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dbac260051
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@9526 b35dd754-fafc-0310-a699-88a17e54d16e
854 lines
26 KiB
Java
854 lines
26 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 2003-2007 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.smackx.packet;
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import org.jivesoftware.smack.PacketCollector;
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import org.jivesoftware.smack.SmackConfiguration;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.XMPPException;
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import org.jivesoftware.smack.filter.PacketIDFilter;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.packet.Packet;
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import org.jivesoftware.smack.packet.XMPPError;
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import org.jivesoftware.smack.util.StringUtils;
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import java.io.BufferedInputStream;
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import java.io.File;
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import java.io.FileInputStream;
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import java.io.IOException;
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import java.lang.reflect.Field;
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import java.lang.reflect.Modifier;
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import java.net.URL;
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import java.security.MessageDigest;
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import java.security.NoSuchAlgorithmException;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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/**
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* A VCard class for use with the
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* <a href="http://www.jivesoftware.org/smack/" target="_blank">SMACK jabber library</a>.<p>
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* <p/>
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* You should refer to the
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* <a href="http://www.jabber.org/jeps/jep-0054.html" target="_blank">JEP-54 documentation</a>.<p>
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* <p/>
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* Please note that this class is incomplete but it does provide the most commonly found
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* information in vCards. Also remember that VCard transfer is not a standard, and the protocol
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* may change or be replaced.<p>
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* <p/>
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* <b>Usage:</b>
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* <pre>
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* <p/>
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* // To save VCard:
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* <p/>
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* VCard vCard = new VCard();
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* vCard.setFirstName("kir");
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* vCard.setLastName("max");
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* vCard.setEmailHome("foo@fee.bar");
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* vCard.setJabberId("jabber@id.org");
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* vCard.setOrganization("Jetbrains, s.r.o");
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* vCard.setNickName("KIR");
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* <p/>
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* vCard.setField("TITLE", "Mr");
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* vCard.setAddressFieldHome("STREET", "Some street");
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* vCard.setAddressFieldWork("CTRY", "US");
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* vCard.setPhoneWork("FAX", "3443233");
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* <p/>
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* vCard.save(connection);
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* <p/>
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* // To load VCard:
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* <p/>
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* VCard vCard = new VCard();
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* vCard.load(conn); // load own VCard
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* vCard.load(conn, "joe@foo.bar"); // load someone's VCard
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* </pre>
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*
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* @author Kirill Maximov (kir@maxkir.com)
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*/
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public class VCard extends IQ {
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/**
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* Phone types:
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* VOICE?, FAX?, PAGER?, MSG?, CELL?, VIDEO?, BBS?, MODEM?, ISDN?, PCS?, PREF?
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*/
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private Map<String, String> homePhones = new HashMap<String, String>();
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private Map<String, String> workPhones = new HashMap<String, String>();
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/**
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* Address types:
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* POSTAL?, PARCEL?, (DOM | INTL)?, PREF?, POBOX?, EXTADR?, STREET?, LOCALITY?,
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* REGION?, PCODE?, CTRY?
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*/
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private Map<String, String> homeAddr = new HashMap<String, String>();
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private Map<String, String> workAddr = new HashMap<String, String>();
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private String firstName;
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private String lastName;
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private String middleName;
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private String emailHome;
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private String emailWork;
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private String organization;
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private String organizationUnit;
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private String avatar;
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/**
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* Such as DESC ROLE GEO etc.. see JEP-0054
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*/
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private Map<String, String> otherSimpleFields = new HashMap<String, String>();
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// fields that, as they are should not be escaped before forwarding to the server
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private Map<String, String> otherUnescapableFields = new HashMap<String, String>();
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public VCard() {
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}
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/**
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* Set generic VCard field.
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*
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* @param field value of field. Possible values: NICKNAME, PHOTO, BDAY, JABBERID, MAILER, TZ,
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* GEO, TITLE, ROLE, LOGO, NOTE, PRODID, REV, SORT-STRING, SOUND, UID, URL, DESC.
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*/
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public String getField(String field) {
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return otherSimpleFields.get(field);
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}
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/**
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* Set generic VCard field.
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*
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* @param value value of field
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* @param field field to set. See {@link #getField(String)}
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* @see #getField(String)
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*/
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public void setField(String field, String value) {
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setField(field, value, false);
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}
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/**
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* Set generic, unescapable VCard field. If unescabale is set to true, XML maybe a part of the
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* value.
