1d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen/** 2d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * $RCSfile$ 3d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * $Revision$ 4d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * $Date$ 5d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 6d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Copyright 2003-2007 Jive Software. 7d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 8d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); 9d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * you may not use this file except in compliance with the License. 10d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * You may obtain a copy of the License at 11d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 12d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * http://www.apache.org/licenses/LICENSE-2.0 13d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 14d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Unless required by applicable law or agreed to in writing, software 15d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * distributed under the License is distributed on an "AS IS" BASIS, 16d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 17d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * See the License for the specific language governing permissions and 18d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * limitations under the License. 19d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 20d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 21d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenpackage org.jivesoftware.smackx.provider; 22d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 23d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.jivesoftware.smack.packet.PacketExtension; 24d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.jivesoftware.smack.provider.PacketExtensionProvider; 25d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.jivesoftware.smackx.FormField; 26d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.jivesoftware.smackx.packet.DataForm; 27d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport org.xmlpull.v1.XmlPullParser; 28d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 29d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport java.util.ArrayList; 30d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenimport java.util.List; 31d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 32d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen/** 33d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * The DataFormProvider parses DataForm packets. 34d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * 35d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * @author Gaston Dombiak 36d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 37d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chenpublic class DataFormProvider implements PacketExtensionProvider { 38d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 39d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen /** 40d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * Creates a new DataFormProvider. 41d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen * ProviderManager requires that every PacketExtensionProvider has a public, no-argument constructor 42d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen */ 43d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen public DataFormProvider() { 44d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 45d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 46d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen public PacketExtension parseExtension(XmlPullParser parser) throws Exception { 47d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen boolean done = false; 48d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen StringBuilder buffer = null; 49d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen DataForm dataForm = new DataForm(parser.getAttributeValue("", "type")); 50d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen while (!done) { 51d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen int eventType = parser.next(); 52d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (eventType == XmlPullParser.START_TAG) { 53d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("instructions")) { 54d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen dataForm.addInstruction(parser.nextText()); 55d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 56d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen else if (parser.getName().equals("title")) { 57d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen dataForm.setTitle(parser.nextText()); 58d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 59d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen else if (parser.getName().equals("field")) { 60d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen dataForm.addField(parseField(parser)); 61d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 62d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen else if (parser.getName().equals("item")) { 63d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen dataForm.addItem(parseItem(parser)); 64d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 65d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen else if (parser.getName().equals("reported")) { 66d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen dataForm.setReportedData(parseReported(parser)); 67d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 68d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (eventType == XmlPullParser.END_TAG) { 69d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals(dataForm.getElementName())) { 70d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen done = true; 71d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 72d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 73d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 74d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen return dataForm; 75d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 76d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 77d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen private FormField parseField(XmlPullParser parser) throws Exception { 78d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen boolean done = false; 79d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen FormField formField = new FormField(parser.getAttributeValue("", "var")); 80d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen formField.setLabel(parser.getAttributeValue("", "label")); 81d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen formField.setType(parser.getAttributeValue("", "type")); 82d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen while (!done) { 83d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen int eventType = parser.next(); 84d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (eventType == XmlPullParser.START_TAG) { 85d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("desc")) { 86d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen formField.setDescription(parser.nextText()); 87d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 88d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen else if (parser.getName().equals("value")) { 89d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen formField.addValue(parser.nextText()); 90d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 91d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen else if (parser.getName().equals("required")) { 92d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen formField.setRequired(true); 93d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 94d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen else if (parser.getName().equals("option")) { 95d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen formField.addOption(parseOption(parser)); 96d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 97d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (eventType == XmlPullParser.END_TAG) { 98d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("field")) { 99d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen done = true; 100d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 101d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 102d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 103d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen return formField; 104d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 105d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 106d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen private DataForm.Item parseItem(XmlPullParser parser) throws Exception { 107d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen boolean done = false; 108d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen List<FormField> fields = new ArrayList<FormField>(); 109d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen while (!done) { 110d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen int eventType = parser.next(); 111d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (eventType == XmlPullParser.START_TAG) { 112d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("field")) { 113d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen fields.add(parseField(parser)); 114d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 115d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (eventType == XmlPullParser.END_TAG) { 116d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("item")) { 117d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen done = true; 118d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 119d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 120d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 121d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen return new DataForm.Item(fields); 122d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 123d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 124d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen private DataForm.ReportedData parseReported(XmlPullParser parser) throws Exception { 125d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen boolean done = false; 126d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen List<FormField> fields = new ArrayList<FormField>(); 127d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen while (!done) { 128d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen int eventType = parser.next(); 129d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (eventType == XmlPullParser.START_TAG) { 130d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("field")) { 131d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen fields.add(parseField(parser)); 132d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 133d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (eventType == XmlPullParser.END_TAG) { 134d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("reported")) { 135d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen done = true; 136d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 137d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 138d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 139d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen return new DataForm.ReportedData(fields); 140d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 141d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen 142d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen private FormField.Option parseOption(XmlPullParser parser) throws Exception { 143d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen boolean done = false; 144d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen FormField.Option option = null; 145d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen String label = parser.getAttributeValue("", "label"); 146d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen while (!done) { 147d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen int eventType = parser.next(); 148d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (eventType == XmlPullParser.START_TAG) { 149d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("value")) { 150d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen option = new FormField.Option(label, parser.nextText()); 151d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 152d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } else if (eventType == XmlPullParser.END_TAG) { 153d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen if (parser.getName().equals("option")) { 154d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen done = true; 155d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 156d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 157d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 158d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen return option; 159d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen } 160d7955ce24d294fb2014c59d11fca184471056f44Shuyi Chen} 161