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-rw-r--r--libjava/classpath/java/nio/charset/CoderResult.java189
1 files changed, 0 insertions, 189 deletions
diff --git a/libjava/classpath/java/nio/charset/CoderResult.java b/libjava/classpath/java/nio/charset/CoderResult.java
deleted file mode 100644
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--- a/libjava/classpath/java/nio/charset/CoderResult.java
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@@ -1,189 +0,0 @@
-/* CoderResult.java --
- Copyright (C) 2002, 2004 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 java.nio.charset;
-
-import java.lang.ref.WeakReference;
-import java.nio.BufferOverflowException;
-import java.nio.BufferUnderflowException;
-import java.util.HashMap;
-
-/**
- * @author Jesse Rosenstock
- * @since 1.4
- */
-public class CoderResult
-{
- private static final int TYPE_MALFORMED = 0;
- private static final int TYPE_OVERFLOW = 1;
- private static final int TYPE_UNDERFLOW = 2;
- private static final int TYPE_UNMAPPABLE = 3;
-
- public static final CoderResult OVERFLOW
- = new CoderResult (TYPE_OVERFLOW, 0);
- public static final CoderResult UNDERFLOW
- = new CoderResult (TYPE_UNDERFLOW, 0);
-
- private static final String[] names
- = { "MALFORMED", "OVERFLOW", "UNDERFLOW", "UNMAPPABLE" };
-
- private static final Cache malformedCache
- = new Cache ()
- {
- protected CoderResult make (int length)
- {
- return new CoderResult (TYPE_MALFORMED, length);
- }
- };
-
- private static final Cache unmappableCache
- = new Cache ()
- {
- protected CoderResult make (int length)
- {
- return new CoderResult (TYPE_UNMAPPABLE, length);
- }
- };
-
- private final int type;
- private final int length;
-
- // Package-private to avoid a trampoline constructor.
- CoderResult (int type, int length)
- {
- this.type = type;
- this.length = length;
- }
-
- public boolean isError ()
- {
- return length > 0;
- }
-
- public boolean isMalformed ()
- {
- return type == TYPE_MALFORMED;
- }
-
- public boolean isOverflow ()
- {
- return type == TYPE_OVERFLOW;
- }
-
- public boolean isUnderflow ()
- {
- return type == TYPE_UNDERFLOW;
- }
-
- public boolean isUnmappable ()
- {
- return type == TYPE_UNMAPPABLE;
- }
-
- public int length ()
- {
- if (length <= 0)
- throw new UnsupportedOperationException ();
- else
- return length;
- }
-
- public static CoderResult malformedForLength (int length)
- {
- return malformedCache.get (length);
- }
-
- public void throwException ()
- throws CharacterCodingException
- {
- switch (type)
- {
- case TYPE_MALFORMED:
- throw new MalformedInputException (length);
- case TYPE_OVERFLOW:
- throw new BufferOverflowException ();
- case TYPE_UNDERFLOW:
- throw new BufferUnderflowException ();
- case TYPE_UNMAPPABLE:
- throw new UnmappableCharacterException (length);
- }
- }
-
- public String toString ()
- {
- String name = names[type];
- return (length > 0) ? name + '[' + length + ']' : name;
- }
-
- public static CoderResult unmappableForLength (int length)
- {
- return unmappableCache.get (length);
- }
-
- private abstract static class Cache
- {
- private final HashMap cache;
-
- // Package-private to avoid a trampoline constructor.
- Cache ()
- {
- cache = new HashMap ();
- }
-
- // Package-private to avoid a trampoline.
- synchronized CoderResult get (int length)
- {
- if (length <= 0)
- throw new IllegalArgumentException ("Non-positive length");
-
- Integer len = Integer.valueOf (length);
- CoderResult cr = null;
- Object o;
- if ((o = cache.get (len)) != null)
- cr = (CoderResult) ((WeakReference) o).get ();
- if (cr == null)
- {
- cr = make (length);
- cache.put (len, new WeakReference (cr));
- }
-
- return cr;
- }
-
- protected abstract CoderResult make (int length);
- }
-}