Compares the content of the two list, no matter how they are ordered - Java java.util

Java examples for java.util:List Compare

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Description

Compares the content of the two list, no matter how they are ordered

Demo Code

/******************************************************************************* 
 * Copyright (c) 2008 - 2014 Red Hat, Inc. and others. 
 * Distributed under license by Red Hat, Inc. All rights reserved. 
 * This program is made available under the terms of the 
 * Eclipse Public License v1.0 which accompanies this distribution, 
 * and is available at http://www.eclipse.org/legal/epl-v10.html 
 * //from w  ww  .  jav  a2  s .  c  om
 * Contributors: 
 * Xavier Coulon - Initial API and implementation 
 ******************************************************************************/
//package com.book2s;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

public class Main {
    public static void main(String[] argv) {
        List test = java.util.Arrays.asList("asdf", "book2s.com");
        List control = java.util.Arrays.asList("asdf", "book2s.com");
        System.out.println(containsInAnyOrder(test, control));
    }

    /**
     * Compares the content of the two list, no matter how they are ordered
     * @param test the list containing items to check
     * @param control the list containing the expected values
     * @return {@code true}
     */
    public static <T extends Comparable<? super T>> boolean containsInAnyOrder(
            final List<T> test, final List<T> control) {
        if (test == null || control == null) {
            return false;
        }
        if (test.size() != control.size()) {
            return false;
        }
        final List<T> orderedControl = new LinkedList<T>(control);
        Collections.sort(orderedControl);
        final List<T> orderedTest = new LinkedList<T>(test);
        Collections.sort(orderedTest);
        final Iterator<T> testIterator = orderedTest.iterator();
        for (Iterator<T> controlIterator = orderedControl.iterator(); controlIterator
                .hasNext();) {
            T controlItem = controlIterator.next();
            T testItem = testIterator.next();
            if (testItem == null || !testItem.equals(controlItem)) {
                return false;
            }
        }
        return true;
    }
}

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