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+/* ISO_8859_1.java --
+ Copyright (C) 2002, 2004, 2005 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING. If not, write to the
+Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+02110-1301 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library. Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module. An independent module is a module which is not derived from
+or based on this library. If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so. If you do not wish to do so, delete this
+exception statement from your version. */
+
+package gnu.java.nio.charset;
+
+import java.nio.ByteBuffer;
+import java.nio.CharBuffer;
+import java.nio.charset.Charset;
+import java.nio.charset.CharsetDecoder;
+import java.nio.charset.CharsetEncoder;
+import java.nio.charset.CoderResult;
+
+/**
+ * ISO-8859-1 charset.
+ *
+ * @author Jesse Rosenstock
+ * @modified Ian Rogers
+ */
+final class ISO_8859_1 extends Charset
+{
+ ISO_8859_1 ()
+ {
+ /* Canonical charset name chosen according to:
+ * http://java.sun.com/j2se/1.5.0/docs/guide/intl/encoding.doc.html
+ */
+ super ("ISO-8859-1", new String[] {
+ /* These names are provided by
+ * http://www.iana.org/assignments/character-sets
+ */
+ "iso-ir-100",
+ "ISO_8859-1",
+ "latin1",
+ "l1",
+ "IBM819",
+ "CP819",
+ "csISOLatin1",
+ "8859_1",
+ /* These names are provided by
+ * http://oss.software.ibm.com/cgi-bin/icu/convexp?s=ALL
+ */
+ "ISO8859_1",
+ "ISO_8859_1",
+ "ibm-819",
+ "ISO_8859-1:1987",
+ "819",
+ "ISO8859-1"
+ });
+
+ }
+
+ public boolean contains (Charset cs)
+ {
+ return cs instanceof US_ASCII || cs instanceof ISO_8859_1;
+ }
+
+ public CharsetDecoder newDecoder ()
+ {
+ return new Decoder (this);
+ }
+
+ public CharsetEncoder newEncoder ()
+ {
+ return new Encoder (this);
+ }
+
+ private static final class Decoder extends CharsetDecoder
+ {
+ /** Helper to decode loops */
+ private static final ByteDecodeLoopHelper helper = new ByteDecodeLoopHelper()
+ {
+ protected boolean isMappable(byte b)
+ {
+ return true;
+ }
+ protected char mapToChar(byte b)
+ {
+ return (char)(b & 0xFF);
+ }
+ };
+
+ // Package-private to avoid a trampoline constructor.
+ Decoder (Charset cs)
+ {
+ super (cs, 1.0f, 1.0f);
+ }
+
+ protected CoderResult decodeLoop (ByteBuffer in, CharBuffer out)
+ {
+ return helper.decodeLoop(in, out);
+ }
+ }
+
+ private static final class Encoder extends CharsetEncoder
+ {
+ /** Helper to encode loops */
+ private static final ByteEncodeLoopHelper helper = new ByteEncodeLoopHelper()
+ {
+ protected boolean isMappable(char c)
+ {
+ return c <= 0xff;
+ }
+ protected byte mapToByte(char c)
+ {
+ return (byte)c;
+ }
+ };
+ // Package-private to avoid a trampoline constructor.
+ Encoder (Charset cs)
+ {
+ super (cs, 1.0f, 1.0f);
+ }
+
+ public boolean canEncode(char c)
+ {
+ return c <= 0xff;
+ }
+
+ public boolean canEncode(CharSequence cs)
+ {
+ for (int i = 0; i < cs.length(); ++i)
+ if (! canEncode(cs.charAt(i)))
+ return false;
+ return true;
+ }
+
+ protected CoderResult encodeLoop (CharBuffer in, ByteBuffer out)
+ {
+ return helper.encodeLoop(in, out);
+ }
+ }
+}