Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.util.Collections;
import java.util.Comparator;

import java.util.List;

public class Main {
    /**
     * the class name comparator, and substring the last index of '.'
     */
    private static final Comparator<String> SIMPLE_NAME_COMPARATOR = new Comparator<String>() {

        public int compare(String s1, String s2) {
            if (s1 == null && s2 == null) {
                return 0;
            }
            if (s1 == null) {
                return -1;
            }
            if (s2 == null) {
                return 1;
            }
            int i1 = s1.lastIndexOf('.');
            if (i1 >= 0) {
                s1 = s1.substring(i1 + 1);
            }
            int i2 = s2.lastIndexOf('.');
            if (i2 >= 0) {
                s2 = s2.substring(i2 + 1);
            }
            return s1.compareToIgnoreCase(s2);
        }
    };

    /**
     * Compare the list with the simple-name-comparator.
     * @param list
     *          the list argument.
     * @return
     *          the sorted list.
     */
    public static List<String> sortSimpleName(List<String> list) {
        if (list != null && list.size() > 0) {
            Collections.sort(list, SIMPLE_NAME_COMPARATOR);
        }
        return list;
    }

    @SuppressWarnings({ "unchecked", "rawtypes" })
    public static <T> List<T> sort(List<T> list) {
        if (list != null && list.size() > 0) {
            Collections.sort((List) list);
        }
        return list;
    }
}