com.cedarsoftware.io.factory.CollectionFactory Maven / Gradle / Ivy
package com.cedarsoftware.io.factory;
import java.util.ArrayDeque;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Deque;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.NavigableSet;
import java.util.Queue;
import java.util.Set;
import java.util.SortedSet;
import java.util.TreeSet;
import com.cedarsoftware.io.JsonIoException;
import com.cedarsoftware.io.JsonObject;
import com.cedarsoftware.io.JsonReader;
import com.cedarsoftware.io.Resolver;
/**
* @author John DeRegnaucourt ([email protected])
*
* Copyright (c) Cedar Software LLC
*
* 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
*
* License
*
* 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.
*/
public class CollectionFactory implements JsonReader.ClassFactory {
@Override
public Object newInstance(Class c, JsonObject jObj, Resolver resolver) {
if (Deque.class.isAssignableFrom(c)) {
return new ArrayDeque<>();
} else if (Queue.class.isAssignableFrom(c)) {
return new LinkedList<>();
} else if (List.class.isAssignableFrom(c)) {
return new ArrayList<>();
} else if (NavigableSet.class.isAssignableFrom(c)) {
return new TreeSet<>();
} else if (SortedSet.class.isAssignableFrom(c)) {
return new TreeSet<>();
} else if (Set.class.isAssignableFrom(c)) {
return new LinkedHashSet<>();
} else if (Collection.class.isAssignableFrom(c)) {
return new ArrayList<>();
}
throw new JsonIoException("CollectionFactory handed Class for which it was not expecting: " + c.getName());
}
}