1/**
2 * $Revision$
3 * $Date$
4 *
5 * Copyright 2003-2007 Jive Software.
6 *
7 * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 *     http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 */
19
20package org.jivesoftware.smackx.workgroup.ext.notes;
21
22import org.jivesoftware.smack.packet.IQ;
23import org.jivesoftware.smack.provider.IQProvider;
24import org.xmlpull.v1.XmlPullParser;
25
26/**
27 * IQ packet for retrieving and adding Chat Notes.
28 */
29public class ChatNotes extends IQ {
30
31    /**
32     * Element name of the packet extension.
33     */
34    public static final String ELEMENT_NAME = "chat-notes";
35
36    /**
37     * Namespace of the packet extension.
38     */
39    public static final String NAMESPACE = "http://jivesoftware.com/protocol/workgroup";
40
41
42    private String sessionID;
43    private String notes;
44
45    public String getSessionID() {
46        return sessionID;
47    }
48
49    public void setSessionID(String sessionID) {
50        this.sessionID = sessionID;
51    }
52
53    public String getNotes() {
54        return notes;
55    }
56
57    public void setNotes(String notes) {
58        this.notes = notes;
59    }
60
61    public String getChildElementXML() {
62        StringBuilder buf = new StringBuilder();
63
64        buf.append("<").append(ELEMENT_NAME).append(" xmlns=\"").append(NAMESPACE).append("\">");
65        buf.append("<sessionID>").append(getSessionID()).append("</sessionID>");
66
67        if (getNotes() != null) {
68            buf.append("<notes>").append(getNotes()).append("</notes>");
69        }
70        buf.append("</").append(ELEMENT_NAME).append("> ");
71
72        return buf.toString();
73    }
74
75    /**
76     * An IQProvider for ChatNotes packets.
77     *
78     * @author Derek DeMoro
79     */
80    public static class Provider implements IQProvider {
81
82        public Provider() {
83            super();
84        }
85
86        public IQ parseIQ(XmlPullParser parser) throws Exception {
87            ChatNotes chatNotes = new ChatNotes();
88
89            boolean done = false;
90            while (!done) {
91                int eventType = parser.next();
92                if (eventType == XmlPullParser.START_TAG) {
93                    if (parser.getName().equals("sessionID")) {
94                        chatNotes.setSessionID(parser.nextText());
95                    }
96                    else if (parser.getName().equals("text")) {
97                        String note = parser.nextText();
98                        note = note.replaceAll("\\\\n", "\n");
99                        chatNotes.setNotes(note);
100                    }
101                }
102                else if (eventType == XmlPullParser.END_TAG) {
103                    if (parser.getName().equals(ELEMENT_NAME)) {
104                        done = true;
105                    }
106                }
107            }
108
109            return chatNotes;
110        }
111    }
112
113    /**
114     * Replaces all instances of oldString with newString in string.
115     *
116     * @param string    the String to search to perform replacements on
117     * @param oldString the String that should be replaced by newString
118     * @param newString the String that will replace all instances of oldString
119     * @return a String will all instances of oldString replaced by newString
120     */
121    public static final String replace(String string, String oldString, String newString) {
122        if (string == null) {
123            return null;
124        }
125        // If the newString is null or zero length, just return the string since there's nothing
126        // to replace.
127        if (newString == null) {
128            return string;
129        }
130        int i = 0;
131        // Make sure that oldString appears at least once before doing any processing.
132        if ((i = string.indexOf(oldString, i)) >= 0) {
133            // Use char []'s, as they are more efficient to deal with.
134            char[] string2 = string.toCharArray();
135            char[] newString2 = newString.toCharArray();
136            int oLength = oldString.length();
137            StringBuilder buf = new StringBuilder(string2.length);
138            buf.append(string2, 0, i).append(newString2);
139            i += oLength;
140            int j = i;
141            // Replace all remaining instances of oldString with newString.
142            while ((i = string.indexOf(oldString, i)) > 0) {
143                buf.append(string2, j, i - j).append(newString2);
144                i += oLength;
145                j = i;
146            }
147            buf.append(string2, j, string2.length - j);
148            return buf.toString();
149        }
150        return string;
151    }
152}
153
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155
156