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.property.complex;
025    
026    import microsoft.exchange.webservices.data.core.EwsServiceXmlReader;
027    import microsoft.exchange.webservices.data.core.EwsServiceXmlWriter;
028    import microsoft.exchange.webservices.data.core.EwsUtilities;
029    import microsoft.exchange.webservices.data.core.XmlAttributeNames;
030    import microsoft.exchange.webservices.data.core.XmlElementNames;
031    import microsoft.exchange.webservices.data.core.enumeration.misc.XmlNamespace;
032    import microsoft.exchange.webservices.data.core.exception.service.local.ServiceXmlSerializationException;
033    import microsoft.exchange.webservices.data.misc.Time;
034    import microsoft.exchange.webservices.data.misc.TimeSpan;
035    
036    import org.apache.commons.logging.Log;
037    import org.apache.commons.logging.LogFactory;
038    
039    import java.util.Calendar;
040    import java.util.Date;
041    import java.util.TimeZone;
042    
043    import javax.xml.bind.DatatypeConverter;
044    
045    /**
046     * Represents a change of time for a time zone.
047     */
048    public final class TimeChange extends ComplexProperty {
049    
050      private static final Log LOG = LogFactory.getLog(TimeChange.class);
051    
052      /**
053       * The time zone name.
054       */
055      private String timeZoneName;
056    
057      /**
058       * The offset.
059       */
060      private TimeSpan offset;
061    
062      /**
063       * The time.
064       */
065      private Time time;
066    
067      /**
068       * The absolute date.
069       */
070      private Date absoluteDate;
071    
072      /**
073       * The recurrence.
074       */
075      private TimeChangeRecurrence recurrence;
076    
077      /**
078       * Initializes a new instance of the "TimeChange" class.
079       */
080      public TimeChange() {
081        super();
082      }
083    
084      /**
085       * Initializes a new instance of the <see cref="TimeChange"/> class.
086       *
087       * @param offset The offset since the beginning of the year when the change
088       *               occurs.
089       */
090      public TimeChange(TimeSpan offset) {
091        this();
092        this.offset = offset;
093      }
094    
095      /**
096       * Initializes a new instance of the "TimeChange" class.
097       *
098       * @param offset The offset since the beginning of the year when the change
099       *               occurs.
100       * @param time   The time at which the change occurs.
101       */
102      public TimeChange(TimeSpan offset, Time time) {
103        this(offset);
104        this.time = time;
105      }
106    
107      /**
108       * Gets the name of the associated time zone.
109       *
110       * @return the timeZoneName
111       */
112      public String getTimeZoneName() {
113        return timeZoneName;
114      }
115    
116      /**
117       * Sets the name of the associated time zone.
118       *
119       * @param timeZoneName the timeZoneName to set
120       */
121      public void setTimeZoneName(String timeZoneName) {
122        this.timeZoneName = timeZoneName;
123      }
124    
125      /**
126       * Gets the offset since the beginning of the year when the change occurs.
127       *
128       * @return the offset
129       */
130      public TimeSpan getOffset() {
131        return offset;
132      }
133    
134      /**
135       * Sets the offset since the beginning of the year when the change occurs.
136       *
137       * @param offset the offset to set
138       */
139      public void setOffset(TimeSpan offset) {
140        this.offset = offset;
141      }
142    
143      /**
144       * Gets the time.
145       *
146       * @return the time
147       */
148      public Time getTime() {
149        return time;
150      }
151    
152      /**
153       * Sets the time.
154       *
155       * @param time the time to set
156       */
157      public void setTime(Time time) {
158        this.time = time;
159      }
160    
161      /**
162       * Gets the absolute date.
163       *
164       * @return the absoluteDate
165       */
166      public Date getAbsoluteDate() {
167        return absoluteDate;
168      }
169    
170      /**
171       * Sets the absolute date.
172       *
173       * @param absoluteDate the absoluteDate to set
174       */
175      public void setAbsoluteDate(Date absoluteDate) {
176        this.absoluteDate = absoluteDate;
177        if (absoluteDate != null) {
178          this.recurrence = null;
179        }
180      }
181    
182      /**
183       * Gets the recurrence.
