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/*
 * reserved comment block
 * DO NOT REMOVE OR ALTER!
 */
/*
 * Copyright 1999-2004 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,
 * 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.
 */
/*
 * $Id: WhitespaceStrippingElementMatcher.java,v 1.1.2.1 2005/08/01 01:30:15 jeffsuttor Exp $
 */
package jdk8u.jaxp.org.apache.xpath.external;

import javax.xml.transform.TransformerException;

import org.w3c.dom.Element;

/**
 * A class that implements this interface can tell if a given element should
 * strip whitespace nodes from it's children.
 */
public interface WhitespaceStrippingElementMatcher
{
  /**
   * Get information about whether or not an element should strip whitespace.
   * @see strip in XSLT Specification
   *
   * @param support The XPath runtime state.
   * @param targetElement Element to check
   *
   * @return true if the whitespace should be stripped.
   *
   * @throws TransformerException
   */
  public boolean shouldStripWhiteSpace(
          XPathContext support, Element targetElement) throws TransformerException;

  /**
   * Get information about whether or not whitespace can be stripped.
   * @see strip in XSLT Specification
   *
   * @return true if the whitespace can be stripped.
   */
  public boolean canStripWhiteSpace();
}