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*
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* @param value value of field
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* @param field field to set. See {@link #getField(String)}
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* @param isUnescapable True if the value should not be escaped, and false if it should.
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*/
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public void setField(String field, String value, boolean isUnescapable) {
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if (!isUnescapable) {
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otherSimpleFields.put(field, value);
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}
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else {
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otherUnescapableFields.put(field, value);
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}
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}
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public String getFirstName() {
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return firstName;
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}
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public void setFirstName(String firstName) {
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this.firstName = firstName;
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// Update FN field
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updateFN();
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}
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public String getLastName() {
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return lastName;
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}
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public void setLastName(String lastName) {
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this.lastName = lastName;
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// Update FN field
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updateFN();
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}
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public String getMiddleName() {
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return middleName;
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}
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public void setMiddleName(String middleName) {
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this.middleName = middleName;
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// Update FN field
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updateFN();
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}
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public String getNickName() {
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return otherSimpleFields.get("NICKNAME");
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}
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public void setNickName(String nickName) {
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otherSimpleFields.put("NICKNAME", nickName);
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}
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public String getEmailHome() {
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return emailHome;
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}
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public void setEmailHome(String email) {
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this.emailHome = email;
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}
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public String getEmailWork() {
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return emailWork;
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}
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public void setEmailWork(String emailWork) {
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this.emailWork = emailWork;
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}
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public String getJabberId() {
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return otherSimpleFields.get("JABBERID");
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}
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public void setJabberId(String jabberId) {
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otherSimpleFields.put("JABBERID", jabberId);
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}
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public String getOrganization() {
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return organization;
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}
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public void setOrganization(String organization) {
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this.organization = organization;
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}
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public String getOrganizationUnit() {
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return organizationUnit;
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}
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public void setOrganizationUnit(String organizationUnit) {
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this.organizationUnit = organizationUnit;
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}
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/**
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* Get home address field
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*
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* @param addrField one of POSTAL, PARCEL, (DOM | INTL), PREF, POBOX, EXTADR, STREET,
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* LOCALITY, REGION, PCODE, CTRY
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*/
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public String getAddressFieldHome(String addrField) {
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return homeAddr.get(addrField);
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}
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/**
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* Set home address field
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*
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* @param addrField one of POSTAL, PARCEL, (DOM | INTL), PREF, POBOX, EXTADR, STREET,
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* LOCALITY, REGION, PCODE, CTRY
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*/
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public void setAddressFieldHome(String addrField, String value) {
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homeAddr.put(addrField, value);
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}
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/**
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* Get work address field
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*
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* @param addrField one of POSTAL, PARCEL, (DOM | INTL), PREF, POBOX, EXTADR, STREET,
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* LOCALITY, REGION, PCODE, CTRY
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*/
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public String getAddressFieldWork(String addrField) {
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return workAddr.get(addrField);
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}
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/**
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* Set work address field
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*
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* @param addrField one of POSTAL, PARCEL, (DOM | INTL), PREF, POBOX, EXTADR, STREET,
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* LOCALITY, REGION, PCODE, CTRY
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*/
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public void setAddressFieldWork(String addrField, String value) {
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workAddr.put(addrField, value);
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}
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/**
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* Set home phone number
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*
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* @param phoneType one of VOICE, FAX, PAGER, MSG, CELL, VIDEO, BBS, MODEM, ISDN, PCS, PREF
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* @param phoneNum phone number
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*/
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public void setPhoneHome(String phoneType, String phoneNum) {
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homePhones.put(phoneType, phoneNum);
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}
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/**
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* Get home phone number
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*
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* @param phoneType one of VOICE, FAX, PAGER, MSG, CELL, VIDEO, BBS, MODEM, ISDN, PCS, PREF
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*/
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public String getPhoneHome(String phoneType) {
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return homePhones.get(phoneType);
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}
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/**
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* Set work phone number
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*
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* @param phoneType one of VOICE, FAX, PAGER, MSG, CELL, VIDEO, BBS, MODEM, ISDN, PCS, PREF
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* @param phoneNum phone number
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*/
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public void setPhoneWork(String phoneType, String phoneNum) {
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workPhones.put(phoneType, phoneNum);
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}
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/**
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* Get work phone number
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*
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* @param phoneType one of VOICE, FAX, PAGER, MSG, CELL, VIDEO, BBS, MODEM, ISDN, PCS, PREF
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*/
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public String getPhoneWork(String phoneType) {
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return workPhones.get(phoneType);
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}
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/**
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* Set the avatar for the VCard by specifying the url to the image.
