// Grab the first x lines from the given file...
  //
  private List<String> getFirst(FixedInputMeta meta, int limit)
      throws IOException, KettleValueException {

    List<String> lines = new ArrayList<String>();

    FixedInputMeta oneMeta = new FixedInputMeta();
    getInfo(oneMeta);

    // Add a single field with the width of the line...
    //
    int lineWidth = Integer.parseInt(oneMeta.getLineWidth());
    if (lineWidth <= 0) {
      throw new IOException("The width of a line can not be 0 or less.");
    }

    oneMeta.allocate(1);

    FixedFileInputField field = new FixedFileInputField();
    field.setName("Field1");
    field.setType(ValueMetaInterface.TYPE_STRING);
    field.setWidth(lineWidth);
    // CHECKSTYLE:Indentation:OFF
    oneMeta.getFieldDefinition()[0] = field;

    TransMeta previewMeta =
        TransPreviewFactory.generatePreviewTransformation(transMeta, oneMeta, wStepname.getText());

    TransPreviewProgressDialog progressDialog =
        new TransPreviewProgressDialog(
            shell, previewMeta, new String[] {wStepname.getText()}, new int[] {limit});
    progressDialog.open();

    Trans trans = progressDialog.getTrans();
    String loggingText = progressDialog.getLoggingText();

    if (!progressDialog.isCancelled()) {
      if (trans.getResult() != null && trans.getResult().getNrErrors() > 0) {
        EnterTextDialog etd =
            new EnterTextDialog(
                shell,
                BaseMessages.getString(PKG, "System.Dialog.PreviewError.Title"),
                BaseMessages.getString(PKG, "System.Dialog.PreviewError.Message"),
                loggingText,
                true);
        etd.setReadOnly();
        etd.open();
      }
    }

    // The rows are in the transformation...
    //
    RowMetaInterface previewRowsMeta = progressDialog.getPreviewRowsMeta(wStepname.getText());
    List<Object[]> previewRowsData = progressDialog.getPreviewRows(wStepname.getText());
    for (int i = 0; i < previewRowsData.size(); i++) {
      String line = previewRowsMeta.getString(previewRowsData.get(i), 0);
      lines.add(line);
    }

    return lines;
  }
  // Preview the data
  private void preview() {
    try {

      GetFilesRowsCountMeta oneMeta = new GetFilesRowsCountMeta();
      getInfo(oneMeta);

      TransMeta previewMeta =
          TransPreviewFactory.generatePreviewTransformation(
              transMeta, oneMeta, wStepname.getText());

      EnterNumberDialog numberDialog =
          new EnterNumberDialog(
              shell,
              props.getDefaultPreviewSize(),
              BaseMessages.getString(PKG, "GetFilesRowsCountDialog.NumberRows.DialogTitle"),
              BaseMessages.getString(PKG, "GetFilesRowsCountDialog.NumberRows.DialogMessage"));
      int previewSize = numberDialog.open();
      if (previewSize > 0) {
        TransPreviewProgressDialog progressDialog =
            new TransPreviewProgressDialog(
                shell, previewMeta, new String[] {wStepname.getText()}, new int[] {previewSize});
        progressDialog.open();

        if (!progressDialog.isCancelled()) {
          Trans trans = progressDialog.getTrans();
          String loggingText = progressDialog.getLoggingText();

          if (trans.getResult() != null && trans.getResult().getNrErrors() > 0) {
            EnterTextDialog etd =
                new EnterTextDialog(
                    shell,
                    BaseMessages.getString(PKG, "System.Dialog.PreviewError.Title"),
                    BaseMessages.getString(PKG, "System.Dialog.PreviewError.Message"),
                    loggingText,
                    true);
            etd.setReadOnly();
            etd.open();
          }

