PresenceImpl.java 9.22 KB
Newer Older
Matt Tucker's avatar
Matt Tucker committed
1 2 3 4 5
/**
 * $RCSfile$
 * $Revision$
 * $Date$
 *
Matt Tucker's avatar
Matt Tucker committed
6
 * Copyright (C) 2004 Jive Software. All rights reserved.
Matt Tucker's avatar
Matt Tucker committed
7
 *
Matt Tucker's avatar
Matt Tucker committed
8 9
 * This software is published under the terms of the GNU Public License (GPL),
 * a copy of which is included in this distribution.
Matt Tucker's avatar
Matt Tucker committed
10
 */
Matt Tucker's avatar
Matt Tucker committed
11

Matt Tucker's avatar
Matt Tucker committed
12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36
package org.jivesoftware.messenger.spi;

import org.jivesoftware.util.CacheSizes;
import org.jivesoftware.util.*;
import org.jivesoftware.messenger.MetaDataFragment;
import org.jivesoftware.messenger.Presence;
import org.jivesoftware.messenger.XMPPFragment;
import org.jivesoftware.messenger.XMPPPacket;
import org.jivesoftware.messenger.auth.UnauthorizedException;
import org.jivesoftware.messenger.user.User;
import java.util.Date;
import java.util.Iterator;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import javax.xml.stream.XMLStreamWriter;
import org.dom4j.Document;
import org.dom4j.Element;

/**
 * Database implementation of the Presence interface.
 *
 * @author Iain Shigeoka
 */
public class PresenceImpl extends AbstractPacket implements Presence, Cacheable {

37
    private String username;
Matt Tucker's avatar
Matt Tucker committed
38 39 40 41 42 43 44 45 46 47 48
    private String uid = "";
    private Date loginTime;
    private Date updateTime;
    private int show;
    private int priority;
    private boolean visible;
    private String status;

    public PresenceImpl(User user, String uid) {
        this();
        if (user != null) {
49
            this.username = user.getUsername();
Matt Tucker's avatar
Matt Tucker committed
50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95
        }

        this.uid = uid;
    }

    public PresenceImpl() {
        show = Presence.SHOW_NONE;
        type = Presence.AVAILABLE;
        visible = false;
        loginTime = new Date();
        updateTime = loginTime;
        priority = NO_PRIORITY;
    }

    public boolean isAvailable() {
        return type != Presence.UNAVAILABLE;
    }

    public void setAvailable(boolean online) throws UnauthorizedException {
        if (online) {
            type = Presence.AVAILABLE;
        }
        else {
            type = Presence.UNAVAILABLE;
        }
    }

    public boolean isVisible() {
        return visible;
    }

    public void setVisible(boolean visible) throws UnauthorizedException {
        this.visible = visible;
    }

    public void parse(XMLStreamReader xpp) throws XMLStreamException {
        // Super class AbstractPacket will not move the parser from it's start position.
        parseRootAttributes(xpp);
        Document doc = null;
        try {
            // Extremely inefficient to parse it into a DOM then toss it about like this
            // but we'll optimize when we see it's a bottleneck
            doc = XPPReader.parseDocument(xpp);
            Element root = doc.getRootElement();

            show = Presence.SHOW_NONE;
96 97
            // Default priority is zero unless a value is provided
            priority = 0;
Matt Tucker's avatar
Matt Tucker committed
98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142

            Iterator subElements = root.elementIterator();
            while (subElements.hasNext()) {
                Element element = (Element)subElements.next();
                String name = element.getName();
                if ("show".equals(name)) {
                    String showText = root.element("show").getText();
                    if ("".equals(showText)) {
                        show = Presence.SHOW_NONE;
                    }
                    else if ("chat".equals(showText)) {
                        show = Presence.SHOW_CHAT;
                    }
                    else if ("dnd".equals(showText)) {
                        show = Presence.SHOW_DND;
                    }
                    else if ("away".equals(showText)) {
                        show = Presence.SHOW_AWAY;
                    }
                    else if ("xa".equals(showText)) {
                        show = Presence.SHOW_XA;
                    }
                }
                else if ("status".equals(name)) {
                    status = root.element("status").getTextTrim();
                }
                else if ("error".equals(name)) {
                    setType(ERROR);
                }
                else if ("priority".equals(name)) {
                    String priorityText = root.element("priority").getTextTrim();
                    if (priorityText != null && priorityText.length() > 0) {
                        priority = Integer.parseInt(priorityText);
                    }
                }
                else {
                    addFragment(new MetaDataFragment(element));
                }
            }
        }
        catch (Exception e) {
            Log.error(LocaleUtils.getLocalizedString("admin.error"), e);
        }
    }

