Java Collection Combine combineCollections(Collection sessionCollection, Collection reqCollection)

Description

combine Collections

License

Open Source License

Declaration

public static <T> Collection<T> combineCollections(Collection<T> sessionCollection,
            Collection<T> reqCollection) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2006-2010 eBay Inc. All Rights Reserved.
 * 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
 *******************************************************************************/

import java.util.ArrayList;
import java.util.Collection;

public class Main {
    public static <T> Collection<T> combineCollections(Collection<T> sessionCollection,
            Collection<T> reqCollection) {
        Collection<T> result = null;

        if (sessionCollection != null && !sessionCollection.isEmpty()) {
            result = new ArrayList<T>();
            result.addAll(sessionCollection);
        }/* w  w w .  j a  va 2s.c  om*/

        if (reqCollection != null && !reqCollection.isEmpty()) {
            if (result == null) {
                result = new ArrayList<T>();
            }
            result.addAll(reqCollection);
        }

        return result;
    }
}

Related

1. combine(final Collection[] c)
2. combine(String separator, Collection parts)
3. combine(String separator, Collection stringCollection)
4. combine(String separator, Collection objs)
5. combineAndRemoveDuplicates(Collection collection1, Collection collection2)
6. CombineCollections(final Collection... collections)
7. combineNames(Collection