          PreviewRowsDialog prd =
              new PreviewRowsDialog(
                  shell,
                  transMeta,
                  SWT.NONE,
                  wStepname.getText(),
                  progressDialog.getPreviewRowsMeta(wStepname.getText()),
                  progressDialog.getPreviewRows(wStepname.getText()),
                  loggingText);
          prd.open();
        }
      }
    } catch (KettleException e) {
      new ErrorDialog(
          shell,
          BaseMessages.getString(PKG, "GetFilesRowsCountDialog.ErrorPreviewingData.DialogTitle"),
          BaseMessages.getString(PKG, "GetFilesRowsCountDialog.ErrorPreviewingData.DialogMessage"),
          e);
    }
  }
  // Preview the data
  private void preview() {
    GetTableNamesMeta oneMeta = new GetTableNamesMeta();

    getInfo(oneMeta);
    if (oneMeta.getDatabase() == null) {
      MessageBox mb = new MessageBox(shell, SWT.OK | SWT.ICON_ERROR);
      mb.setMessage(
          BaseMessages.getString(PKG, "GetTableNamesDialog.InvalidConnection.DialogMessage"));
      mb.setText(BaseMessages.getString(PKG, "GetTableNamesDialog.InvalidConnection.DialogTitle"));
      mb.open();
      return;
    }
    if (!checkUserInput(oneMeta)) return;

    TransMeta previewMeta =
        TransPreviewFactory.generatePreviewTransformation(transMeta, oneMeta, wStepname.getText());

    EnterNumberDialog numberDialog =
        new EnterNumberDialog(
            shell,
            props.getDefaultPreviewSize(),
            BaseMessages.getString(PKG, "GetTableNamesDialog.PreviewSize.DialogTitle"),
            BaseMessages.getString(PKG, "GetTableNamesDialog.PreviewSize.DialogMessage"));
    int previewSize = numberDialog.open();
    if (previewSize > 0) {
      TransPreviewProgressDialog progressDialog =
          new TransPreviewProgressDialog(
              shell, previewMeta, new String[] {wStepname.getText()}, new int[] {previewSize});
      progressDialog.open();

      if (!progressDialog.isCancelled()) {
        Trans trans = progressDialog.getTrans();
        String loggingText = progressDialog.getLoggingText();

        if (trans.getResult() != null && trans.getResult().getNrErrors() > 0) {
          EnterTextDialog etd =
              new EnterTextDialog(
                  shell,
                  BaseMessages.getString(PKG, "System.Dialog.Error.Title"),
                  BaseMessages.getString(PKG, "GetTableNamesDialog.ErrorInPreview.DialogMessage"),
                  loggingText,
                  true);
          etd.setReadOnly();
          etd.open();
        }

        PreviewRowsDialog prd =
            new PreviewRowsDialog(
                shell,
                transMeta,
                SWT.NONE,
                wStepname.getText(),
                progressDialog.getPreviewRowsMeta(wStepname.getText()),
                progressDialog.getPreviewRows(wStepname.getText()),
                loggingText);
        prd.open();
      }
    }
  }
  private void preview() {
    PaloDimInputMeta oneMeta = new PaloDimInputMeta();
    try {
      getInfo(oneMeta);
    } catch (KettleException e) {
      new ErrorDialog(
          shell,
          BaseMessages.getString(PKG, "PaloInputDialog.Illegal.Dialog.Settings.Title"),
          BaseMessages.getString(PKG, "PaloInputDialog.Illegal.Dialog.Settings.Message"),
          e);
      return;
    }

    TransMeta previewMeta =
        TransPreviewFactory.generatePreviewTransformation(
            transMeta, oneMeta, textStepName.getText());

    EnterNumberDialog numberDialog =
        new EnterNumberDialog(
            shell,
            500,
            BaseMessages.getString("System.Dialog.EnterPreviewSize.Title"),
            BaseMessages.getString("System.Dialog.EnterPreviewSize.Message"));
    int previewSize = numberDialog.open();
    if (previewSize > 0) {
      TransPreviewProgressDialog progressDialog =
          new TransPreviewProgressDialog(
              shell, previewMeta, new String[] {textStepName.getText()}, new int[] {previewSize});
      progressDialog.open();

      Trans trans = progressDialog.getTrans();
      String loggingText = progressDialog.getLoggingText();

      if (!progressDialog.isCancelled()) {
        if (trans.getResult() != null && trans.getResult().getNrErrors() > 0) {
          EnterTextDialog etd =
              new EnterTextDialog(
                  shell,
                  BaseMessages.getString("System.Dialog.PreviewError.Title"),
                  BaseMessages.getString("System.Dialog.PreviewError.Message"),
                  loggingText,
                  true);
          etd.setReadOnly();
          etd.open();
        }
      }

