818 lines
25 KiB
Java
818 lines
25 KiB
Java
/**
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*
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* Copyright 2003-2007 Jive Software.
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*
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* 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.vcardtemp.packet;
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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.Map;
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import java.util.Map.Entry;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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import org.jivesoftware.smack.SmackException.NoResponseException;
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import org.jivesoftware.smack.SmackException.NotConnectedException;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.XMPPException.XMPPErrorException;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.util.StringUtils;
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import org.jivesoftware.smack.util.stringencoder.Base64;
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import org.jivesoftware.smackx.vcardtemp.VCardManager;
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import org.jxmpp.jid.EntityBareJid;
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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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*
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* You should refer to the
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* <a href="http://www.xmpp.org/extensions/jep-0054.html" target="_blank">XEP-54 documentation</a>.<p>
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*
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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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*
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* <b>Usage:</b>
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* <pre>
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*
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* // To save VCard:
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*
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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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*
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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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*
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* vCard.save(connection);
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*
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* // To load VCard:
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*
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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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public static final String ELEMENT = "vCard";
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public static final String NAMESPACE = "vcard-temp";
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private static final Logger LOGGER = Logger.getLogger(VCard.class.getName());
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private static final String DEFAULT_MIME_TYPE = "image/jpeg";
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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 final Map<String, String> homePhones = new HashMap<>();
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private final Map<String, String> workPhones = new HashMap<>();
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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 final Map<String, String> homeAddr = new HashMap<>();
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private final Map<String, String> workAddr = new HashMap<>();
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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 prefix;
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private String suffix;
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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 photoMimeType;
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private String photoBinval;
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/**
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* Such as DESC ROLE GEO etc.. see XEP-0054
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*/
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private final Map<String, String> otherSimpleFields = new HashMap<>();
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// fields that, as they are should not be escaped before forwarding to the server
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private final Map<String, String> otherUnescapableFields = new HashMap<>();
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public VCard() {
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super(ELEMENT, NAMESPACE);
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}
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/**
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* Get the content of a 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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* @return content of field.
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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 unescapable 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 getPrefix() {
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return prefix;
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}
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public void setPrefix(String prefix) {
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this.prefix = prefix;
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updateFN();
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}
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public String getSuffix() {
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return suffix;
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}
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public void setSuffix(String suffix) {
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this.suffix = suffix;
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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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* @return content of home address field.
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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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* @param value new value for the field.
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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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* @return content of work address field.
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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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* @param value new value for the field.
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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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* @return content of home phone number.
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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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* @return content of work phone number.
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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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LOGGER.log(Level.SEVERE, "Error getting bytes from URL: " + avatarURL, e);
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}
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setAvatar(bytes);
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}
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/**
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* Removes the avatar from the vCard.
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*
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* This is done by setting the PHOTO value to the empty string as defined in XEP-0153
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*/
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public void removeAvatar() {
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// Remove avatar (if any)
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photoBinval = null;
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photoMimeType = null;
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}
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/**
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* Specify the bytes of the JPEG for the avatar to use.
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* If bytes is null, then the avatar will be removed.
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* 'image/jpeg' will be used as MIME type.
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*
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* @param bytes the bytes of the avatar, or null to remove the avatar data
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*/
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public void setAvatar(byte[] bytes) {
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setAvatar(bytes, DEFAULT_MIME_TYPE);
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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 is null, remove the avatar
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if (bytes == null) {
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removeAvatar();
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return;
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}
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// Otherwise, add to mappings.
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String encodedImage = Base64.encodeToString(bytes);
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setAvatar(encodedImage, mimeType);
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}
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/**
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* Specify the Avatar used for this vCard.
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*
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* @param encodedImage the Base64 encoded image as String
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* @param mimeType the MIME type of the image
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*/
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public void setAvatar(String encodedImage, String mimeType) {
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photoBinval = encodedImage;
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photoMimeType = mimeType;
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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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* @deprecated Use {@link #setAvatar(String, String)} instead.
