Java File Extension Name Remove dropExtension(String filename)

Description

drop Extension

License

Apache License

Declaration

public static String dropExtension(String filename) 

Method Source Code

//package com.java2s;
/*//from  w  w w .j  av a 2  s . c o m
 * #%L
 * elk-util-common
 * 
 * $Id$
 * $HeadURL$
 * %%
 * Copyright (C) 2011 - 2012 Department of Computer Science, University of Oxford
 * %%
 * 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.
 * #L%
 */

public class Main {
    public static String dropExtension(String filename) {
        int index = -1;

        if ((index = filename.lastIndexOf('.')) < 0) {
            return filename;
        } else {
            return filename.substring(0, index);
        }
    }

    public static String dropExtension(String filename, String extension) {
        int index = -1;

        if ((index = filename.lastIndexOf("." + extension)) < 0) {
            return filename;
        } else {
            return filename.substring(0, index);
        }
    }
}

Related

1. dropExtension(final String fileName)
2. dropExtension(String inputFile)
3. dropExtensions(String FileName)