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Instancio support for Guava classes
/*
* Copyright 2022-2024 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.instancio.guava.internal.spi;
import com.google.common.collect.ArrayListMultimap;
import com.google.common.collect.BiMap;
import com.google.common.collect.ConcurrentHashMultiset;
import com.google.common.collect.HashBiMap;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.HashMultiset;
import com.google.common.collect.ImmutableBiMap;
import com.google.common.collect.ImmutableList;
import com.google.common.collect.ImmutableListMultimap;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableMultimap;
import com.google.common.collect.ImmutableMultiset;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.ImmutableSetMultimap;
import com.google.common.collect.ImmutableSortedMap;
import com.google.common.collect.ImmutableSortedMultiset;
import com.google.common.collect.ImmutableSortedSet;
import com.google.common.collect.ImmutableTable;
import com.google.common.collect.LinkedHashMultimap;
import com.google.common.collect.LinkedHashMultiset;
import com.google.common.collect.LinkedListMultimap;
import com.google.common.collect.ListMultimap;
import com.google.common.collect.Multiset;
import com.google.common.collect.SetMultimap;
import com.google.common.collect.SortedMultiset;
import com.google.common.collect.SortedSetMultimap;
import com.google.common.collect.Table;
import com.google.common.collect.TreeMultimap;
import com.google.common.collect.TreeMultiset;
import org.instancio.internal.spi.InternalServiceProvider;
import org.instancio.internal.util.CollectionUtils;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.function.Function;
import static org.instancio.guava.internal.util.GuavaFunctions.fromCollection;
import static org.instancio.guava.internal.util.GuavaFunctions.fromMap;
import static org.instancio.guava.internal.util.GuavaFunctions.fromMultimap;
import static org.instancio.guava.internal.util.GuavaFunctions.fromTable;
@SuppressWarnings({"PMD.CouplingBetweenObjects", "PMD.ExcessiveImports"})
public class GuavaInternalServiceProvider implements InternalServiceProvider {
private static final Map, Function> MAPPING_FUNCTIONS = getMappingFunctions();
private static final Set> CONTAINER_CLASSES = getContainerClasses();
private static Map, Function> getMappingFunctions() {
final Map, Function> map = new HashMap<>();
// Collections
map.put(ConcurrentHashMultiset.class, fromCollection(ConcurrentHashMultiset::create));
map.put(HashMultiset.class, fromCollection(HashMultiset::create));
map.put(ImmutableList.class, fromCollection(ImmutableList::copyOf));
map.put(ImmutableMultiset.class, fromCollection(ImmutableMultiset::copyOf));
map.put(ImmutableSet.class, fromCollection(ImmutableSet::copyOf));
map.put(ImmutableSortedMultiset.class, fromCollection(ImmutableSortedMultiset::copyOf));
map.put(ImmutableSortedSet.class, fromCollection(ImmutableSortedSet::copyOf));
map.put(LinkedHashMultiset.class, fromCollection(LinkedHashMultiset::create));
map.put(Multiset.class, fromCollection(HashMultiset::create));
map.put(SortedMultiset.class, fromCollection(TreeMultiset::create));
map.put(TreeMultiset.class, fromCollection(TreeMultiset::create));
// Maps
map.put(BiMap.class, fromMap(HashBiMap::create));
map.put(HashBiMap.class, fromMap(HashBiMap::create));
map.put(ImmutableBiMap.class, fromMap(ImmutableBiMap::copyOf));
map.put(ImmutableMap.class, fromMap(ImmutableMap::copyOf));
map.put(ImmutableSortedMap.class, fromMap(ImmutableSortedMap::copyOf));
// Multimaps
map.put(HashMultimap.class, fromMultimap(HashMultimap::create));
map.put(ImmutableListMultimap.class, fromMultimap(ImmutableListMultimap::copyOf));
map.put(ImmutableMultimap.class, fromMultimap(ImmutableMultimap::copyOf));
map.put(ImmutableSetMultimap.class, fromMultimap(ImmutableSetMultimap::copyOf));
map.put(LinkedHashMultimap.class, fromMultimap(LinkedHashMultimap::create));
map.put(LinkedListMultimap.class, fromMultimap(LinkedListMultimap::create));
map.put(SetMultimap.class, fromMultimap(HashMultimap::create));
map.put(SortedSetMultimap.class, fromMultimap(TreeMultimap::create));
map.put(TreeMultimap.class, fromMultimap(TreeMultimap::create));
// Tables
map.put(ImmutableTable.class, fromTable(ImmutableTable::copyOf));
return Collections.unmodifiableMap(map);
}
private static Set> getContainerClasses() {
return Collections.unmodifiableSet(CollectionUtils.asSet(
ArrayListMultimap.class,
HashMultimap.class,
ImmutableListMultimap.class,
ImmutableMultimap.class,
ImmutableSetMultimap.class,
ImmutableTable.class,
LinkedHashMultimap.class,
LinkedListMultimap.class,
ListMultimap.class,
SetMultimap.class,
SortedSetMultimap.class,
Table.class,
TreeMultimap.class
));
}
@Override
public InternalContainerFactoryProvider getContainerFactoryProvider() {
return new InternalContainerFactoryProvider() {
@Override
@SuppressWarnings("unchecked")
public Function getMappingFunction(Class type, List> typeArguments) {
return (Function) MAPPING_FUNCTIONS.get(type);
}
@Override
public boolean isContainer(final Class type) {
return CONTAINER_CLASSES.contains(type);
}
};
}
}