src/main/java/net/pterodactylus/sonitus/data/sink/FileSink.java

   1 /*
   2  * Sonitus - FileSink.java - Copyright © 2013 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sonitus.data.sink;
  19
  20 import java.io.FileNotFoundException;
  21 import java.io.FileOutputStream;
  22 import java.io.IOException;
  23 import java.util.logging.Logger;
  24
  25 import net.pterodactylus.sonitus.data.ConnectException;
  26 import net.pterodactylus.sonitus.data.Connection;
  27 import net.pterodactylus.sonitus.data.Sink;
  28 import net.pterodactylus.sonitus.data.Source;
  29
  30 import com.google.common.base.Preconditions;
  31
  32 /**
  33  * {@link Sink} that writes all received data into a file.
  34  *
  35  * @author <a href="mailto:bombe@pterodactylus.net">David ‘Bombe’ Roden</a>
  36  */
  37 public class FileSink implements Sink {
  38
  39         /** The logger. */
  40         private static final Logger logger = Logger.getLogger(FileSink.class.getName());
  41
  42         /** The path of the file to write to. */
  43         private final String path;
  44
  45         /**
  46          * Creates a new file sink that will write to the given path.
  47          *
  48          * @param path
  49          *              The path of the file to write to
  50          */
  51         public FileSink(String path) {
  52                 this.path = path;
  53         }
  54
  55         @Override
  56         public void connect(Source source) throws ConnectException {
  57                 Preconditions.checkNotNull(source, "source must not be null");
  58
  59                 try {
  60                         final FileOutputStream fileOutputStream = new FileOutputStream(path);
  61                         new Thread(new Connection(source) {
  62
  63                                 @Override
  64                                 protected int bufferSize() {
  65                                         return 65536;
  66                                 }
  67
  68                                 @Override
  69                                 protected void feed(byte[] buffer) throws IOException {
  70                                         fileOutputStream.write(buffer);
  71                                         logger.finest(String.format("FileSink: Wrote %d Bytes.", buffer.length));
  72                                 }
  73
  74                                 @Override
  75                                 protected void finish() throws IOException {
  76                                         fileOutputStream.close();
  77                                 }
  78                         }).start();
  79                 } catch (FileNotFoundException fnfe1) {
  80                         throw new ConnectException(fnfe1);
  81                 }
  82         }
  83
  84         @Override
  85         public void metadataUpdated() {
  86                 /* ignore. */
  87         }
  88
  89 }