Package java.io

Examples of java.io.ObjectOutputStream$PutField

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  public void saveAttachment(File attachmentsStore, Object attachment) throws IOException {
    if (log.isTraceEnabled()) {
      log.trace("saveAttachment, attachmentsStore=" + attachmentsStore + ", attachment=" + attachment); //$NON-NLS-1$ //$NON-NLS-2$
    }
   
    ObjectOutputStream oos = null;
    try {
      oos = new ObjectOutputStream(new FileOutputStream(attachmentsStore));
      oos.writeObject(attachment);
    } finally {
      if (oos != null) {
        oos.close();
      }
    }
  }
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      }
      int returnVal = m_FileChooser.showSaveDialog(this);
      if (returnVal == JFileChooser.APPROVE_OPTION) {
  File sFile = m_FileChooser.getSelectedFile();
  try {
    ObjectOutputStream oo = new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream(sFile)));
    oo.writeObject(object);
    oo.close();
  } catch (Exception ex) {
    JOptionPane.showMessageDialog(this,
          "Couldn't write to file: "
          + sFile.getName()
          + "\n" + ex.getMessage(),
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      // binary
      if (!(objectOutputFileName.endsWith(".xml") || (objectOutputFileName.endsWith(".koml") && KOML.isPresent()))) {
        if (objectOutputFileName.endsWith(".gz")) {
          os = new GZIPOutputStream(os);
        }
        ObjectOutputStream objectOutputStream = new ObjectOutputStream(os);
        objectOutputStream.writeObject(classifier);
        if (template != null) {
          objectOutputStream.writeObject(template);
        }
        objectOutputStream.flush();
        objectOutputStream.close();
      }
      // KOML/XML
      else {
        BufferedOutputStream xmlOutputStream = new BufferedOutputStream(os);
        if (objectOutputFileName.endsWith(".xml")) {
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   * @see #isUndoEnabled()
   * @see #setUndoEnabled(boolean)
   */
  public void addUndoPoint() {
    File                  tempFile;
    ObjectOutputStream    oos;

    // undo support currently on?
    if (!isUndoEnabled())
      return;
   
    if (getInstances() != null) {
      try {
        // temp. filename
        tempFile = File.createTempFile("arffviewer", null);
        tempFile.deleteOnExit();
       
        // serialize instances
        oos = new ObjectOutputStream(new BufferedOutputStream(new FileOutputStream(tempFile)));
        oos.writeObject(getInstances());
        oos.flush();
        oos.close();
       
        // add to undo list
        m_UndoList.add(tempFile);
      }
      catch (Exception e) {
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    if (m_Instances != null) {
      // create temporary file
      File tempFile = File.createTempFile("weka", SerializedInstancesLoader.FILE_EXTENSION);
      tempFile.deleteOnExit();

      ObjectOutputStream oos =
  new ObjectOutputStream(
  new BufferedOutputStream(
  new FileOutputStream(tempFile)));
   
      oos.writeObject(m_Instances);
      oos.flush();
      oos.close();

      // update undo file list
      if (m_tempUndoFiles[m_tempUndoIndex] != null) {
  // remove undo points that are too old
  m_tempUndoFiles[m_tempUndoIndex].delete();
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      try {
  OutputStream os = new FileOutputStream(sFile);
  if (sFile.getName().endsWith(".gz")) {
    os = new GZIPOutputStream(os);
  }
  ObjectOutputStream objectOutputStream = new ObjectOutputStream(os);
  objectOutputStream.writeObject(clusterer);
  if (trainHeader != null) objectOutputStream.writeObject(trainHeader);
  if (ignoredAtts != null) objectOutputStream.writeObject(ignoredAtts);
  objectOutputStream.flush();
  objectOutputStream.close();
      } catch (Exception e) {
 
  JOptionPane.showMessageDialog(null, e, "Save Failed",
              JOptionPane.ERROR_MESSAGE);
  saveOK = false;
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      result[current++] = new Double(Utils.missingValue());
    }
   
    // sizes
    ByteArrayOutputStream bastream = new ByteArrayOutputStream();
    ObjectOutputStream oostream = new ObjectOutputStream(bastream);
    oostream.writeObject(m_Classifier);
    result[current++] = new Double(bastream.size());
    bastream = new ByteArrayOutputStream();
    oostream = new ObjectOutputStream(bastream);
    oostream.writeObject(train);
    result[current++] = new Double(bastream.size());
    bastream = new ByteArrayOutputStream();
    oostream = new ObjectOutputStream(bastream);
    oostream.writeObject(test);
    result[current++] = new Double(bastream.size());
   
    if (m_Classifier instanceof Summarizable) {
      result[current++] = ((Summarizable)m_Classifier).toSummaryString();
    } else {
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      result[current++] = new Double(Utils.missingValue());
    }

    // sizes
    ByteArrayOutputStream bastream = new ByteArrayOutputStream();
    ObjectOutputStream oostream = new ObjectOutputStream(bastream);
    oostream.writeObject(m_Classifier);
    result[current++] = new Double(bastream.size());
    bastream = new ByteArrayOutputStream();
    oostream = new ObjectOutputStream(bastream);
    oostream.writeObject(train);
    result[current++] = new Double(bastream.size());
    bastream = new ByteArrayOutputStream();
    oostream = new ObjectOutputStream(bastream);
    oostream.writeObject(test);
    result[current++] = new Double(bastream.size());
   
    // Prediction interval statistics
    result[current++] = new Double(eval.coverageOfTestCasesByPredictedRegions());
    result[current++] = new Double(eval.sizeOfPredictedRegions());
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            v.add(new Instances(m_trainingSet, 0));
          }
          v.trimToSize();
          XStream.write(saveTo.getAbsolutePath(), v); */
        } else /* binary */ {
          ObjectOutputStream os =
            new ObjectOutputStream(new BufferedOutputStream(
                                   new FileOutputStream(saveTo)));
          os.writeObject(m_Classifier);
          if (m_trainingSet != null) {
            Instances header = new Instances(m_trainingSet, 0);
            os.writeObject(header);
          }
          os.close();
        }
        if (m_log != null) {
          m_log.statusMessage(statusMessagePrefix() + "Model saved.");
          m_log.logMessage("[Classifier] " + statusMessagePrefix()
              + " Saved classifier " + getCustomName());
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      result[current++] = new Double(Utils.missingValue());
    }
   
    // sizes
    ByteArrayOutputStream bastream = new ByteArrayOutputStream();
    ObjectOutputStream oostream = new ObjectOutputStream(bastream);
    oostream.writeObject(m_Classifier);
    result[current++] = new Double(bastream.size());
    bastream = new ByteArrayOutputStream();
    oostream = new ObjectOutputStream(bastream);
    oostream.writeObject(train);
    result[current++] = new Double(bastream.size());
    bastream = new ByteArrayOutputStream();
    oostream = new ObjectOutputStream(bastream);
    oostream.writeObject(test);
    result[current++] = new Double(bastream.size());
   
    // Prediction interval statistics
    result[current++] = new Double(eval.coverageOfTestCasesByPredictedRegions());
    result[current++] = new Double(eval.sizeOfPredictedRegions());
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