0N/A/*
2362N/A * Copyright (c) 2001, 2008, Oracle and/or its affiliates. All rights reserved.
0N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
0N/A *
0N/A * This code is free software; you can redistribute it and/or modify it
0N/A * under the terms of the GNU General Public License version 2 only, as
2362N/A * published by the Free Software Foundation. Oracle designates this
0N/A * particular file as subject to the "Classpath" exception as provided
2362N/A * by Oracle in the LICENSE file that accompanied this code.
0N/A *
0N/A * This code is distributed in the hope that it will be useful, but WITHOUT
0N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
0N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
0N/A * version 2 for more details (a copy is included in the LICENSE file that
0N/A * accompanied this code).
0N/A *
0N/A * You should have received a copy of the GNU General Public License version
0N/A * 2 along with this work; if not, write to the Free Software Foundation,
0N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
0N/A *
2362N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
2362N/A * or visit www.oracle.com if you need additional information or have any
2362N/A * questions.
0N/A */
0N/A
0N/A
0N/A/**
0N/A * This FilterWriter class takes an existing Writer and uses
0N/A * the 'back-tick U' escape notation to escape characters which are
0N/A * encountered within the input character based stream which
0N/A * are outside the 7-bit ASCII range. The native platforms linefeed
0N/A * character is emitted for each line of processed input
0N/A */
0N/A
0N/Apackage sun.tools.native2ascii;
0N/Aimport java.io.*;
0N/Aimport java.nio.BufferOverflowException;
0N/A
0N/Aclass N2AFilter extends FilterWriter {
0N/A
0N/A public N2AFilter(Writer out) { super(out); }
0N/A
0N/A public void write(char b) throws IOException {
0N/A char[] buf = new char[1];
28N/A buf[0] = b;
0N/A write(buf, 0, 1);
0N/A }
0N/A
0N/A public void write(char[] buf, int off, int len) throws IOException {
0N/A
0N/A String lineBreak = System.getProperty("line.separator");
0N/A
0N/A //System.err.println ("xx Out buffer length is " + buf.length );
0N/A for (int i = 0; i < len; i++) {
0N/A if ((buf[i] > '\u007f')) {
0N/A // write \udddd
0N/A out.write('\\');
0N/A out.write('u');
0N/A String hex =
0N/A Integer.toHexString(buf[i]);
0N/A StringBuffer hex4 = new StringBuffer(hex);
0N/A hex4.reverse();
0N/A int length = 4 - hex4.length();
0N/A for (int j = 0; j < length; j++) {
0N/A hex4.append('0');
0N/A }
0N/A for (int j = 0; j < 4; j++) {
0N/A out.write(hex4.charAt(3 - j));
0N/A }
0N/A } else
0N/A out.write(buf[i]);
0N/A }
0N/A }
0N/A}