xpathexpression.java

gcc的组建

/* XPathExpression.java -- 
   Copyright (C) 2004, 2005  Free Software Foundation, Inc.

This file is part of GNU Classpath.

GNU Classpath is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.

GNU Classpath is distributed in the hope that it will be useful, but
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
General Public License for more details.

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along with GNU Classpath; see the file COPYING.  If not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA.

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole
combination.

As a special exception, the copyright holders of this library give you
permission to link this library with independent modules to produce an
executable, regardless of the license terms of these independent
modules, and to copy and distribute the resulting executable under
terms of your choice, provided that you also meet, for each linked
independent module, the terms and conditions of the license of that
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or based on this library.  If you modify this library, you may extend
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package javax.xml.xpath;

import javax.xml.namespace.QName;
import org.xml.sax.InputSource;

/**
 * An XPath expression.
 *
 * @author (a href='mailto:[e-mail]'>Chris Burdess</a)
 * @since 1.3
 */
public interface XPathExpression
{

  /**
   * Evaluates this expression against the specified context.
   * @param item the evaluation context
   * @param returnType the desired return type
   */
  Object evaluate(Object item,
                  QName returnType)
    throws XPathExpressionException;

  /**
   * Evaluates this expression against the specified context, returning the
   * result as a string.
   * @param item the evaluation context
   */
  String evaluate(Object item)
    throws XPathExpressionException;

  /**
   * Evaluates this expression against the specified context.
   * @param source the source to load the context from
   * @param returnType the desired return type
   */
  Object evaluate(InputSource source,
                  QName returnType)
    throws XPathExpressionException;

  /**
   * Evaluates this expression against the specified context, returning the
   * result as a string.
   * @param source the source to load the context from
   */
  String evaluate(InputSource source)
    throws XPathExpressionException;

}