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Exchange Web Services (EWS) Java API
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/*
 * The MIT License
 * Copyright (c) 2012 Microsoft Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */

package microsoft.exchange.webservices.data.property.complex;

import microsoft.exchange.webservices.data.core.EwsServiceXmlReader;
import microsoft.exchange.webservices.data.core.EwsServiceXmlWriter;
import microsoft.exchange.webservices.data.core.XmlElementNames;
import microsoft.exchange.webservices.data.core.enumeration.property.time.DayOfTheWeek;
import microsoft.exchange.webservices.data.core.enumeration.property.time.DayOfTheWeekIndex;
import microsoft.exchange.webservices.data.core.enumeration.property.time.Month;
import microsoft.exchange.webservices.data.core.enumeration.misc.XmlNamespace;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceXmlSerializationException;

import javax.xml.stream.XMLStreamException;

/**
 * Represents a recurrence pattern for a time change in a time zone.
 */
final class TimeChangeRecurrence extends ComplexProperty {

  /**
   * The day of the week.
   */
  private DayOfTheWeek dayOfTheWeek;

  /**
   * The day of the week index.
   */
  private DayOfTheWeekIndex dayOfTheWeekIndex;

  /**
   * The month.
   */
  private Month month;

  /**
   * Initializes a new instance of the TimeChangeRecurrence class.
   */
  public TimeChangeRecurrence() {
    super();
  }

  /**
   * Initializes a new instance of the TimeChangeRecurrence class.
   *
   * @param dayOfTheWeekIndex the day of the week index
   * @param dayOfTheWeek      the day of the week
   * @param month             the month
   */
  public TimeChangeRecurrence(DayOfTheWeekIndex dayOfTheWeekIndex,
      DayOfTheWeek dayOfTheWeek, Month month) {
    this();
    this.dayOfTheWeekIndex = dayOfTheWeekIndex;
    this.dayOfTheWeek = dayOfTheWeek;
    this.month = month;
  }

  /**
   * Gets the day of the week the time change occurs.
   *
   * @return the day of the week
   */
  public DayOfTheWeek getDayOfTheWeek() {
    return dayOfTheWeek;
  }

  /**
   * Sets the day of the week.
   *
   * @param dayOfTheWeek the new day of the week
   */
  public void setDayOfTheWeek(DayOfTheWeek dayOfTheWeek) {
    if (this.canSetFieldValue(this.dayOfTheWeek, dayOfTheWeek)) {
      this.dayOfTheWeek = dayOfTheWeek;
      this.changed();
    }
  }

  /**
   * Gets the index of the day in the month at which the time change
   * occurs.
   *
   * @return the day of the week index
   */
  public DayOfTheWeekIndex getDayOfTheWeekIndex() {
    return dayOfTheWeekIndex;
  }

  /**
   * Sets the day of the week index.
   *
   * @param dayOfTheWeekIndex the new day of the week index
   */
  public void setDayOfTheWeekIndex(DayOfTheWeekIndex dayOfTheWeekIndex) {
    if (this.canSetFieldValue(this.dayOfTheWeekIndex, dayOfTheWeekIndex)) {
      this.dayOfTheWeekIndex = dayOfTheWeekIndex;
      this.changed();
    }
  }

  /**
   * Gets the month the time change occurs.
   *
   * @return the month
   */
  public Month getMonth() {
    return month;
  }

  /**
   * Sets the month.
   *
   * @param month the new month
   */
  public void setMonth(Month month) {
    if (this.canSetFieldValue(this.month, month)) {
      this.month = month;
      this.changed();
    }
  }

  /**
   * Writes elements to XML.
   *
   * @param writer the writer
   * @throws XMLStreamException the XML stream exception
   * @throws ServiceXmlSerializationException the service xml serialization exception
   */
  public void writeElementsToXml(EwsServiceXmlWriter writer)
      throws XMLStreamException, ServiceXmlSerializationException {
    if (this.dayOfTheWeek != null) {
      writer.writeElementValue(XmlNamespace.Types,
          XmlElementNames.DaysOfWeek, this.dayOfTheWeek);
    }

    if (this.dayOfTheWeekIndex != null) {
      writer.writeElementValue(XmlNamespace.Types,
          XmlElementNames.DayOfWeekIndex, this.dayOfTheWeekIndex);
    }

    if (this.month != null) {
      writer.writeElementValue(XmlNamespace.Types, XmlElementNames.Month,
          this.month);
    }
  }

  /**
   * Tries to read element from XML.
   *
   * @param reader the reader
   * @return True if element was read.
   * @throws Exception the exception
   */
  public boolean tryReadElementFromXml(EwsServiceXmlReader reader)
      throws Exception {
    if (reader.getLocalName().equalsIgnoreCase(XmlElementNames.DaysOfWeek)) {

      this.dayOfTheWeek = reader.readElementValue(DayOfTheWeek.class);
      return true;
    } else if (reader.getLocalName().equalsIgnoreCase(
        XmlElementNames.DayOfWeekIndex)) {
      this.dayOfTheWeekIndex = reader
          .readElementValue(DayOfTheWeekIndex.class);
      return true;
    } else if (reader.getLocalName()
        .equalsIgnoreCase(XmlElementNames.Month)) {
      this.month = reader.readElementValue(Month.class);
      return true;
    } else {
      return false;
    }
  }
}