Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Collection;

import java.util.Enumeration;
import java.util.Iterator;

import java.util.Map;

import org.springframework.util.ObjectUtils;

public class Main {
    /**
     * Return <code>true</code> if any element in '<code>candidates</code>' is
     * contained in '<code>source</code>'; otherwise returns <code>false</code>.
     * @param source the source Collection
     * @param candidates the candidates to search for
     * @return whether any of the candidates has been found
     */
    public static boolean containsAny(Collection source, Collection candidates) {
        if (isEmpty(source) || isEmpty(candidates)) {
            return false;
        }
        for (Object candidate : candidates) {
            if (source.contains(candidate)) {
                return true;
            }
        }
        return false;
    }

    /**
     * Return <code>true</code> if the supplied Collection is <code>null</code>
     * or empty. Otherwise, return <code>false</code>.
     * @param collection the Collection to check
     * @return whether the given Collection is empty
     */
    public static boolean isEmpty(Collection collection) {
        return (collection == null || collection.isEmpty());
    }

    /**
     * Return <code>true</code> if the supplied Map is <code>null</code>
     * or empty. Otherwise, return <code>false</code>.
     * @param map the Map to check
     * @return whether the given Map is empty
     */
    public static boolean isEmpty(Map map) {
        return (map == null || map.isEmpty());
    }

    /**
     * Check whether the given Iterator contains the given element.
     * @param iterator the Iterator to check
     * @param element the element to look for
     * @return <code>true</code> if found, <code>false</code> else
     */
    public static boolean contains(Iterator iterator, Object element) {
        if (iterator != null) {
            while (iterator.hasNext()) {
                Object candidate = iterator.next();
                if (ObjectUtils.nullSafeEquals(candidate, element)) {
                    return true;
                }
            }
        }
        return false;
    }

    /**
     * Check whether the given Enumeration contains the given element.
     * @param enumeration the Enumeration to check
     * @param element the element to look for
     * @return <code>true</code> if found, <code>false</code> else
     */
    public static boolean contains(Enumeration enumeration, Object element) {
        if (enumeration != null) {
            while (enumeration.hasMoreElements()) {
                Object candidate = enumeration.nextElement();
                if (ObjectUtils.nullSafeEquals(candidate, element)) {
                    return true;
                }
            }
        }
        return false;
    }
}