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/**************************************************************************
 * copyright file="RecurrenceRange.java" company="Microsoft"
 *     Copyright (c) Microsoft Corporation.  All rights reserved.
 * 
 * Defines the RecurrenceRange.java.
 **************************************************************************/
package microsoft.exchange.webservices.data;

import java.text.DateFormat;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;

import javax.xml.stream.XMLStreamException;

/**
 * Represents recurrence range with start and end dates.
 * 
 */
abstract class RecurrenceRange extends ComplexProperty {

	/** The start date. */
	private Date startDate;

	/** The recurrence. */
	private Recurrence recurrence;

	/**
	 * Initializes a new instance.
	 */
	protected RecurrenceRange() {
		super();
	}

	/**
	 * Initializes a new instance.
	 * 
	 * @param startDate
	 *            the start date
	 */
	protected RecurrenceRange(Date startDate) {
		this();
		this.startDate = startDate;
	}

	/**
	 * Changes handler.
	 */
	protected void changed() {
		if (this.recurrence != null) {
			this.recurrence.changed();
		}
	}

	/**
	 * Setup the recurrence.
	 * 
	 * @param recurrence
	 *            the new up recurrence
	 * @throws InstantiationException
	 *             the instantiation exception
	 * @throws IllegalAccessException
	 *             the illegal access exception
	 * @throws ServiceValidationException
	 *             the service validation exception
	 * @throws Exception
	 *             the exception
	 */
	protected void setupRecurrence(Recurrence recurrence)
			throws InstantiationException, IllegalAccessException,
			ServiceValidationException, Exception {
		recurrence.setStartDate(this.getStartDate());
	}

	/**
	 * Writes elements to XML..
	 * 
	 * @param writer
	 *            the writer
	 * @throws XMLStreamException
	 *             the xML stream exception
	 * @throws ServiceXmlSerializationException
	 *             the service xml serialization exception
	 */
	protected void writeElementsToXml(EwsServiceXmlWriter writer)
			throws XMLStreamException, ServiceXmlSerializationException {
		Date d = this.startDate;
		DateFormat df = new SimpleDateFormat("yyyy-MM-dd");
		String formattedString = df.format(d);

		writer.writeElementValue(XmlNamespace.Types, XmlElementNames.StartDate,
				formattedString);
	}

	/**
	 * Tries to read element from XML.
	 * 
	 * @param reader
	 *            the reader
	 * @return True if element was read
	 * @throws ServiceXmlDeserializationException
	 *             the service xml deserialization exception
	 * @throws InstantiationException
	 *             the instantiation exception
	 * @throws IllegalAccessException
	 *             the illegal access exception
	 * @throws XMLStreamException
	 *             the xML stream exception
	 * @throws ParseException
	 *             the parse exception
	 * @throws Exception
	 *             the exception
	 */
	protected boolean tryReadElementFromXml(EwsServiceXmlReader reader)
			throws ServiceXmlDeserializationException, InstantiationException,
			IllegalAccessException, XMLStreamException, ParseException,
			Exception {
		if (reader.getLocalName().equals(XmlElementNames.StartDate)) {
			//this.startDate = reader.readElementValueAsDateTime();
			Date startDate = reader.readElementValueAsUnspecifiedDate();
			if (startDate != null)
			{
				this.startDate = startDate;
				return true;
			}
			return false;		
		} else {
			return false;
		}
	}

	/**
	 * Gets the name of the XML element.
	 * 
	 * @return recurrence
	 */
	protected abstract String getXmlElementName();

	/**
	 * Gets or sets the recurrence.
	 * 
	 * @return recurrence
	 */
	protected Recurrence getRecurrence() {
		return this.recurrence;
	}

	/**
	 * Sets the recurrence.
	 * 
	 * @param value
	 *            the new recurrence
	 */
	protected void setRecurrence(Recurrence value) {
		this.recurrence = value;
	}

	/**
	 * Gets the start date.
	 * 
	 * @return startDate
	 */
	protected Date getStartDate() {
		return this.startDate;

	}

	/**
	 * Sets the start date.
	 * 
	 * @param value
	 *            the new start date
	 */
	protected void setStartDate(Date value) {
		this.canSetFieldValue(this.startDate, value);
	}

}