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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.XmlElementNames;
import microsoft.exchange.webservices.data.core.enumeration.misc.XmlNamespace;
import microsoft.exchange.webservices.data.core.exception.misc.ArgumentOutOfRangeException;

import java.util.ArrayList;
import java.util.Iterator;

/**
 * Represents a collection of rules.
 */
public final class RuleCollection extends ComplexProperty implements Iterable {

  /**
   * The OutlookRuleBlobExists flag.
   */
  private boolean outlookRuleBlobExists;

  /**
   * The rules in the rule collection.
   */
  private ArrayList rules;

  /**
   * Initializes a new instance of the RuleCollection class.
   */
  public RuleCollection() {
    super();
    this.rules = new ArrayList();
  }

  /**
   * Gets a value indicating whether an Outlook rule blob exists in the user's
   * mailbox. To update rules with EWS when the Outlook rule blob exists, call
   * SetInboxRules passing true as the
   * value of the removeOutlookBlob parameter.
   */
  public boolean getOutlookRuleBlobExists() {
    return this.outlookRuleBlobExists;
  }

  public void setOutlookRuleBlobExists(boolean value) {
    this.outlookRuleBlobExists = value;
  }

  /**
   * Gets the number of rules in this collection.
   */
  public int getCount() {
    return this.rules.size();
  }

  /**
   * Gets the rule at the specified index in the collection.
   *
   * @param index The index of the rule to get.
   * @return The rule at the specified index.
   * @throws ArgumentOutOfRangeException
   */
  public Rule getRule(int index) throws ArgumentOutOfRangeException {
    if (index < 0 || index >= this.rules.size()) {
      throw new ArgumentOutOfRangeException("Index");
    }

    return this.rules.get(index);

  }


  /**
   * Tries to read element from XML.
   *
   * @param reader The reader.
   * @return True if element was read.
   * @throws Exception
   */
  @Override
  public boolean tryReadElementFromXml(EwsServiceXmlReader reader)
      throws Exception {
    if (reader.isStartElement(XmlNamespace.Types, XmlElementNames.Rule)) {
      Rule rule = new Rule();
      rule.loadFromXml(reader, XmlElementNames.Rule);
      this.rules.add(rule);
      return true;
    } else {
      return false;
    }
  }

  /**
   * Get an enumerator for the collection
   */
  @Override
  public Iterator iterator() {
    return this.rules.iterator();
  }

}