Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.*;

public class Main {
    public static ArrayList asArrayList(Collection c) {
        return (ArrayList) asTargetTypeCollection(c, ArrayList.class);
    }

    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;
    }
}