1
0
Fork 0
mirror of https://github.com/vanitasvitae/Smack.git synced 2024-12-23 19:18:00 +01:00
Smack/source/org/jivesoftware/smack/packet/Privacy.java
2007-01-07 23:03:16 +00:00

323 lines
No EOL
11 KiB
Java
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

/**
* $Revision$
* $Date$
*
* Copyright 2006-2007 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.smack.packet;
import java.util.*;
/**
* A Privacy IQ Packet, is used by the {@link org.jivesoftware.smack.PrivacyListManager}
* and {@link org.jivesoftware.smack.provider.PrivacyProvider} to allow and block
* communications from other users. It contains the appropriate structure to suit
* user-defined privacy lists. Different configured Privacy packages are used in the
* Server Manager communication in order to:
* <ul>
* <li>Retrieving one's privacy lists.
* <li>Adding, removing, and editing one's privacy lists.
* <li>Setting, changing, or declining active lists.
* <li>Setting, changing, or declining the default list (i.e., the list that is active by default).
* </ul>
* Privacy Items can handle different kind of blocking communications based on JID, group,
* subscription type or globally {@link PrivacyItem}
*
* @author Francisco Vives
*/
public class Privacy extends IQ {
/** declineActiveList is true when the user declines the use of the active list **/
private boolean declineActiveList=false;
/** activeName is the name associated with the active list set for the session **/
private String activeName;
/** declineDefaultList is true when the user declines the use of the default list **/
private boolean declineDefaultList=false;
/** defaultName is the name of the default list that applies to the user as a whole **/
private String defaultName;
/** itemLists holds the set of privacy items classified in lists. It is a map where the
* key is the name of the list and the value a collection with privacy items. **/
private Map<String, List<PrivacyItem>> itemLists = new HashMap<String, List<PrivacyItem>>();
/**
* Set or update a privacy list with privacy items.
*
* @param listName the name of the new privacy list.
* @param listItem the {@link PrivacyItem} that rules the list.
* @return the privacy List.
*/
public List setPrivacyList(String listName, List<PrivacyItem> listItem) {
// Add new list to the itemLists
this.getItemLists().put(listName, listItem);
return listItem;
}
/**
* Set the active list based on the default list.
*
* @return the active List.
*/
public List<PrivacyItem> setActivePrivacyList() {
this.setActiveName(this.getDefaultName());
return this.getItemLists().get(this.getActiveName());
}
/**
* Deletes an existing privacy list. If the privacy list being deleted was the default list
* then the user will end up with no default list. Therefore, the user will have to set a new
* default list.
*
* @param listName the name of the list being deleted.
*/
public void deletePrivacyList(String listName) {
// Remove the list from the cache
this.getItemLists().remove(listName);
// Check if deleted list was the default list
if (this.getDefaultName() != null && listName.equals(this.getDefaultName())) {
this.setDefaultName(null);
}
}
/**
* Returns the active privacy list or <tt>null</tt> if none was found.
*
* @return list with {@link PrivacyItem} or <tt>null</tt> if none was found.
*/
public List<PrivacyItem> getActivePrivacyList() {
// Check if we have the default list
if (this.getActiveName() == null) {
return null;
} else {
return this.getItemLists().get(this.getActiveName());
}
}
/**
* Returns the default privacy list or <tt>null</tt> if none was found.
*
* @return list with {@link PrivacyItem} or <tt>null</tt> if none was found.
*/
public List<PrivacyItem> getDefaultPrivacyList() {
// Check if we have the default list
if (this.getDefaultName() == null) {
return null;
} else {
return this.getItemLists().get(this.getDefaultName());
}
}
/**
* Returns a specific privacy list.
*
* @param listName the name of the list to get.
* @return a List with {@link PrivacyItem}
*/
public List<PrivacyItem> getPrivacyList(String listName) {
return this.getItemLists().get(listName);
}
/**
* Returns the privacy item in the specified order.
*
* @param listName the name of the privacy list.
* @param order the order of the element.
* @return a List with {@link PrivacyItem}
*/
public PrivacyItem getItem(String listName, int order) {
Iterator<PrivacyItem> values = getPrivacyList(listName).iterator();
PrivacyItem itemFound = null;
while (itemFound == null && values.hasNext()) {
PrivacyItem element = values.next();
if (element.getOrder() == order) {
itemFound = element;
}
}
return itemFound;
}
/**
* Sets a given privacy list as the new user default list.
