Java Collection Add addToCollection(T dest, boolean failOnNull, Iterable... srcs)

Description

add To Collection

License

Apache License

Declaration

public static <V, T extends Collection<? super V>> T addToCollection(T dest, boolean failOnNull,
            Iterable<? extends V>... srcs) 

Method Source Code

//package com.java2s;
/*//from ww  w. j a  v a  2 s.c  o m
 * Copyright 2010 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.
 */

import java.util.*;

public class Main {
    public static <V, T extends Collection<? super V>> T addToCollection(T dest, boolean failOnNull,
            Iterable<? extends V>... srcs) {
        for (Iterable<? extends V> src : srcs) {
            for (V v : src) {
                if (failOnNull && v == null) {
                    throw new IllegalArgumentException("Illegal null value provided in this collection: " + src);
                }
                dest.add(v);
            }
        }
        return dest;
    }

    public static <V, T extends Collection<? super V>> T addToCollection(T dest, Iterable<? extends V>... srcs) {
        return addToCollection(dest, false, srcs);
    }
}

Related

1. addToCollection(C collection, E... elements)
2. addToCollection(Collection collection, final T value)
3. addToCollection(Collection collection, T obj)
4. addToCollection(Collection theCollection, T... objects)
5. addToCollection(Iterator iterator, Collection collection)
6. addToCollectionIfNotNull(Collection collection, Object value)
7. addToString(final Collection output, final T element, final boolean stringifyNull)
8. appendToCollection(Collection col, String str)