/*
*
*
* Copyright 1990-2009 Sun Microsystems, Inc. All Rights Reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License version
* 2 only, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License version 2 for more details (a copy is
* included at /legal/license.txt).
*
* You should have received a copy of the GNU General Public License
* version 2 along with this work; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA
*
* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa
* Clara, CA 95054 or visit www.sun.com if you need additional
* information or have any questions.
*/
package com.sun.cldc.i18n.j2me;
import java.io.*;
/**
* Writer for Big Endian UTF-16 encoded output streams.
* We assume that character strings
* are correctly converted to UFT-16, so no additional checking is performed.
*/
public class UTF_16BE_Writer extends com.sun.cldc.i18n.StreamWriter {
/**
* Write a portion of an array of characters.
*
* @param cbuf Array of characters
* @param off Offset from which to start writing characters
* @param len Number of characters to write
*
* @exception IOException If an I/O error occurs
*/
public void write(char cbuf[], int off, int len) throws IOException {
byte[] outputBytes = new byte[2];
int inputChar;
int count = 0;
while (count < len) {
inputChar = 0xffff & cbuf[off + count];
charToBytes(inputChar, outputBytes);
out.write(outputBytes, 0, 2);
count++;
}
}
/**
* Convert a 16-bit character into two bytes.
* (This class uses the Big Endian byte order);
* @param inputChar character to convert
* @param outputBytes the array receiving the two bytes
*/
protected void charToBytes(int inputChar, byte[] outputBytes) {
outputBytes[0] = (byte) (0xFF&(inputChar>>8));
outputBytes[1] = (byte) (0xFF&inputChar);
}
/**
* Get the size in bytes of an array of chars.
*
* @param array Source buffer
* @param offset Offset at which to start counting character sizes
* @param length number of bytes to use for counting
*
* @return number of bytes that the characters would be converted to
*/
/* The class Helper will ask the writer for the size the output will be.
* Since chars already are in utf16, calculation is simple. */
public int sizeOf(char[] array, int offset, int length) {
return length << 1;
}
}