Java Array to ArrayList asArrayList(Collection c)

Description

as Array List

License

Open Source License

Declaration

public static ArrayList asArrayList(Collection c) 

Method Source Code

//package com.java2s;

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

public class Main {
    public static ArrayList asArrayList(Collection c) {
        return (ArrayList) asTargetTypeCollection(c, ArrayList.class);
    }// w ww . j a v a  2 s .  c  om

    public static Collection asTargetTypeCollection(Collection c, Class targetCollectionClass) {
        if (targetCollectionClass == null)
            throw new IllegalArgumentException("'targetCollectionClass' must be not null");
        if (c == null)
            return null;
        if (targetCollectionClass.isInstance(c))
            return c;

        Collection result = null;

        try {
            result = (Collection) targetCollectionClass.newInstance();
        } catch (Exception e) {
            throw new IllegalArgumentException(
                    "targetCollectionClass=" + targetCollectionClass.getName() + " is not correct!", e);
        }

        result.addAll(c);
        return result;
    }
}

Related

1. arrayToArrayList(Object[] array)
2. arrayToArrayList(Object[] myArray)
3. arrayToArraylist(String[] array)
4. arrayToArrayList(T[] array)
5. arrayToArraylist(T[] array)
6. asArrayList(T... elements)
7. asArrayList(T[] tArray)
8. asArrayList(T[] values)
9. byteArrayToArrayList(byte[] byteArray)