Exemple #1
0
  /**
   * Reads an image from an archived file and return it as ByteBuffer object.
   *
   * @author Mike Butler, Kiet Le
   */
  private ByteBuffer readImage(String filename, Dimension dim) {
    if (dim == null) dim = new Dimension(0, 0);
    ByteBuffer bytes = null;
    try {
      DataInputStream dis =
          new DataInputStream(getClass().getClassLoader().getResourceAsStream(filename));
      dim.width = dis.readInt();
      dim.height = dis.readInt();
      System.out.println("Creating buffer, width: " + dim.width + " height: " + dim.height);
      // byte[] buf = new byte[3 * dim.height * dim.width];
      bytes = BufferUtil.newByteBuffer(3 * dim.width * dim.height);
      for (int i = 0; i < bytes.capacity(); i++) {
        bytes.put(dis.readByte());
      }
      dis.close();

    } catch (Exception e) {
      e.printStackTrace();
    }
    bytes.rewind();
    return bytes;
  }
Exemple #2
0
  /**
   * Parse the section file and fill in the Dbase.
   *
   * @return Success code
   */
  public void parse() throws Exception {
    JOAParameter tempProperties[] = new JOAParameter[100];
    FileInputStream in = null;
    DataInputStream inData = null;
    short inShort = 0;
    long bytesRead = 0;
    long bytesInFile = mFile.length();
    short[] sarray = new short[1];
    int mTotalStns = 0;

    EPSProgressDialog mProgress = new EPSProgressDialog(new Frame(), mProgressStr, Color.blue);
    mProgress.setVisible(true);

    // Get an epic key database specific to JOA
    EPIC_Key_DB mEpicKeyDB = new EPIC_Key_DB("joa_epic.key");

    // Get an epic key database specific to JOA
    EPIC_Key_DB mOrigEpicKeyDB = new EPIC_Key_DB("epic.key");

    // create a vector for temporary storage of the dbases
    Vector dBases = new Vector(100);

    try {
      in = new FileInputStream(mFile);
      BufferedInputStream bis = new BufferedInputStream(in, 1000000);
      inData = new DataInputStream(bis);

      // read version
      short vers = inData.readShort();
      bytesRead += 2;

      if (vers < 2) {
        FileImportException fiex = new FileImportException();
        String errStr = "Invalid version for a JOA binary file";
        fiex.setErrorType(errStr);
        throw fiex;
      }

      // read number of bytes in file description string
      inShort = inData.readShort();
      bytesRead += 2;

      // read the file description String
      byte buf[] = new byte[inShort];
      inData.read(buf, 0, inShort);
      String fileDescrip = new String(buf);
      bytesRead += inShort;

      // create a new open file object
      JOADataFile of = new JOADataFile(fileDescrip);

      // read the number of sections
      int numSections = inData.readShort();
      bytesRead += 2;

      // read each section
      JOASection sech;
      int ord = 0;
      for (int s = 0; s < numSections; s++) {
        mProgress.setPercentComplete(100.0 * ((double) bytesRead / (double) bytesInFile));

        // read the section header
        inShort = inData.readShort();
        bytesRead += 2;
        byte buf1[] = new byte[inShort];
        inData.read(buf1, 0, inShort);
        String sectionDescrip = new String(buf1);
        bytesRead += inShort;

        // read the ship code
        byte bufsc[] = new byte[2];
        bufsc[0] = inData.readByte();
        bufsc[1] = inData.readByte();
        String shipCode = new String(bufsc);
        bytesRead += 2;

        // read num casts
        int numCasts = inData.readShort();
        bytesRead += 2;

        // read num parameters
        int numVars = inData.readShort();
        bytesRead += 2;

        // quality code
        int qcStd = 1;
        if (vers == 4) {
          qcStd = inData.readShort();
          bytesRead += 2;
        }

        // create a new section
        of.mNumSections++;
        sech = new JOASection(of.mNumSections, sectionDescrip, shipCode, numCasts, numVars);

        if (vers == 2) {
          // read the properties
          byte bufv[] = new byte[4];
          for (int p = 0; p < numVars; p++) {
            // parameter name
            inData.read(bufv, 0, 4);
            String tempVar = new String(bufv);
            bytesRead += 4;

            // units
            inShort = inData.readShort();
            bytesRead += 2;

            String units = null;
            if (inShort > 0) {
              byte buf11[] = new byte[inShort];
              inData.read(buf11, 0, inShort);
              units = new String(buf11);
              bytesRead += inShort;
            }

