Main.java Source code

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Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (c) 2016 Qiscus.
 *
 * 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.File;

public class Main {
    public static String getExtension(File file) {
        return getExtension(file.getPath());
    }

    public static String getExtension(String fileName) {
        int lastDotPosition = fileName.lastIndexOf('.');
        String ext = fileName.substring(lastDotPosition + 1);
        ext = ext.replace("_", "");
        return ext.trim().toLowerCase();
    }
}