jdk/src/share/classes/sun/io/ByteToCharISO8859_1.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/sun/io/ByteToCharISO8859_1.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,87 @@
+/*
+ * Copyright 1996-1997 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;
+
+/**
+* A algorithmic conversion from ISO 8859-1 to Unicode
+*
+* @author Lloyd Honomichl
+* @author Asmus Freytag
+*/
+public class ByteToCharISO8859_1 extends ByteToCharConverter {
+
+    // Return the character set id
+    public String getCharacterEncoding()
+    {
+        return "ISO8859_1";
+    }
+
+    public int flush(char[] output, int outStart, int outEnd) {
+        // This converter will not buffer any data.
+        byteOff = charOff = 0;
+        return 0;
+    }
+
+    /**
+    * Algorithmic character conversion
+    */
+    public int convert(byte[] input, int inOff, int inEnd,
+                       char[] output, int outOff, int outEnd)
+
+        throws ConversionBufferFullException
+    {
+        int bound = inOff + (outEnd - outOff);
+        if (bound >= inEnd) {
+             bound = inEnd;
+        }
+        int bytesWritten = inEnd - inOff;
+
+
+        // Loop until we hit the end of the input
+        try {
+            while(inOff < bound) {
+                output[outOff++] = (char) (0xff & input[inOff++]);
+            }
+        } finally {
+            charOff = outOff;
+            byteOff = inOff;
+        }
+
+        // If we don't have room for the output, throw an exception
+        if (bound < inEnd)
+            throw new ConversionBufferFullException();
+
+        // Return the length written to the output buffer
+        return bytesWritten;
+    }
+
+    /*
+        Reset after finding bad input
+    */
+    public void reset() {
+        byteOff = charOff = 0;
+    }
+
+}