            // convert varnames to UC
            tempVar.toUpperCase();

            // create new property
            tempProperties[p] = new JOAParameter(tempVar, units);

            // add this property to the section property list
            if (tempProperties[p].mUnits == null) {
              tempProperties[p].mUnits =
                  EPS_Util.paramNameToJOAUnits(false, tempProperties[0].mVarLabel);
            }

            if (tempProperties[p].mUnits == null) {
              tempProperties[p].mUnits = new String("na");
            }
            tempProperties[p].mCastOrObs = EPSConstants.ALL_OBS;

            // read the actual scale
            int actScale = inData.readShort();
            bytesRead += 2;

            if (actScale != 0) tempProperties[p].mActScale = 1.0 / (double) actScale;
            else tempProperties[p].mActScale = 1.0;

            // read the actual origin
            int actOrigin = inData.readShort();
            tempProperties[p].mActOrigin = (double) actOrigin * tempProperties[p].mActScale;

            // read reverse y
            int reverseY = inData.readShort();
            bytesRead += 2;

            if (reverseY == 0) tempProperties[p].mReverseY = false;
            else tempProperties[p].mReverseY = true;

            tempProperties[p].mWasCalculated = false;
          }
        } else {
          // read the properties
          String tempVar = null;
          for (int p = 0; p < numVars; p++) {
            // length of parameter name
            inShort = inData.readShort();
            bytesRead += 2;

            // parameter name
            if (inShort > 0) {
              byte buf13[] = new byte[inShort];
              inData.read(buf13, 0, inShort);
              tempVar = new String(buf13);
              bytesRead += inShort;
            }

            // units
            inShort = inData.readShort();
            bytesRead += 2;

            String units = null;
            if (inShort > 0) {
              byte buf11[] = new byte[inShort];
              inData.read(buf11, 0, inShort);
              units = new String(buf11);
              bytesRead += inShort;
            }

            // convert varnames to UC
            tempVar = tempVar.toUpperCase();

            // create new property
            tempProperties[p] = new JOAParameter(tempVar, units);

            // add this property to the section property list
            if (tempProperties[p].mUnits == null) {
              tempProperties[p].mUnits =
                  EPS_Util.paramNameToJOAUnits(false, tempProperties[0].mVarLabel);
            }

            if (tempProperties[p].mUnits == null) {
              tempProperties[p].mUnits = new String("na");
            }
            tempProperties[p].mCastOrObs = EPSConstants.ALL_OBS;

            // read the actual scale
            int actScale = inData.readShort();
            bytesRead += 2;
            if (actScale != 0) tempProperties[p].mActScale = 1.0 / (double) actScale;
            else tempProperties[p].mActScale = 1.0;

            // read the actual origin
            int actOrigin = inData.readShort();
            tempProperties[p].mActOrigin = (double) actOrigin * tempProperties[p].mActScale;

            // read reverse y
            int reverseY = inData.readShort();
            bytesRead += 2;
            if (reverseY == 0) tempProperties[p].mReverseY = false;
            else tempProperties[p].mReverseY = true;

            tempProperties[p].mWasCalculated = false;
          }
        }

        // read the cast headers
        for (int c = 0; c < numCasts; c++) {
          // read station number
          inShort = inData.readShort();
          bytesRead += 2;
          byte bufx[] = new byte[inShort];
          inData.read(bufx, 0, inShort);
          String stnNum = new String(bufx);
          bytesRead += inShort;

          // read cast number
          int castNum = inData.readShort();
          bytesRead += 2;

          double myLat = 0.0;
          double myLon = 0.0;
          if (vers == 2) {
            // read latitude/lon
            int lat = inData.readInt();
            bytesRead += 4;

            int lon = inData.readInt();
            bytesRead += 4;

            myLat = lat * 0.001;
            myLon = lon * 0.001;
          } else if (vers > 2) {
            // read latitude/lon
            myLat = inData.readDouble();
            bytesRead += 8;

            myLon = inData.readDouble();
            bytesRead += 4;
          }

          // read number of bottles
          int numBottles = inData.readShort();
          bytesRead += 2;

          // read the date
          int year = inData.readInt();
          bytesRead += 4;
          int month = inData.readInt();
          bytesRead += 4;
          int day = inData.readInt();
          bytesRead += 4;
          int hour = inData.readInt();
          bytesRead += 4;
          double min = inData.readDouble();
          bytesRead += 8;

          // read bottom
          int bottomdbar = inData.readInt();

