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https://codeberg.org/Mercury-IM/Smack
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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@4797 b35dd754-fafc-0310-a699-88a17e54d16e
334 lines
13 KiB
Java
334 lines
13 KiB
Java
/**
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* $RCSfile$
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* $Revision$
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* $Date$
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*
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* Copyright 2003-2004 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;
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import org.jivesoftware.smack.filter.AndFilter;
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import org.jivesoftware.smack.filter.PacketFilter;
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import org.jivesoftware.smack.filter.PacketIDFilter;
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import org.jivesoftware.smack.filter.PacketTypeFilter;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.packet.Registration;
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import org.jivesoftware.smack.util.StringUtils;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Map;
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/**
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* Allows creation and management of accounts on an XMPP server.
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*
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* @see XMPPConnection#getAccountManager()
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* @author Matt Tucker
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*/
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public class AccountManager {
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private XMPPConnection connection;
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private Registration info = null;
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/**
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* Flag that indicates whether the server supports In-Band Registration.
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* In-Band Registration may be advertised as a stream feature. If no stream feature
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* was advertised from the server then try sending an IQ packet to discover if In-Band
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* Registration is available.
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*/
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private boolean accountCreationSupported = false;
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/**
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* Creates a new AccountManager instance.
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*
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* @param connection a connection to a XMPP server.
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*/
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public AccountManager(XMPPConnection connection) {
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this.connection = connection;
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}
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/**
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* Sets whether the server supports In-Band Registration. In-Band Registration may be
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* advertised as a stream feature. If no stream feature was advertised from the server
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* then try sending an IQ packet to discover if In-Band Registration is available.
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*
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* @param accountCreationSupported true if the server supports In-Band Registration.
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*/
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void setSupportsAccountCreation(boolean accountCreationSupported) {
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this.accountCreationSupported = accountCreationSupported;
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}
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/**
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* Returns true if the server supports creating new accounts. Many servers require
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* that you not be currently authenticated when creating new accounts, so the safest
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* behavior is to only create new accounts before having logged in to a server.
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*
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* @return true if the server support creating new accounts.
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*/
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public boolean supportsAccountCreation() {
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// Check if we already know that the server supports creating new accounts
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if (accountCreationSupported) {
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return true;
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}
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// No information is known yet (e.g. no stream feature was received from the server
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// indicating that it supports creating new accounts) so send an IQ packet as a way
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// to discover if this feature is supported
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try {
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if (info == null) {
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getRegistrationInfo();
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accountCreationSupported = info.getType() != IQ.Type.ERROR;
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}
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return accountCreationSupported;
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}
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catch (XMPPException xe) {
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return false;
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}
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}
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/**
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* Returns an unmodifiable collection of the names of the required account attributes.
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* All attributes must be set when creating new accounts. The standard set of possible
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* attributes are as follows: <ul>
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* <li>name -- the user's name.
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* <li>first -- the user's first name.
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* <li>last -- the user's last name.
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* <li>email -- the user's email address.
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* <li>city -- the user's city.
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* <li>state -- the user's state.
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* <li>zip -- the user's ZIP code.
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* <li>phone -- the user's phone number.
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* <li>url -- the user's website.
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* <li>date -- the date the registration took place.
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* <li>misc -- other miscellaneous information to associate with the account.
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* <li>text -- textual information to associate with the account.
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* <li>remove -- empty flag to remove account.
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* </ul><p>
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*
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* Typically, servers require no attributes when creating new accounts, or just
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* the user's email address.
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*
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* @return the required account attributes.
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*/
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public Collection<String> getAccountAttributes() {
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try {
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if (info == null) {
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getRegistrationInfo();
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}
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Map<String, String> attributes = info.getAttributes();
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if (attributes != null) {
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return Collections.unmodifiableSet(attributes.keySet());
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}
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}
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catch (XMPPException xe) {
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xe.printStackTrace();
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}
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return Collections.emptySet();
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}
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/**
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* Returns the value of a given account attribute or <tt>null</tt> if the account
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* attribute wasn't found.
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*
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* @param name the name of the account attribute to return its value.
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* @return the value of the account attribute or <tt>null</tt> if an account
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* attribute wasn't found for the requested name.
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*/
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public String getAccountAttribute(String name) {
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try {
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if (info == null) {
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getRegistrationInfo();
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}
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return info.getAttributes().get(name);
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}
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catch (XMPPException xe) {
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xe.printStackTrace();
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}
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return null;
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}
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/**
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* Returns the instructions for creating a new account, or <tt>null</tt> if there
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* are no instructions. If present, instructions should be displayed to the end-user
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* that will complete the registration process.
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*
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* @return the account creation instructions, or <tt>null</tt> if there are none.
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*/
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public String getAccountInstructions() {
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try {
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if (info == null) {
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getRegistrationInfo();
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}
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return info.getInstructions();
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}
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catch (XMPPException xe) {
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return null;
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}
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}
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/**
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* Creates a new account using the specified username and password. The server may
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* require a number of extra account attributes such as an email address and phone
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* number. In that case, Smack will attempt to automatically set all required
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* attributes with blank values, which may or may not be accepted by the server.
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* Therefore, it's recommended to check the required account attributes and to let
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* the end-user populate them with real values instead.
