Java Path File Extention nio removeExtension(Path file)

Description

Remove the extension information from the path.

License

Apache License

Parameter

Parameter	Description
file	the path

Return

the path without extension

Declaration

public static Path removeExtension(Path file) 

Method Source Code

//package com.java2s;
/*//from   w ww . ja v a  2 s.  co m
 * Copyright (C) 2016 Thiago Gutenberg Carvalho da Costa
 *
 * 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.io.IOException;

import java.nio.file.Files;
import java.nio.file.Path;

import java.nio.file.Paths;

import java.util.Optional;

import java.util.function.Function;
import java.util.function.Predicate;

public class Main {
    /**
     * Remove the extension information from the path.
     *
     * @param file the path
     * @return the path without extension
     */
    public static Path removeExtension(Path file) {
        Predicate<Path> filter = path -> {
            try {
                return !Files.isDirectory(path) && !Files.isHidden(path);
            } catch (IOException e) {
                throw new RuntimeException(e);
            }
        };

        Function<Path, Path> removeExtensionFunction = path -> {
            String strPath = path.toString();
            return Paths.get(strPath.substring(0, strPath.lastIndexOf('.')));
        };

        return Optional.ofNullable(file).filter(filter).map(removeExtensionFunction).orElse(file);
    }
}

Related

1. insertSuffixBeforeExtension(String path, String suffix)
2. listFile(final String path, final String extension)
3. listFiles(final Path path, final String... extensions)
4. listFiles(String path, String extension)
5. removeExtension(final Path path)
6. replaceExtensionWith(String toFilePath, String newExtension)
7. stripExtension(Path path, String extension)