eu.liveGov.libraries.livegovtoolkit.helper.LogFileHelper.java Source code

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Here is the source code for eu.liveGov.libraries.livegovtoolkit.helper.LogFileHelper.java

Source

package eu.liveGov.libraries.livegovtoolkit.helper;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.TimeZone;

import org.apache.http.HttpResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import android.content.Context;

import com.google.gson.Gson;
import com.google.gson.stream.JsonReader;

import eu.liveGov.libraries.livegovtoolkit.interfaces.WebcallsListener;
import eu.liveGov.libraries.livegovtoolkit.objects.ServiceApiErrorObject;

/**
 * Keep log of actions during the app.
 * 
 * @copyright   Copyright (C) 2012 - 2014 Information Technology Institute ITI-CERTH. All rights reserved.
 * @license     GNU Affero General Public License version 3 or later; see LICENSE.txt
 * @author      Dimitrios Ververidis for the Multimedia Group (http://mklab.iti.gr). 
 *
 */
public class LogFileHelper implements WebcallsListener {
    private static String logFileLocation;

    private static final Logger logger = LoggerFactory.getLogger(DownloadHelper.class);

    public static String getLogFileLocation() {
        return logFileLocation;
    }

    public static void setLogFileLocation(String logFileLocation) {
        LogFileHelper.logFileLocation = logFileLocation;
    }

    public void postLogFile(Context con) {
        if (logFileLocation != null) {
            logger.info("postLogFile; prepaire to send log file");
            File file = new File(logFileLocation);
            File tmpFile = new File(logFileLocation + ".tmp");
            if (tmpFile.exists())
                tmpFile.delete();
            try {

                copy(file, tmpFile);
                new FileOutputStream(file, false).close(); //creates an empty log file.
                TimeZone tz = TimeZone.getTimeZone("UTC");
                SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm'Z'");
                df.setTimeZone(tz);
                String nowAsISO = df.format(new Date());
                logger.info("Starting new log file... ({})", nowAsISO);
                String json = "{\"filename\" : \"A_" + UserInformationHelper.getAnonymousUserId(con)
                        + "_log.log\", \"enddate\" : \"" + nowAsISO + "\"}";
                new DownloadHelper(this).postLogFile(tmpFile, json);
            } catch (IOException ioe) {
                logger.error("postLogFile; {}", ioe);
                try {
                    tmpFile.delete();
                } catch (Exception e) {
                }
            }
        }
    }

    private void copy(File src, File dst) throws IOException {
        InputStream in = new FileInputStream(src);
        OutputStream out = new FileOutputStream(dst);

        // Transfer bytes from in to out
        byte[] buf = new byte[1024];
        int len;
        while ((len = in.read(buf)) > 0) {
            out.write(buf, 0, len);
        }
        in.close();
        out.close();
    }

    @Override
    public void webcallReady(HttpResponse response) {
        if (response != null && response.getStatusLine().getStatusCode() != 200) {
            try {
                Gson gson = new Gson();
                JsonReader jr = new JsonReader(new InputStreamReader(response.getEntity().getContent()));
                ServiceApiErrorObject result = gson.fromJson(jr, ServiceApiErrorObject.class);
                logger.error("webcallReady;statuscode: {}, mesaage:{}", response.getStatusLine().getStatusCode(),
                        result.getMessage());
            } catch (Exception e) {
                logger.error("webcallReady;statuscode: {}", response.getStatusLine().getStatusCode());
            }
        }
        File tmpFile = new File(logFileLocation + ".tmp");
        if (tmpFile.exists())
            tmpFile.delete();
    }
}