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*
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* @param avatarURL the url to the image(png,jpeg,gif,bmp)
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*/
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public void setAvatar(URL avatarURL) {
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byte[] bytes = new byte[0];
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try {
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bytes = getBytes(avatarURL);
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}
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catch (IOException e) {
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e.printStackTrace();
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}
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setAvatar(bytes);
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}
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/**
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* Specify the bytes for the avatar to use.
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*
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* @param bytes the bytes of the avatar.
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*/
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public void setAvatar(byte[] bytes) {
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if (bytes == null) {
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// Remove avatar (if any) from mappings
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otherUnescapableFields.remove("PHOTO");
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return;
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}
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// Otherwise, add to mappings.
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String encodedImage = StringUtils.encodeBase64(bytes);
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avatar = encodedImage;
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setField("PHOTO", "<TYPE>image/jpeg</TYPE><BINVAL>" + encodedImage + "</BINVAL>", true);
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}
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/**
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* Specify the bytes for the avatar to use as well as the mime type.
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*
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* @param bytes the bytes of the avatar.
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* @param mimeType the mime type of the avatar.
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*/
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public void setAvatar(byte[] bytes, String mimeType) {
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if (bytes == null) {
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// Remove avatar (if any) from mappings
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otherUnescapableFields.remove("PHOTO");
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return;
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}
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// Otherwise, add to mappings.
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String encodedImage = StringUtils.encodeBase64(bytes);
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avatar = encodedImage;
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setField("PHOTO", "<TYPE>" + mimeType + "</TYPE><BINVAL>" + encodedImage + "</BINVAL>", true);
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}
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/**
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* Set the encoded avatar string. This is used by the provider.
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*
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* @param encodedAvatar the encoded avatar string.
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*/
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public void setEncodedImage(String encodedAvatar) {
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//TODO Move VCard and VCardProvider into a vCard package.
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this.avatar = encodedAvatar;
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}
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/**
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* Return the byte representation of the avatar(if one exists), otherwise returns null if
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* no avatar could be found.
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* <b>Example 1</b>
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* <pre>
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* // Load Avatar from VCard
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* byte[] avatarBytes = vCard.getAvatar();
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* <p/>
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* // To create an ImageIcon for Swing applications
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* ImageIcon icon = new ImageIcon(avatar);
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* <p/>
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* // To create just an image object from the bytes
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* ByteArrayInputStream bais = new ByteArrayInputStream(avatar);
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* try {
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* Image image = ImageIO.read(bais);
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* }
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* catch (IOException e) {
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* e.printStackTrace();
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* }
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* </pre>
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*
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* @return byte representation of avatar.
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*/
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public byte[] getAvatar() {
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if (avatar == null) {
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return null;
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}
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return StringUtils.decodeBase64(avatar);
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}
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/**
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* Common code for getting the bytes of a url.
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*
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* @param url the url to read.
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*/
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public static byte[] getBytes(URL url) throws IOException {
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final String path = url.getPath();
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final File file = new File(path);
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if (file.exists()) {
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return getFileBytes(file);
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}
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return null;
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}
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private static byte[] getFileBytes(File file) throws IOException {
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BufferedInputStream bis = null;
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try {
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bis = new BufferedInputStream(new FileInputStream(file));
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int bytes = (int) file.length();
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byte[] buffer = new byte[bytes];
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int readBytes = bis.read(buffer);
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if (readBytes != buffer.length) {
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throw new IOException("Entire file not read");
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}
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return buffer;
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}
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finally {
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if (bis != null) {
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bis.close();
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}
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}
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}
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/**
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* Returns the SHA-1 Hash of the Avatar image.
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*
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* @return the SHA-1 Hash of the Avatar image.
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*/
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public String getAvatarHash() {
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byte[] bytes = getAvatar();
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if (bytes == null) {
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return null;
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}
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MessageDigest digest;
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try {
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digest = MessageDigest.getInstance("SHA-1");
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}
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catch (NoSuchAlgorithmException e) {
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e.printStackTrace();
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return null;
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}
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digest.update(bytes);
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return StringUtils.encodeHex(digest.digest());
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}
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private void updateFN() {
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StringBuilder sb = new StringBuilder();
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if (firstName != null) {
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sb.append(StringUtils.escapeForXML(firstName)).append(' ');
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}
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if (middleName != null) {
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sb.append(StringUtils.escapeForXML(middleName)).append(' ');
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}
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if (lastName != null) {
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sb.append(StringUtils.escapeForXML(lastName));
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}
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setField("FN", sb.toString());
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}
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/**
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* Save this vCard for the user connected by 'connection'. Connection should be authenticated
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* and not anonymous.<p>
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* <p/>
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* NOTE: the method is asynchronous and does not wait for the returned value.