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*/
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@Deprecated
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public void setEncodedImage(String encodedAvatar) {
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setAvatar(encodedAvatar, DEFAULT_MIME_TYPE);
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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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*
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* // To create an ImageIcon for Swing applications
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* ImageIcon icon = new ImageIcon(avatar);
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*
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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 (photoBinval == null) {
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return null;
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}
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return Base64.decode(photoBinval);
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}
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/**
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* Returns the MIME Type of the avatar or null if none is set.
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*
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* @return the MIME Type of the avatar or null
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*/
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public String getAvatarMimeType() {
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return photoMimeType;
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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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* @return bytes of the file pointed to by URL.
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* @throws IOException if an IOException occurs while reading the file.
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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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LOGGER.log(Level.SEVERE, "Failed to get message digest", e);
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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'. XMPPConnection should be authenticated
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* and not anonymous.
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*
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* @param connection the XMPPConnection to use.
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* @throws XMPPErrorException thrown if there was an issue setting the VCard in the server.
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* @throws NoResponseException if there was no response from the server.
|
|
* @throws NotConnectedException
|
|
* @throws InterruptedException
|
|
* @deprecated use {@link VCardManager#saveVCard(VCard)} instead.
|
|
*/
|
|
@Deprecated
|
|
public void save(XMPPConnection connection) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
|
|
VCardManager.getInstanceFor(connection).saveVCard(this);
|
|
}
|
|
|
|
/**
|
|
* Load VCard information for a connected user. XMPPConnection should be authenticated
|
|
* and not anonymous.
|
|
*
|
|
* @param connection connection.
|
|
* @throws XMPPErrorException
|
|
* @throws NoResponseException
|
|
* @throws NotConnectedException
|
|
* @throws InterruptedException
|
|
* @deprecated use {@link VCardManager#loadVCard()} instead.
|
|
*/
|
|
@Deprecated
|
|
public void load(XMPPConnection connection) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
|
|
load(connection, null);
|
|
}
|
|
|
|
/**
|
|
* Load VCard information for a given user. XMPPConnection should be authenticated and not anonymous.
|
|
*
|
|
* @param connection connection.
|
|
* @param user user whos information we want to load.
|
|
*
|
|
* @throws XMPPErrorException
|
|
* @throws NoResponseException if there was no response from the server.
|
|
* @throws NotConnectedException
|
|
* @throws InterruptedException
|
|
* @deprecated use {@link VCardManager#loadVCard(EntityBareJid)} instead.
|
|
*/
|
|
@Deprecated
|
|
public void load(XMPPConnection connection, EntityBareJid user) throws NoResponseException, XMPPErrorException, NotConnectedException, InterruptedException {
