sdis1819-t7g05

import java.io.File;

import java.io.FileOutputStream;

import java.io.IOException;

import java.util.ArrayList;

/**

 * BackupFile

 */

public class RestoreFile {

    private File file;

    private String fileId;

    private long numberOfChunks;

    private ArrayList<byte[]> chunks = new ArrayList<>();

    public RestoreFile(File file, String fileId, long numberOfChunks) {

        this.file = file;

        this.fileId = fileId;

        this.numberOfChunks = numberOfChunks;

    }

    public boolean restoreFile(File file) throws IOException {

        if (this.numberOfChunks != this.chunks.size()) {

                        System.out.println("restoreFile(): numberOfChunks = "+this.numberOfChunks+" chunks.size() = "+this.chunks.size());

            return false;

        }

        FileOutputStream stream = new FileOutputStream(this.file);

        for (byte[] chunk : this.chunks)

            stream.write(chunk);

        stream.close();

        return true;

    }

    /**

     * @return the chunks

     */

    public ArrayList<byte[]> getChunks() {

        return chunks;

    }

    /**

     * @return the fileId

     */

    public String getFileId() {

        return fileId;

    }

    public File getFile() {

        return this.file;

    }

        public boolean hasChunk(int i) {

        try {

            this.chunks.get(i);

        } catch (Exception e) {

            return false;

        }

                return true;

        }

}