| career | drupal | java | mac | mysql | perl | scala | uml | unix  

Commons JXPath example source code file (

This example Commons JXPath source code file ( is included in the "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Commons JXPath tags/keywords

and_precedence, coreoperation, coreoperation, coreoperationand, coreoperationand, object, object, string, string

The Commons JXPath source code

 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * See the License for the specific language governing permissions and
 * limitations under the License.
package org.apache.commons.jxpath.ri.compiler;

import org.apache.commons.jxpath.ri.EvalContext;
import org.apache.commons.jxpath.ri.InfoSetUtil;

 * Implementation of {@link Expression} for the operation "and".
 * @author Dmitri Plotnikov
 * @version $Revision: 652845 $ $Date: 2008-05-02 12:46:46 -0500 (Fri, 02 May 2008) $
public class CoreOperationAnd extends CoreOperation {

     * Create a new CoreOperationAnd.
     * @param args to combine
    public CoreOperationAnd(Expression[] args) {

    public Object computeValue(EvalContext context) {
        for (int i = 0; i < args.length; i++) {
            if (!InfoSetUtil.booleanValue(args[i].computeValue(context))) {
                return Boolean.FALSE;
        return Boolean.TRUE;

    protected int getPrecedence() {
        return AND_PRECEDENCE;

    protected boolean isSymmetric() {
        return true;

    public String getSymbol() {
        return "and";

Other Commons JXPath examples (source code examples)

Here is a short list of links related to this Commons JXPath source code file:

... this post is sponsored by my books ...

#1 New Release!

FP Best Seller


new blog posts


Copyright 1998-2021 Alvin Alexander,
All Rights Reserved.

A percentage of advertising revenue from
pages under the /java/jwarehouse URI on this website is
paid back to open source projects.