io.openvidu.server.utils.CustomFileManager.java Source code

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Here is the source code for io.openvidu.server.utils.CustomFileManager.java

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/*
 * (C) Copyright 2017-2019 OpenVidu (https://openvidu.io/)
 *
 * 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 io.openvidu.server.utils;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;

import org.apache.commons.io.FileUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class CustomFileManager {

    private static final Logger log = LoggerFactory.getLogger(CustomFileManager.class);

    public void createAndWriteFile(String filePath, String text) {
        try {
            this.writeAndCloseOnOutputStreamWriter(new FileOutputStream(filePath), text);
        } catch (IOException e) {
            log.error("Couldn't create file {}. Error: {}", filePath, e.getMessage());
        }
    }

    public void overwriteFile(String filePath, String text) {
        try {
            this.writeAndCloseOnOutputStreamWriter(new FileOutputStream(filePath, false), text);
        } catch (IOException e) {
            log.error("Couldn't overwrite file {}. Error: {}", filePath, e.getMessage());
        }
    }

    public void moveFile(String filePath, String newFilePath, boolean deleteFoldersWhileEmpty) {
        try {
            FileUtils.moveFile(FileUtils.getFile(filePath), FileUtils.getFile(newFilePath));
        } catch (IOException e) {
            log.error("Error moving file '{}' to new path '{}': {}", filePath, newFilePath, e.getMessage());
        }
        if (deleteFoldersWhileEmpty) {
            boolean keepDeleting = true;
            File folder = new File(filePath).getParentFile();
            while (keepDeleting) {
                if (folder.exists() && folder.isDirectory() && folder.listFiles().length == 0) {
                    folder.delete();
                    folder = folder.getParentFile();
                } else {
                    keepDeleting = false;
                }
            }
        }
    }

    public boolean createFolderIfNotExists(String path) {
        File folder = new File(path);
        if (!folder.exists()) {
            return folder.mkdir();
        } else {
            return false;
        }
    }

    public void deleteFolder(String path) throws IOException {
        FileUtils.deleteDirectory(new File(path));
    }

    public void deleteFile(String path) throws IOException {
        new File(path).delete();
    }

    private void writeAndCloseOnOutputStreamWriter(FileOutputStream fos, String text) throws IOException {
        OutputStreamWriter osw = null;
        try {
            osw = new OutputStreamWriter(fos);
            osw.write(text);
        } finally {
            osw.close();
            fos.close();
        }
    }

}