143 144
    public String getUsername() {
        return username;
Matt Tucker's avatar
Matt Tucker committed
145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186
    }

    public Date getLoginTime() {
        return (Date)loginTime.clone();
    }

    public Date getLastUpdateTime() {
        return (Date)updateTime.clone();
    }

    public void setLastUpdateTime(Date time) throws UnauthorizedException {
        updateTime.setTime(time.getTime());
    }

    public int getShow() {
        return show;
    }

    public void setShow(int show) throws UnauthorizedException {
        this.show = show;
    }

    public String getStatus() {
        return status;
    }

    public void setStatus(String status) throws UnauthorizedException {
        this.status = status;
    }

    public int getPriority() {
        return priority;
    }

    public void setPriority(int priority) {
        this.priority = priority;
    }

    public int getCachedSize() {
        // Approximate the size of the object in bytes by calculating the size of each field.
        int size = 0;
        size += CacheSizes.sizeOfObject();              // overhead of object
187
        size += CacheSizes.sizeOfString(username);      // username
Matt Tucker's avatar
Matt Tucker committed
188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247
        size += CacheSizes.sizeOfString(uid);           // uid
        size += CacheSizes.sizeOfDate();                // login date
        size += CacheSizes.sizeOfDate();                // last update date
        size += CacheSizes.sizeOfInt();                 // show

        return size;
    }

    public String toString() {
        return super.toString() + " " + type.toString() + " S: " + sender + " R: " + recipient;
    }

    public void send(XMLStreamWriter xmlSerializer, int version) throws
            XMLStreamException {
        super.sendRoot(xmlSerializer, version, "presence", Presence.AVAILABLE);

        // if (show != Presence.SHOW_NONE)
        switch (show) {
            case Presence.SHOW_XA:
                xmlSerializer.writeStartElement("jabber:client", "show");
                xmlSerializer.writeCharacters("xa");
                xmlSerializer.writeEndElement();
                break;
            case Presence.SHOW_AWAY:
                xmlSerializer.writeStartElement("jabber:client", "show");
                xmlSerializer.writeCharacters("away");
                xmlSerializer.writeEndElement();
                break;
            case Presence.SHOW_CHAT:
                xmlSerializer.writeStartElement("jabber:client", "show");
                xmlSerializer.writeCharacters("chat");
                xmlSerializer.writeEndElement();
                break;
            case Presence.SHOW_DND:
                xmlSerializer.writeStartElement("jabber:client", "show");
                xmlSerializer.writeCharacters("dnd");
                xmlSerializer.writeEndElement();
                break;
        }
        if (status != null && status.length() > 0) {
            xmlSerializer.writeStartElement("jabber:client", "status");
            xmlSerializer.writeCharacters(status);
            xmlSerializer.writeEndElement();
        }
        if (priority != NO_PRIORITY) {
            xmlSerializer.writeStartElement("jabber:client", "priority");
            xmlSerializer.writeCharacters(Integer.toString(priority));
            xmlSerializer.writeEndElement();
        }

        Iterator frags = getFragments();
        while (frags.hasNext()) {
            ((XMPPFragment)frags.next()).send(xmlSerializer, version);
        }
        xmlSerializer.writeEndElement();
    }

    public XMPPFragment createDeepCopy() {
        PresenceImpl presence = new PresenceImpl();
        deepCopy(presence);
248
        presence.username = username;
Matt Tucker's avatar
Matt Tucker committed
249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284
        presence.uid = uid;
        presence.loginTime = loginTime;
        presence.updateTime = updateTime;
        presence.show = show;
        presence.priority = priority;
        presence.visible = visible;
        presence.status = status;

        return presence;
    }

    public XMPPPacket.Type typeFromString(String type) {
        XMPPPacket.Type typeObject = super.typeFromString(type);
        if (typeObject == null) {
            if (type == null || type.length() == 0) {
                typeObject = Presence.AVAILABLE;
            }
            else if (Presence.UNAVAILABLE.toString().equals(type)) {
                typeObject = Presence.UNAVAILABLE;
            }
            else if (Presence.SUBSCRIBE.toString().equals(type)) {
                typeObject = Presence.SUBSCRIBE;
            }
            else if (Presence.SUBSCRIBED.toString().equals(type)) {
                typeObject = Presence.SUBSCRIBED;
            }
            else if (Presence.UNSUBSCRIBE.toString().equals(type)) {
                typeObject = Presence.UNSUBSCRIBE;
            }
            else if (Presence.INVISIBLE.toString().equals(type)) {
                typeObject = Presence.INVISIBLE;
            }
        }
        return typeObject;
    }
}