*
* @param newDefault the new default privacy list.
* @return if the default list was changed.
*/
public boolean changeDefaultList(String newDefault) {
if (this.getItemLists().containsKey(newDefault)) {
this.setDefaultName(newDefault);
return true;
} else {
return false;
}
}
/**
* Remove the list.
*
* @param listName name of the list to remove.
*/
public void deleteList(String listName) {
this.getItemLists().remove(listName);
}
/**
* Returns the name associated with the active list set for the session. Communications
* will be verified against the active list.
*
* @return the name of the active list.
*/
public String getActiveName() {
return activeName;
}
/**
* Sets the name associated with the active list set for the session. Communications
* will be verified against the active list.
*
* @param activeName is the name of the active list.
*/
public void setActiveName(String activeName) {
this.activeName = activeName;
}
/**
* Returns the name of the default list that applies to the user as a whole. Default list is
* processed if there is no active list set for the target session/resource to which a stanza
* is addressed, or if there are no current sessions for the user.
*
* @return the name of the default list.
*/
public String getDefaultName() {
return defaultName;
}
/**
* Sets the name of the default list that applies to the user as a whole. Default list is
* processed if there is no active list set for the target session/resource to which a stanza
* is addressed, or if there are no current sessions for the user.
*
* If there is no default list set, then all Privacy Items are processed.
*
* @param defaultName is the name of the default list.
*/
public void setDefaultName(String defaultName) {
this.defaultName = defaultName;
}
/**
* Returns the collection of privacy list that the user holds. A Privacy List contains a set of
* rules that define if communication with the list owner is allowed or denied.
* Users may have zero, one or more privacy items.
*
* @return a map where the key is the name of the list and the value the
* collection of privacy items.
*/
public Map<String, List<PrivacyItem>> getItemLists() {
return itemLists;
}
/**
* Returns whether the receiver allows or declines the use of an active list.
*
* @return the decline status of the list.
*/
public boolean isDeclineActiveList() {
return declineActiveList;
}
/**
* Sets whether the receiver allows or declines the use of an active list.
*
* @param declineActiveList indicates if the receiver declines the use of an active list.
*/
public void setDeclineActiveList(boolean declineActiveList) {
this.declineActiveList = declineActiveList;
}
/**
* Returns whether the receiver allows or declines the use of a default list.
*
* @return the decline status of the list.
*/
public boolean isDeclineDefaultList() {
return declineDefaultList;
}
/**
* Sets whether the receiver allows or declines the use of a default list.
*
* @param declineDefaultList indicates if the receiver declines the use of a default list.
*/
public void setDeclineDefaultList(boolean declineDefaultList) {
this.declineDefaultList = declineDefaultList;
}
/**
* Returns all the list names the user has defined to group restrictions.
*
* @return a Set with Strings containing every list names.
*/
public Set<String> getPrivacyListNames() {
return this.itemLists.keySet();
}
public String getChildElementXML() {
StringBuffer buf = new StringBuffer();
buf.append("<query xmlns=\"jabber:iq:privacy\">");
// Add the active tag
if (this.isDeclineActiveList()) {
buf.append("<active/>");
} else {
if (this.getActiveName() != null) {
buf.append("<active name=\"").append(this.getActiveName()).append("\"/>");
}
}
// Add the default tag
if (this.isDeclineDefaultList()) {
buf.append("<default/>");
} else {
if (this.getDefaultName() != null) {
buf.append("<default name=\"").append(this.getDefaultName()).append("\"/>");
}
}
// Add the list with their privacy items
for (Map.Entry<String, List<PrivacyItem>> entry : this.getItemLists().entrySet()) {
String listName = entry.getKey();
List<PrivacyItem> items = entry.getValue();
// Begin the list tag
if (items.isEmpty()) {
buf.append("<list name=\"").append(listName).append("\"/>");
} else {
buf.append("<list name=\"").append(listName).append("\">");
}
for (PrivacyItem item : items) {
// Append the item xml representation
buf.append(item.toXML());
}
// Close the list tag
if (!items.isEmpty()) {
buf.append("</list>");
}
}
// Add packet extensions, if any are defined.
buf.append(getExtensionsXML());
buf.append("</query>");
return buf.toString();
}
}