jdk/src/jdk.charsets/share/classes/sun/nio/cs/ext/MS932_0213.java
changeset 25859 3317bb8137f4
parent 5506 202f599c92aa
child 28969 f980bee32887
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/jdk.charsets/share/classes/sun/nio/cs/ext/MS932_0213.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2008, Oracle and/or its affiliates. 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.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+package sun.nio.cs.ext;
+
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetEncoder;
+import java.nio.charset.CharsetDecoder;
+import static sun.nio.cs.CharsetMapping.*;
+
+public class MS932_0213 extends Charset {
+    public MS932_0213() {
+        super("x-MS932_0213", ExtendedCharsets.aliasesFor("MS932_0213"));
+    }
+
+    public boolean contains(Charset cs) {
+        return ((cs.name().equals("US-ASCII"))
+                || (cs instanceof MS932)
+                || (cs instanceof MS932_0213));
+    }
+
+    public CharsetDecoder newDecoder() {
+        return new Decoder(this);
+    }
+
+    public CharsetEncoder newEncoder() {
+        return new Encoder(this);
+    }
+
+    protected static class Decoder extends SJIS_0213.Decoder {
+        static DoubleByte.Decoder decMS932 =
+            (DoubleByte.Decoder)new MS932().newDecoder();
+        protected Decoder(Charset cs) {
+            super(cs);
+        }
+
+        protected char decodeDouble(int b1, int b2) {
+            char c = decMS932.decodeDouble(b1, b2);
+            if (c == UNMAPPABLE_DECODING)
+                return super.decodeDouble(b1, b2);
+            return c;
+        }
+    }
+
+    protected static class Encoder extends SJIS_0213.Encoder {
+        // we only use its encodeChar() method
+        static DoubleByte.Encoder encMS932 =
+            (DoubleByte.Encoder)new MS932().newEncoder();
+        protected Encoder(Charset cs) {
+            super(cs);
+        }
+
+        protected int encodeChar(char ch) {
+            int db = encMS932.encodeChar(ch);
+            if (db == UNMAPPABLE_ENCODING)
+                return super.encodeChar(ch);
+            return db;
+        }
+    }
+}