PrivacyProvider.java
- /**
- *
- * Copyright the original author or authors
- *
- * 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.privacy.provider;
- import org.jivesoftware.smack.SmackException;
- import org.jivesoftware.smack.provider.IQProvider;
- import org.jivesoftware.smack.util.ParserUtils;
- import org.jivesoftware.smackx.privacy.packet.Privacy;
- import org.jivesoftware.smackx.privacy.packet.PrivacyItem;
- import org.xmlpull.v1.XmlPullParser;
- import org.xmlpull.v1.XmlPullParserException;
- import java.io.IOException;
- import java.util.ArrayList;
- /**
- * The PrivacyProvider parses {@link Privacy} packets. {@link Privacy}
- * Parses the <tt>query</tt> sub-document and creates an instance of {@link Privacy}.
- * For each <tt>item</tt> in the <tt>list</tt> element, it creates an instance
- * of {@link PrivacyItem}.
- *
- * @author Francisco Vives
- */
- public class PrivacyProvider extends IQProvider<Privacy> {
- @Override
- public Privacy parse(XmlPullParser parser, int initialDepth)
- throws XmlPullParserException, IOException, SmackException {
- Privacy privacy = new Privacy();
- boolean done = false;
- while (!done) {
- int eventType = parser.next();
- if (eventType == XmlPullParser.START_TAG) {
- if (parser.getName().equals("active")) {
- String activeName = parser.getAttributeValue("", "name");
- if (activeName == null) {
- privacy.setDeclineActiveList(true);
- } else {
- privacy.setActiveName(activeName);
- }
- }
- else if (parser.getName().equals("default")) {
- String defaultName = parser.getAttributeValue("", "name");
- if (defaultName == null) {
- privacy.setDeclineDefaultList(true);
- } else {
- privacy.setDefaultName(defaultName);
- }
- }
- else if (parser.getName().equals("list")) {
- parseList(parser, privacy);
- }
- }
- else if (eventType == XmlPullParser.END_TAG) {
- if (parser.getName().equals("query")) {
- done = true;
- }
- }
- }
- return privacy;
- }
-
- // Parse the list complex type
- private static void parseList(XmlPullParser parser, Privacy privacy) throws XmlPullParserException, IOException, SmackException {
- boolean done = false;
- String listName = parser.getAttributeValue("", "name");
- ArrayList<PrivacyItem> items = new ArrayList<PrivacyItem>();
- while (!done) {
- int eventType = parser.next();
- if (eventType == XmlPullParser.START_TAG) {
- if (parser.getName().equals("item")) {
- items.add(parseItem(parser));
- }
- }
- else if (eventType == XmlPullParser.END_TAG) {
- if (parser.getName().equals("list")) {
- done = true;
- }
- }
- }
- privacy.setPrivacyList(listName, items);
- }
-
- // Parse the list complex type
- private static PrivacyItem parseItem(XmlPullParser parser) throws XmlPullParserException, IOException, SmackException {
- // Retrieves the required attributes
- String actionValue = parser.getAttributeValue("", "action");
- // Set the order number, this attribute is required
- long order = ParserUtils.getLongAttribute(parser, "order");
- // If type is not set, then it's the fall-through case
- String type = parser.getAttributeValue("", "type");
- /*
- * According the action value it sets the allow status. The fall-through action is assumed
- * to be "allow"
- */
- boolean allow;
- switch (actionValue) {
- case "allow":
- allow = true;
- break;
- case "deny":
- allow = false;
- break;
- default:
- throw new SmackException("Unkown action value '" + actionValue + "'");
- }
- PrivacyItem item;
- if (type != null) {
- // If the type is not null, then we are dealing with a standard privacy item
- String value = parser.getAttributeValue("", "value");
- item = new PrivacyItem(PrivacyItem.Type.valueOf(type), value, allow, order);
- }
- else {
- // If the type is null, then we are dealing with the fall-through privacy item.
- item = new PrivacyItem(allow, order);
- }
- parseItemChildElements(parser, item);
- return item;
- }
- private static void parseItemChildElements(XmlPullParser parser, PrivacyItem privacyItem) throws XmlPullParserException, IOException {
- final int initialDepth = parser.getDepth();
- outerloop: while (true) {
- int eventType = parser.next();
- switch (eventType) {
- case XmlPullParser.START_TAG:
- String name = parser.getName();
- switch (name) {
- case "iq":
- privacyItem.setFilterIQ(true);
- break;
- case "message":
- privacyItem.setFilterMessage(true);
- break;
- case "presence-in":
- privacyItem.setFilterPresenceIn(true);
- break;
- case "presence-out":
- privacyItem.setFilterPresenceOut(true);
- break;
- }
- break;
- case XmlPullParser.END_TAG:
- if (parser.getDepth() == initialDepth) {
- break outerloop;
- }
- }
- }
- }
- }