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/*******************************************************************************
* Copyright (c) 2015 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Lesser General Public
* License v3.0 which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/lgpl.html
* <p>
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.translation;
import com.google.common.collect.HashMultimap;
import com.google.common.collect.Multimap;
import java.util.Collection;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import java.util.stream.Collectors;
public interface Translator {
<T extends Translatable> T translate(T translatable);
default <T extends Translatable> Collection<T> translate(Collection<T> translatable) {
return translatable.stream()
.map(this::translate)
.collect(Collectors.toList());
}
default <T extends Translatable> Set<T> translate(Set<T> translatable) {
return translatable.stream()
.map(this::translate)
.collect(Collectors.toSet());
}
default <T extends Translatable, V> Map<T, V> translateKeys(Map<T, V> translatable) {
Map<T, V> result = new HashMap<>(translatable.size());
for (Map.Entry<T, V> entry : translatable.entrySet()) {
result.put(translate(entry.getKey()), entry.getValue());
}
return result;
}
default <K extends Translatable, V extends Translatable> Map<K, V> translate(Map<K, V> translatable) {
Map<K, V> result = new HashMap<>(translatable.size());
for (Map.Entry<K, V> entry : translatable.entrySet()) {
result.put(translate(entry.getKey()), translate(entry.getValue()));
}
return result;
}
default <K extends Translatable, V extends Translatable> Multimap<K, V> translate(Multimap<K, V> translatable) {
Multimap<K, V> result = HashMultimap.create(translatable.size(), 1);
for (Map.Entry<K, Collection<V>> entry : translatable.asMap().entrySet()) {
result.putAll(translate(entry.getKey()), translate(entry.getValue()));
}
return result;
}
}
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