001/**
002 *
003 * Copyright 2003-2005 Jive Software.
004 *
005 * Licensed under the Apache License, Version 2.0 (the "License");
006 * you may not use this file except in compliance with the License.
007 * You may obtain a copy of the License at
008 *
009 *     http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.jivesoftware.smackx.jingle.packet;
018
019import org.jivesoftware.smack.packet.PacketExtension;
020import org.jivesoftware.smackx.jingle.media.ContentInfo;
021
022/**
023 * Jingle content info
024 *
025 * @author Alvaro Saurin <alvaro.saurin@gmail.com>
026 */
027public class JingleContentInfo implements PacketExtension {
028
029    protected ContentInfo mediaInfoElement;
030
031    private String namespace;
032
033    /**
034     * Empty constructor, with no jmf info.
035     */
036    public JingleContentInfo() {
037        this(null);
038    }
039
040    /**
041     * Constructor with a jmf info
042     *
043     * @param mediaInfoElement MediaInfo element
044     */
045    public JingleContentInfo(final ContentInfo mediaInfoElement) {
046        super();
047        this.mediaInfoElement = mediaInfoElement;
048    }
049
050    /**
051     * Get the jmf info element.
052     *
053     * @return the mediaInfoElement
054     */
055    public ContentInfo getMediaInfo() {
056        return mediaInfoElement;
057    }
058
059    /**
060     * Get the element name
061     */
062    public String getElementName() {
063        // Media info is supposed to be just a single-word command...
064        return getMediaInfo().toString();
065    }
066
067    /**
068     * Set the name space.
069     *
070     * @param ns the namespace
071     */
072    protected void setNamespace(final String ns) {
073        namespace = ns;
074    }
075
076    /**
077     * Get the publilc namespace
078     */
079    public String getNamespace() {
080        return namespace;
081    }
082
083    public String toXML() {
084        StringBuilder buf = new StringBuilder();
085        buf.append("<").append(getElementName()).append(" xmlns=\"");
086        buf.append(getNamespace()).append("\" ");
087        buf.append("/>");
088        return buf.toString();
089    }
090
091    /**
092     * Transport part of a Jingle packet.
093     */
094    public static class Audio extends JingleContentInfo {
095
096        public static final String NAMESPACE = "urn:xmpp:tmp:jingle:apps:rtp";
097
098        public Audio(final ContentInfo mi) {
099            super(mi);
100            setNamespace(NAMESPACE);
101        }
102
103        public String getNamespace() {
104            return NAMESPACE;
105        }
106
107        // Subclasses: specialize the Audio jmf info...
108
109        /**
110         * Busy jmf info.
111         */
112        public static class Busy extends Audio {
113            public Busy() {
114                super(ContentInfo.Audio.BUSY);
115            }
116        }
117
118        /**
119         * Hold jmf info.
120         */
121        public static class Hold extends Audio {
122            public Hold() {
123                super(ContentInfo.Audio.HOLD);
124            }
125        }
126
127        /**
128         * Mute jmf info.
129         */
130        public static class Mute extends Audio {
131            public Mute() {
132                super(ContentInfo.Audio.MUTE);
133            }
134        }
135
136        /**
137         * Queued jmf info.
138         */
139        public static class Queued extends Audio {
140            public Queued() {
141                super(ContentInfo.Audio.QUEUED);
142            }
143        }
144
145        /**
146         * Ringing jmf info.
147         */
148        public static class Ringing extends Audio {
149            public Ringing() {
150                super(ContentInfo.Audio.RINGING);
151                        }
152                }
153        }
154}