Java Path File Extention nio replaceExtensionWith(String toFilePath, String newExtension)

Description

replace Extension With

License

Apache License

Declaration

public static String replaceExtensionWith(String toFilePath, String newExtension) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright 2015-2016 - CNRS (Centre National de Recherche Scientifique)
 *
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.//from ww  w .j  a v a  2  s  .  c o  m
 *
 *******************************************************************************/

import java.io.File;

import java.nio.file.Paths;

public class Main {
    public static String replaceExtensionWith(String toFilePath, String newExtension) {
        String dirname = toFilePath.substring(0, toFilePath.lastIndexOf(File.separatorChar) + 1);
        String filename = toFilePath.substring(toFilePath.lastIndexOf(File.separatorChar) + 1, toFilePath.length());

        String basename = filename.contains(".") ? filename.substring(0, filename.lastIndexOf('.') + 1)
                : (filename + ".");

        return Paths.get(dirname, basename + newExtension).toString();

    }
}

Related

1. listFile(final String path, final String extension)
2. listFiles(final Path path, final String... extensions)
3. listFiles(String path, String extension)
4. removeExtension(final Path path)
5. removeExtension(Path file)
6. stripExtension(Path path, String extension)