--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/io/ByteToCharCp834.java Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,154 @@
+/*
+ * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code 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. Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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 in the LICENSE file that
+ * accompanied this code).
+ *
+ * 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 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+package sun.io;
+
+import sun.nio.cs.ext.IBM933;
+
+public class ByteToCharCp834 extends ByteToCharDBCS_ONLY_EBCDIC {
+ public String getCharacterEncoding() {
+ return "Cp834";
+ }
+
+ public ByteToCharCp834() {
+ super();
+ super.mask1 = 0xFFF0;
+ super.mask2 = 0x000F;
+ super.shift = 4;
+ super.index1 = IBM933.getDecoderIndex1();
+ super.index2 = IBM933.getDecoderIndex2();
+ }
+}
+
+abstract class ByteToCharDBCS_ONLY_EBCDIC extends ByteToCharConverter {
+ private boolean savedBytePresent;
+ private byte savedByte;
+
+ protected short index1[];
+ protected String index2;
+ protected int mask1;
+ protected int mask2;
+ protected int shift;
+
+ public ByteToCharDBCS_ONLY_EBCDIC() {
+ super();
+ savedBytePresent = false;
+ }
+
+ public int flush(char [] output, int outStart, int outEnd)
+ throws MalformedInputException
+ {
+ if (savedBytePresent) {
+ reset();
+ badInputLength = 0;
+ throw new MalformedInputException();
+ }
+ reset();
+ return 0;
+ }
+
+
+ /**
+ * Character conversion
+ */
+ public int convert(byte[] input, int inOff, int inEnd,
+ char[] output, int outOff, int outEnd)
+ throws UnknownCharacterException, MalformedInputException,
+ ConversionBufferFullException
+ {
+ int inputSize;
+ char outputChar = '\uFFFD';
+
+ charOff = outOff;
+ byteOff = inOff;
+
+ while(byteOff < inEnd) {
+ int byte1, byte2;
+ int v;
+
+ if (!savedBytePresent) {
+ byte1 = input[byteOff] & 0xff;
+ inputSize = 1;
+ } else {
+ byte1 = savedByte;
+ savedBytePresent = false;
+ inputSize = 0;
+ }
+
+ // valid range of 1st bytes
+ if (byte1 < 0x40 || byte1 > 0xfe) {
+ badInputLength = 1;
+ throw new MalformedInputException();
+ }
+
+ if (byteOff + inputSize >= inEnd) {
+ // We have been split in the middle if a character
+ // save the first byte for next time around
+ savedByte = (byte)byte1;
+ savedBytePresent = true;
+ byteOff += inputSize;
+ break;
+ }
+
+ byte2 = input[byteOff+inputSize] & 0xff;
+ inputSize++;
+
+ // validate the pair of bytes
+ if ((byte1 != 0x40 || byte2 != 0x40) &&
+ (byte2 < 0x41 || byte2 > 0xfe)) {
+ badInputLength = 2;
+ throw new MalformedInputException();
+ }
+
+ // Lookup in the two level index
+ v = byte1 * 256 + byte2;
+ outputChar = index2.charAt(index1[((v & mask1) >> shift)]
+ + (v & mask2));
+
+ if (outputChar == '\uFFFD') {
+ if (subMode)
+ outputChar = subChars[0];
+ else {
+ badInputLength = inputSize;
+ throw new UnknownCharacterException();
+ }
+ }
+
+ if (charOff >= outEnd)
+ throw new ConversionBufferFullException();
+
+ output[charOff++] = outputChar;
+ byteOff += inputSize;
+ }
+ return charOff - outOff;
+ }
+
+ /**
+ * Resets the converter.
+ */
+ public void reset() {
+ charOff = byteOff = 0;
+ savedBytePresent = false;
+ }
+}