Example usage for java.io ObjectInput close

List of usage examples for java.io ObjectInput close

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Introduction

In this page you can find the example usage for java.io ObjectInput close.

Prototype

public void close() throws IOException;

Source Link

Document

Closes the input stream.

Usage

From source file:org.apache.synapse.message.store.impl.rabbitmq.RabbitMQConsumer.java

public MessageContext receive() {
    if (!checkConnection()) {
        if (!reconnect()) {
            if (logger.isDebugEnabled()) {
                logger.debug(getId() + " cannot receive message from store. Can not reconnect.");
            }/*from   w  w w.  ja  va  2 s .c om*/
            return null;
        } else {
            logger.info(getId() + " reconnected to store.");
            isReceiveError = false;
        }
    }
    //setting channel
    if (channel != null) {
        if (!channel.isOpen()) {
            if (!setChannel()) {
                logger.info(getId() + " unable to create the channel.");
                return null;
            }
        }
    } else {
        if (!setChannel()) {
            logger.info(getId() + " unable to create the channel.");
            return null;
        }
    }
    //receive messages
    try {

        GetResponse delivery = null;
        delivery = channel.basicGet(queueName, false);

        if (delivery != null) {
            //deserilizing message
            StorableMessage storableMessage = null;
            ByteArrayInputStream bis = new ByteArrayInputStream(delivery.getBody());
            ObjectInput in = new ObjectInputStream(bis);
            try {
                storableMessage = (StorableMessage) in.readObject();
            } catch (ClassNotFoundException e) {
                logger.error(getId() + "unable to read the stored message" + e);
                channel.basicAck(delivery.getEnvelope().getDeliveryTag(), false);
            }

            bis.close();
            in.close();
            org.apache.axis2.context.MessageContext axis2Mc = store.newAxis2Mc();
            MessageContext synapseMc = store.newSynapseMc(axis2Mc);
            synapseMc = MessageConverter.toMessageContext(storableMessage, axis2Mc, synapseMc);
            updateCache(delivery, synapseMc, null, false);
            if (logger.isDebugEnabled()) {
                logger.debug(getId() + " Received MessageId:" + delivery.getProps().getMessageId());
            }
            return synapseMc;
        }
    } catch (ShutdownSignalException sse) {
        logger.error(getId() + " connection error when receiving messages" + sse);
    } catch (IOException ioe) {
        logger.error(getId() + " connection error when receiving messages" + ioe);
    }
    return null;
}

From source file:org.lexgrid.valuesets.helper.compiler.FileSystemCachingValueSetDefinitionCompilerDecorator.java

/**
 * Retrieve coded node set./*from  w  ww . ja va 2 s  .co  m*/
 * 
 * @param md5 the md5
 * 
 * @return the coded node set
 * 
 * @throws Exception the exception
 */
protected CodedNodeSet retrieveCodedNodeSet(String md5) {

    try {

        File cachedCnsFile = new File(this.getDiskStorePath() + File.separator + this.getFileName(md5));
        if (!cachedCnsFile.exists()) {
            LoggerFactory.getLogger().info("Compiled Value Set Definition cache miss.");

            return null;
        } else {
            LoggerFactory.getLogger().info("Compiled Value Set Definition cache hit.");

            FileUtils.touch(cachedCnsFile);
        }

        ObjectInput in = new ObjectInputStream(new FileInputStream(cachedCnsFile));
        CodedNodeSetImpl cns;
        try {
            cns = (CodedNodeSetImpl) in.readObject();
        } catch (Exception e) {
            LoggerFactory.getLogger().warn(
                    "Compiled Value Set Definition was found, but it is invalid or corrupted. Removing...", e);
            if (!FileUtils.deleteQuietly(cachedCnsFile)) {
                FileUtils.forceDeleteOnExit(cachedCnsFile);
            }

            throw e;
        }

        in.close();

        if (cns == null) {
            return null;
        } else {
            return cns;
        }
    } catch (Exception e) {
        LoggerFactory.getLogger()
                .warn("There was an error retrieving the Compiled Value Set Definition from the Cache."
                        + " Caching will not be used for this Value Set Definition.", e);

