diff options
Diffstat (limited to 'libjava/java/lang/StringBuilder.java')
-rw-r--r-- | libjava/java/lang/StringBuilder.java | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/libjava/java/lang/StringBuilder.java b/libjava/java/lang/StringBuilder.java index 51df882..5990a6d8 100644 --- a/libjava/java/lang/StringBuilder.java +++ b/libjava/java/lang/StringBuilder.java @@ -1,5 +1,5 @@ /* StringBuilder.java -- Unsynchronized growable strings - Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 + Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc. This file is part of GNU Classpath. @@ -464,6 +464,25 @@ public final class StringBuilder } /** + * Append the code point to this <code>StringBuilder</code>. + * This is like #append(char), but will append two characters + * if a supplementary code point is given. + * + * @param code the code point to append + * @return this <code>StringBuilder</code> + * @see Character#toChars(int, char[], int) + * @since 1.5 + */ + public synchronized StringBuilder appendCodePoint(int code) + { + int len = Character.charCount(code); + ensureCapacity(count + len); + Character.toChars(code, value, count); + count += len; + return this; + } + + /** * Append the <code>String</code> value of the argument to this * <code>StringBuilder</code>. Uses <code>String.valueOf()</code> to convert * to <code>String</code>. @@ -705,6 +724,52 @@ public final class StringBuilder } /** + * Insert the <code>CharSequence</code> argument into this + * <code>StringBuilder</code>. If the sequence is null, the String + * "null" is used instead. + * + * @param offset the place to insert in this buffer + * @param sequence the <code>CharSequence</code> to insert + * @return this <code>StringBuilder</code> + * @throws IndexOutOfBoundsException if offset is out of bounds + */ + public synchronized StringBuilder insert(int offset, CharSequence sequence) + { + if (sequence == null) + sequence = "null"; + return insert(offset, sequence, 0, sequence.length()); + } + + /** + * Insert a subsequence of the <code>CharSequence</code> argument into this + * <code>StringBuilder</code>. If the sequence is null, the String + * "null" is used instead. + * + * @param offset the place to insert in this buffer + * @param sequence the <code>CharSequence</code> to insert + * @param start the starting index of the subsequence + * @param end one past the ending index of the subsequence + * @return this <code>StringBuilder</code> + * @throws IndexOutOfBoundsException if offset, start, + * or end are out of bounds + */ + public synchronized StringBuilder insert(int offset, CharSequence sequence, + int start, int end) + { + if (sequence == null) + sequence = "null"; + if (start < 0 || end < 0 || start > end || end > sequence.length()) + throw new IndexOutOfBoundsException(); + int len = end - start; + ensureCapacity(count + len); + System.arraycopy(value, offset, value, offset + len, count - offset); + for (int i = start; i < end; ++i) + value[offset++] = sequence.charAt(i); + count += len; + return this; + } + + /** * Insert the <code>char[]</code> argument into this * <code>StringBuilder</code>. * |