javax.xml.xpath

Interface XPath

Known Implementing Classes:
XPathImpl

public interface XPath

Interface to the XPath evaluation environment.
Since:
1.3

Method Summary

XPathExpression
compile(String expression)
Compiles an XPath expression for future evaluation.
String
evaluate(String expression, Object item)
Evaluates an expression and returns the result as a string.
Object
evaluate(String expression, Object item, QName returnType)
Evaluates an expression.
String
evaluate(String expression, InputSource source)
Evaluates an expression and returns the result as a string.
Object
evaluate(String expression, InputSource source, QName returnType)
Evaluates an expression.
NamespaceContext
getNamespaceContext()
XPathFunctionResolver
getXPathFunctionResolver()
XPathVariableResolver
getXPathVariableResolver()
void
reset()
Resets the environment.
void
setNamespaceContext(NamespaceContext nsContext)
void
setXPathFunctionResolver(XPathFunctionResolver resolver)
void
setXPathVariableResolver(XPathVariableResolver resolver)

Method Details

compile

public XPathExpression compile(String expression)
            throws XPathExpressionException
Compiles an XPath expression for future evaluation.
Parameters:
expression - the expression

evaluate

public String evaluate(String expression,
                       Object item)
            throws XPathExpressionException
Evaluates an expression and returns the result as a string.
Parameters:
expression - the expression
item - the expression context

evaluate

public Object evaluate(String expression,
                       Object item,
                       QName returnType)
            throws XPathExpressionException
Evaluates an expression.
Parameters:
expression - the expression
item - the expression context
returnType - the desired return type

evaluate

public String evaluate(String expression,
                       InputSource source)
            throws XPathExpressionException
Evaluates an expression and returns the result as a string.
Parameters:
expression - the expression
source - the source to load the expression context from

evaluate

public Object evaluate(String expression,
                       InputSource source,
                       QName returnType)
            throws XPathExpressionException
Evaluates an expression.
Parameters:
expression - the expression
source - the source to load the expression context from
returnType - the desired return type

getNamespaceContext

public NamespaceContext getNamespaceContext()

getXPathFunctionResolver

public XPathFunctionResolver getXPathFunctionResolver()

getXPathVariableResolver

public XPathVariableResolver getXPathVariableResolver()

reset

public void reset()
Resets the environment.

setNamespaceContext

public void setNamespaceContext(NamespaceContext nsContext)

setXPathFunctionResolver

public void setXPathFunctionResolver(XPathFunctionResolver resolver)

setXPathVariableResolver

public void setXPathVariableResolver(XPathVariableResolver resolver)

XPath.java -- Copyright (C) 2004 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 WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License 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 module. An independent module is a module which is not derived from or based on this library. If you modify this library, you may extend this exception to your version of the library, but you are not obligated to do so. If you do not wish to do so, delete this exception statement from your version.