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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.EwsUtilities;
import microsoft.exchange.webservices.data.core.XmlAttributeNames;
import microsoft.exchange.webservices.data.core.XmlElementNames;
import microsoft.exchange.webservices.data.core.enumeration.property.BodyType;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceXmlDeserializationException;
import microsoft.exchange.webservices.data.core.exception.service.local.ServiceXmlSerializationException;

import javax.xml.stream.XMLStreamException;

/**
 * Represents the body part of an item that is unique to the conversation the
 * item is part of.
 */
public final class UniqueBody extends ComplexProperty {

  /**
   * The body type.
   */
  private BodyType bodyType;

  /**
   * The text.
   */
  private String text;

  /**
   * Initializes a new instance.
   */
  public UniqueBody() {
  }

  /**
   * Defines an implicit conversion of UniqueBody into a string.
   *
   * @param messageBody the message body
   * @return string containing the text of the UniqueBody
   * @throws Exception the exception
   */
  public static String getStringFromUniqueBody(UniqueBody messageBody)
      throws Exception {
    EwsUtilities.validateParam(messageBody, "messageBody");
    return messageBody.text;
  }

  /**
   * Reads attribute from XML.
   *
   * @param reader the reader
   * @throws Exception the exception
   */
  public void readAttributesFromXml(EwsServiceXmlReader reader)
      throws Exception {
    this.bodyType = reader.readAttributeValue(BodyType.class,
        XmlAttributeNames.BodyType);
  }

  /**
   * Reads attribute from XML.
   *
   * @param reader the reader
   * @throws XMLStreamException the xml stream exception
   * @throws ServiceXmlDeserializationException the service xml deserialization exception
   */
  public void readTextValueFromXml(EwsServiceXmlReader reader)
      throws XMLStreamException, ServiceXmlDeserializationException {
    this.text = reader.readValue();
  }

  /**
   * Writes attributes from XML.
   *
   * @param writer the writer
   * @throws ServiceXmlSerializationException the service xml serialization exception
   */
  public void writeAttributesToXml(EwsServiceXmlWriter writer)
      throws ServiceXmlSerializationException {
    writer.writeAttributeValue(XmlAttributeNames.BodyType, this.bodyType);
  }

  /**
   * Writes elements to XML.
   *
   * @param writer the writer
   * @throws ServiceXmlSerializationException the service xml serialization exception
   */
  public void writeElementsToXml(EwsServiceXmlWriter writer)
      throws ServiceXmlSerializationException {
    if (!(this.text == null || this.text.isEmpty())) {
      writer.writeValue(this.text, XmlElementNames.UniqueBody);
    }
  }

  /**
   * Gets the type of the unique body's text.
   *
   * @return bodytype
   */
  public BodyType getBodyType() {
    return this.bodyType;
  }

  /**
   * Gets the text of the unique body.
   *
   * @return text
   */
  public String getText() {
    return this.text;
  }

  /*
   * (non-Javadoc)
   *
   * @see java.lang.Object#toString()
   */
  @Override
  public String toString() {
    return (this.getText() == null) ? "" : this.getText();
  }

}