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*
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* @param username the username.
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* @param password the password.
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* @throws XMPPException if an error occurs creating the account.
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*/
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public void createAccount(String username, String password) throws XMPPException {
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if (!supportsAccountCreation()) {
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throw new XMPPException("Server does not support account creation.");
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}
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// Create a map for all the required attributes, but give them blank values.
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Map<String, String> attributes = new HashMap<String, String>();
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for (String attributeName : getAccountAttributes()) {
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attributes.put(attributeName, "");
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}
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createAccount(username, password, attributes);
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}
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/**
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* Creates a new account using the specified username, password and account attributes.
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* The attributes Map must contain only String name/value pairs and must also have values
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* for all required attributes.
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*
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* @param username the username.
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* @param password the password.
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* @param attributes the account attributes.
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* @throws XMPPException if an error occurs creating the account.
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* @see #getAccountAttributes()
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*/
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public void createAccount(String username, String password, Map<String, String> attributes)
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throws XMPPException
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{
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if (!supportsAccountCreation()) {
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throw new XMPPException("Server does not support account creation.");
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}
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Registration reg = new Registration();
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reg.setType(IQ.Type.SET);
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reg.setTo(connection.getServiceName());
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attributes.put("username",username);
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attributes.put("password",password);
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reg.setAttributes(attributes);
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PacketFilter filter = new AndFilter(new PacketIDFilter(reg.getPacketID()),
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new PacketTypeFilter(IQ.class));
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PacketCollector collector = connection.createPacketCollector(filter);
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connection.sendPacket(reg);
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IQ result = (IQ)collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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// Stop queuing results
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collector.cancel();
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if (result == null) {
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throw new XMPPException("No response from server.");
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}
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else if (result.getType() == IQ.Type.ERROR) {
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throw new XMPPException(result.getError());
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}
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}
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/**
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* Changes the password of the currently logged-in account. This operation can only
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* be performed after a successful login operation has been completed. Not all servers
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* support changing passwords; an XMPPException will be thrown when that is the case.
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*
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* @throws IllegalStateException if not currently logged-in to the server.
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* @throws XMPPException if an error occurs when changing the password.
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*/
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public void changePassword(String newPassword) throws XMPPException {
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Registration reg = new Registration();
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reg.setType(IQ.Type.SET);
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reg.setTo(connection.getServiceName());
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Map<String, String> map = new HashMap<String, String>();
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map.put("username",StringUtils.parseName(connection.getUser()));
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map.put("password",newPassword);
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reg.setAttributes(map);
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PacketFilter filter = new AndFilter(new PacketIDFilter(reg.getPacketID()),
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new PacketTypeFilter(IQ.class));
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PacketCollector collector = connection.createPacketCollector(filter);
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connection.sendPacket(reg);
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IQ result = (IQ)collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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// Stop queuing results
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collector.cancel();
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if (result == null) {
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throw new XMPPException("No response from server.");
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}
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else if (result.getType() == IQ.Type.ERROR) {
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throw new XMPPException(result.getError());
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}
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}
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/**
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* Deletes the currently logged-in account from the server. This operation can only
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* be performed after a successful login operation has been completed. Not all servers
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* support deleting accounts; an XMPPException will be thrown when that is the case.
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*
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* @throws IllegalStateException if not currently logged-in to the server.
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* @throws XMPPException if an error occurs when deleting the account.
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*/
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public void deleteAccount() throws XMPPException {
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if (!connection.isAuthenticated()) {
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throw new IllegalStateException("Must be logged in to delete a account.");
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}
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Registration reg = new Registration();
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reg.setType(IQ.Type.SET);
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reg.setTo(connection.getServiceName());
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Map<String, String> attributes = new HashMap<String, String>();
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// To delete an account, we add a single attribute, "remove", that is blank.
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attributes.put("remove", "");
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reg.setAttributes(attributes);
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PacketFilter filter = new AndFilter(new PacketIDFilter(reg.getPacketID()),
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new PacketTypeFilter(IQ.class));
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PacketCollector collector = connection.createPacketCollector(filter);
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connection.sendPacket(reg);
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IQ result = (IQ)collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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// Stop queuing results
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collector.cancel();
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if (result == null) {
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throw new XMPPException("No response from server.");
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}
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else if (result.getType() == IQ.Type.ERROR) {
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throw new XMPPException(result.getError());
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}
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}
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/**
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* Gets the account registration info from the server.
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*
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* @throws XMPPException if an error occurs.
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*/
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private synchronized void getRegistrationInfo() throws XMPPException {
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Registration reg = new Registration();
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reg.setTo(connection.getServiceName());
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PacketFilter filter = new AndFilter(new PacketIDFilter(reg.getPacketID()),
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new PacketTypeFilter(IQ.class));
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PacketCollector collector = connection.createPacketCollector(filter);
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connection.sendPacket(reg);
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IQ result = (IQ)collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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// Stop queuing results
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collector.cancel();
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if (result == null) {
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throw new XMPPException("No response from server.");
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}
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else if (result.getType() == IQ.Type.ERROR) {
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throw new XMPPException(result.getError());
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}
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else {
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info = (Registration)result;
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}
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}
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} |