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proguard.backport.StreamSupportConverter Maven / Gradle / Ivy
/*
* ProGuard -- shrinking, optimization, obfuscation, and preverification
* of Java bytecode.
*
* Copyright (c) 2002-2018 Guardsquare NV
*
* This program 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 of the License, or (at your option)
* any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package proguard.backport;
import proguard.classfile.*;
import proguard.classfile.instruction.visitor.InstructionVisitor;
import proguard.classfile.util.*;
import proguard.classfile.visitor.*;
/**
* This ClassVisitor will replace any occurrence of stream related methods / types
* that have been introduced in Java 8 to the streamsupport library.
*
* @author Thomas Neidhart
*/
public class StreamSupportConverter
extends AbstractAPIConverter
{
/**
* Create a new StreamSupportConverter instance.
*/
public StreamSupportConverter(ClassPool programClassPool,
ClassPool libraryClassPool,
WarningPrinter warningPrinter,
ClassVisitor modifiedClassVisitor,
InstructionVisitor extraInstructionVisitor)
{
super(programClassPool,
libraryClassPool,
warningPrinter,
modifiedClassVisitor,
extraInstructionVisitor);
TypeReplacement[] typeReplacements = new TypeReplacement[]
{
// j.u.stream package has been added in Java 8
replace("java/util/stream/**", "java8/util/stream/<1>"),
// j.u.function package has been added in Java 8
replace("java/util/function/**", "java8/util/function/<1>"),
// j.u classes / interfaces that have been added in Java 8
replace("java/util/DoubleSummaryStatistics", "java8/util/DoubleSummaryStatistics"),
replace("java/util/IntSummaryStatistics", "java8/util/IntSummaryStatistics"),
replace("java/util/LongSummaryStatistics", "java8/util/LongSummaryStatistics"),
replace("java/util/PrimitiveIterator**", "java8/util/PrimitiveIterator<1>"),
replace("java/util/Optional**", "java8/util/Optional<1>"),
replace("java/util/Spliterator**", "java8/util/Spliterator<1>"),
replace("java/util/SplittableRandom", "java8/util/SplittableRandom"),
replace("java/util/StringJoiner", "java8/util/StringJoiner"),
// j.u.c classes / exceptions that have been added in Java 8 or being updated in Java 8
replace("java/util/concurrent/CompletionException", "java8/util/concurrent/CompletionException"),
replace("java/util/concurrent/CountedCompleter", "java8/util/concurrent/CountedCompleter"),
replace("java/util/concurrent/ForkJoinPool", "java8/util/concurrent/ForkJoinPool"),
replace("java/util/concurrent/ForkJoinTask", "java8/util/concurrent/ForkJoinTask"),
replace("java/util/concurrent/ForkJoinWorkerTask", "java8/util/concurrent/ForkJoinWorkerTask"),
replace("java/util/concurrent/Phaser", "java8/util/concurrent/Phaser"),
replace("java/util/concurrent/RecursiveAction", "java8/util/concurrent/RecursiveAction"),
replace("java/util/concurrent/RecursiveTask", "java8/util/concurrent/RecursiveTask"),
replace("java/util/concurrent/ThreadLocalRandom", "java8/util/concurrent/ThreadLocalRandom"),
// j.l classes / annotations that have been added in Java 8
replace("java/lang/FunctionalInterface", "java8/lang/FunctionalInterface"),
};
MethodReplacement[] methodReplacements = new MethodReplacement[]
{
// default methods in j.u.Collection
replace("java/util/Collection", "stream", "()Ljava/util/stream/Stream;",
"java8/util/stream/StreamSupport", "stream", "(Ljava/util/Collection;)Ljava8/util/stream/Stream;"),
replace("java/util/Collection", "parallelStream", "()Ljava/util/stream/Stream;",
"java8/util/stream/StreamSupport", "parallelStream", "(Ljava/util/Collection;)Ljava8/util/stream/Stream;"),
