content: /*
   * Copyright (C) 2010 A. Horn
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package org.mcsoxford.rss;
  
  /**
   * Internal helper class for RSS 2.0 media attributes.
   * 
   * @author Mr Horn
   */
  final class MediaAttributes {
  
    /* Hide constructor */
    private MediaAttributes() {}
  
    /**
     * Returns the RSS 2.0 attribute with the specified local name as a string.
     * The return value is {@code null} if no attribute with such name exists.
     */
    static String stringValue(org.xml.sax.Attributes attributes, String name) {
      return attributes.getValue(name);
    }
  
    /**
     * Returns the RSS 2.0 attribute with the specified local name as an integer. 
     * The {@code defaultValue} is returned if no attribute with such name exists.
     */
    static int intValue(org.xml.sax.Attributes attributes, String name, int defaultValue) {
      final String value = stringValue(attributes, name);
      if((value == null) || (value.isEmpty())) {
        return defaultValue;
      }
  
      return Integer.parseInt(value);
    }
  
  	/**
  	 * Returns the RSS 2.0 attribute with the specified local name as an
  	 * integer. The return value is {@code null} if no attribute with such name
  	 * exists.
  	 */
  	static Integer intValue(org.xml.sax.Attributes attributes, String name) {
  		final String value = stringValue(attributes, name);
  		if ((value == null)|| (value.isEmpty())) {
  			return null;
  		}
  		return Integers.parseInteger(value);
  	}
  
  }
  
  