          // read station quality
          int stnQual = inData.readShort();
          bytesRead += 2;

          ord++;
          JOAStation sh =
              new JOAStation(
                  ord,
                  shipCode,
                  stnNum,
                  castNum,
                  myLat,
                  myLon,
                  numBottles,
                  year,
                  month,
                  day,
                  hour,
                  min,
                  bottomdbar,
                  stnQual);
          sech.mStations.addElement(sh);
          sh.setType("JOA BOTTLE");

          // make a DBase object
          Dbase db = new Dbase();

          // add the global attributes
          db.addEPSAttribute(
              "CRUISE", EPCHAR, sech.mSectionDescription.length(), sech.mSectionDescription);
          db.addEPSAttribute("CAST", EPCHAR, sh.mStnNum.length(), sh.mStnNum);
          sarray[0] = (short) sh.mBottomDepthInDBARS;
          db.addEPSAttribute("WATER_DEPTH", EPSHORT, 1, sarray);
          db.addEPSAttribute("DATA_ORIGIN", EPCHAR, sech.mShipCode.length(), sech.mShipCode);
          String dType = sh.getType();
          if (dType == null) dType = "UNKN";
          db.addEPSAttribute("DATA_TYPE", EPCHAR, dType.length(), dType);
          sarray[0] = (short) stnQual;
          db.addEPSAttribute("STN_QUALITY", EPSHORT, 1, sarray);
          db.setDataType("JOA BOTTLE");

          // add to temporary collection
          dBases.addElement(db);
        }

        int start = mTotalStns;
        int end = sech.mStations.size() + mTotalStns;
        for (int sc = start; sc < end; sc++) {
          mProgress.setPercentComplete(100.0 * ((double) bytesRead / (double) bytesInFile));

          // get a dBase
          Dbase db = (Dbase) dBases.elementAt(sc);

          // get a station
          JOAStation sh = (JOAStation) sech.mStations.elementAt(sc - start);

          // create an array of arrays to store the data
          double[][] va = new double[sech.mNumVars][sh.mNumBottles];
          int[][] qc = new int[sech.mNumVars][sh.mNumBottles];
          short[] bqc = new short[sh.mNumBottles];
          int presPos = 0;

          // read the bottles
          for (int b = 0; b < sh.mNumBottles; b++) {
            // read the bottle quality code
            bqc[b] = inData.readShort();
            bytesRead += 2;

            for (int v = 0; v < sech.mNumVars; v++) {
              // store the position of the PRES variable
              if (tempProperties[v].mVarLabel.equals("PRES")) presPos = v;

              // get the measured parameter
              double dVarVal = EPSConstants.MISSINGVALUE;
              try {
                dVarVal = inData.readDouble();
              } catch (IOException e) {
                FileImportException fiex = new FileImportException();
                String errStr =
                    "Error reading the parameter data. "
                        + "\n"
                        + "Bottle #"
                        + b
                        + " Parameter #"
                        + v;
                fiex.setErrorType(errStr);
                throw fiex;
              }
              bytesRead += 8;

              // store the value in the multidimensional array
              va[v][b] = dVarVal;

              // get the quality flag
              short flag = (short) EPSConstants.MISSINGVALUE;

              try {
                flag = inData.readShort();
              } catch (IOException e) {
                FileImportException fiex = new FileImportException();
                String errStr =
                    "Error reading the parameter quality code. "
                        + "\n"
                        + "Bottle #"
                        + b
                        + " Parameter #"
                        + v;
                fiex.setErrorType(errStr);
                throw fiex;
              }
              bytesRead += 2;
              qc[v][b] = flag;
            } // for v
          } // for b

          // add the bottle quality codes as an attribute
          db.addEPSAttribute("BOTTLE_QUALITY_CODES", EPSHORT, sh.mNumBottles, bqc);

          // create the axes time = 0, depth = 1, lat = 2, lon = 3
          Axis timeAxis = new Axis();
          Axis zAxis = new Axis();
          Axis latAxis = new Axis();
          Axis lonAxis = new Axis();

          // time axis
          timeAxis.setName("time");
          timeAxis.setTime(true);
          timeAxis.setUnlimited(false);
          timeAxis.setAxisType(EPTAXIS);
          timeAxis.setLen(1);

          int hour = 0;
          if (sh.mHour != EPSConstants.MISSINGVALUE) hour = sh.mHour;

          double mins = 0;
          if (sh.mMinute != EPSConstants.MISSINGVALUE) mins = sh.mMinute;