replace("java/util/Collection", "spliterator", "()Ljava/util/Spliterator;",
"java8/util/Spliterators", "spliterator", "(Ljava/util/Collection;)Ljava8/util/Spliterator;"),
replace("java/util/Collection", "removeIf", "(Ljava/util/function/Predicate;)Z",
"java8/lang/Iterables", "removeIf", "(Ljava/lang/Iterable;Ljava8/util/function/Predicate;)Z"),
// default methods in j.l.Iterable
replace("java/lang/Iterable", "forEach", "(Ljava/util/function/Consumer;)V",
"java8/lang/Iterables", "forEach", "(Ljava/lang/Iterable;Ljava8/util/function/Consumer;)V"),
replace("java/lang/Iterable", "spliterator", "()Ljava/util/stream/Stream;",
"java8/lang/Iterables", "spliterator", "(Ljava/lang/Iterable;)Ljava8/util/stream/Stream;"),
// remaining default methods in j.u.List
replace("java/util/List", "", "**",
"java8/util/Lists", "<1>", "<1>"),
// default methods in j.u.Map
replace("java/util/Map", "", "**",
"java8/util/Maps", "<1>", "<1>"),
// static methods in j.u.Map$Entry
replace("java/util/Map$Entry", "", "**",
"java8/util/Maps", "<1>", "<1>"),
// default and static methods in j.u.Comparator
replace("java/util/Comparator", "", "**",
"java8/util/Comparators", "<1>", "<1>"),
replace("java/util/Comparator", "", "**",
"java8/util/Comparators", "<1>", "<1>"),
// all methods of new classes in j.u.
replace("java/util/DoubleSummaryStatistics", "**", "**",
"java8/util/DoubleSummaryStatistics", "<1>", "<1>"),
replace("java/util/IntSummaryStatistics", "**", "**",
"java8/util/IntSummaryStatistics", "<1>", "<1>"),
replace("java/util/LongSummaryStatistics", "**", "**",
"java8/util/LongSummaryStatistics", "<1>", "<1>"),
replace("java/util/PrimitiveIterator**", "**", "**",
"java8/util/PrimitiveIterator<1>", "<1>", "<1>"),
replace("java/util/Optional**", "**", "**",
"java8/util/Optional<1>", "<1>", "<1>"),
replace("java/util/Spliterator**", "**", "**",
"java8/util/Spliterator<1>", "<1>", "<1>"),
replace("java/util/SplittableRandom", "**", "**",
"java8/util/SplittableRandom", "<1>", "<1>"),
replace("java/util/StringJoiner", "**", "**",
"java8/util/StringJoiner", "<1>", "<1>"),
// default and static methods in new interfaces.
replace("java/util/function/BiConsumer", "", "**",
"java8/util/function/BiConsumers", "<1>", "<1>"),
replace("java/util/function/BiFunction", "", "**",
"java8/util/function/BiFunctions", "<1>", "<1>"),
replace("java/util/function/BinaryOperator", "", "**",
"java8/util/function/BinaryOperators", "<1>", "<1>"),
replace("java/util/function/BiPredicate", "", "**",
"java8/util/function/BiPredicates", "<1>", "<1>"),
replace("java/util/function/Consumer", "", "**",
"java8/util/function/Consumers", "<1>", "<1>"),
replace("java/util/function/DoubleConsumer", "", "**",
"java8/util/function/DoubleConsumers", "<1>", "<1>"),
replace("java/util/function/DoublePredicate", "", "**",
"java8/util/function/DoublePredicates", "<1>", "<1>"),
replace("java/util/function/DoubleUnaryOperator", "", "**",
"java8/util/function/DoubleUnaryOperators", "<1>", "<1>"),
replace("java/util/function/DoubleUnaryOperator", "", "**",
"java8/util/function/DoubleUnaryOperators", "<1>", "<1>"),
replace("java/util/function/Function", "", "**",
"java8/util/function/Functions", "<1>", "<1>"),
replace("java/util/function/Function", "", "**",
"java8/util/function/Functions", "<1>", "<1>"),
replace("java/util/function/IntConsumer", "", "**",
"java8/util/function/IntConsumers", "<1>", "<1>"),
replace("java/util/function/IntPredicate", "", "**",
"java8/util/function/IntPredicates", "<1>", "<1>"),
replace("java/util/function/IntUnaryOperator", "", "**",
