Java URL Value Check isFileInJar(URL resource)

Description

Checks if a URL designates a single file in a Jar or not.

License

Open Source License

Parameter

Parameter	Description
resource	the resource to test

Return

True if the resource is a single file, false otherwise.

Declaration

public static boolean isFileInJar(URL resource) 

Method Source Code

//package com.java2s;
/*//from  w ww .  ja v a 2  s  .  co  m
 * IzPack - Copyright 2001-2012 Julien Ponge, All Rights Reserved.
 *
 * http://izpack.org/
 * http://izpack.codehaus.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 {
    /**
     * Checks if a URL designates a single file in a Jar or not.
     * This is useful to differentiate packages and single files on merges.
     * It is assumed that <code>ResolveUtils.isJar(resource)</code> returns <code>true</code>.
     *
     * @param resource the resource to test
     * @return True if the resource is a single file, false otherwise.
     */
    public static boolean isFileInJar(URL resource) {
        // If anyone has a better idea...
        return resource.getPath().matches(".*(\\.\\w+)");
    }
}

Related

1. isEMailAddress(URL url)
2. isFile(final URL url)
3. isFile(final URL url)
4. isFile(URL url)
5. isFile(URL url)
6. isFileResource(URL resource)
7. isFileSpecified(URL url)
8. isFileURL(String path)
9. isFileURL(URL repositoryURL)