        return null;
    }
}

From source file:org.kepler.objectmanager.repository.RepositoryManager.java

/**
 * First we check to see if there is a configuration file containing the
 * name of the default remote save repository. Then we check the
 * configuration file./*from  w ww. java2  s  .c om*/
 */
private void initRemoteSaveRepo() {
    if (isDebugging)
        log.debug("initRemoteSaveRepo()");
    File remoteSaveRepoFile = new File(_remoteSaveRepoFileName);

    if (!remoteSaveRepoFile.exists()) {
        setSaveRepository(null);
    } else {
        if (isDebugging) {
            log.debug("remoteSaveRepo exists: " + remoteSaveRepoFile.toString());
        }

        try {
            InputStream is = null;
            ObjectInput oi = null;
            try {
                is = new FileInputStream(remoteSaveRepoFile);
                oi = new ObjectInputStream(is);
                Object newObj = oi.readObject();

                String repoName = (String) newObj;
                Repository saveRepo = getRepository(repoName);
                if (saveRepo != null) {
                    setSaveRepository(saveRepo);
                }

                return;

            } finally {
                if (oi != null) {
                    oi.close();
                }
                if (is != null) {
                    is.close();
                }
            }

        } catch (Exception e1) {
            // problem reading file, try to delete it
            log.warn("Exception while reading localSaveRepoFile: " + e1.getMessage());
            try {
                remoteSaveRepoFile.delete();
            } catch (Exception e2) {
                log.warn("Unable to delete localSaveRepoFile: " + e2.getMessage());
            }
        }
    }

}

From source file:com.ethanruffing.preferenceabstraction.AutoPreferences.java

/**
 * Reads the stored value for an Object preference.
 *
 * @param key The key that the preference is stored under.
 * @param def The default value to return if a setting is not found for the
 *            given key.//from   w  ww.jav a  2s .  c o  m
 * @return The value stored for the preference, or the default value on
 * failure.
 */
@Override
public Object getObject(String key, Object def) {
    if (configType == ConfigurationType.SYSTEM) {
        byte[] inArr = prefs.getByteArray(key, null);
        if (inArr == null)
            return def;

        ByteArrayInputStream bis = new ByteArrayInputStream(inArr);
        ObjectInput in = null;
        try {
            in = new ObjectInputStream(bis);
            return in.readObject();
        } catch (ClassNotFoundException | IOException e) {
            e.printStackTrace();
            return def;
        } finally {
            try {
                bis.close();
            } catch (IOException ex) {
                // ignore close exception
            }
            try {
                if (in != null) {
                    in.close();
                }
            } catch (IOException ex) {
                // ignore close exception
            }
        }
    } else {
        Object val = fileConfig.getProperty(key);
        if (val == null)
            return def;
        else
            return val;
    }
}

From source file:org.kepler.util.AuthNamespace.java

/**
 * Read in the Authority and Namespace from the AuthorizedNamespace file.
 *///from   www.j  av a 2s  .  c  o m
public void refreshAuthNamespace() {
    if (isDebugging)
        log.debug("refreshAuthNamespace()");

    try {
        InputStream is = null;
        ObjectInput oi = null;
        try {
            is = new FileInputStream(_anFileName);
            oi = new ObjectInputStream(is);
            Object newObj = oi.readObject();

            String theString = (String) newObj;
            int firstColon = theString.indexOf(':');
            setAuthority(theString.substring(0, firstColon));
            setNamespace(theString.substring(firstColon + 1));
        } finally {
            if (oi != null) {
                oi.close();
            }
            if (is != null) {
                is.close();
            }
        }
    } catch (FileNotFoundException e) {
        log.error(_saveFileName + " file was not found: " + _anFileName);
        e.printStackTrace();
    } catch (IOException e) {
        log.error("Unable to create ObjectInputStream");
        e.printStackTrace();
    } catch (ClassNotFoundException e) {
        log.error("Unable to read from ObjectInput");
        e.printStackTrace();
    } catch (Exception e) {
        log.error(e.toString());
        e.printStackTrace();
    }

    if (isDebugging) {
        log.debug("Instance Authority: " + getAuthority());
        log.debug("Instance Namespace: " + getNamespace());
        log.debug("Instance AuthNamespace: " + getAuthNamespace());
        log.debug("Instance Hash Value: " + getFileNameForm());
    }

