org.apache.log4j.chainsaw

Class LoadXMLAction

java.lang.Object

javax.swing.AbstractAction

org.apache.log4j.chainsaw.LoadXMLAction

All Implemented Interfaces:

java.awt.event.ActionListener, java.io.Serializable, java.lang.Cloneable, java.util.EventListener, javax.swing.Action

class LoadXMLAction
extends javax.swing.AbstractAction

Encapsulates the action to load an XML file.

Version:

1.0

Field Summary

Fields

Modifier and Type	Field and Description
private static Logger	LOG use to log messages
private javax.swing.JFileChooser	mChooser the file chooser - configured to allow only the selection of a single file.
private XMLFileHandler	mHandler the content handler
private javax.swing.JFrame	mParent the parent frame
private org.xml.sax.XMLReader	mParser parser to read XML files

Fields inherited from class javax.swing.AbstractAction

changeSupport, enabled

Fields inherited from interface javax.swing.Action

ACCELERATOR_KEY, ACTION_COMMAND_KEY, DEFAULT, DISPLAYED_MNEMONIC_INDEX_KEY, LARGE_ICON_KEY, LONG_DESCRIPTION, MNEMONIC_KEY, NAME, SELECTED_KEY, SHORT_DESCRIPTION, SMALL_ICON

Constructor Summary

Constructors

Constructor and Description
LoadXMLAction(javax.swing.JFrame aParent, MyTableModel aModel) Creates a new LoadXMLAction instance.

Method Summary

Modifier and Type	Method and Description
void	actionPerformed(java.awt.event.ActionEvent aIgnore) Prompts the user for a file to load events from.
private int	loadFile(java.lang.String aFile) Loads the contents of file into the model

Methods inherited from class javax.swing.AbstractAction

addPropertyChangeListener, clone, firePropertyChange, getKeys, getPropertyChangeListeners, getValue, isEnabled, putValue, removePropertyChangeListener, setEnabled

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

LOG

private static final Logger LOG

use to log messages

mParent

private final javax.swing.JFrame mParent

the parent frame

mChooser

private final javax.swing.JFileChooser mChooser

the file chooser - configured to allow only the selection of a single file.

mParser

private final org.xml.sax.XMLReader mParser

parser to read XML files

mHandler

private final XMLFileHandler mHandler

the content handler

Constructor Detail

LoadXMLAction

LoadXMLAction(javax.swing.JFrame aParent,
              MyTableModel aModel)
       throws org.xml.sax.SAXException,
              javax.xml.parsers.ParserConfigurationException

Creates a new LoadXMLAction instance.

Parameters:

aParent - the parent frame

aModel - the model to add events to

Throws:

org.xml.sax.SAXException - if an error occurs

javax.xml.parsers.ParserConfigurationException - if an error occurs

Method Detail

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent aIgnore)

Prompts the user for a file to load events from.

Parameters:

aIgnore - an ActionEvent value

loadFile

private int loadFile(java.lang.String aFile)
              throws org.xml.sax.SAXException,
                     java.io.IOException

Loads the contents of file into the model

Parameters:

aFile - the file to extract events from

Returns:

the number of events loaded

Throws:

org.xml.sax.SAXException - if an error occurs

java.io.IOException - if an error occurs