          // make the time axis units
          String date = "days since ";
          int min = (int) mins;
          double fmin = mins - min;
          int secs = (int) (fmin * 60.0);
          double fsec = (fmin * 60.0) - secs;
          int msec = (int) (fsec * 1000.0);
          String fs = String.valueOf(fsec);
          fs = fs.substring(fs.indexOf(".") + 1, fs.length()).trim();
          int f = 0;
          if (fs != null && fs.length() > 0) f = Integer.valueOf(fs).intValue();

          // sprintf(time_string,"%04d-%02d-%02d %02d:%02d:%02d.%03d",yr,mon,day,hr,min,sec,f);
          String frmt =
              new String(
                  "{0,number,####}-{1,number,00}-{2,number,00} {3,number,00}:{4,number,00}:{5,number,00}.{6,number,000}");
          MessageFormat msgf = new MessageFormat(frmt);

          Object[] objs = {
            new Integer(sh.mYear),
            new Integer(sh.mMonth),
            new Integer(sh.mDay),
            new Integer(hour),
            new Integer(min),
            new Integer(secs),
            new Integer(f)
          };
          StringBuffer out = new StringBuffer();
          msgf.format(objs, out, null);
          String time_string = new String(out);
          date = date + time_string;
          timeAxis.addAttribute(0, "units", EPCHAR, date.length(), date);
          timeAxis.setUnits(date);
          GeoDate gd = null;
          try {
            gd = new GeoDate(sh.mMonth, sh.mDay, sh.mYear, hour, min, secs, msec);
            GeoDate[] ta = {gd};
            MultiArray tma = new ArrayMultiArray(ta);

            timeAxis.setData(tma);
            db.setAxis(timeAxis);
          } catch (Exception ex) {
            GeoDate[] ta = {new GeoDate()};
            MultiArray tma = new ArrayMultiArray(ta);

            timeAxis.setData(tma);
            db.setAxis(timeAxis);
          }

          // add the time axes variable
          EPSVariable var = new EPSVariable();
          var.setOname("time");
          var.setDtype(EPDOUBLE);
          var.setVclass(Double.TYPE);
          var.addAttribute(0, "units", EPCHAR, date.length(), date);
          var.setUnits(date);
          double[] vta = {0.0};
          MultiArray vtma = new ArrayMultiArray(vta);
          try {
            var.setData(vtma);
          } catch (Exception ex) {
          }
          db.addEPSVariable(var);

          // z axis
          zAxis.setName("depth");
          zAxis.setTime(false);
          zAxis.setUnlimited(false);
          zAxis.setLen(sh.mNumBottles);
          zAxis.setAxisType(EPZAXIS);
          zAxis.addAttribute(0, "FORTRAN_format", EPCHAR, 5, "f10.1");
          zAxis.addAttribute(1, "units", EPCHAR, 4, "dbar");
          zAxis.setUnits("dbar");
          zAxis.setFrmt("f10.1");
          // zAxis.addAttribute(2, "type", EPCHAR, 0, "");
          sarray[0] = 1;
          zAxis.addAttribute(2, "epic_code", EPSHORT, 1, sarray);
          double[] za = new double[sh.mNumBottles];
          for (int b = 0; b < sh.mNumBottles; b++) {
            za[b] = va[presPos][b];
          }
          MultiArray zma = new ArrayMultiArray(za);
          zAxis.setData(zma);
          db.setAxis(zAxis);

          // add the z axes variables
          var = new EPSVariable();
          var.setOname("depth");
          var.setDtype(EPDOUBLE);
          var.setVclass(Double.TYPE);
          var.addAttribute(0, "FORTRAN_format", EPCHAR, 5, "f10.1");
          var.addAttribute(1, "units", EPCHAR, 4, "dbar");
          var.setUnits("dbar");
          var.setFrmt("f10.1");
          // var.addAttribute(2, "type", EPCHAR, 0, "");
          sarray[0] = 1;
          var.addAttribute(2, "epic_code", EPSHORT, 1, sarray);
          MultiArray zvma = new ArrayMultiArray(za);
          try {
            var.setData(zvma);
          } catch (Exception ex) {
          }
          db.addEPSVariable(var);

