Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/util/StringUtils.java
src/share/classes/com/sun/tools/javac/util/StringUtils.java
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| 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 */ | |
| 25 | |
| 26 package com.sun.tools.javac.util; | |
| 27 | |
| 28 import java.util.Locale; | |
| 29 import java.util.regex.Matcher; | |
| 30 import java.util.regex.Pattern; | |
| 31 | |
| 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 { | |
| 40 | |
| 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 } | |
| 47 | |
| 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 } | |
| 54 | |
| 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 } | |
| 61 | |
| 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 } | |
| 69 | |
| 70 } |
