StringUtil.java revision 560:dca8c03d693d 
1/*
2 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.  Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26package build.tools.logutil;
27
28public abstract class StringUtil {
29    /** Take a string containing underscores, and return a string
30    * with the underscore removed, and all characters exception in lower
31    * case except the characters after the underscores.
32    */
33    public static String toMixedCase( String str )
34    {
35        StringBuffer sbuf = new StringBuffer( str.length() ) ;
36        boolean uppercaseNext = false ;
37        for (int ctr=0; ctr<str.length(); ctr++) {
38            char ch = str.charAt( ctr ) ;
39
40            if (ch == '_') {
41                uppercaseNext = true ;
42            } else if (uppercaseNext) {
43                sbuf.append( Character.toUpperCase( ch ) ) ;
44                uppercaseNext = false ;
45            } else {
46                sbuf.append( Character.toLowerCase( ch ) ) ;
47            }
48        }
49
50        return sbuf.toString() ;
51    }
52
53    public static int countArgs( String str )
54    {
55        int result = 0 ;
56        for( int ctr = 0; ctr<str.length(); ctr++ )
57            if (str.charAt(ctr) == '{')
58                result++ ;
59
60        return result ;
61    }
62}
63