          // lat axis
          latAxis.setName("latitude");
          latAxis.setTime(false);
          latAxis.setUnlimited(false);
          latAxis.setLen(1);
          latAxis.setAxisType(EPYAXIS);
          latAxis.addAttribute(0, "FORTRAN_format", EPCHAR, 5, "f10.4");
          latAxis.addAttribute(1, "units", EPCHAR, 7, "degrees");
          latAxis.setUnits("degrees");
          latAxis.setFrmt("f10.4");
          // latAxis.addAttribute(2, "type", EPCHAR, 0, "");
          sarray[0] = 500;
          latAxis.addAttribute(2, "epic_code", EPSHORT, 1, sarray);
          double lat = sh.mLat;
          double[] la = {lat};
          MultiArray lma = new ArrayMultiArray(la);
          latAxis.setData(lma);
          db.setAxis(latAxis);

          // add the y axes variable
          var = new EPSVariable();
          var.setOname("latitude");
          var.setDtype(EPDOUBLE);
          var.setVclass(Double.TYPE);
          var.addAttribute(0, "FORTRAN_format", EPCHAR, 5, "f10.4");
          var.addAttribute(1, "units", EPCHAR, 7, "degrees");
          var.setUnits("degrees");
          var.setFrmt("f10.4");
          // var.addAttribute(2, "type", EPCHAR, 0, "");
          sarray[0] = 500;
          var.addAttribute(2, "epic_code", EPSHORT, 1, sarray);
          MultiArray yvma = new ArrayMultiArray(la);
          try {
            var.setData(yvma);
          } catch (Exception ex) {
          }
          db.addEPSVariable(var);

          // lon axis
          lonAxis.setName("longitude");
          lonAxis.setTime(false);
          lonAxis.setUnlimited(false);
          lonAxis.setLen(1);
          lonAxis.setAxisType(EPXAXIS);
          lonAxis.addAttribute(0, "FORTRAN_format", EPCHAR, 5, "f10.4");
          lonAxis.addAttribute(1, "units", EPCHAR, 7, "degrees");
          lonAxis.setUnits("degrees");
          lonAxis.setFrmt("f10.4");
          // lonAxis.addAttribute(2, "type", EPCHAR, 0, "");
          sarray[0] = 502;
          lonAxis.addAttribute(2, "epic_code", EPSHORT, 1, sarray);
          double lon = sh.mLon;
          double[] lla = {lon};
          lma = new ArrayMultiArray(lla);
          lonAxis.setData(lma);
          db.setAxis(lonAxis);

          // add the x axes variable
          var = new EPSVariable();
          var.setOname("longitude");
          var.setDtype(EPDOUBLE);
          var.setVclass(Double.TYPE);
          var.addAttribute(0, "FORTRAN_format", EPCHAR, 5, "f10.4");
          var.addAttribute(1, "units", EPCHAR, 7, "degrees");
          var.setUnits("degrees");
          var.setFrmt("f10.4");
          // var.addAttribute(2, "type", EPCHAR, 0, "");
          sarray[0] = 502;
          var.addAttribute(2, "epic_code", EPSHORT, 1, sarray);
          MultiArray xvma = new ArrayMultiArray(lla);
          try {
            var.setData(xvma);
          } catch (Exception ex) {
          }

          db.addEPSVariable(var);

          // add the measured variables
          for (int v = 0; v < sech.mNumVars; v++) {
            // if (presPos == v)
            //	continue;

            // create an array of measured EPSVariables for this database
            EPSVariable epsVar = new EPSVariable();

            // initialize the new EPSVariables
            // look this variable up in JOA EPIC_Key. find matching entry in original EPIC Key
            String oname = tempProperties[v].mVarLabel;
            String sname = null;
            String lname = null;
            String gname = null;
            String units = null;
            String ffrmt = null;
            int keyID = -99;
            int type = -99;
            try {
              keyID = mEpicKeyDB.findKey(tempProperties[v].mVarLabel);
              Key key = mOrigEpicKeyDB.findKey(keyID);
              gname = key.getGname();
              sname = key.getSname();
              lname = key.getLname();
              units = key.getUnits();
              ffrmt = key.getFrmt();
              type = key.getType();
            } catch (Exception e) {
              lname = tempProperties[v].mVarLabel;
              gname = tempProperties[v].mVarLabel;
              sname = tempProperties[v].mVarLabel;
              units = tempProperties[v].mUnits;
            }

