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8234147: Avoid looking up standard charsets in core libraries

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Reviewed-by: alanb
This commit is contained in:
Ivan Gerasimov 2019-12-01 15:29:37 -08:00
parent 4e64af81a2
commit cd589d8469
36 changed files with 200 additions and 237 deletions
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18
src/java.base/share/classes/sun/nio/cs/ThreadLocalCoders.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2001, 2011, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2001, 2019, 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
@ -87,17 +87,17 @@ public class ThreadLocalCoders {
private static Cache decoderCache = new Cache(CACHE_SIZE) {
boolean hasName(Object ob, Object name) {
if (name instanceof String)
return (((CharsetDecoder)ob).charset().name().equals(name));
if (name instanceof Charset)
return ((CharsetDecoder)ob).charset().equals(name);
if (name instanceof String)
return (((CharsetDecoder)ob).charset().name().equals(name));
return false;
}
Object create(Object name) {
if (name instanceof String)
return Charset.forName((String)name).newDecoder();
if (name instanceof Charset)
return ((Charset)name).newDecoder();
if (name instanceof String)
return Charset.forName((String)name).newDecoder();
assert false;
return null;
}
@ -111,17 +111,17 @@ public class ThreadLocalCoders {
private static Cache encoderCache = new Cache(CACHE_SIZE) {
boolean hasName(Object ob, Object name) {
if (name instanceof String)
return (((CharsetEncoder)ob).charset().name().equals(name));
if (name instanceof Charset)
return ((CharsetEncoder)ob).charset().equals(name);
if (name instanceof String)
return (((CharsetEncoder)ob).charset().name().equals(name));
return false;
}
Object create(Object name) {
if (name instanceof String)
return Charset.forName((String)name).newEncoder();
if (name instanceof Charset)
return ((Charset)name).newEncoder();
if (name instanceof String)
return Charset.forName((String)name).newEncoder();
assert false;
return null;
}