}

From source file:org.ecoinformatics.seek.ecogrid.EcoGridServicesController.java

public void readServices() {

    File saveFile = new File(_saveFileName);

    if (saveFile.exists()) {
        try {/*from ww  w.j a  v a  2s.co m*/
            InputStream is = new FileInputStream(saveFile);
            ObjectInput oi = new ObjectInputStream(is);
            Object newObj = oi.readObject();
            oi.close();

            Vector<EcoGridService> servs = (Vector<EcoGridService>) newObj;
            for (EcoGridService egs : servs) {
                addService(egs);
            }

            return;
        } catch (Exception e1) {
            // problem reading file, try to delete it
            log.warn("Exception while reading EcoGridServices file: " + e1.getMessage());
            try {
                saveFile.delete();
            } catch (Exception e2) {
                log.warn("Unable to delete EcoGridServices file: " + e2.getMessage());
            }
        }
    } else {
        // initialize default services from the Config.xml file
        readServicesFromConfig();
    }
}

From source file:org.jfree.data.time.junit.TimeSeriesTest.java

/**
 * Serialize an instance, restore it, and check for equality.
 *///from   w  w  w .j  a v  a  2  s.co m
public void testSerialization() {
    TimeSeries s1 = new TimeSeries("A test");
    s1.add(new Year(2000), 13.75);
    s1.add(new Year(2001), 11.90);
    s1.add(new Year(2002), null);
    s1.add(new Year(2005), 19.32);
    s1.add(new Year(2007), 16.89);
    TimeSeries s2 = null;
    try {
        ByteArrayOutputStream buffer = new ByteArrayOutputStream();
        ObjectOutput out = new ObjectOutputStream(buffer);
        out.writeObject(s1);
        out.close();
        ObjectInput in = new ObjectInputStream(new ByteArrayInputStream(buffer.toByteArray()));
        s2 = (TimeSeries) in.readObject();
        in.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    assertTrue(s1.equals(s2));
}

From source file:com.microsoft.applicationinsights.internal.channel.common.TransmissionFileSystemOutput.java

private Optional<Transmission> loadTransmission(File file) {
    Transmission transmission = null;//from   w  ww.  jav  a2  s  .  co  m

    InputStream fileInput = null;
    ObjectInput input = null;
    try {
        if (file == null) {
            return Optional.absent();
        }

        fileInput = new FileInputStream(file);
        InputStream buffer = new BufferedInputStream(fileInput);
        input = new ObjectInputStream(buffer);
        transmission = (Transmission) input.readObject();
    } catch (FileNotFoundException e) {
        InternalLogger.INSTANCE.error("Failed to load transmission, file not found, exception: %s",
                e.getMessage());
    } catch (ClassNotFoundException e) {
        InternalLogger.INSTANCE.error("Failed to load transmission, non transmission, exception: %s",
                e.getMessage());
    } catch (IOException e) {
        InternalLogger.INSTANCE.error("Failed to load transmission, io exception: %s", e.getMessage());
    } finally {
        if (input != null) {
            try {
                input.close();
            } catch (IOException e) {
            }
        }
    }

    return Optional.fromNullable(transmission);
}

From source file:BeanContainer.java

  protected JMenuBar createMenuBar() {
  JMenuBar menuBar = new JMenuBar();
    /*from   ww w  .j a v  a2  s . com*/
  JMenu mFile = new JMenu("File");