            // make a new variable
            epsVar = new EPSVariable();

            epsVar.setOname(oname);
            epsVar.setSname(sname);
            epsVar.setLname(lname);
            epsVar.setGname(gname);
            epsVar.setDtype(EPDOUBLE);
            epsVar.setVclass(Double.TYPE);
            int numAttributes = 0;
            if (ffrmt != null) {
              epsVar.addAttribute(numAttributes++, "FORTRAN_format", EPCHAR, ffrmt.length(), ffrmt);
              epsVar.setFrmt(ffrmt);
            }
            if (units != null && units.length() > 0) {
              epsVar.addAttribute(numAttributes++, "units", EPCHAR, units.length(), units);
              epsVar.setUnits(units);
            }
            if (keyID >= 0) {
              sarray[0] = (short) type;
              // epsVar.addAttribute(numAttributes++, "type", EPSHORT, 1, sarray);
            }
            if (keyID >= 0) {
              sarray[0] = (short) keyID;
              epsVar.addAttribute(numAttributes++, "epic_code", EPSHORT, 1, sarray);
            }

            // add the quality code attribute
            String qcVar = oname + "_QC";
            epsVar.addAttribute(numAttributes++, "OBS_QC_VARIABLE", EPCHAR, qcVar.length(), qcVar);

            // connect variable to axis
            epsVar.setDimorder(0, 0);
            epsVar.setDimorder(1, 1);
            epsVar.setDimorder(2, 2);
            epsVar.setDimorder(3, 3);
            epsVar.setT(timeAxis);
            epsVar.setZ(zAxis);
            epsVar.setY(latAxis);
            epsVar.setX(lonAxis);

            // set the data
            // create storage for the measured variables
            double[][][][] vaa = new double[1][sh.mNumBottles][1][1];
            for (int b = 0; b < sh.mNumBottles; b++) {
              vaa[0][b][0][0] = va[v][b];
            }
            MultiArray mdma = new ArrayMultiArray(vaa);
            try {
              epsVar.setData(mdma);
            } catch (Exception ex) {
              System.out.println("throwing");
            }

            // add the variable to the database
            db.addEPSVariable(epsVar);

            // create the quality code variable
            epsVar = new EPSVariable();
            epsVar.setOname(oname + "_QC");
            epsVar.setSname(sname + "_QC");
            epsVar.setLname(sname + "_QC");
            epsVar.setGname(sname + "_QC");
            epsVar.setDtype(EPSHORT);
            epsVar.setVclass(Short.TYPE);

            // connect variable to axis
            epsVar.setDimorder(0, 0);
            epsVar.setDimorder(1, 1);
            epsVar.setDimorder(2, 2);
            epsVar.setDimorder(3, 3);
            epsVar.setT(timeAxis);
            epsVar.setZ(zAxis);
            epsVar.setY(latAxis);
            epsVar.setX(lonAxis);

            // set the data
            // create storage for the qc variables
            short[][][][] qcaa = new short[1][sh.mNumBottles][1][1];
            for (int b = 0; b < sh.mNumBottles; b++) {
              qcaa[0][b][0][0] = (short) qc[v][b];
            }
            MultiArray qcma = new ArrayMultiArray(qcaa);
            try {
              epsVar.setData(qcma);
            } catch (Exception ex) {
              System.out.println("throwing");
            }

            // add the qc variable to the database
            db.addEPSVariable(epsVar);
          } // for v
        }
        mTotalStns += numCasts;
      } // for sc

      // read the file comments
      StringBuffer sb = null;
      while (true) {
        try {
          // read continuation line
          inShort = inData.readShort();
          bytesRead += 2;

          if (inShort == 1) {
            // read number of bytes in file description string
            inShort = inData.readShort();
            bytesRead += 2;

            // read the file description String
            byte buf2[] = new byte[inShort];
            inData.read(buf2, 0, inShort);
            String commentLine = new String(buf2);
            bytesRead += inShort;

            if (sb == null) sb = new StringBuffer(commentLine);
            else sb.append(commentLine);
          }
        } catch (IOException e) {
          break;
        }
      } // while true

      if (sb != null) {
        // make attributes for the comments
        mOwnerDBase.setDataComment(new String(sb));
      }

      // make a sub database in the dbase
      mOwnerDBase.createSubEntries(mTotalStns, mFile.getName());
      for (int d = 0; d < mTotalStns; d++) {
        Dbase db = (Dbase) dBases.elementAt(d);
        mOwnerDBase.addSubEntry(db);
      }
      mProgress.setPercentComplete(100.0);
      mProgress.setVisible(false);
      mProgress.dispose();
      in.close();
    } catch (IOException e) {
      mProgress.setVisible(false);
      mProgress.dispose();
      throw e;
    }
  }