/**
* Appends a {@code CharSequence} to the {@code CharArrayWriter}. The method
* works the same way as {@code write(csq.toString())}. If {@code csq} is
* {@code null}, then it will be substituted with the string {@code "null"}.
*
* @param csq
* the {@code CharSequence} appended to the {@code
* CharArrayWriter}, may be {@code null}.
* @return this CharArrayWriter.
*/
public new virtual CharArrayWriter append(java.lang.CharSequence csq)
{
if (null == csq)
{
append(new java.lang.StringJ(TOKEN_NULL), 0, TOKEN_NULL.length());
}
else
{
append(csq, 0, csq.length());
}
return(this);
}
/*
* Writes chars of the given {@code CharSequence} to the current position of
* this buffer, and increases the position by the number of chars written.
*
* @param csq
* the {@code CharSequence} to write.
* @param start
* the first char to write, must not be negative and not greater
* than {@code csq.length()}.
* @param end
* the last char to write (excluding), must be less than
* {@code start} and not greater than {@code csq.length()}.
* @return this buffer.
* @exception BufferOverflowException
* if {@code remaining()} is less than {@code end - start}.
* @exception IndexOutOfBoundsException
* if either {@code start} or {@code end} is invalid.
* @exception ReadOnlyBufferException
* if no changes may be made to the contents of this buffer.
*/
public virtual CharBuffer append(java.lang.CharSequence csq, int start, int end)
{
if (csq == null)
{
//csq = "null";
return(put("null"));
}
java.lang.CharSequence cs = csq.subSequence(start, end);
if (cs.length() > 0)
{
return(put(cs.toString()));
}
else
{
return(this);
}
}
/*
* Creates a new char buffer by wrapping the given char sequence.
* <p/>
* The new buffer's position will be {@code start}, limit will be
* {@code end}, capacity will be the length of the char sequence. The new
* buffer is read-only.
*
* @param chseq
* the char sequence which the new buffer will be based on.
* @param start
* the start index, must not be negative and not greater than
* {@code chseq.length()}.
* @param end
* the end index, must be no less than {@code start} and no
* greater than {@code chseq.length()}.
* @return the created char buffer.
* @exception IndexOutOfBoundsException
* if either {@code start} or {@code end} is invalid.
*/
public static CharBuffer wrap(java.lang.CharSequence chseq, int start, int end)
{
if (chseq == null)
{
throw new java.lang.NullPointerException();
}
if (start < 0 || end < start || end > chseq.length())
{
throw new java.lang.IndexOutOfBoundsException();
}
CharBuffer result = BufferFactory.newCharBuffer(chseq);
result.positionJ = start;
result.limitJ = end;
return(result);
}
internal CharSequenceAdapter(java.lang.CharSequence chseq) : base(chseq.length())
{
sequence = chseq;
}
