Shuyi Chen | d7955ce | 2013-05-22 14:51:55 -0700 | [diff] [blame] | 1 | /** |
| 2 | * $RCSfile$ |
| 3 | * $Revision$ |
| 4 | * $Date$ |
| 5 | * |
| 6 | * Copyright 2003-2007 Jive Software. |
| 7 | * |
| 8 | * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License"); |
| 9 | * you may not use this file except in compliance with the License. |
| 10 | * You may obtain a copy of the License at |
| 11 | * |
| 12 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 13 | * |
| 14 | * Unless required by applicable law or agreed to in writing, software |
| 15 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 16 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 17 | * See the License for the specific language governing permissions and |
| 18 | * limitations under the License. |
| 19 | */ |
| 20 | |
| 21 | package org.jivesoftware.smackx.provider; |
| 22 | |
| 23 | import org.jivesoftware.smack.packet.IQ; |
| 24 | import org.jivesoftware.smack.provider.IQProvider; |
| 25 | import org.jivesoftware.smack.util.StringUtils; |
| 26 | import org.jivesoftware.smackx.packet.VCard; |
| 27 | import org.w3c.dom.*; |
| 28 | import org.xmlpull.v1.XmlPullParser; |
| 29 | import org.xmlpull.v1.XmlPullParserException; |
| 30 | |
| 31 | import javax.xml.parsers.DocumentBuilder; |
| 32 | import javax.xml.parsers.DocumentBuilderFactory; |
| 33 | import java.io.ByteArrayInputStream; |
| 34 | import java.io.IOException; |
| 35 | import java.util.ArrayList; |
| 36 | import java.util.List; |
| 37 | |
| 38 | /** |
| 39 | * vCard provider. |
| 40 | * |
| 41 | * @author Gaston Dombiak |
| 42 | * @author Derek DeMoro |
| 43 | */ |
| 44 | public class VCardProvider implements IQProvider { |
| 45 | |
| 46 | private static final String PREFERRED_ENCODING = "UTF-8"; |
| 47 | |
| 48 | public IQ parseIQ(XmlPullParser parser) throws Exception { |
| 49 | final StringBuilder sb = new StringBuilder(); |
| 50 | try { |
| 51 | int event = parser.getEventType(); |
| 52 | // get the content |
| 53 | while (true) { |
| 54 | switch (event) { |
| 55 | case XmlPullParser.TEXT: |
| 56 | // We must re-escape the xml so that the DOM won't throw an exception |
| 57 | sb.append(StringUtils.escapeForXML(parser.getText())); |
| 58 | break; |
| 59 | case XmlPullParser.START_TAG: |
| 60 | sb.append('<').append(parser.getName()).append('>'); |
| 61 | break; |
| 62 | case XmlPullParser.END_TAG: |
| 63 | sb.append("</").append(parser.getName()).append('>'); |
| 64 | break; |
| 65 | default: |
| 66 | } |
| 67 | |
| 68 | if (event == XmlPullParser.END_TAG && "vCard".equals(parser.getName())) break; |
| 69 | |
| 70 | event = parser.next(); |
| 71 | } |
| 72 | } |
| 73 | catch (XmlPullParserException e) { |
| 74 | e.printStackTrace(); |
| 75 | } |
| 76 | catch (IOException e) { |
| 77 | e.printStackTrace(); |
| 78 | } |
| 79 | |
| 80 | String xmlText = sb.toString(); |
| 81 | return createVCardFromXML(xmlText); |
| 82 | } |
| 83 | |
| 84 | /** |
| 85 | * Builds a users vCard from xml file. |
| 86 | * |
| 87 | * @param xml the xml representing a users vCard. |
| 88 | * @return the VCard. |
| 89 | * @throws Exception if an exception occurs. |
| 90 | */ |
| 91 | public static VCard createVCardFromXML(String xml) throws Exception { |
| 92 | VCard vCard = new VCard(); |
| 93 | |
| 94 | DocumentBuilderFactory documentBuilderFactory = DocumentBuilderFactory.newInstance(); |
| 95 | DocumentBuilder documentBuilder = documentBuilderFactory.newDocumentBuilder(); |
