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8274835: Remove unnecessary castings in java.base

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Reviewed-by: mullan, naoto, lancea, bpb
This commit is contained in:
Andrey Turbanov 2021-11-12 16:30:56 +00:00 • committed by Daniel Fuchs
parent 3b2585c02b
commit 5a2452c80e
15 changed files with 32 additions and 35 deletions
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4
src/java.base/share/classes/java/io/SequenceInputStream.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1994, 2019, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1994, 2021, 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
@ -98,7 +98,7 @@ public class SequenceInputStream extends InputStream {
private void peekNextStream() {
if (e.hasMoreElements()) {
in = (InputStream) e.nextElement();
in = e.nextElement();
if (in == null)
throw new NullPointerException();
} else {

4
src/java.base/share/classes/java/lang/ClassValue.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2010, 2021, 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
@ -685,7 +685,7 @@ public abstract class ClassValue<T> {
if (haveReplacement >= 0) {
if (cache[(replacementPos+1) & mask] != null) {
// Be conservative, to avoid breaking up a non-null run.
cache[replacementPos & mask] = (Entry<?>) Entry.DEAD_ENTRY;
cache[replacementPos & mask] = Entry.DEAD_ENTRY;
} else {
cache[replacementPos & mask] = null;
cacheLoad -= 1;

4
src/java.base/share/classes/java/lang/Enum.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2003, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2003, 2021, 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
@ -193,7 +193,7 @@ public abstract class Enum<E extends Enum<E>>
* method is the order in which the constants are declared.
*/
public final int compareTo(E o) {
Enum<?> other = (Enum<?>)o;
Enum<?> other = o;
Enum<E> self = this;
if (self.getClass() != other.getClass() && // optimization
self.getDeclaringClass() != other.getDeclaringClass())

4
src/java.base/share/classes/java/lang/StackTraceElement.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2021, 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
@ -443,7 +443,7 @@ public final class StackTraceElement implements java.io.Serializable {
*/
private synchronized void computeFormat() {
try {
Class<?> cls = (Class<?>) declaringClassObject;
Class<?> cls = declaringClassObject;
ClassLoader loader = cls.getClassLoader0();
Module m = cls.getModule();
byte bits = 0;

9
src/java.base/share/classes/java/security/Signature.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1996, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1996, 2021, 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
@ -1146,13 +1146,12 @@ public abstract class Signature extends SignatureSpi {
public Object clone() throws CloneNotSupportedException {
chooseFirstProvider();
if (sigSpi instanceof Cloneable) {
// Because 'algorithm' and 'provider' are private
// members of our supertype, we must perform a cast to
// access them.
// Because 'algorithm' is private member of our supertype,
// we must perform a cast to access it.
Signature that = new CloneableDelegate(
(SignatureSpi)sigSpi.clone(),
((Signature)this).algorithm);
that.provider = ((Signature)this).provider;
that.provider = this.provider;
return that;
} else {
throw new CloneNotSupportedException();

14
src/java.base/share/classes/java/util/GregorianCalendar.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 1996, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1996, 2021, 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
@ -624,7 +624,7 @@ public class GregorianCalendar extends Calendar {
*/
public GregorianCalendar(TimeZone zone, Locale aLocale) {
super(zone, aLocale);
gdate = (BaseCalendar.Date) gcal.newCalendarDate(zone);
gdate = gcal.newCalendarDate(zone);
setTimeInMillis(System.currentTimeMillis());
}
@ -698,7 +698,7 @@ public class GregorianCalendar extends Calendar {
GregorianCalendar(int year, int month, int dayOfMonth,
int hourOfDay, int minute, int second, int millis) {
super();
gdate = (BaseCalendar.Date) gcal.newCalendarDate(getZone());
gdate = gcal.newCalendarDate(getZone());
this.set(YEAR, year);
this.set(MONTH, month);
this.set(DAY_OF_MONTH, dayOfMonth);
@ -736,7 +736,7 @@ public class GregorianCalendar extends Calendar {
*/
GregorianCalendar(TimeZone zone, Locale locale, boolean flag) {
super(zone, locale);
gdate = (BaseCalendar.Date) gcal.newCalendarDate(getZone());
gdate = gcal.newCalendarDate(getZone());
}
/////////////////
@ -2370,7 +2370,7 @@ public class GregorianCalendar extends Calendar {
} else {
// Handle Julian calendar dates.
calsys = getJulianCalendarSystem();
cdate = (BaseCalendar.Date) jcal.newCalendarDate(getZone());
cdate = jcal.newCalendarDate(getZone());
jcal.getCalendarDateFromFixedDate(cdate, fixedDate);
Era e = cdate.getEra();
if (e == jeras[0]) {
@ -3109,7 +3109,7 @@ public class GregorianCalendar extends Calendar {
return (int)(next1 - month1);
}
if (cdate != gdate) {
date = (BaseCalendar.Date) gcal.newCalendarDate(TimeZone.NO_TIMEZONE);
date = gcal.newCalendarDate(TimeZone.NO_TIMEZONE);
}
gcal.getCalendarDateFromFixedDate(date, next1);
next1 = getFixedDateMonth1(date, next1);
@ -3198,7 +3198,7 @@ public class GregorianCalendar extends Calendar {
throws IOException, ClassNotFoundException {
stream.defaultReadObject();
if (gdate == null) {
gdate = (BaseCalendar.Date) gcal.newCalendarDate(getZone());
gdate = gcal.newCalendarDate(getZone());
cachedFixedDate = Long.MIN_VALUE;
}
setGregorianChange(gregorianCutover);

2
src/java.base/share/classes/java/util/HashSet.java
View file

@ -335,7 +335,7 @@ public class HashSet<E>
.checkArray(s, Map.Entry[].class, HashMap.tableSizeFor(capacity));
// Create backing HashMap
map = (((HashSet<?>)this) instanceof LinkedHashSet ?
map = (this instanceof LinkedHashSet ?
new LinkedHashMap<>(capacity, loadFactor) :
new HashMap<>(capacity, loadFactor));

4
src/java.base/share/classes/java/util/stream/ReferencePipeline.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, 2020, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2021, 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
@ -612,7 +612,7 @@ abstract class ReferencePipeline<P_IN, P_OUT>
// Runtime checking will be performed when an element is stored in A[], thus if A is not a
// super type of U an ArrayStoreException will be thrown.
@SuppressWarnings("rawtypes")
IntFunction rawGenerator = (IntFunction) generator;
IntFunction rawGenerator = generator;
return (A[]) Nodes.flatten(evaluateToArrayNode(rawGenerator), rawGenerator)
.asArray(rawGenerator);
}