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// Copyright 2004, 2005 The Apache Software Foundation
// 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,
// See the License for the specific language governing permissions and
// limitations under the License.

package org.apache.hivemind;

import java.util.List;

 * Simplified read-only thread safe DOM.
 * Currently, no support for namespaces, but that may come.
 * @author Howard Lewis Ship
public interface Element extends Locatable
   * Returns the name of the element, as in, the name of the tag for the element.
  public String getElementName();
   * Returns an unmodifiable list of {@link Attribute} for this element.
   * May return an empty list, but won't return null.  The attributes
   * are in no specific order.
  public List getAttributes();
   * Returns the value for an attribute, or null if the attribute is not specified.
  public String getAttributeValue(String attributeName);
   * Returns true if this element contains no other elements.
  public boolean isEmpty();
   * Returns an unmodifiable list of {@link Element} directly contained
   * by this element.  May return an empty list, but won't return null.
   * The elements are returned in the order in which they were encountered
   * in the XML.
  public List getElements();
   * Returns the content of the element.  This is a concatination of
   * all the text directly enclosed by the element.  Ignorable whitespace
   * is ignored.  The content is trimmed of leading and trailing whitespace.
  public String getContent();
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