src/share/classes/com/sun/tools/javac/util/StringUtils.java

Thu, 04 Aug 2016 23:36:47 -0700

author
asaha
date
Thu, 04 Aug 2016 23:36:47 -0700
changeset 3270
8a30511b2ea4
parent 2415
7ceaee0e497b
child 2525
2eb010b6cb22
permissions
-rw-r--r--

8162511: 8u111 L10n resource file updates
Summary: 8u111 L10n resource file updates
Reviewed-by: coffeys
Contributed-by: li.jiang@oracle.com

     1 /*
     2  * Copyright (c) 2013, 2014, 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  */
    26 package com.sun.tools.javac.util;
    28 import java.util.Locale;
    29 import java.util.regex.Matcher;
    30 import java.util.regex.Pattern;
    32 /** A collection of utilities for String manipulation.
    33  *
    34  *  <p><b>This is NOT part of any supported API.
    35  *  If you write code that depends on this, you do so at your own risk.
    36  *  This code and its internal interfaces are subject to change or
    37  *  deletion without notice.</b>
    38  */
    39 public class StringUtils {
    41     /**Converts the given String to lower case using the {@link Locale#US US Locale}. The result
    42      * is independent of the default Locale in the current JVM instance.
    43      */
    44     public static String toLowerCase(String source) {
    45         return source.toLowerCase(Locale.US);
    46     }
    48     /**Converts the given String to upper case using the {@link Locale#US US Locale}. The result
    49      * is independent of the default Locale in the current JVM instance.
    50      */
    51     public static String toUpperCase(String source) {
    52         return source.toUpperCase(Locale.US);
    53     }
    55     /**Case insensitive version of {@link String#indexOf(java.lang.String)}. Equivalent to
    56      * {@code text.indexOf(str)}, except the matching is case insensitive.
    57      */
    58     public static int indexOfIgnoreCase(String text, String str) {
    59         return indexOfIgnoreCase(text, str, 0);
    60     }
    62     /**Case insensitive version of {@link String#indexOf(java.lang.String, int)}. Equivalent to
    63      * {@code text.indexOf(str, startIndex)}, except the matching is case insensitive.
    64      */
    65     public static int indexOfIgnoreCase(String text, String str, int startIndex) {
    66         Matcher m = Pattern.compile(Pattern.quote(str), Pattern.CASE_INSENSITIVE).matcher(text);
    67         return m.find(startIndex) ? m.start() : -1;
    68     }
    70 }

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