  JMenuItem mItem = new JMenuItem("New...");
  ActionListener lst = new ActionListener() { 
    public void actionPerformed(ActionEvent e) {  
      Thread newthread = new Thread() {
        public void run() {
          String result = (String)JOptionPane.showInputDialog(
            BeanContainer.this, 
            "Please enter class name to create a new bean", 
            "Input", JOptionPane.INFORMATION_MESSAGE, null, 
            null, m_className);
          repaint();
          if (result==null)
            return;
          try {
            m_className = result;
            Class cls = Class.forName(result);
            Object obj = cls.newInstance();
            if (obj instanceof Component) {
              m_activeBean = (Component)obj;
              m_activeBean.addFocusListener(
                BeanContainer.this);
              m_activeBean.requestFocus();
              getContentPane().add(m_activeBean);
            }
            validate();
          }
          catch (Exception ex) {
            ex.printStackTrace();
            JOptionPane.showMessageDialog(
              BeanContainer.this, "Error: "+ex.toString(),
              "Warning", JOptionPane.WARNING_MESSAGE);
          }
        }
      };
      newthread.start();
    }
  };
  mItem.addActionListener(lst);
  mFile.add(mItem);

  mItem = new JMenuItem("Load...");
  lst = new ActionListener() { 
    public void actionPerformed(ActionEvent e) {  
      Thread newthread = new Thread() {
        public void run() {
          m_chooser.setCurrentDirectory(m_currentDir);
          m_chooser.setDialogTitle(
            "Please select file with serialized bean");
          int result = m_chooser.showOpenDialog(
            BeanContainer.this);
          repaint();
          if (result != JFileChooser.APPROVE_OPTION)
            return;
          m_currentDir = m_chooser.getCurrentDirectory();
          File fChoosen = m_chooser.getSelectedFile();
          try {
            FileInputStream fStream = 
              new FileInputStream(fChoosen);
            ObjectInput  stream  =  
              new ObjectInputStream(fStream);
            Object obj = stream.readObject();
            if (obj instanceof Component) {
              m_activeBean = (Component)obj;
              m_activeBean.addFocusListener(
                BeanContainer.this);
              m_activeBean.requestFocus();
              getContentPane().add(m_activeBean);
            }
            stream.close();
            fStream.close();
            validate();
          }
          catch (Exception ex) {
            ex.printStackTrace();
            JOptionPane.showMessageDialog(
              BeanContainer.this, "Error: "+ex.toString(),
              "Warning", JOptionPane.WARNING_MESSAGE);
          }
          repaint();
        }
      };
      newthread.start();
    }
  };
  mItem.addActionListener(lst);
  mFile.add(mItem);

  mItem = new JMenuItem("Save...");
  lst = new ActionListener() { 
    public void actionPerformed(ActionEvent e) {
      Thread newthread = new Thread() {
        public void run() {
          if (m_activeBean == null)
            return;
          m_chooser.setDialogTitle(
            "Please choose file to serialize bean");
          m_chooser.setCurrentDirectory(m_currentDir);
          int result = m_chooser.showSaveDialog(
            BeanContainer.this);
          repaint();
          if (result != JFileChooser.APPROVE_OPTION)
            return;
          m_currentDir = m_chooser.getCurrentDirectory();
          File fChoosen = m_chooser.getSelectedFile();
          try {
            FileOutputStream fStream = 
              new FileOutputStream(fChoosen);
            ObjectOutput stream  =  
              new ObjectOutputStream(fStream);
            stream.writeObject(m_activeBean);
            stream.close();
            fStream.close();
          }
          catch (Exception ex) {
            ex.printStackTrace();
          JOptionPane.showMessageDialog(
            BeanContainer.this, "Error: "+ex.toString(),
            "Warning", JOptionPane.WARNING_MESSAGE);
          }
        }
      };
      newthread.start();
    }
  };
  mItem.addActionListener(lst);
  mFile.add(mItem);

  mFile.addSeparator();

  mItem = new JMenuItem("Exit");
  lst = new ActionListener() { 
    public void actionPerformed(ActionEvent e) {
      System.exit(0);
    }
  };
  mItem.addActionListener(lst);
  mFile.add(mItem);
  menuBar.add(mFile);
    
