1 package org.jf.dexlib2.writer.io; 2 3 import org.jf.util.RandomAccessFileInputStream; 4 import org.jf.util.RandomAccessFileOutputStream; 5 6 import javax.annotation.Nonnull; 7 import java.io.*; 8 9 public class FileDataStore implements DexDataStore { 10 private final RandomAccessFile raf; 11 12 public FileDataStore(@Nonnull File file) throws FileNotFoundException, IOException { 13 this.raf = new RandomAccessFile(file, "rw"); 14 this.raf.setLength(0); 15 } 16 17 @Nonnull @Override public OutputStream outputAt(int offset) { 18 return new RandomAccessFileOutputStream(raf, offset); 19 } 20 21 @Nonnull @Override public InputStream readAt(int offset) { 22 return new RandomAccessFileInputStream(raf, offset); 23 } 24 25 @Override public void close() throws IOException { 26 raf.close(); 27 } 28 } 29