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*
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* @param connection the XMPPConnection to use.
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* @throws XMPPException thrown if there was an issue setting the VCard in the server.
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*/
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public void save(XMPPConnection connection) throws XMPPException {
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checkAuthenticated(connection, true);
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setType(IQ.Type.SET);
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setFrom(connection.getUser());
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PacketCollector collector = connection.createPacketCollector(new PacketIDFilter(getPacketID()));
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connection.sendPacket(this);
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Packet response = collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
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// Cancel the collector.
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collector.cancel();
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if (response == null) {
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throw new XMPPException("No response from server on status set.");
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}
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if (response.getError() != null) {
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throw new XMPPException(response.getError());
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}
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}
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/**
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* Load VCard information for a connected user. Connection should be authenticated
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* and not anonymous.
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*/
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public void load(XMPPConnection connection) throws XMPPException {
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checkAuthenticated(connection, true);
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setFrom(connection.getUser());
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doLoad(connection, connection.getUser());
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}
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/**
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* Load VCard information for a given user. Connection should be authenticated and not anonymous.
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*/
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public void load(XMPPConnection connection, String user) throws XMPPException {
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checkAuthenticated(connection, false);
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setTo(user);
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doLoad(connection, user);
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}
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private void doLoad(XMPPConnection connection, String user) throws XMPPException {
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setType(Type.GET);
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PacketCollector collector = connection.createPacketCollector(
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new PacketIDFilter(getPacketID()));
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connection.sendPacket(this);
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VCard result = null;
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try {
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result = (VCard) collector.nextResult(SmackConfiguration.getPacketReplyTimeout());
|
|
|
|
if (result == null) {
|
|
String errorMessage = "Timeout getting VCard information";
|
|
throw new XMPPException(errorMessage, new XMPPError(
|
|
XMPPError.Condition.request_timeout, errorMessage));
|
|
}
|
|
if (result.getError() != null) {
|
|
throw new XMPPException(result.getError());
|
|
}
|
|
}
|
|
catch (ClassCastException e) {
|
|
