FormTransferTask.java

package org.commcare.tasks;

import android.util.Log;

import org.commcare.activities.CommCareWiFiDirectActivity;
import org.commcare.logging.AndroidLogger;
import org.commcare.tasks.templates.CommCareTask;

import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.InetSocketAddress;
import java.net.Socket;

public abstract class FormTransferTask extends CommCareTask<String, String, Boolean, CommCareWiFiDirectActivity> {
    private static final int SOCKET_TIMEOUT = 50000;

    public static final int BULK_TRANSFER_ID = 9575922;

    private final String host;
    private final String filepath;
    private final int port;

    public FormTransferTask(String host, String filepath, int port) {
        this.taskId = BULK_TRANSFER_ID;
        this.host = host;
        this.filepath = filepath;
        this.port = port;
        TAG = AndroidLogger.TYPE_FORM_DUMP;
    }

    private InputStream getFormInputStream(String fPath) throws FileNotFoundException {
        Log.d(TAG, "Getting form input stream");
        InputStream is;
        Log.d(TAG, " fileinptutstream  with filepath: " + fPath);
        is = new FileInputStream(fPath);
        return is;

    }

    @Override
    protected Boolean doTaskBackground(String... params) {

        Log.d(TAG, " in form transfer onHandle");

        Socket socket = new Socket();
        InputStream is;

        try {
            Log.d(TAG, "Opening client socket with host: " + host + " port, " + port);
            socket.bind(null);
            socket.connect((new InetSocketAddress(host, port)), SOCKET_TIMEOUT);

            Log.d(TAG, "Client socket - " + socket.isConnected());
            OutputStream stream = socket.getOutputStream();

            is = getFormInputStream(filepath);
            CommCareWiFiDirectActivity.copyFile(is, stream);
            is.close();
            return true;
        } catch (IOException ioe) {

            Log.e(TAG, ioe.getMessage());
            publishProgress("Error opening input stream: " + ioe.getMessage());

            return false;
        } finally {
            try {
                socket.close();
            } catch (IOException e) {
                // Give up
                e.printStackTrace();
            }
        }
    }

}