| /** |
| * $RCSfile$ |
| * $Revision$ |
| * $Date$ |
| * |
| * Copyright 2003-2007 Jive Software. |
| * |
| * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package org.jivesoftware.smackx.provider; |
| |
| 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; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * 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; |
| StringBuilder 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.addInstruction(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<FormField> fields = new ArrayList<FormField>(); |
| 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<FormField> fields = new ArrayList<FormField>(); |
| 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; |
| } |
| } |