| 96 | Document document = documentBuilder.parse( |
| 97 | new ByteArrayInputStream(xml.getBytes(PREFERRED_ENCODING))); |
| 98 | |
| 99 | new VCardReader(vCard, document).initializeFields(); |
| 100 | return vCard; |
| 101 | } |
| 102 | |
| 103 | private static class VCardReader { |
| 104 | |
| 105 | private final VCard vCard; |
| 106 | private final Document document; |
| 107 | |
| 108 | VCardReader(VCard vCard, Document document) { |
| 109 | this.vCard = vCard; |
| 110 | this.document = document; |
| 111 | } |
| 112 | |
| 113 | public void initializeFields() { |
| 114 | vCard.setFirstName(getTagContents("GIVEN")); |
| 115 | vCard.setLastName(getTagContents("FAMILY")); |
| 116 | vCard.setMiddleName(getTagContents("MIDDLE")); |
| 117 | setupPhoto(); |
| 118 | |
| 119 | setupEmails(); |
| 120 | |
| 121 | vCard.setOrganization(getTagContents("ORGNAME")); |
| 122 | vCard.setOrganizationUnit(getTagContents("ORGUNIT")); |
| 123 | |
| 124 | setupSimpleFields(); |
| 125 | |
| 126 | setupPhones(); |
| 127 | setupAddresses(); |
| 128 | } |
| 129 | |
| 130 | private void setupPhoto() { |
| 131 | String binval = null; |
| 132 | String mimetype = null; |
| 133 | |
| 134 | NodeList photo = document.getElementsByTagName("PHOTO"); |
| 135 | if (photo.getLength() != 1) |
| 136 | return; |
| 137 | |
| 138 | Node photoNode = photo.item(0); |
| 139 | NodeList childNodes = photoNode.getChildNodes(); |
| 140 | |
| 141 | int childNodeCount = childNodes.getLength(); |
| 142 | List<Node> nodes = new ArrayList<Node>(childNodeCount); |
| 143 | for (int i = 0; i < childNodeCount; i++) |
| 144 | nodes.add(childNodes.item(i)); |
| 145 | |
| 146 | String name = null; |
| 147 | String value = null; |
| 148 | for (Node n : nodes) { |
| 149 | name = n.getNodeName(); |
| 150 | value = n.getTextContent(); |
| 151 | if (name.equals("BINVAL")) { |
| 152 | binval = value; |
| 153 | } |
| 154 | else if (name.equals("TYPE")) { |
| 155 | mimetype = value; |
| 156 | } |
| 157 | } |
| 158 | |
| 159 | if (binval == null || mimetype == null) |
| 160 | return; |
| 161 | |
| 162 | vCard.setAvatar(binval, mimetype); |
| 163 | } |
| 164 | |
| 165 | private void setupEmails() { |
| 166 | NodeList nodes = document.getElementsByTagName("USERID"); |
| 167 | if (nodes == null) return; |
| 168 | for (int i = 0; i < nodes.getLength(); i++) { |
| 169 | Element element = (Element) nodes.item(i); |
| 170 | if ("WORK".equals(element.getParentNode().getFirstChild().getNodeName())) { |
| 171 | vCard.setEmailWork(getTextContent(element)); |
| 172 | } |
| 173 | else { |
| 174 | vCard.setEmailHome(getTextContent(element)); |
| 175 | } |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | private void setupPhones() { |
| 180 | NodeList allPhones = document.getElementsByTagName("TEL"); |
| 181 | if (allPhones == null) return; |
| 182 | for (int i = 0; i < allPhones.getLength(); i++) { |
| 183 | NodeList nodes = allPhones.item(i).getChildNodes(); |
| 184 | String type = null; |
| 185 | String code = null; |
| 186 | String value = null; |
| 187 | for (int j = 0; j < nodes.getLength(); j++) { |
| 188 | Node node = nodes.item(j); |
| 189 | if (node.getNodeType() != Node.ELEMENT_NODE) continue; |
| 190 | String nodeName = node.getNodeName(); |
| 191 | if ("NUMBER".equals(nodeName)) { |
| 192 | value = getTextContent(node); |
| 193 | } |
| 194 | else if (isWorkHome(nodeName)) { |
| 195 | type = nodeName; |
