Source Code Cross Referenced for EventHeader.java in  » 6.0-JDK-Modules » j2me » gov » nist » siplite » header » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » gov.nist.siplite.header 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * Portions Copyright  2000-2007 Sun Microsystems, Inc. All Rights
003:         * Reserved.  Use is subject to license terms.
004:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
005:         * 
006:         * This program is free software; you can redistribute it and/or
007:         * modify it under the terms of the GNU General Public License version
008:         * 2 only, as published by the Free Software Foundation.
009:         * 
010:         * This program is distributed in the hope that it will be useful, but
011:         * WITHOUT ANY WARRANTY; without even the implied warranty of
012:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
013:         * General Public License version 2 for more details (a copy is
014:         * included at /legal/license.txt).
015:         * 
016:         * You should have received a copy of the GNU General Public License
017:         * version 2 along with this work; if not, write to the Free Software
018:         * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
019:         * 02110-1301 USA
020:         * 
021:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
022:         * Clara, CA 95054 or visit www.sun.com if you need additional
023:         * information or have any questions.
024:         */
025:        /*
026:         */
027:        package gov.nist.siplite.header;
028:
029:        import gov.nist.core.*;
030:
031:        /**
032:         * Event SIP Header.
033:         *
034:         * @version JAIN-SIP-1.1
035:         *
036:         * <a href="{@docRoot}/uncopyright.html">This code is in the public domain.</a>
037:         *
038:         */
039:        public class EventHeader extends ParametersHeader {
040:            /** Current event header field value. */
041:            protected String eventType;
042:            /** Idientifier label. */
043:            public final static String ID = "id";
044:            /** Event header field label. */
045:            public final static String NAME = Header.EVENT;
046:            /** Class handle. */
047:            public static Class clazz;
048:
049:            static {
050:                clazz = new EventHeader().getClass();
051:            }
052:
053:            /** Creates a new instance of Event */
054:            public EventHeader() {
055:                super (EVENT);
056:            }
057:
058:            /**
059:             * Sets the eventType to the newly supplied eventType string.
060:             *
061:             * @param eventType - the new string defining the eventType supported
062:             * in this EventHeader
063:             * @throws ParseException which signals that an error has been reached
064:             * unexpectedly while parsing the eventType value.
065:             */
066:            public void setEventType(String eventType) throws ParseException {
067:                if (eventType == null)
068:                    throw new NullPointerException(" the eventType is null");
069:                this .eventType = eventType;
070:            }
071:
072:            /**
073:             * Gets the eventType of the EventHeader.
074:             *
075:             * @return the string object identifing the eventType of EventHeader.
076:             */
077:            public String getEventType() {
078:                return eventType;
079:            }
080:
081:            /**
082:             * Sets the id to the newly supplied <var>eventId</var> string.
083:             *
084:             * @param eventId - the new string defining the eventId of this EventHeader
085:             * @throws ParseException which signals that an error has been reached
086:             * unexpectedly while parsing the eventId value.
087:             */
088:            public void setEventId(String eventId) throws ParseException {
089:                if (eventId == null)
090:                    throw new NullPointerException(
091:                            "the eventId parameter is null");
092:                setParameter(ID, eventId);
093:            }
094:
095:            /**
096:             * Gets the id of the EventHeader. This method may return null if the
097:             * "eventId" is not set.
098:             * @return the string object identifing the eventId of EventHeader.
099:             */
100:            public String getEventId() {
101:                return getParameter(ID);
102:            }
103:
104:            /**
105:             * Encode in canonical form.
106:             * @return String
107:             */
108:            public String encodeBody() {
109:                StringBuffer retval = new StringBuffer();
110:
111:                if (eventType != null) {
112:                    retval.append(eventType);
113:                    // retval.append(Separators.SP + eventType + Separators.SP);
114:                }
115:
116:                retval.append(encodeWithSep());
117:
118:                return retval.toString();
119:            }
120:
121:            /**
122:             * Return true if the given event header matches the supplied one.
123:             *
124:             * @param matchTarget -- event header to match against.
125:             * @return true if object matches
126:             */
127:            public boolean match(EventHeader matchTarget) {
128:                if (matchTarget.eventType == null && this .eventType != null)
129:                    return false;
130:                else if (matchTarget.eventType != null
131:                        && this .eventType == null)
132:                    return false;
133:                else if (this .eventType == null
134:                        && matchTarget.eventType == null)
135:                    return false;
136:                else if (getEventId() == null
137:                        && matchTarget.getEventId() != null)
138:                    return false;
139:                else if (getEventId() != null
140:                        && matchTarget.getEventId() == null)
141:                    return false;
142:                return equalsIgnoreCase(matchTarget.eventType, this .eventType)
143:                        && ((this .getEventId() == matchTarget.getEventId()) || equalsIgnoreCase(
144:                                this .getEventId(), matchTarget.getEventId()));
145:            }
146:
147:            /**
148:             * Gets the event header value.
149:             * @return the event header value
150:             */
151:            public Object getValue() {
152:                return this.eventType;
153:            }
154:
155:        }
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