|
|
VCard result = VCardManager.getInstanceFor(connection).loadVCard(user);
|
|
copyFieldsFrom(result);
|
|
}
|
|
|
|
@Override
|
|
protected IQChildElementXmlStringBuilder getIQChildElementBuilder(IQChildElementXmlStringBuilder xml) {
|
|
if (!hasContent()) {
|
|
xml.setEmptyElement();
|
|
return xml;
|
|
}
|
|
xml.rightAngleBracket();
|
|
if (hasNameField()) {
|
|
xml.openElement("N");
|
|
xml.optElement("FAMILY", lastName);
|
|
xml.optElement("GIVEN", firstName);
|
|
xml.optElement("MIDDLE", middleName);
|
|
xml.optElement("PREFIX", prefix);
|
|
xml.optElement("SUFFIX", suffix);
|
|
xml.closeElement("N");
|
|
}
|
|
if (hasOrganizationFields()) {
|
|
xml.openElement("ORG");
|
|
xml.optElement("ORGNAME", organization);
|
|
xml.optElement("ORGUNIT", organizationUnit);
|
|
xml.closeElement("ORG");
|
|
}
|
|
for (Entry<String, String> entry : otherSimpleFields.entrySet()) {
|
|
xml.optElement(entry.getKey(), entry.getValue());
|
|
}
|
|
for (Entry<String, String> entry : otherUnescapableFields.entrySet()) {
|
|
final String value = entry.getValue();
|
|
if (value == null) {
|
|
continue;
|
|
}
|
|
xml.openElement(entry.getKey());
|
|
xml.append(value);
|
|
xml.closeElement(entry.getKey());
|
|
}
|
|
if (photoBinval != null) {
|
|
xml.openElement("PHOTO");
|
|
xml.escapedElement("BINVAL", photoBinval);
|
|
xml.element("TYPE", photoMimeType);
|
|
xml.closeElement("PHOTO");
|
|
}
|
|
if (emailWork != null) {
|
|
xml.openElement("EMAIL");
|
|
xml.emptyElement("WORK");
|
|
xml.emptyElement("INTERNET");
|
|
xml.emptyElement("PREF");
|
|
xml.element("USERID", emailWork);
|
|
xml.closeElement("EMAIL");
|
|
}
|
|
if (emailHome != null) {
|
|
xml.openElement("EMAIL");
|
|
xml.emptyElement("HOME");
|
|
xml.emptyElement("INTERNET");
|
|
xml.emptyElement("PREF");
|
|
xml.element("USERID", emailHome);
|
|
xml.closeElement("EMAIL");
|
|
}
|
|
for (Entry<String, String> phone : workPhones.entrySet()) {
|
|
final String number = phone.getValue();
|
|
if (number == null) {
|
|
continue;
|
|
}
|
|
xml.openElement("TEL");
|
|
xml.emptyElement("WORK");
|
|
xml.emptyElement(phone.getKey());
|
|
xml.element("NUMBER", number);
|
|
xml.closeElement("TEL");
|
|
}
|
|
for (Entry<String, String> phone : homePhones.entrySet()) {
|
|
final String number = phone.getValue();
|
|
if (number == null) {
|
|
continue;
|
|
}
|
|
xml.openElement("TEL");
|
|
xml.emptyElement("HOME");
|
|
xml.emptyElement(phone.getKey());
|
|
xml.element("NUMBER", number);
|
|
xml.closeElement("TEL");
|
|
}
|
|
if (!workAddr.isEmpty()) {
|
|
xml.openElement("ADR");
|
|
xml.emptyElement("WORK");
|
|
for (Entry<String, String> entry : workAddr.entrySet()) {
|
|
final String value = entry.getValue();
|
|
if (value == null) {
|
|
continue;
|
|
}
|
|
xml.element(entry.getKey(), value);
|
|
}
|
|
xml.closeElement("ADR");
|
|
}
|
|
if (!homeAddr.isEmpty()) {
|
|
xml.openElement("ADR");
|
|
xml.emptyElement("HOME");
|
|
for (Entry<String, String> entry : homeAddr.entrySet()) {
|
|
final String value = entry.getValue();
|
|
if (value == null) {
|
|
continue;
|
|
}
|
|
xml.element(entry.getKey(), value);
|
|
}
|
|
xml.closeElement("ADR");
|
|
}
|
|
return xml;
|
|
}
|
|
|
|
private void copyFieldsFrom(VCard from) {
|
|
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(from));
|
|
}
|
|
catch (IllegalAccessException e) {
|
|
throw new RuntimeException("This cannot happen:" + field, e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
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
|
|
|| photoBinval != null
|
|
;
|
|
}
|
|
|
|
private boolean hasNameField() {
|
|
return firstName != null || lastName != null || middleName != null
|
|
|| prefix != null || suffix != null;
|
|
}
|
|
|
|
private boolean hasOrganizationFields() {
|
|
return organization != null || organizationUnit != null;
|
|
}
|
|
|
|
// Used in tests:
|
|
|
|
@Override
|
|
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;
|
|
}
|
|
if (photoBinval != null ? !photoBinval.equals(vCard.photoBinval) : vCard.photoBinval != null) {
|
|
return false;
|
|
}
|
|
|
|
return workPhones.equals(vCard.workPhones);
|
|
}
|
|
|
|
@Override
|
|
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();
|
|
result = 29 * result + (photoBinval != null ? photoBinval.hashCode() : 0);
|
|
return result;
|
|
}
|
|
|
|
}
|
|
|