System.out.println("No VCard for " + user);
|
|
}
|
|
|
|
copyFieldsFrom(result);
|
|
}
|
|
|
|
public String getChildElementXML() {
|
|
StringBuilder sb = new StringBuilder();
|
|
new VCardWriter(sb).write();
|
|
return sb.toString();
|
|
}
|
|
|
|
private void copyFieldsFrom(VCard result) {
|
|
if (result == null) result = new VCard();
|
|
|
|
Field[] fields = VCard.class.getDeclaredFields();
|
|
for (Field field : fields) {
|
|
if (field.getDeclaringClass() == VCard.class &&
|
|
!Modifier.isFinal(field.getModifiers())) {
|
|
try {
|
|
field.setAccessible(true);
|
|
field.set(this, field.get(result));
|
|
}
|
|
catch (IllegalAccessException e) {
|
|
throw new RuntimeException("This cannot happen:" + field, e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private void checkAuthenticated(XMPPConnection connection, boolean checkForAnonymous) {
|
|
if (connection == null) {
|
|
throw new IllegalArgumentException("No connection was provided");
|
|
}
|
|
if (!connection.isAuthenticated()) {
|
|
throw new IllegalArgumentException("Connection is not authenticated");
|
|
}
|
|
if (checkForAnonymous && connection.isAnonymous()) {
|
|
throw new IllegalArgumentException("Connection cannot be anonymous");
|
|
}
|
|
}
|
|
|
|
private boolean hasContent() {
|
|
//noinspection OverlyComplexBooleanExpression
|
|
return hasNameField()
|
|
|| hasOrganizationFields()
|
|
|| emailHome != null
|
|
|| emailWork != null
|
|
|| otherSimpleFields.size() > 0
|
|
|| otherUnescapableFields.size() > 0
|
|
|| homeAddr.size() > 0
|
|
|| homePhones.size() > 0
|
|
|| workAddr.size() > 0
|
|
|| workPhones.size() > 0
|
|
;
|
|
}
|
|
|
|
private boolean hasNameField() {
|
|
return firstName != null || lastName != null || middleName != null;
|
|
}
|
|
|
|
private boolean hasOrganizationFields() {
|
|
return organization != null || organizationUnit != null;
|
|
}
|
|
|
|
// Used in tests:
|
|
|
|
public boolean equals(Object o) {
|
|
if (this == o) return true;
|
|
if (o == null || getClass() != o.getClass()) return false;
|
|
|
|
final VCard vCard = (VCard) o;
|
|
|
|
if (emailHome != null ? !emailHome.equals(vCard.emailHome) : vCard.emailHome != null) {
|
|
return false;
|
|
}
|
|
if (emailWork != null ? !emailWork.equals(vCard.emailWork) : vCard.emailWork != null) {
|
|
return false;
|
|
}
|
|
if (firstName != null ? !firstName.equals(vCard.firstName) : vCard.firstName != null) {
|
|
return false;
|
|
}
|
|
if (!homeAddr.equals(vCard.homeAddr)) {
|
|
return false;
|
|
}
|
|
if (!homePhones.equals(vCard.homePhones)) {
|
|
return false;
|
|
}
|
|
if (lastName != null ? !lastName.equals(vCard.lastName) : vCard.lastName != null) {
|
|
return false;
|
|
}
|
|
if (middleName != null ? !middleName.equals(vCard.middleName) : vCard.middleName != null) {
|
|
return false;
|
|
}
|
|
if (organization != null ?
|
|
!organization.equals(vCard.organization) : vCard.organization != null) {
|
|
return false;
|
|
}
|
|
if (organizationUnit != null ?
|
|
!organizationUnit.equals(vCard.organizationUnit) : vCard.organizationUnit != null) {
|
|
return false;
|
|
}
|
|
if (!otherSimpleFields.equals(vCard.otherSimpleFields)) {
|
|
return false;
|
|
}
|
|
if (!workAddr.equals(vCard.workAddr)) {
|
|
return false;
|
|
}
|
|
return workPhones.equals(vCard.workPhones);
|
|
|
|
}
|
|
|
|
public int hashCode() {
|
|
int result;
|
|
result = homePhones.hashCode();
|
|
result = 29 * result + workPhones.hashCode();
|
|
result = 29 * result + homeAddr.hashCode();
|
|
result = 29 * result + workAddr.hashCode();
|
|
result = 29 * result + (firstName != null ? firstName.hashCode() : 0);
|
|
result = 29 * result + (lastName != null ? lastName.hashCode() : 0);
|
|
result = 29 * result + (middleName != null ? middleName.hashCode() : 0);
|
|
result = 29 * result + (emailHome != null ? emailHome.hashCode() : 0);
|
|
result = 29 * result + (emailWork != null ? emailWork.hashCode() : 0);
|
|
result = 29 * result + (organization != null ? organization.hashCode() : 0);
|
|
result = 29 * result + (organizationUnit != null ? organizationUnit.hashCode() : 0);
|
|
result = 29 * result + otherSimpleFields.hashCode();
|
|
return result;
|
|
}
|
|
|
|
public String toString() {
|
|
return getChildElementXML();
|
|
}
|
|
|
|
//==============================================================
|
|
|
|
private class VCardWriter {
|
|
|
|
private final StringBuilder sb;
|
|
|
|
