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1
20
21 package org.jivesoftware.smackx.provider;
22
23 import java.util.ArrayList  ;
24 import java.util.List ;
25
26 import org.jivesoftware.smack.packet.PacketExtension;
27 import org.jivesoftware.smack.provider.PacketExtensionProvider;
28 import org.jivesoftware.smackx.FormField;
29 import org.jivesoftware.smackx.packet.DataForm;
30 import org.xmlpull.v1.XmlPullParser;
31
32
37 public class DataFormProvider implements PacketExtensionProvider {
38
39
43 public DataFormProvider() {
44 }
45
46 public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
47 boolean done = false;
48 StringBuffer buffer = null;
49 DataForm dataForm = new DataForm(parser.getAttributeValue("", "type"));
50 while (!done) {
51 int eventType = parser.next();
52 if (eventType == XmlPullParser.START_TAG) {
53 if (parser.getName().equals("instructions")) {
54 dataForm.addInstruction(parser.nextText());
55 }
56 else if (parser.getName().equals("title")) {
57 dataForm.setTitle(parser.nextText());
58 }
59 else if (parser.getName().equals("field")) {
60 dataForm.addField(parseField(parser));
61 }
62 else if (parser.getName().equals("item")) {
63 dataForm.addItem(parseItem(parser));
64 }
65 else if (parser.getName().equals("reported")) {
66 dataForm.setReportedData(parseReported(parser));
67 }
68 } else if (eventType == XmlPullParser.END_TAG) {
69 if (parser.getName().equals(dataForm.getElementName())) {
70 done = true;
71 }
72 }
73 }
74 return dataForm;
75 }
76
77 private FormField parseField(XmlPullParser parser) throws Exception {
78 boolean done = false;
79 FormField formField = new FormField(parser.getAttributeValue("", "var"));
80 formField.setLabel(parser.getAttributeValue("", "label"));
81 formField.setType(parser.getAttributeValue("", "type"));
82 while (!done) {
83 int eventType = parser.next();
84 if (eventType == XmlPullParser.START_TAG) {
85 if (parser.getName().equals("desc")) {
86 formField.setDescription(parser.nextText());
87 }
88 else if (parser.getName().equals("value")) {
89 formField.addValue(parser.nextText());
90 }
91 else if (parser.getName().equals("required")) {
92 formField.setRequired(true);
93 }
94 else if (parser.getName().equals("option")) {
95 formField.addOption(parseOption(parser));
96 }
97 } else if (eventType == XmlPullParser.END_TAG) {
98 if (parser.getName().equals("field")) {
99 done = true;
100 }
101 }
102 }
103 return formField;
104 }
105
106 private DataForm.Item parseItem(XmlPullParser parser) throws Exception {
107 boolean done = false;
108 List fields = new ArrayList ();
109 while (!done) {
110 int eventType = parser.next();
111 if (eventType == XmlPullParser.START_TAG) {
112 if (parser.getName().equals("field")) {
113 fields.add(parseField(parser));
114 }
115 } else if (eventType == XmlPullParser.END_TAG) {
116 if (parser.getName().equals("item")) {
117 done = true;
118 }
119 }
120 }
121 return new DataForm.Item(fields);
122 }
123
124 private DataForm.ReportedData parseReported(XmlPullParser parser) throws Exception {
125 boolean done = false;
126 List fields = new ArrayList ();
127 while (!done) {
128 int eventType = parser.next();
129 if (eventType == XmlPullParser.START_TAG) {
130 if (parser.getName().equals("field")) {
131 fields.add(parseField(parser));
132 }
133 } else if (eventType == XmlPullParser.END_TAG) {
134 if (parser.getName().equals("reported")) {
135 done = true;
136 }
137 }
138 }
139 return new DataForm.ReportedData(fields);
140 }
141
142 private FormField.Option parseOption(XmlPullParser parser) throws Exception {
143 boolean done = false;
144 FormField.Option option = null;
145 String label = parser.getAttributeValue("", "label");
146 while (!done) {
147 int eventType = parser.next();
148 if (eventType == XmlPullParser.START_TAG) {
149 if (parser.getName().equals("value")) {
150 option = new FormField.Option(label, parser.nextText());
151 }
152 } else if (eventType == XmlPullParser.END_TAG) {
153 if (parser.getName().equals("option")) {
154 done = true;
155 }
156 }
157 }
158 return option;
159 }
160 }
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