323 lines
11 KiB
Java
323 lines
11 KiB
Java
/**
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* $Revision$
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* $Date$
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*
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* Copyright 2006-2007 Jive Software.
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*
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* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.packet;
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import java.util.*;
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/**
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* A Privacy IQ Packet, is used by the {@link org.jivesoftware.smack.PrivacyListManager}
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* and {@link org.jivesoftware.smack.provider.PrivacyProvider} to allow and block
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* communications from other users. It contains the appropriate structure to suit
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* user-defined privacy lists. Different configured Privacy packages are used in the
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* Server – Manager communication in order to:
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* <ul>
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* <li>Retrieving one's privacy lists.
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* <li>Adding, removing, and editing one's privacy lists.
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* <li>Setting, changing, or declining active lists.
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* <li>Setting, changing, or declining the default list (i.e., the list that is active by default).
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* </ul>
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* Privacy Items can handle different kind of blocking communications based on JID, group,
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* subscription type or globally {@link PrivacyItem}
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*
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* @author Francisco Vives
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*/
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public class Privacy extends IQ {
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/** declineActiveList is true when the user declines the use of the active list **/
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private boolean declineActiveList=false;
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/** activeName is the name associated with the active list set for the session **/
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private String activeName;
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/** declineDefaultList is true when the user declines the use of the default list **/
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private boolean declineDefaultList=false;
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/** defaultName is the name of the default list that applies to the user as a whole **/
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private String defaultName;
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/** itemLists holds the set of privacy items classified in lists. It is a map where the
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* key is the name of the list and the value a collection with privacy items. **/
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private Map<String, List<PrivacyItem>> itemLists = new HashMap<String, List<PrivacyItem>>();
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/**
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* Set or update a privacy list with privacy items.
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*
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* @param listName the name of the new privacy list.
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* @param listItem the {@link PrivacyItem} that rules the list.
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* @return the privacy List.
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*/
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public List setPrivacyList(String listName, List<PrivacyItem> listItem) {
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// Add new list to the itemLists
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this.getItemLists().put(listName, listItem);
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return listItem;
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}
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/**
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* Set the active list based on the default list.
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*
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* @return the active List.
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*/
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public List<PrivacyItem> setActivePrivacyList() {
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this.setActiveName(this.getDefaultName());
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return this.getItemLists().get(this.getActiveName());
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}
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/**
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* Deletes an existing privacy list. If the privacy list being deleted was the default list
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* then the user will end up with no default list. Therefore, the user will have to set a new
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* default list.
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*
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* @param listName the name of the list being deleted.
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*/
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public void deletePrivacyList(String listName) {
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// Remove the list from the cache
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this.getItemLists().remove(listName);
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// Check if deleted list was the default list
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if (this.getDefaultName() != null && listName.equals(this.getDefaultName())) {
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this.setDefaultName(null);
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}
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}
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/**
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* Returns the active privacy list or <tt>null</tt> if none was found.
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*
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* @return list with {@link PrivacyItem} or <tt>null</tt> if none was found.
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*/
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public List<PrivacyItem> getActivePrivacyList() {
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// Check if we have the default list
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if (this.getActiveName() == null) {
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return null;
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} else {
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return this.getItemLists().get(this.getActiveName());
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}
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}
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/**
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* Returns the default privacy list or <tt>null</tt> if none was found.
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*
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* @return list with {@link PrivacyItem} or <tt>null</tt> if none was found.
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*/
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public List<PrivacyItem> getDefaultPrivacyList() {
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// Check if we have the default list
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if (this.getDefaultName() == null) {
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return null;
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} else {
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return this.getItemLists().get(this.getDefaultName());
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}
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}
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/**
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* Returns a specific privacy list.
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*
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* @param listName the name of the list to get.
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* @return a List with {@link PrivacyItem}
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*/
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public List<PrivacyItem> getPrivacyList(String listName) {
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return this.getItemLists().get(listName);
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}
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/**
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* Returns the privacy item in the specified order.
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*
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* @param listName the name of the privacy list.
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* @param order the order of the element.
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* @return a List with {@link PrivacyItem}
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*/
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public PrivacyItem getItem(String listName, int order) {
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Iterator<PrivacyItem> values = getPrivacyList(listName).iterator();
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PrivacyItem itemFound = null;
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while (itemFound == null && values.hasNext()) {
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PrivacyItem element = values.next();
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if (element.getOrder() == order) {
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itemFound = element;
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}
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}
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return itemFound;
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}
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/**
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* Sets a given privacy list as the new user default list.
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*
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* @param newDefault the new default privacy list.
