Example usage for weka.core.converters AbstractFileSaver setFile

Introduction

In this page you can find the example usage for weka.core.converters AbstractFileSaver setFile.

Prototype

@Override
public void setFile(File outputFile) throws IOException 

Source Link

Document

Sets the destination file.

Usage

From source file:adams.gui.visualization.instance.plotpopup.SaveVisible.java

License:Open Source License

/**
 * Returns a popup menu for the table of the container list.
 *
 * @param panel   the affected panel/*w ww.  j a  v a  2  s. co  m*/
 * @param e      the mouse event
 * @param menu   the popup menu to customize
 */
@Override
public void customize(
        DataContainerPanelWithContainerList<Instance, InstanceContainerManager, InstanceContainer> panel,
        MouseEvent e, JPopupMenu menu) {
    JMenuItem item;

    item = new JMenuItem("Save visible...", GUIHelper.getIcon("save.gif"));
    item.addActionListener((ActionEvent ae) -> {
        WekaFileChooser fc = new WekaFileChooser();
        int retval = fc.showSaveDialog(panel);
        if (retval != WekaFileChooser.APPROVE_OPTION)
            return;
        weka.core.Instances dataset = null;
        for (InstanceContainer c : panel.getTableModelContainers(true)) {
            if (dataset == null)
                dataset = new weka.core.Instances(c.getData().getDatasetHeader(), 0);
            dataset.add((weka.core.Instance) c.getData().toInstance().copy());
        }
        if (dataset == null)
            return;
        AbstractFileSaver saver = fc.getWriter();
        saver.setInstances(dataset);
        try {
            saver.setFile(fc.getSelectedFile().getAbsoluteFile());
            saver.writeBatch();
        } catch (Exception ex) {
            ex.printStackTrace();
            GUIHelper.showErrorMessage(panel, "Error saving instances:\n" + ex);
        }
    });
    menu.add(item);
}

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From source file:adams.gui.visualization.instances.InstancesTable.java

License:Open Source License

/**
 * Exports the data.//from  www  . jav  a2 s. c o m
 *
 * @param range   what data to export
 */
protected void saveAs(TableRowRange range) {
    int retVal;
    AbstractFileSaver saver;
    File file;
    Instances original;
    Instances data;
    int[] selRows;
    int i;

    retVal = m_FileChooser.showSaveDialog(InstancesTable.this);
    if (retVal != WekaFileChooser.APPROVE_OPTION)
        return;

    saver = m_FileChooser.getWriter();
    file = m_FileChooser.getSelectedFile();
    original = getInstances();
    switch (range) {
    case ALL:
        data = original;
        break;

    case SELECTED:
        data = new Instances(original, 0);
        selRows = getSelectedRows();
        for (i = 0; i < selRows.length; i++)
            data.add((Instance) original.instance(getActualRow(selRows[i])).copy());
        break;

    case VISIBLE:
        data = new Instances(original, 0);
        for (i = 0; i < getRowCount(); i++)
            data.add((Instance) original.instance(getActualRow(i)).copy());
        break;

    default:
        throw new IllegalStateException("Unhandled range type: " + range);
    }

    try {
        saver.setFile(file);
        saver.setInstances(data);
        saver.writeBatch();
    } catch (Exception ex) {
        GUIHelper.showErrorMessage(InstancesTable.this, "Failed to save data (" + range + ") to: " + file, ex);
    }
}

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From source file:meka.gui.explorer.Explorer.java

License:Open Source License

/**
 * Saves the data to the specified file.
 *
 * @param file the file to save the data to
 * @param saver the saver to use, determines it automatically if null
 *///from   w  w  w  .j  av  a 2s.  c  o  m
public void save(File file, AbstractFileSaver saver) {
    if (saver == null)
        saver = ConverterUtils.getSaverForFile(file);
    try {
        log(null, "Saving: " + file);
        saver.setInstances(m_Data);
        if ((saver.retrieveFile() == null) || !saver.retrieveFile().equals(file))
            saver.setFile(file);
        saver.writeBatch();
        m_CurrentFile = file;
        log(null, "Saved successfully: " + file);
    } catch (Exception e) {
        handleException(null, "Failed to save data to '" + file + "':", e);
        JOptionPane.showMessageDialog(this, "Failed to save dataset to '" + file + "':\n" + e, "Error saving",
                JOptionPane.ERROR_MESSAGE);
    }

    updateMenu();
}

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