  JMenu mEdit = new JMenu("Edit");

  mItem = new JMenuItem("Delete");
  lst = new ActionListener() { 
    public void actionPerformed(ActionEvent e) {
      if (m_activeBean == null)
        return;
      Object obj = m_editors.get(m_activeBean);
      if (obj != null) {
        BeanEditor editor = (BeanEditor)obj;
        editor.dispose();
        m_editors.remove(m_activeBean);
      }
      getContentPane().remove(m_activeBean);
      m_activeBean = null;
      validate();
      repaint();
    }
  };
  mItem.addActionListener(lst);
  mEdit.add(mItem);

  mItem = new JMenuItem("Properties...");
  lst = new ActionListener() { 
    public void actionPerformed(ActionEvent e) {
      if (m_activeBean == null)
        return;
      Object obj = m_editors.get(m_activeBean);
      if (obj != null) {
        BeanEditor editor = (BeanEditor)obj;
        editor.setVisible(true);
        editor.toFront();
      }
      else {
        BeanEditor editor = new BeanEditor(m_activeBean);
        m_editors.put(m_activeBean, editor);
      }
    }
  };
  mItem.addActionListener(lst);
  mEdit.add(mItem);
  menuBar.add(mEdit);

  JMenu mLayout = new JMenu("Layout");
  ButtonGroup group = new ButtonGroup();

  mItem = new JRadioButtonMenuItem("FlowLayout");
  mItem.setSelected(true);
  lst = new ActionListener() { 
    public void actionPerformed(ActionEvent e){
      getContentPane().setLayout(new FlowLayout());
      validate();
      repaint();
    }
  };
  mItem.addActionListener(lst);
  group.add(mItem);
  mLayout.add(mItem);

  mItem = new JRadioButtonMenuItem("GridLayout");
  lst = new ActionListener() { 
    public void actionPerformed(ActionEvent e){
      int col = 3;
      int row = (int)Math.ceil(getContentPane().
        getComponentCount()/(double)col);
      getContentPane().setLayout(new GridLayout(row, col, 10, 10));
      validate();
      repaint();
    }
  };
  mItem.addActionListener(lst);
  group.add(mItem);
  mLayout.add(mItem);
    
  mItem = new JRadioButtonMenuItem("BoxLayout - X");
  lst = new ActionListener() { 
    public void actionPerformed(ActionEvent e) {
      getContentPane().setLayout(new BoxLayout(
        getContentPane(), BoxLayout.X_AXIS));
      validate();
      repaint();
    }
  };
  mItem.addActionListener(lst);
  group.add(mItem);
  mLayout.add(mItem);
    
  mItem = new JRadioButtonMenuItem("BoxLayout - Y");
  lst = new ActionListener() { 
    public void actionPerformed(ActionEvent e) {
      getContentPane().setLayout(new BoxLayout(
        getContentPane(), BoxLayout.Y_AXIS));
      validate();
      repaint();
    }
  };
  mItem.addActionListener(lst);
  group.add(mItem);
  mLayout.add(mItem);
    
  mItem = new JRadioButtonMenuItem("DialogLayout");
  lst = new ActionListener() { 
    public void actionPerformed(ActionEvent e) {
      getContentPane().setLayout(new DialogLayout());
      validate();
      repaint();
    }
  };
  mItem.addActionListener(lst);
  group.add(mItem);
  mLayout.add(mItem);

  menuBar.add(mLayout);

  return menuBar;
}

From source file:gov.nij.er.ui.EntityResolutionDemo.java

private void loadParameters(File file) {
    ObjectInput input = null;
    try {/*w  w w . j av a2  s  .c o m*/
        input = new ObjectInputStream(new BufferedInputStream(new FileInputStream(file)));
        @SuppressWarnings("unchecked")
        Set<AttributeParameters> parameters = (Set<AttributeParameters>) input.readObject();
        if (!rawDataTreeModel.checkParametersConsistent(parameters)) {
            error("Loaded parameters are not consistent with current loaded dataset");
            return;
        }
        parametersTableModel.loadParameters(parameters);
        LOG.debug("Read parameters from file " + file.getAbsolutePath());
    } catch (Exception ex) {
        error("Error reading parameters from file.");
        ex.printStackTrace();
    } finally {
        try {
            input.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}