VCardWriter(StringBuilder sb) {
|
|
this.sb = sb;
|
|
}
|
|
|
|
public void write() {
|
|
appendTag("vCard", "xmlns", "vcard-temp", hasContent(), new ContentBuilder() {
|
|
public void addTagContent() {
|
|
buildActualContent();
|
|
}
|
|
});
|
|
}
|
|
|
|
private void buildActualContent() {
|
|
if (hasNameField()) {
|
|
appendN();
|
|
}
|
|
|
|
appendOrganization();
|
|
appendGenericFields();
|
|
|
|
appendEmail(emailWork, "WORK");
|
|
appendEmail(emailHome, "HOME");
|
|
|
|
appendPhones(workPhones, "WORK");
|
|
appendPhones(homePhones, "HOME");
|
|
|
|
appendAddress(workAddr, "WORK");
|
|
appendAddress(homeAddr, "HOME");
|
|
}
|
|
|
|
private void appendEmail(final String email, final String type) {
|
|
if (email != null) {
|
|
appendTag("EMAIL", true, new ContentBuilder() {
|
|
public void addTagContent() {
|
|
appendEmptyTag(type);
|
|
appendEmptyTag("INTERNET");
|
|
appendEmptyTag("PREF");
|
|
appendTag("USERID", StringUtils.escapeForXML(email));
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
private void appendPhones(Map<String, String> phones, final String code) {
|
|
Iterator it = phones.entrySet().iterator();
|
|
while (it.hasNext()) {
|
|
final Map.Entry entry = (Map.Entry) it.next();
|
|
appendTag("TEL", true, new ContentBuilder() {
|
|
public void addTagContent() {
|
|
appendEmptyTag(entry.getKey());
|
|
appendEmptyTag(code);
|
|
appendTag("NUMBER", StringUtils.escapeForXML((String) entry.getValue()));
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
private void appendAddress(final Map<String, String> addr, final String code) {
|
|
if (addr.size() > 0) {
|
|
appendTag("ADR", true, new ContentBuilder() {
|
|
public void addTagContent() {
|
|
appendEmptyTag(code);
|
|
|
|
Iterator it = addr.entrySet().iterator();
|
|
while (it.hasNext()) {
|
|
final Map.Entry entry = (Map.Entry) it.next();
|
|
appendTag((String) entry.getKey(), StringUtils.escapeForXML((String) entry.getValue()));
|
|
}
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
private void appendEmptyTag(Object tag) {
|
|
sb.append('<').append(tag).append("/>");
|
|
}
|
|
|
|
private void appendGenericFields() {
|
|
Iterator it = otherSimpleFields.entrySet().iterator();
|
|
while (it.hasNext()) {
|
|
Map.Entry entry = (Map.Entry) it.next();
|
|
appendTag(entry.getKey().toString(),
|
|
StringUtils.escapeForXML((String) entry.getValue()));
|
|
}
|
|
|
|
it = otherUnescapableFields.entrySet().iterator();
|
|
while (it.hasNext()) {
|
|
Map.Entry entry = (Map.Entry) it.next();
|
|
appendTag(entry.getKey().toString(), (String) entry.getValue());
|
|
}
|
|
}
|
|
|
|
private void appendOrganization() {
|
|
if (hasOrganizationFields()) {
|
|
appendTag("ORG", true, new ContentBuilder() {
|
|
public void addTagContent() {
|
|
appendTag("ORGNAME", StringUtils.escapeForXML(organization));
|
|
appendTag("ORGUNIT", StringUtils.escapeForXML(organizationUnit));
|
|
}
|
|
});
|
|
}
|
|
}
|
|
|
|
private void appendN() {
|
|
appendTag("N", true, new ContentBuilder() {
|
|
public void addTagContent() {
|
|
appendTag("FAMILY", StringUtils.escapeForXML(lastName));
|
|
appendTag("GIVEN", StringUtils.escapeForXML(firstName));
|
|
appendTag("MIDDLE", StringUtils.escapeForXML(middleName));
|
|
}
|
|
});
|
|
}
|
|
|
|
private void appendTag(String tag, String attr, String attrValue, boolean hasContent,
|
|
ContentBuilder builder) {
|
|
sb.append('<').append(tag);
|
|
if (attr != null) {
|
|
sb.append(' ').append(attr).append('=').append('\'').append(attrValue).append('\'');
|
|
}
|
|
|
|
if (hasContent) {
|
|
sb.append('>');
|
|
builder.addTagContent();
|
|
sb.append("</").append(tag).append(">\n");
|
|
}
|
|
else {
|
|
sb.append("/>\n");
|
|
}
|
|
}
|
|
|
|
private void appendTag(String tag, boolean hasContent, ContentBuilder builder) {
|
|
appendTag(tag, null, null, hasContent, builder);
|
|
}
|
|
|
|
private void appendTag(String tag, final String tagText) {
|
|
if (tagText == null) return;
|
|
final ContentBuilder contentBuilder = new ContentBuilder() {
|
|
public void addTagContent() {
|
|
sb.append(tagText.trim());
|
|
}
|
|
};
|
|
appendTag(tag, true, contentBuilder);
|
|
}
|
|
|
|
}
|
|
|
|
//==============================================================
|
|
|
|
private interface ContentBuilder {
|
|
|
|
void addTagContent();
|
|
}
|
|
|
|
//==============================================================
|
|
}
|
|
|