      PreviewRowsDialog prd =
          new PreviewRowsDialog(
              shell,
              transMeta,
              SWT.NONE,
              textStepName.getText(),
              progressDialog.getPreviewRowsMeta(textStepName.getText()),
              progressDialog.getPreviewRows(textStepName.getText()),
              loggingText);
      prd.open();
    }
  }
  // Preview the data
  private void preview() {
    // execute a complete preview transformation in the background.
    // This is how we do it...
    //
    FixedInputMeta oneMeta = new FixedInputMeta();
    getInfo(oneMeta);

    TransMeta previewMeta =
        TransPreviewFactory.generatePreviewTransformation(transMeta, oneMeta, wStepname.getText());

    EnterNumberDialog numberDialog =
        new EnterNumberDialog(
            shell,
            props.getDefaultPreviewSize(),
            BaseMessages.getString(PKG, "FixedInputDialog.PreviewSize.DialogTitle"),
            BaseMessages.getString(PKG, "FixedInputDialog.PreviewSize.DialogMessage"));
    int previewSize = numberDialog.open();
    if (previewSize > 0) {
      TransPreviewProgressDialog progressDialog =
          new TransPreviewProgressDialog(
              shell, previewMeta, new String[] {wStepname.getText()}, new int[] {previewSize});
      progressDialog.open();

      Trans trans = progressDialog.getTrans();
      String loggingText = progressDialog.getLoggingText();

      if (!progressDialog.isCancelled()) {
        if (trans.getResult() != null && trans.getResult().getNrErrors() > 0) {
          EnterTextDialog etd =
              new EnterTextDialog(
                  shell,
                  BaseMessages.getString(PKG, "System.Dialog.PreviewError.Title"),
                  BaseMessages.getString(PKG, "System.Dialog.PreviewError.Message"),
                  loggingText,
                  true);
          etd.setReadOnly();
          etd.open();
        }
      }

      PreviewRowsDialog prd =
          new PreviewRowsDialog(
              shell,
              transMeta,
              SWT.NONE,
              wStepname.getText(),
              progressDialog.getPreviewRowsMeta(wStepname.getText()),
              progressDialog.getPreviewRows(wStepname.getText()),
              loggingText);
      prd.open();
    }
  }
示例#6
0
  // Preview the data
  // unused
  // preserve for later
  private void preview() {
    // Create the XML input step
    SapInputMeta oneMeta = new SapInputMeta();
    getInfo(oneMeta);

    TransMeta previewMeta =
        TransPreviewFactory.generatePreviewTransformation(transMeta, oneMeta, wStepname.getText());
    transMeta.getVariable("Internal.Transformation.Filename.Directory");
    previewMeta.getVariable("Internal.Transformation.Filename.Directory");

    EnterNumberDialog numberDialog =
        new EnterNumberDialog(
            shell,
            props.getDefaultPreviewSize(),
            BaseMessages.getString(PKG, "CsvInputDialog.PreviewSize.DialogTitle"),
            BaseMessages.getString(PKG, "CsvInputDialog.PreviewSize.DialogMessage"));
    int previewSize = numberDialog.open();
    if (previewSize > 0) {
      TransPreviewProgressDialog progressDialog =
          new TransPreviewProgressDialog(
              shell, previewMeta, new String[] {wStepname.getText()}, new int[] {previewSize});
      progressDialog.open();

      Trans trans = progressDialog.getTrans();
      String loggingText = progressDialog.getLoggingText();

      if (!progressDialog.isCancelled()) {
        if (trans.getResult() != null && trans.getResult().getNrErrors() > 0) {
          EnterTextDialog etd =
              new EnterTextDialog(
                  shell,
                  BaseMessages.getString(PKG, "System.Dialog.PreviewError.Title"),
                  BaseMessages.getString(PKG, "System.Dialog.PreviewError.Message"),
                  loggingText,
                  true);
          etd.setReadOnly();
          etd.open();
        }
      }

      PreviewRowsDialog prd =
          new PreviewRowsDialog(
              shell,
              transMeta,
              SWT.NONE,
              wStepname.getText(),
              progressDialog.getPreviewRowsMeta(wStepname.getText()),
              progressDialog.getPreviewRows(wStepname.getText()),
              loggingText);
      prd.open();
    }
  }