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6400876: (bf) Remove sun.nio.ByteBuffered and related obsolete code

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Reviewed-by: djelinski, vyazici, alanb
This commit is contained in:
Jaikiran Pai 2025-10-29 08:59:12 +00:00
parent c97d50d793
commit 20bcf0edda
3 changed files with 1 additions and 67 deletions
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7
src/java.base/share/classes/jdk/internal/loader/Resource.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1998, 2024, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1998, 2025, 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
@ -33,7 +33,6 @@ import java.security.CodeSigner;
import java.util.jar.Manifest;
import java.nio.ByteBuffer;
import java.util.Arrays;
import sun.nio.ByteBuffered;
/**
* This class is used to represent a Resource that has been loaded
@ -130,10 +129,6 @@ public abstract class Resource {
* @return Resource data or null.
*/
public ByteBuffer getByteBuffer() throws IOException {
InputStream in = cachedInputStream();
if (in instanceof ByteBuffered) {
return ((ByteBuffered)in).getByteBuffer();
}
return null;
}

60
src/java.base/share/classes/sun/nio/ByteBuffered.java
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@ -1,60 +0,0 @@
/*
* Copyright (c) 2003, 2020, 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;
import java.nio.ByteBuffer;
import java.io.IOException;
/**
* This is an interface to adapt existing APIs to use {@link java.nio.ByteBuffer
* ByteBuffers} as the underlying data format. Only the initial producer and
* final consumer have to be changed.
*
* <p>
* For example, the Zip/Jar code supports {@link java.io.InputStream InputStreams}.
* To make the Zip code use {@link java.nio.MappedByteBuffer MappedByteBuffers} as
* the underlying data structure, it can create a class of InputStream that wraps
* the ByteBuffer, and implements the ByteBuffered interface. A co-operating class
* several layers away can ask the InputStream if it is an instance of ByteBuffered,
* then call the {@link #getByteBuffer()} method.
*/
public interface ByteBuffered {
/**
* Returns the {@code ByteBuffer} behind this object, if this particular
* instance has one. An implementation of {@code getByteBuffer()} is allowed
* to return {@code null} for any reason.
*
* @return The {@code ByteBuffer}, if this particular instance has one,
* or {@code null} otherwise.
*
* @throws IOException
* If the ByteBuffer is no longer valid.
*
* @since 1.5
*/
public ByteBuffer getByteBuffer() throws IOException;
}

1
test/micro/org/openjdk/bench/jdk/internal/jrtfs/ImageReaderBenchmark.java
View File

@ -1062,7 +1062,6 @@ public class ImageReaderBenchmark {
"/modules/java.base/jdk/internal/loader/URLClassPath$FileLoader.class",
"/modules/java.base/jdk/internal/loader/Resource.class",
"/modules/java.base/java/io/FileCleanable.class",
"/modules/java.base/sun/nio/ByteBuffered.class",
"/modules/java.base/java/security/SecureClassLoader$CodeSourceKey.class",
"/modules/java.base/java/security/PermissionCollection.class",
"/modules/java.base/java/security/Permissions.class",