diff options
Diffstat (limited to 'org.eclipse.jgit/src/org/eclipse/jgit/util/StringUtils.java')
-rw-r--r-- | org.eclipse.jgit/src/org/eclipse/jgit/util/StringUtils.java | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/util/StringUtils.java b/org.eclipse.jgit/src/org/eclipse/jgit/util/StringUtils.java index 2fbd12dcc5..e381a3bcc9 100644 --- a/org.eclipse.jgit/src/org/eclipse/jgit/util/StringUtils.java +++ b/org.eclipse.jgit/src/org/eclipse/jgit/util/StringUtils.java @@ -278,6 +278,44 @@ public final class StringUtils { } /** + * Remove the specified character from beginning and end of a string + * <p> + * If the character repeats, all copies + * + * @param str input string + * @param c character to remove + * @return the input string with c + * @since 7.2 + */ + public static String trim(String str, char c) { + if (str == null || str.length() == 0) { + return str; + } + + int endPos = str.length()-1; + while (endPos >= 0 && str.charAt(endPos) == c) { + endPos--; + } + + // Whole string is c + if (endPos == -1) { + return EMPTY; + } + + int startPos = 0; + while (startPos < endPos && str.charAt(startPos) == c) { + startPos++; + } + + if (startPos == 0 && endPos == str.length()-1) { + // No need to copy + return str; + } + + return str.substring(startPos, endPos+1); + } + + /** * Appends {@link Constants#DOT_GIT_EXT} unless the given name already ends * with that suffix. * |