:                            System.out.println("Debug: unknown header id");
108:                        }
109:                    }
110:                }
111:            }
112:
113:            /**
114:             * Makes private copy of the headers.
115:             */
116:            HeaderSetImpl(HeaderSetImpl h) {
117:                this .packetType = h.packetType;
118:                this .owner = h.owner;
119:                headers = new Hashtable(5);
120:                merge(h);
121:            }
122:
123:            boolean isSendable() {
124:                return owner >= OWNER_SERVER_USER;
125:            }
126:
127:            // interface functions:
128:            public void createAuthenticationChallenge(java.lang.String realm,
129:                    boolean userID, boolean access) {
130:
131:                ObexAuth auth = ObexAuth.createChallenge(realm, userID, access);
132:                challenges.addElement(auth);
133:            }
134:
135:            public Object getHeader(int headerID) {
136:                Object value = headers.get(new Integer(headerID));
137:
138:                if (value != null) {
139:                    return value;
140:                }
141:
142:                // check validness of headerID
143:                int type = internalType(headerID);
144:
145:                if (type >= TYPE_UNSUPPORTED) {
146:                    throw new IllegalArgumentException("bad header id");
147:                }
148:                return null;
149:            }
150:
151:            public int[] getHeaderList() {
152:                synchronized (headers) {
153:                    if (headers.isEmpty()) {
154:                        return null;
155:                    }
156:                    Enumeration keys = headers.keys();
157:                    int[] ids = new int[headers.size()];
158:                    int i = 0;
159:
160:                    while (keys.hasMoreElements()) {
161:                        Object obj = keys.nextElement();
162:                        ids[i++] = ((Integer) obj).intValue();
163:                    }
164:                    return ids;
165:                }
166:            }
167:
168:            public int getResponseCode() throws IOException {
169:                if (owner != OWNER_CLIENT) {
170:                    throw new IOException("invalid use");
171:                }
172:                if (packetType == ObexPacketStream.OPCODE_CONTINUE) {
173:                    throw new IOException("operation not finished");
174:                }
175:                return packetType;
176:            }
177:
178:            public void setHeader(int headerID, Object headerValue) {
179:                int type = internalType(headerID);
180:                String errormsg = "incompatible header object";
181:
182:                if (type >= TYPE_UNSUPPORTED) {
183:                    throw new IllegalArgumentException("bad header id");
184:                }
185:
186:                if (headerValue == null) {
187:                    synchronized (headers) {
188:                        headers.remove(new Integer(headerID));
189:                    }
190:                    return;
191:                }
192:
193:                boolean fail = false;
194:                switch (type) {
195:                case TYPE_UNICODE:
196:                    if (!(headerValue instanceof  String))
197:                        fail = true;
198:                    break;
199:
200:                case TYPE_BYTEARRAY:
201:                    if (!(headerValue instanceof  byte[]))
202:                        fail = true;
203:                    break;
204:
205:                case TYPE_BYTE:
206:                    if (!(headerValue instanceof  Byte))
207:                        fail = true;
208:                    break;
209:
210:                case TYPE_LONG:
211:                    if (!(headerValue instanceof  Long)) {
212:                        fail = true;
213:                        break;
214:                    }
215:                    long value = ((Long) headerValue).longValue();
216:
217:                    if (value < 0L || value > 0xFFFFFFFFL) {
218:                        errormsg = "long value out of range 0 .. 0xFFFFFFFF";
219:                        fail = true;
220:                    }
221:                    break;
222:
223:                case TYPE_SPECIAL_TIME_4:
224:                    if (!(headerValue instanceof  Calendar))
225:                        fail = true;
226:                    break;
227:
228:                case TYPE_SPECIAL_TIME_ISO:
229:                    if (!(headerValue instanceof  Calendar))
230:                        fail = true;
231:                    break;
232:
233:                case TYPE_SPECIAL_TYPE:
234:                    if (!(headerValue instanceof  String))
235:                        fail = true;
236:                    break;
237:                // no default
238:                }
239:
240:                if (fail) {
241:                    throw new IllegalArgumentException(errormsg);
242:                }
243:                synchronized (headers) {
244:                    headers.put(new Integer(headerID), headerValue);
245:                }
246:            }
247:
248:            static final int internalType(int headerID) {
249:                if ((headerID & ~0xFF) != 0) {
250:                    return TYPE_UNSUPPORTED;
251:                }
252:                if ((headerID & 0x30) == 0x30) {
253:                    // user defined
254:                    return headerID >> 6;
255:                }
256:
257:                switch (headerID) {
258:                case HeaderSet.TIME_ISO_8601:
259:                    return TYPE_SPECIAL_TIME_ISO;
260:
261:                case HeaderSet.TIME_4_BYTE:
262:                    return TYPE_SPECIAL_TIME_4;
263:
264:                case HeaderSet.TYPE:
265:                    return TYPE_SPECIAL_TYPE;
266:
267:                case HeaderSet.COUNT:
268:                case HeaderSet.LENGTH:
269:                    return TYPE_LONG;
270:
271:                case HeaderSet.NAME:
272:                case HeaderSet.DESCRIPTION:
273:                    return TYPE_UNICODE;
274:
275:                case HeaderSet.TARGET:
276:                case HeaderSet.HTTP:
277:                case HeaderSet.WHO:
278:                case HeaderSet.OBJECT_CLASS:
279:                case HeaderSet.APPLICATION_PARAMETER:
280:                    return TYPE_BYTEARRAY;
281:
282:                case ObexPacketStream.HEADER_AUTH_CHALLENGE:
283:                    return TYPE_AUTH_CHALLENGE;
284:
285:                case ObexPacketStream.HEADER_AUTH_RESPONSE:
286:                    return TYPE_AUTH_RESPONSE;
287:
288:                default:
289:                    return TYPE_UNSUPPORTED;
290:                }
291:            }
292:        }
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