| 196 | } |
| 197 | else { |
| 198 | code = nodeName; |
| 199 | } |
| 200 | } |
| 201 | if (code == null || value == null) continue; |
| 202 | if ("HOME".equals(type)) { |
| 203 | vCard.setPhoneHome(code, value); |
| 204 | } |
| 205 | else { // By default, setup work phone |
| 206 | vCard.setPhoneWork(code, value); |
| 207 | } |
| 208 | } |
| 209 | } |
| 210 | |
| 211 | private boolean isWorkHome(String nodeName) { |
| 212 | return "HOME".equals(nodeName) || "WORK".equals(nodeName); |
| 213 | } |
| 214 | |
| 215 | private void setupAddresses() { |
| 216 | NodeList allAddresses = document.getElementsByTagName("ADR"); |
| 217 | if (allAddresses == null) return; |
| 218 | for (int i = 0; i < allAddresses.getLength(); i++) { |
| 219 | Element addressNode = (Element) allAddresses.item(i); |
| 220 | |
| 221 | String type = null; |
| 222 | List<String> code = new ArrayList<String>(); |
| 223 | List<String> value = new ArrayList<String>(); |
| 224 | NodeList childNodes = addressNode.getChildNodes(); |
| 225 | for (int j = 0; j < childNodes.getLength(); j++) { |
| 226 | Node node = childNodes.item(j); |
| 227 | if (node.getNodeType() != Node.ELEMENT_NODE) continue; |
| 228 | String nodeName = node.getNodeName(); |
| 229 | if (isWorkHome(nodeName)) { |
| 230 | type = nodeName; |
| 231 | } |
| 232 | else { |
| 233 | code.add(nodeName); |
| 234 | value.add(getTextContent(node)); |
| 235 | } |
| 236 | } |
| 237 | for (int j = 0; j < value.size(); j++) { |
| 238 | if ("HOME".equals(type)) { |
| 239 | vCard.setAddressFieldHome((String) code.get(j), (String) value.get(j)); |
| 240 | } |
| 241 | else { // By default, setup work address |
| 242 | vCard.setAddressFieldWork((String) code.get(j), (String) value.get(j)); |
| 243 | } |
| 244 | } |
| 245 | } |
| 246 | } |
| 247 | |
| 248 | private String getTagContents(String tag) { |
| 249 | NodeList nodes = document.getElementsByTagName(tag); |
| 250 | if (nodes != null && nodes.getLength() == 1) { |
| 251 | return getTextContent(nodes.item(0)); |
| 252 | } |
| 253 | return null; |
| 254 | } |
| 255 | |
| 256 | private void setupSimpleFields() { |
| 257 | NodeList childNodes = document.getDocumentElement().getChildNodes(); |
| 258 | for (int i = 0; i < childNodes.getLength(); i++) { |
| 259 | Node node = childNodes.item(i); |
| 260 | if (node instanceof Element) { |
| 261 | Element element = (Element) node; |
| 262 | |
| 263 | String field = element.getNodeName(); |
| 264 | if (element.getChildNodes().getLength() == 0) { |
| 265 | vCard.setField(field, ""); |
| 266 | } |
| 267 | else if (element.getChildNodes().getLength() == 1 && |
| 268 | element.getChildNodes().item(0) instanceof Text) { |
| 269 | vCard.setField(field, getTextContent(element)); |
| 270 | } |
| 271 | } |
| 272 | } |
| 273 | } |
| 274 | |
| 275 | private String getTextContent(Node node) { |
| 276 | StringBuilder result = new StringBuilder(); |
| 277 | appendText(result, node); |
| 278 | return result.toString(); |
| 279 | } |
| 280 | |
| 281 | private void appendText(StringBuilder result, Node node) { |
| 282 | NodeList childNodes = node.getChildNodes(); |
| 283 | for (int i = 0; i < childNodes.getLength(); i++) { |
| 284 | Node nd = childNodes.item(i); |
| 285 | String nodeValue = nd.getNodeValue(); |
| 286 | if (nodeValue != null) { |
| 287 | result.append(nodeValue); |
| 288 | } |
| 289 | appendText(result, nd); |
| 290 | } |
| 291 | } |
| 292 | } |
| 293 | } |