184       *
185       * @return the recurrence
186       */
187      public TimeChangeRecurrence getRecurrence() {
188        return recurrence;
189      }
190    
191      /**
192       * Sets the recurrence.
193       *
194       * @param recurrence the recurrence to set
195       */
196      public void setRecurrence(TimeChangeRecurrence recurrence) {
197        this.recurrence = recurrence;
198        if (this.recurrence != null) {
199          this.absoluteDate = null;
200        }
201      }
202    
203      /**
204       * Tries to read element from XML.
205       *
206       * @param reader accepts EwsServiceXmlReader
207       * @return True if element was read
208       * @throws Exception throws Exception
209       */
210      @Override
211      public boolean tryReadElementFromXml(EwsServiceXmlReader reader)
212          throws Exception {
213    
214        if (reader.getLocalName().equalsIgnoreCase(XmlElementNames.Offset)) {
215          this.offset = EwsUtilities.getXSDurationToTimeSpan(reader.readElementValue());
216          return true;
217        } else if (reader.getLocalName().equalsIgnoreCase(
218            XmlElementNames.RelativeYearlyRecurrence)) {
219          this.recurrence = new TimeChangeRecurrence();
220          this.recurrence.loadFromXml(reader, reader.getLocalName());
221          return true;
222        } else if (reader.getLocalName().equalsIgnoreCase(
223            XmlElementNames.AbsoluteDate)) {
224          Calendar cal = DatatypeConverter.parseDate(reader.readElementValue());
225          cal.setTimeZone(TimeZone.getTimeZone("UTC"));
226          this.absoluteDate = cal.getTime();
227          return true;
228        } else if (reader.getLocalName().equalsIgnoreCase(XmlElementNames.Time)) {
229          Calendar cal = DatatypeConverter.parseTime(reader.readElementValue());
230          this.time = new Time(cal.getTime());
231          return true;
232        } else {
233          return false;
234        }
235      }
236    
237      /**
238       * Reads the attribute from XML.
239       *
240       * @param reader accepts EwsServiceXmlReader
241       * @throws Exception throws Exception
242       */
243      @Override
244      public void readAttributesFromXml(EwsServiceXmlReader reader)
245          throws Exception {
246        this.timeZoneName = reader
247            .readAttributeValue(XmlAttributeNames.TimeZoneName);
248      }
249    
250      /**
251       * Writes the attribute to XML.
252       *
253       * @param writer accepts EwsServiceXmlWriter
254       */
255      @Override
256      public void writeAttributesToXml(EwsServiceXmlWriter writer) {
257        try {
258          writer.writeAttributeValue(XmlAttributeNames.TimeZoneName,
259              this.timeZoneName);
260        } catch (ServiceXmlSerializationException e) {
261          LOG.error(e);
262        }
263      }
264    
265      /**
266       * Writes elements to XML.
267       *
268       * @param writer accepts EwsServiceXmlWriter
269       * @throws Exception throws Exception
270       */
271      @Override
272      public void writeElementsToXml(EwsServiceXmlWriter writer)
273          throws Exception {
274        if (this.offset != null) {
275          writer.writeElementValue(XmlNamespace.Types,
276              XmlElementNames.Offset, EwsUtilities
277                  .getTimeSpanToXSDuration(this.getOffset()));
278        }
279    
280        if (this.recurrence != null) {
281          this.recurrence.writeToXml(writer,
282              XmlElementNames.RelativeYearlyRecurrence);
283        }
284    
285        if (this.absoluteDate != null) {
286          writer.writeElementValue(XmlNamespace.Types,
287              XmlElementNames.AbsoluteDate, EwsUtilities
288                  .dateTimeToXSDate(this.getAbsoluteDate()));
289        }
290    
291        if (this.time != null) {
292          writer.writeElementValue(XmlNamespace.Types, XmlElementNames.Time,
293              this.getTime().toXSTime());
294        }
295      }
296    
297    }