Java URI to File Name getFileNameFromURI(final URI resourceAddress, final boolean usePathStyleUris)

Description

Gets the file name from the URI.

License

Apache License

Parameter

Parameter	Description
resourceAddress	the file URI
usePathStyleUris	a value indicating if the address is a path style URI

Return

the file's name

Declaration

public static String getFileNameFromURI(final URI resourceAddress, final boolean usePathStyleUris) 

Method Source Code

//package com.java2s;
/**/*  w w w  . j a  v a 2 s  .c om*/
 * Copyright Microsoft Corporation
 * 
 * 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.URI;

public class Main {
    /**
     * Gets the file name from the URI.
     * 
     * @param resourceAddress
     *            the file URI
     * @param usePathStyleUris
     *            a value indicating if the address is a path style URI
     * @return the file's name
     */
    public static String getFileNameFromURI(final URI resourceAddress, final boolean usePathStyleUris) {
        // generate an array of the different levels of the path
        final String[] pathSegments = resourceAddress.getRawPath().split("/");

        // usePathStyleUris ? baseuri/accountname/sharename/objectname : accountname.baseuri/sharename/objectname
        final int shareIndex = usePathStyleUris ? 2 : 1;

        if (pathSegments.length - 1 <= shareIndex) {
            // legal file addresses cannot end with or before the sharename
            throw new IllegalArgumentException(String.format("Invalid file address '%s'.", resourceAddress));
        } else {
            // in a legal file address the lowest level is the filename
            return pathSegments[pathSegments.length - 1];
        }
    }
}

Related

1. getFileName(URI path)
2. getFileName(URI uri)
3. getFileName(URI uri)
4. getFileName(URI uri)
5. getFileName(URI uri)
6. getFilenameFromURI(URI uri, boolean preserveExtension)
7. getFilePart(String uri)
8. getFileSystemURI(URI uri)