001    /*
002     * The MIT License
003     * Copyright (c) 2012 Microsoft Corporation
004     *
005     * Permission is hereby granted, free of charge, to any person obtaining a copy
006     * of this software and associated documentation files (the "Software"), to deal
007     * in the Software without restriction, including without limitation the rights
008     * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
009     * copies of the Software, and to permit persons to whom the Software is
010     * furnished to do so, subject to the following conditions:
011     *
012     * The above copyright notice and this permission notice shall be included in
013     * all copies or substantial portions of the Software.
014     *
015     * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
016     * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
017     * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
018     * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
019     * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
020     * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
021     * THE SOFTWARE.
022     */
023    
024    package microsoft.exchange.webservices.data.notification;
025    
026    import microsoft.exchange.webservices.data.attribute.EditorBrowsable;
027    import microsoft.exchange.webservices.data.core.EwsServiceXmlReader;
028    import microsoft.exchange.webservices.data.core.EwsUtilities;
029    import microsoft.exchange.webservices.data.core.ExchangeService;
030    import microsoft.exchange.webservices.data.core.XmlElementNames;
031    import microsoft.exchange.webservices.data.core.enumeration.attribute.EditorBrowsableState;
032    import microsoft.exchange.webservices.data.core.enumeration.misc.XmlNamespace;
033    
034    /**
035     * Represents the base class for event subscriptions.
036     */
037    @EditorBrowsable(state = EditorBrowsableState.Never)
038    public abstract class SubscriptionBase {
039    
040      /**
041       * The service.
042       */
043      private ExchangeService service;
044    
045      /**
046       * The id.
047       */
048      private String id;
049    
050      /**
051       * The watermark.
052       */
053      private String watermark;
054    
055      /**
056       * Instantiates a new subscription base.
057       *
058       * @param service the service
059       * @throws Exception the exception
060       */
061      protected SubscriptionBase(ExchangeService service) throws Exception {
062        EwsUtilities.validateParam(service, "service");
063        // EwsUtilities.validateParam(service, "service");
064    
065        this.service = service;
066      }
067    
068      /**
069       * Instantiates a new subscription base.
070       *
071       * @param service the service
072       * @param id      the id
073       * @throws Exception the exception
074       */
075      protected SubscriptionBase(ExchangeService service, String id)
076          throws Exception {
077        this(service);
078        EwsUtilities.validateParam(id, "id");
079    
080        this.id = id;
081      }
082    
083      /**
084       * Instantiates a new subscription base.
085       *
086       * @param service   the service
087       * @param id        the id
088       * @param watermark the watermark
089       * @throws Exception the exception
090       */
091      protected SubscriptionBase(ExchangeService service, String id,
092          String watermark) throws Exception {
093        this(service, id);
094        this.watermark = watermark;
095      }
096    
097      /**
098       * Load from xml.
099       *
100       * @param reader the reader
101       * @throws Exception the exception
102       */
103      public void loadFromXml(EwsServiceXmlReader reader) throws Exception {
104        this.id = reader.readElementValue(XmlNamespace.Messages,
105            XmlElementNames.SubscriptionId);
106        if (this.getUsesWatermark()) {
107          this.watermark = reader.readElementValue(XmlNamespace.Messages,
108              XmlElementNames.Watermark);
109        }
110    
111      }
112    
113      /**
114       * Gets the session.
115       *
116       * @return the session
117       */
118      protected ExchangeService getService() {
119        return this.service;
120      }
121    
122      /**
123       * Gets the id.
124       *
125       * @return the id
126       */
127      public String getId() {
128        return id;
129      }
130    
131      /**
132       * Sets the id.
133       *
134       * @param id the new id
135       */
136      protected void setId(String id) {
137        this.id = id;
138      }
139    
140      /**
141       * Sets the water mark.
142       *
143       * @param watermark the new water mark
144       */
145      protected void setWaterMark(String watermark) {
146        this.watermark = watermark;
147      }
148    
149      /**
150       * Gets the water mark.
151       *
152       * @return the water mark
153       */
154      public String getWaterMark() {
155        return this.watermark;
156      }
157    
158      /**
159       * Gets whether or not this subscription uses watermarks.
160       */
161      protected boolean getUsesWatermark() {
162        return true;
163      }
164    
165    }