"java8/util/function/IntUnaryOperators", "<1>", "<1>"),
replace("java/util/function/IntUnaryOperator", "", "**",
"java8/util/function/IntUnaryOperators", "<1>", "<1>"),
replace("java/util/function/LongConsumer", "", "**",
"java8/util/function/LongConsumers", "<1>", "<1>"),
replace("java/util/function/LongPredicate", "", "**",
"java8/util/function/LongPredicates", "<1>", "<1>"),
replace("java/util/function/LongUnaryOperator", "", "**",
"java8/util/function/LongUnaryOperators", "<1>", "<1>"),
replace("java/util/function/LongUnaryOperator", "", "**",
"java8/util/function/LongUnaryOperators", "<1>", "<1>"),
replace("java/util/function/Predicate", "", "**",
"java8/util/function/Predicates", "<1>", "<1>"),
replace("java/util/function/Predicate", "", "**",
"java8/util/function/Predicates", "<1>", "<1>"),
replace("java/util/function/UnaryOperator", "", "**",
"java8/util/function/UnaryOperators", "<1>", "<1>"),
// static methods in new interfaces.
replace("java/util/stream/DoubleStream", "", "**",
"java8/util/stream/DoubleStreams", "<1>", "<1>"),
replace("java/util/stream/IntStream", "", "**",
"java8/util/stream/IntStreams", "<1>", "<1>"),
replace("java/util/stream/LongStream", "", "**",
"java8/util/stream/LongStreams", "<1>", "<1>"),
replace("java/util/stream/Stream", "", "**",
"java8/util/stream/RefStreams", "<1>", "<1>"),
replace("java/util/stream/Collector", "", "**",
"java8/util/stream/Collectors", "<1>", "<1>"),
// remaining methods in new classes.
replace("java/util/stream/**", "**", "**",
"java8/util/stream/<1>", "<1>", "<1>"),
replace("java/util/function/**", "**", "**",
"java8/util/function/<1>", "<1>", "<1>"),
// default methods in Iterator.
replace("java/util/Iterator", "forEachRemaining", "(Ljava/util/function/Consumer;)V",
"java8/util/Iterators", "forEachRemaining", "(Ljava/lang/Iterable;Ljava8/util/function/Consumer;)V"),
// new methods in j.u.c.
replace("java/util/concurrent/ConcurrentMap", "", "**",
"java8/util/concurrent/ConcurrentMaps", "<1>", "<1>"),
replace("java/util/concurrent/CompletionException", "**", "**",
"java8/util/concurrent/CompletionException", "<1>", "<1>"),
replace("java/util/concurrent/CountedCompleter", "**", "**",
"java8/util/concurrent/CountedCompleter", "<1>", "<1>"),
replace("java/util/concurrent/ForkJoinPool", "**", "**",
"java8/util/concurrent/ForkJoinPool", "<1>", "<1>"),
replace("java/util/concurrent/ForkJoinTask", "**", "**",
"java8/util/concurrent/ForkJoinTask", "<1>", "<1>"),
replace("java/util/concurrent/ForkJoinWorkerTask", "**", "**",
"java8/util/concurrent/ForkJoinWorkerTask", "<1>", "<1>"),
replace("java/util/concurrent/Phaser", "**", "**",
"java8/util/concurrent/Phaser", "<1>", "<1>"),
replace("java/util/concurrent/RecursiveAction", "**", "**",
"java8/util/concurrent/RecursiveAction", "<1>", "<1>"),
replace("java/util/concurrent/RecursiveTask", "**", "**",
"java8/util/concurrent/RecursiveTask", "<1>", "<1>"),
replace("java/util/concurrent/ForkJoinPool", "**", "**",
"java8/util/concurrent/ForkJoinPool", "<1>", "<1>"),
// static methods
replace("java/util/concurrent/ThreadLocalRandom", "ints", "**",
"java8/util/concurrent/ThreadLocalRandom", "ints", "<1>"),
replace("java/util/concurrent/ThreadLocalRandom", "longs", "**",
"java8/util/concurrent/ThreadLocalRandom", "longs", "<1>"),
replace("java/util/concurrent/ThreadLocalRandom", "doubles", "**",
"java8/util/concurrent/ThreadLocalRandom", "doubles", "<1>"),
// remaining
replace("java/util/concurrent/ThreadLocalRandom", "**", "**",
"java8/util/concurrent/ThreadLocalRandom", "<1>", "<1>"),
// new methods in j.u.Arrays.
