javax.xml.xpath

Interface XPathExpression

Known Implementing Classes:
AndExpr, Constant, Expr, FunctionCall, IdFunction, OrExpr, Pattern, Root, Selector, Steps, UnionExpr, VariableReference

public interface XPathExpression

An XPath expression.
Since:
1.3

Method Summary

String
evaluate(Object item)
Evaluates this expression against the specified context, returning the result as a string.
Object
evaluate(Object item, QName returnType)
Evaluates this expression against the specified context.
String
evaluate(InputSource source)
Evaluates this expression against the specified context, returning the result as a string.
Object
evaluate(InputSource source, QName returnType)
Evaluates this expression against the specified context.

Method Details

evaluate

public String evaluate(Object item)
            throws XPathExpressionException
Evaluates this expression against the specified context, returning the result as a string.
Parameters:
item - the evaluation context

evaluate

public Object evaluate(Object item,
                       QName returnType)
            throws XPathExpressionException
Evaluates this expression against the specified context.
Parameters:
item - the evaluation context
returnType - the desired return type

evaluate

public String evaluate(InputSource source)
            throws XPathExpressionException
Evaluates this expression against the specified context, returning the result as a string.
Parameters:
source - the source to load the context from

evaluate

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

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 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.