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* @return if the default list was changed.
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*/
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public boolean changeDefaultList(String newDefault) {
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if (this.getItemLists().containsKey(newDefault)) {
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this.setDefaultName(newDefault);
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return true;
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} else {
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return false;
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}
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}
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/**
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* Remove the list.
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*
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* @param listName name of the list to remove.
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*/
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public void deleteList(String listName) {
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this.getItemLists().remove(listName);
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}
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/**
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* Returns the name associated with the active list set for the session. Communications
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* will be verified against the active list.
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*
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* @return the name of the active list.
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*/
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public String getActiveName() {
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return activeName;
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}
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/**
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* Sets the name associated with the active list set for the session. Communications
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* will be verified against the active list.
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*
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* @param activeName is the name of the active list.
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*/
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public void setActiveName(String activeName) {
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this.activeName = activeName;
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}
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/**
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* Returns the name of the default list that applies to the user as a whole. Default list is
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* processed if there is no active list set for the target session/resource to which a stanza
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* is addressed, or if there are no current sessions for the user.
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*
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* @return the name of the default list.
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*/
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public String getDefaultName() {
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return defaultName;
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}
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/**
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* Sets the name of the default list that applies to the user as a whole. Default list is
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* processed if there is no active list set for the target session/resource to which a stanza
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* is addressed, or if there are no current sessions for the user.
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*
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* If there is no default list set, then all Privacy Items are processed.
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*
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* @param defaultName is the name of the default list.
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*/
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public void setDefaultName(String defaultName) {
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this.defaultName = defaultName;
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}
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/**
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* Returns the collection of privacy list that the user holds. A Privacy List contains a set of
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* rules that define if communication with the list owner is allowed or denied.
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* Users may have zero, one or more privacy items.
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*
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* @return a map where the key is the name of the list and the value the
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* collection of privacy items.
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*/
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public Map<String, List<PrivacyItem>> getItemLists() {
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return itemLists;
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}
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/**
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* Returns whether the receiver allows or declines the use of an active list.
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*
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* @return the decline status of the list.
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*/
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public boolean isDeclineActiveList() {
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return declineActiveList;
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}
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/**
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* Sets whether the receiver allows or declines the use of an active list.
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*
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* @param declineActiveList indicates if the receiver declines the use of an active list.
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*/
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public void setDeclineActiveList(boolean declineActiveList) {
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this.declineActiveList = declineActiveList;
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}
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/**
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* Returns whether the receiver allows or declines the use of a default list.
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*
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* @return the decline status of the list.
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*/
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public boolean isDeclineDefaultList() {
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return declineDefaultList;
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}
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/**
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* Sets whether the receiver allows or declines the use of a default list.
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*
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* @param declineDefaultList indicates if the receiver declines the use of a default list.
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*/
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public void setDeclineDefaultList(boolean declineDefaultList) {
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this.declineDefaultList = declineDefaultList;
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}
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/**
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* Returns all the list names the user has defined to group restrictions.
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*
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* @return a Set with Strings containing every list names.
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*/
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public Set<String> getPrivacyListNames() {
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return this.itemLists.keySet();
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}
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public String getChildElementXML() {
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StringBuffer buf = new StringBuffer();
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buf.append("<query xmlns=\"jabber:iq:privacy\">");
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// Add the active tag
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if (this.isDeclineActiveList()) {
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buf.append("<active/>");
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} else {
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if (this.getActiveName() != null) {
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buf.append("<active name=\"").append(this.getActiveName()).append("\"/>");
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}
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}
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// Add the default tag
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if (this.isDeclineDefaultList()) {
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buf.append("<default/>");
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} else {
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if (this.getDefaultName() != null) {
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buf.append("<default name=\"").append(this.getDefaultName()).append("\"/>");
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}
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}
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// Add the list with their privacy items
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for (Map.Entry<String, List<PrivacyItem>> entry : this.getItemLists().entrySet()) {
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String listName = entry.getKey();
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List<PrivacyItem> items = entry.getValue();
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// Begin the list tag
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if (items.isEmpty()) {
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buf.append("<list name=\"").append(listName).append("\"/>");
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} else {
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buf.append("<list name=\"").append(listName).append("\">");
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}
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for (PrivacyItem item : items) {
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// Append the item xml representation
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buf.append(item.toXML());
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}
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// Close the list tag
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if (!items.isEmpty()) {
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buf.append("</list>");
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}
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}
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// Add packet extensions, if any are defined.
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buf.append(getExtensionsXML());
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buf.append("</query>");
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return buf.toString();
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}
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} |