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package com.sun.tools.javac.util;

import java.util.Locale;
import java.util.regex.Matcher;
import java.util.regex.Pattern;

A collection of utilities for String manipulation.

This is NOT part of any supported API. If you write code that depends on this, you do so at your own risk. This code and its internal interfaces are subject to change or deletion without notice.

/** A collection of utilities for String manipulation. * * <p><b>This is NOT part of any supported API. * If you write code that depends on this, you do so at your own risk. * This code and its internal interfaces are subject to change or * deletion without notice.</b> */
public class StringUtils {
Converts the given String to lower case using the US Locale. The result is independent of the default Locale in the current JVM instance.
/**Converts the given String to lower case using the {@link Locale#US US Locale}. The result * is independent of the default Locale in the current JVM instance. */
public static String toLowerCase(String source) { return source.toLowerCase(Locale.US); }
Converts the given String to upper case using the US Locale. The result is independent of the default Locale in the current JVM instance.
/**Converts the given String to upper case using the {@link Locale#US US Locale}. The result * is independent of the default Locale in the current JVM instance. */
public static String toUpperCase(String source) { return source.toUpperCase(Locale.US); }
Case insensitive version of String.indexOf(String). Equivalent to text.indexOf(str), except the matching is case insensitive.
/**Case insensitive version of {@link String#indexOf(java.lang.String)}. Equivalent to * {@code text.indexOf(str)}, except the matching is case insensitive. */
public static int indexOfIgnoreCase(String text, String str) { return indexOfIgnoreCase(text, str, 0); }
Case insensitive version of String.indexOf(String, int). Equivalent to text.indexOf(str, startIndex), except the matching is case insensitive.
/**Case insensitive version of {@link String#indexOf(java.lang.String, int)}. Equivalent to * {@code text.indexOf(str, startIndex)}, except the matching is case insensitive. */
public static int indexOfIgnoreCase(String text, String str, int startIndex) { Matcher m = Pattern.compile(Pattern.quote(str), Pattern.CASE_INSENSITIVE).matcher(text); return m.find(startIndex) ? m.start() : -1; } }