Java Iterable valueOfMultiple(Iterable... iterables)

Description

Returns a List of the Iterator s related to the given Iterable s

License

Apache License

Parameter

Parameter	Description
iterables	a parameter

Declaration

@SuppressWarnings("unchecked")
public static <E> Iterator<E>[] valueOfMultiple(Iterable<E>... iterables) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2012 Danny Kunz/*  w  w w.  j a  va2  s.  c om*/
 * 
 * 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.ArrayList;

import java.util.Iterator;
import java.util.List;

public class Main {
    /**
     * Returns a {@link List} of the {@link Iterator}s related to the given {@link Iterable}s
     * 
     * @param iterables
     * @return
     */
    @SuppressWarnings("unchecked")
    public static <E> Iterator<E>[] valueOfMultiple(Iterable<E>... iterables) {
        List<Iterator<E>> retlist = new ArrayList<Iterator<E>>();

        if (iterables != null) {
            for (Iterable<E> iterable : iterables) {
                if (iterable != null) {
                    Iterator<E> iterator = iterable.iterator();
                    if (iterator != null) {
                        retlist.add(iterator);
                    }
                }
            }
        }

        return retlist.toArray(new Iterator[0]);
    }
}

Related

1. secondOf(final Iterable iterable)
2. sequenceEqual(Iterable one, Iterable two)
3. shallowCopy(Iterable ori)
4. toFriendlyString(Iterable iterable, String seperator)
5. unique(Iterable source, T defaultElement)