116 lines
3.7 KiB
Java
116 lines
3.7 KiB
Java
/* XPath.java --
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Copyright (C) 2004 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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package javax.xml.xpath;
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import javax.xml.namespace.NamespaceContext;
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import javax.xml.namespace.QName;
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import org.xml.sax.InputSource;
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/**
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* Interface to the XPath evaluation environment.
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* @since 1.3
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*/
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public interface XPath
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{
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/**
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* Resets the environment.
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*/
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void reset();
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void setXPathVariableResolver(XPathVariableResolver resolver);
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XPathVariableResolver getXPathVariableResolver();
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void setXPathFunctionResolver(XPathFunctionResolver resolver);
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XPathFunctionResolver getXPathFunctionResolver();
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void setNamespaceContext(NamespaceContext nsContext);
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NamespaceContext getNamespaceContext();
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/**
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* Compiles an XPath expression for future evaluation.
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* @param expression the expression
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*/
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XPathExpression compile(String expression)
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throws XPathExpressionException;
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/**
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* Evaluates an expression.
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* @param expression the expression
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* @param item the expression context
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* @param returnType the desired return type
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*/
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Object evaluate(String expression,
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Object item,
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QName returnType)
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throws XPathExpressionException;
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/**
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* Evaluates an expression and returns the result as a string.
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* @param expression the expression
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* @param item the expression context
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*/
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String evaluate(String expression,
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Object item)
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throws XPathExpressionException;
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/**
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* Evaluates an expression.
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* @param expression the expression
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* @param source the source to load the expression context from
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* @param returnType the desired return type
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*/
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Object evaluate(String expression,
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InputSource source,
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QName returnType)
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throws XPathExpressionException;
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/**
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* Evaluates an expression and returns the result as a string.
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* @param expression the expression
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* @param source the source to load the expression context from
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*/
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String evaluate(String expression,
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InputSource source)
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throws XPathExpressionException;
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}
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