KickJava   Java API By Example, From Geeks To Geeks.

Java > Open Source Codes > org > apache > tools > ant > util > regexp > RegexpUtil


1 /*
2  * Licensed to the Apache Software Foundation (ASF) under one or more
3  * contributor license agreements. See the NOTICE file distributed with
4  * this work for additional information regarding copyright ownership.
5  * The ASF licenses this file to You under the Apache License, Version 2.0
6  * (the "License"); you may not use this file except in compliance with
7  * the License. You may obtain a copy of the License at
8  *
9  * http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  *
17  */
18 package org.apache.tools.ant.util.regexp;
19
20 // CheckStyle:HideUtilityClassConstructorCheck OFF - bc
21
22 /***
23  * Regular expression utilities class which handles flag operations.
24  *
25  */
26 public class RegexpUtil {
27
28     /**
29      * Check the options has a particular flag set.
30      *
31      * @param options an <code>int</code> value
32      * @param flag an <code>int</code> value
33      * @return true if the flag is set
34      */
35     public static boolean hasFlag(int options, int flag) {
36         return ((options & flag) > 0);
37     }
38
39     /**
40      * Remove a particular flag from an int value contains the option flags.
41      *
42      * @param options an <code>int</code> value
43      * @param flag an <code>int</code> value
44      * @return the options with the flag unset
45      */
46     public static int removeFlag(int options, int flag) {
47         return (options & (0xFFFFFFFF - flag));
48     }
49 }
50
Popular Tags