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/*
* Copyright 2017 - 2022 Anton Tananaev (anton@traccar.org)
*
* 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 org.traccar.database;
import io.netty.buffer.ByteBuf;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.traccar.config.Config;
import org.traccar.config.Keys;
import javax.inject.Inject;
import javax.inject.Singleton;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.nio.ByteBuffer;
import java.nio.channels.FileChannel;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.text.SimpleDateFormat;
import java.util.Date;
@Singleton
public class MediaManager {
private static final Logger LOGGER = LoggerFactory.getLogger(MediaManager.class);
private final String path;
@Inject
public MediaManager(Config config) {
this.path = config.getString(Keys.MEDIA_PATH);
}
private File createFile(String uniqueId, String name) throws IOException {
Path filePath = Paths.get(path, uniqueId, name);
Path directoryPath = filePath.getParent();
if (directoryPath != null) {
Files.createDirectories(directoryPath);
}
return filePath.toFile();
}
public OutputStream createFileStream(String uniqueId, String name, String extension) throws IOException {
return new FileOutputStream(createFile(uniqueId, name + "." + extension));
}
public String writeFile(String uniqueId, ByteBuf buf, String extension) {
if (path != null) {
int size = buf.readableBytes();
String name = new SimpleDateFormat("yyyyMMddHHmmss").format(new Date()) + "." + extension;
try (FileOutputStream output = new FileOutputStream(createFile(uniqueId, name));
FileChannel fileChannel = output.getChannel()) {
ByteBuffer byteBuffer = buf.nioBuffer();
int written = 0;
while (written < size) {
written += fileChannel.write(byteBuffer);
}
fileChannel.force(false);
return name;
} catch (IOException e) {
LOGGER.warn("Save media file error", e);
}
}
return null;
}
}
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