/*
* Copyright 2013 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
*
* http://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.gradle.tooling.internal.adapter;
import org.gradle.tooling.model.DomainObjectSet;
import java.util.ArrayList;
import java.util.Collection;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.Map;
import java.util.TreeMap;
import java.util.TreeSet;
class CollectionMapper {
Collection<Object> createEmptyCollection(Class<?> collectionType) {
if (collectionType.equals(DomainObjectSet.class)) {
return new ArrayList<Object>();
}
if (collectionType.isAssignableFrom(ArrayList.class)) {
return new ArrayList<Object>();
}
if (collectionType.isAssignableFrom(LinkedHashSet.class)) {
return new LinkedHashSet<Object>();
}
if (collectionType.isAssignableFrom(TreeSet.class)) {
return new TreeSet<Object>();
}
throw new UnsupportedOperationException(String.format("Cannot convert a Collection to type %s.", collectionType.getName()));
}
Map<Object, Object> createEmptyMap(Class<?> mapType) {
if (mapType.isAssignableFrom(LinkedHashMap.class)) {
return new LinkedHashMap<Object, Object>();
}
if (mapType.isAssignableFrom(TreeMap.class)) {
return new TreeMap<Object, Object>();
}
throw new UnsupportedOperationException(String.format("Cannot convert a Map to type %s.", mapType.getName()));
}
}