jp.furplag.util.commons.FileUtils.java Source code

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Here is the source code for jp.furplag.util.commons.FileUtils.java

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/**
 * Copyright (C) 2015+ furplag (https://github.com/furplag/)
 *
 * 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.
 */
package jp.furplag.util.commons;

import java.io.File;
import java.io.IOException;

import jp.furplag.util.JSONifier;

import org.apache.commons.io.FilenameUtils;

public class FileUtils extends org.apache.commons.io.FileUtils {

    protected FileUtils() {
        super();
    }

    public static boolean createNewFile(String filename) {
        return createNewFile(filename, true);
    }

    private static boolean createNewFile(String filename, boolean printStackTrace) {
        try {
            if (StringUtils.isSimilarToBlank(filename))
                throw new IOException("path must not be empty.");
            String path = normalize(filename);
            File file = new File(path);
            if (file.exists() && file.isDirectory())
                throw new IOException(normalize(file.getAbsolutePath()) + " is directory.");
            path = normalize(file.getAbsolutePath());
            forceMkdir(StringUtils.truncateLast(path, "/.*"));
            if (!file.exists())
                return file.createNewFile();

        } catch (Exception e) {
            if (printStackTrace)
                e.printStackTrace();
        }

        return false;
    }

    private static void forceMkdir(String path) throws IOException {
        if (StringUtils.isSimilarToBlank(path)) {
            throw new IOException("path must not be empty.");
        }

        forceMkdir(new File(normalize(path)));
    }

    private static String normalize(String filename) {
        return FilenameUtils.normalizeNoEndSeparator(filename, true);
    }

    public static void main(String[] args) {
        String filename = "/test.txt";
        System.out.println(createNewFile(filename) ? JSONifier.stringifyLazy(new File(filename)) : "fail");
    }
}