replace("java/util/Arrays", "spliterator", "**",
"java8/util/J8Arrays", "spliterator", "<1>"),
replace("java/util/Arrays", "stream", "**",
"java8/util/J8Arrays", "stream", "<1>"),
replace("java/util/Arrays", "parallel**", "**",
"java8/util/J8Arrays", "<1>", "<1>"),
replace("java/util/Arrays", "set**", "**",
"java8/util/J8Arrays", "<1>", "<1>"),
// new methods in j.l.Integer.
replace("java/lang/Integer", "min", "**",
"java8/lang/Integers", "min", "<1>"),
replace("java/lang/Integer", "max", "**",
"java8/lang/Integers", "max", "<1>"),
replace("java/lang/Integer", "sum", "**",
"java8/lang/Integers", "sum", "<1>"),
replace("java/lang/Integer", "compare", "**",
"java8/lang/Integers", "compare", "<1>"),
replace("java/lang/Integer", "compareUnsigned", "**",
"java8/lang/Integers", "compareUnsigned", "<1>"),
replace("java/lang/Integer", "remainderUnsigned", "**",
"java8/lang/Integers", "remainderUnsigned", "<1>"),
replace("java/lang/Integer", "divideUnsigned", "**",
"java8/lang/Integers", "divideUnsigned", "<1>"),
replace("java/lang/Integer", "toUnsignedLong", "**",
"java8/lang/Integers", "toUnsignedLong", "<1>"),
replace("java/lang/Integer", "hashCode", "(I)I",
"java8/lang/Integers", "hashCode", "(I)I"),
// new methods in j.l.Long.
replace("java/lang/Long", "min", "**",
"java8/lang/Longs", "min", "<1>"),
replace("java/lang/Long", "max", "**",
"java8/lang/Longs", "max", "<1>"),
replace("java/lang/Long", "sum", "**",
"java8/lang/Longs", "sum", "<1>"),
replace("java/lang/Long", "compare", "**",
"java8/lang/Longs", "compare", "<1>"),
replace("java/lang/Long", "compareUnsigned", "**",
"java8/lang/Longs", "compareUnsigned", "<1>"),
replace("java/lang/Long", "remainderUnsigned", "**",
"java8/lang/Longs", "remainderUnsigned", "<1>"),
replace("java/lang/Long", "divideUnsigned", "**",
"java8/lang/Longs", "divideUnsigned", "<1>"),
replace("java/lang/Long", "toUnsignedBigInteger", "**",
"java8/lang/Longs", "toUnsignedBigInteger", "<1>"),
replace("java/lang/Long", "hashCode", "(J)I",
"java8/lang/Longs", "hashCode", "(J)I"),
// new methods in j.l.Double.
replace("java/lang/Double", "min", "**",
"java8/lang/Doubles", "min", "<1>"),
replace("java/lang/Double", "max", "**",
"java8/lang/Doubles", "max", "<1>"),
replace("java/lang/Double", "sum", "**",
"java8/lang/Doubles", "sum", "<1>"),
replace("java/lang/Double", "isFinite", "**",
"java8/lang/Doubles", "isFinite", "<1>"),
replace("java/lang/Double", "hashCode", "(D)I",
"java8/lang/Doubles", "hashCode", "(D)I"),
// missing replacements for methods added to j.u.Random.
missing("java/util/Random", "ints", "**"),
missing("java/util/Random", "longs", "**"),
missing("java/util/Random", "doubles", "**")
};
setTypeReplacements(typeReplacements);
setMethodReplacements(methodReplacements);
}
}
