Java URL Value Check isFileURL(URL url)

Description

Returns true if the given URL is a reference to the local file system.

License

Apache License

Parameter

Parameter	Description
url	the URL to analyze

Return

boolean

Declaration

public static boolean isFileURL(URL url) 

Method Source Code

//package com.java2s;
/**//  w w  w.j  ava 2 s  .  c  o  m
 * Copyright (C) 2014 OpenTravel Alliance (info@opentravel.org)
 *
 * 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.net.URL;

public class Main {
    /**
     * Returns true if the given URL is a reference to the local file system.
     * 
     * @param url
     *            the URL to analyze
     * @return boolean
     */
    public static boolean isFileURL(URL url) {
        String protocol = url.getProtocol();
        String authority = url.getAuthority();

        return (protocol != null) && protocol.equals("file")
                && ((authority == null) || authority.equals("") || authority.equalsIgnoreCase("localhost"));
    }
}

Related

1. isFileURL(URL url)
2. isFileURL(URL url)
3. isFileURL(URL url)
4. isFileURL(URL url)
5. isFileUrl(URL url)
6. isFileURL(URL url)
7. isHosting(URL url_in)
8. isHTTP(URL url)
9. isHttpOk(String url)