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Smack/source/org/jivesoftware/smackx/provider/DataFormProvider.java
2004-04-05 16:22:52 +00:00

192 lines
7.6 KiB
Java

/**
* $RCSfile$
* $Revision$
* $Date$
*
* Copyright (C) 2002-2003 Jive Software. All rights reserved.
* ====================================================================
* The Jive Software License (based on Apache Software License, Version 1.1)
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution,
* if any, must include the following acknowledgment:
* "This product includes software developed by
* Jive Software (http://www.jivesoftware.com)."
* Alternately, this acknowledgment may appear in the software itself,
* if and wherever such third-party acknowledgments normally appear.
*
* 4. The names "Smack" and "Jive Software" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please
* contact webmaster@jivesoftware.com.
*
* 5. Products derived from this software may not be called "Smack",
* nor may "Smack" appear in their name, without prior written
* permission of Jive Software.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL JIVE SOFTWARE OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*/
package org.jivesoftware.smackx.provider;
import java.util.ArrayList;
import java.util.List;
import org.jivesoftware.smack.packet.PacketExtension;
import org.jivesoftware.smack.provider.PacketExtensionProvider;
import org.jivesoftware.smackx.FormField;
import org.jivesoftware.smackx.packet.DataForm;
import org.xmlpull.v1.XmlPullParser;
/**
* The DataFormProvider parses DataForm packets.
*
* @author Gaston Dombiak
*/
public class DataFormProvider implements PacketExtensionProvider {
/**
* Creates a new DataFormProvider.
* ProviderManager requires that every PacketExtensionProvider has a public, no-argument constructor
*/
public DataFormProvider() {
}
public PacketExtension parseExtension(XmlPullParser parser) throws Exception {
boolean done = false;
StringBuffer buffer = null;
DataForm dataForm = new DataForm(parser.getAttributeValue("", "type"));
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals("instructions")) {
dataForm.setInstructions(parser.nextText());
}
else if (parser.getName().equals("title")) {
dataForm.setTitle(parser.nextText());
}
else if (parser.getName().equals("field")) {
dataForm.addField(parseField(parser));
}
else if (parser.getName().equals("item")) {
dataForm.addItem(parseItem(parser));
}
else if (parser.getName().equals("reported")) {
dataForm.setReportedData(parseReported(parser));
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals(dataForm.getElementName())) {
done = true;
}
}
}
return dataForm;
}
private FormField parseField(XmlPullParser parser) throws Exception {
boolean done = false;
FormField formField = new FormField(parser.getAttributeValue("", "var"));
formField.setLabel(parser.getAttributeValue("", "label"));
formField.setType(parser.getAttributeValue("", "type"));
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals("desc")) {
formField.setDescription(parser.nextText());
}
else if (parser.getName().equals("value")) {
formField.addValue(parser.nextText());
}
else if (parser.getName().equals("required")) {
formField.setRequired(true);
}
else if (parser.getName().equals("option")) {
formField.addOption(parseOption(parser));
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("field")) {
done = true;
}
}
}
return formField;
}
private DataForm.Item parseItem(XmlPullParser parser) throws Exception {
boolean done = false;
List fields = new ArrayList();
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals("field")) {
fields.add(parseField(parser));
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("item")) {
done = true;
}
}
}
return new DataForm.Item(fields);
}
private DataForm.ReportedData parseReported(XmlPullParser parser) throws Exception {
boolean done = false;
List fields = new ArrayList();
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals("field")) {
fields.add(parseField(parser));
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("reported")) {
done = true;
}
}
}
return new DataForm.ReportedData(fields);
}
private FormField.Option parseOption(XmlPullParser parser) throws Exception {
boolean done = false;
FormField.Option option = null;
String label = parser.getAttributeValue("", "label");
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
if (parser.getName().equals("value")) {
option = new FormField.Option(label, parser.nextText());
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("option")) {
done = true;
}
}
}
return option;
}
}