Java Resource File getLastModified(final String resourceName)

Description

Use this if last modified in File didnt work , possible in compressed file But it seem that it checks for the modification time for the hall compressed file it worth checking.

License

Apache License

Parameter

Parameter	Description
resourceName	the resource name

Return

the last modified

Declaration

public static long getLastModified(final String resourceName)

Method Source Code

//package com.java2s;
/*//from  ww w.j  a va  2s.c  o m
 * Copyright 2002-2016 Jalal Kiswani.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import java.io.IOException;

import java.net.URL;
import java.net.URLConnection;

public class Main {
    /**
     * Use this if last modified in File didnt work , possible in compressed
     * file But it seem that it checks for the modification time for the hall
     * compressed file it worth checking.
     *
     * @param resourceName
     *            the resource name
     * @return the last modified
     */
    public static long getLastModified(final String resourceName) {
        try {
            final URL url = Integer.class.getResource(resourceName);
            if (url == null) {
                return -1;
            }
            final URLConnection con = url.openConnection();
            final long lastModified = con.getLastModified();
            con.getInputStream().close();
            return lastModified;
        } catch (final IOException e) {
            throw new RuntimeException(e);
        }
    }
}