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Ant example source code file (RegexpUtil.java)

This example Ant source code file (RegexpUtil.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Ant tags/keywords

regexputil, regexputil

The RegexpUtil.java 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
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 */
package org.apache.tools.ant.util.regexp;

// CheckStyle:HideUtilityClassConstructorCheck OFF - bc

/***
 * Regular expression utilities class which handles flag operations.
 *
 */
public class RegexpUtil {

    /**
     * Check the options has a particular flag set.
     *
     * @param options an <code>int value
     * @param flag an <code>int value
     * @return true if the flag is set
     */
    public static boolean hasFlag(int options, int flag) {
        return ((options & flag) > 0);
    }

    /**
     * Remove a particular flag from an int value contains the option flags.
     *
     * @param options an <code>int value
     * @param flag an <code>int value
     * @return the options with the flag unset
     */
    public static int removeFlag(int options, int flag) {
        return (options & (0xFFFFFFFF - flag));
    }
}

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