Java LinkedBlockingQueue getCollection(Class collectionType)

Description

Given any of the known collection types, this method will return an instance of the collection.

License

Open Source License

Parameter

Parameter	Description
collectionType	the type of the collection

Return

the collection instance

Declaration

public static Collection<?> getCollection(Class<?> collectionType) 

Method Source Code

//package com.java2s;
//License from project: Open Source License 

import java.util.*;
import java.util.concurrent.*;

public class Main {
    /**//from w  w w.  ja  va2  s .  c  o m
     * Given any of the known collection types, this method will return an instance of the collection.
     * @param collectionType    the type of the collection
     * @return the collection instance
     */
    public static Collection<?> getCollection(Class<?> collectionType) {
        if (HashSet.class.equals(collectionType)) {
            return new HashSet<Object>();
        } else if (TreeSet.class.equals(collectionType)) {
            return new TreeSet<Object>();
        } else if (CopyOnWriteArraySet.class.equals(collectionType)) {
            return new CopyOnWriteArraySet<Object>();
        } else if (LinkedHashSet.class.equals(collectionType)) {
            return new LinkedHashSet<Object>();
        } else if (ArrayList.class.equals(collectionType)) {
            return new ArrayList<Object>();
        } else if (LinkedList.class.equals(collectionType)) {
            return new LinkedList<Object>();
        } else if (Vector.class.equals(collectionType)) {
            return new Vector<Object>();
        } else if (Stack.class.equals(collectionType)) {
            return new Stack<Object>();
        } else if (PriorityQueue.class.equals(collectionType)) {
            return new PriorityQueue<Object>();
        } else if (PriorityBlockingQueue.class.equals(collectionType)) {
            return new PriorityBlockingQueue<Object>();
        } else if (ArrayDeque.class.equals(collectionType)) {
            return new ArrayDeque<Object>();
        } else if (ConcurrentLinkedQueue.class.equals(collectionType)) {
            return new ConcurrentLinkedQueue<Object>();
        } else if (LinkedBlockingQueue.class.equals(collectionType)) {
            return new LinkedBlockingQueue<Object>();
        } else if (LinkedBlockingDeque.class.equals(collectionType)) {
            return new LinkedBlockingDeque<Object>();
        } else if (List.class.equals(collectionType)) {
            return new LinkedList<Object>();
        } else if (Set.class.equals(collectionType)) {
            return new HashSet<Object>();
        } else if (Queue.class.equals(collectionType)) {
            return new PriorityQueue<Object>();
        } else if (Deque.class.equals(collectionType)) {
            return new ArrayDeque<Object>();
        } else if (Collection.class.equals(collectionType)) {
            return new LinkedList<Object>();
        }
        throw new IllegalArgumentException("Unsupported collection type: " + collectionType);
    }
}

Related

1. createLinkedBlockingQueue(Collection collection)
2. getCollection(Class propertyType)
3. newLinkedBlockingQeque(int capacity)
4. newLinkedBlockingQueue(final Collection c)