/*
* Copyright 2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.ldap.server.partition.impl.btree.gui ;
import java.awt.Frame;
import java.awt.Panel;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.naming.NamingEnumeration;
import javax.swing.DefaultComboBoxModel;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTabbedPane;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.table.DefaultTableModel;
import org.apache.ldap.common.util.ExceptionUtils;
import org.apache.ldap.common.util.StringTools;
import org.apache.ldap.server.partition.impl.btree.Index;
import org.apache.ldap.server.partition.impl.btree.IndexRecord;
import org.apache.regexp.RE;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A dialog showing index values.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
* @version $Rev: 226451 $
*/
public class IndexDialog extends JDialog
{
private static final Logger log = LoggerFactory.getLogger(IndexDialog.class);
private static final long serialVersionUID = 3689917253680445238L;
public static final String DEFAULT_CURSOR = "Default" ;
public static final String EQUALITY_CURSOR = "Equality" ;
public static final String GREATER_CURSOR = "Greater" ;
public static final String LESS_CURSOR = "Less" ;
public static final String REGEX_CURSOR = "Regex" ;
private Panel m_mainPnl = new Panel();
private JTabbedPane m_tabbedPane = new JTabbedPane();
private JPanel m_listPnl = new JPanel();
private JPanel m_cursorPnl = new JPanel();
private JPanel m_resultsPnl = new JPanel();
private JScrollPane jScrollPane2 = new JScrollPane();
private JTable m_resultsTbl = new JTable();
private JPanel m_buttonPnl = new JPanel();
private JButton m_doneBut = new JButton();
private JLabel jLabel1 = new JLabel();
private JTextField m_keyText = new JTextField();
private JLabel jLabel2 = new JLabel();
private JComboBox m_cursorType = new JComboBox();
private JButton m_scanBut = new JButton();
private Index m_index = null ;
/** Creates new form JDialog */
public IndexDialog( Frame parent, boolean modal, Index a_index )
{
super ( parent, modal ) ;
m_index = a_index ;
initGUI() ;
}
/**
* This method is called from within the constructor to initialize the
* form.
*/
private void initGUI()
{
addWindowListener(new java.awt.event.WindowAdapter()
{
public void windowClosing(java.awt.event.WindowEvent evt)
{
closeDialog();
}
});
pack();
setTitle("Index On Attribute '" + m_index.getAttribute() + "'");
setBounds(new java.awt.Rectangle(0, 0, 512, 471));
getContentPane().add(m_mainPnl, java.awt.BorderLayout.CENTER);
m_mainPnl.setLayout(new java.awt.BorderLayout());
m_mainPnl.add(m_tabbedPane, java.awt.BorderLayout.CENTER);
m_tabbedPane.add(m_listPnl, "Listing");
m_listPnl.setLayout(new java.awt.GridBagLayout());
m_listPnl.add(
m_cursorPnl,
new java.awt.GridBagConstraints(
0,
0,
1,
1,
1.0,
0.15,
java.awt.GridBagConstraints.NORTH,
java.awt.GridBagConstraints.BOTH,
new java.awt.Insets(15, 0, 30, 0),
0,
0));
m_listPnl.add(
m_resultsPnl,
new java.awt.GridBagConstraints(
0,
1,
1,
1,
1.0,
0.8,
java.awt.GridBagConstraints.CENTER,
java.awt.GridBagConstraints.BOTH,
new java.awt.Insets(0, 0, 0, 0),
0,
0));
m_listPnl.add(
m_buttonPnl,
new java.awt.GridBagConstraints(
0,
2,
1,
1,
1.0,
0.05,
java.awt.GridBagConstraints.CENTER,
java.awt.GridBagConstraints.BOTH,
new java.awt.Insets(0, 0, 0, 0),
0,
0));
m_cursorPnl.setLayout(new java.awt.GridBagLayout());
m_cursorPnl.setBorder(
javax.swing.BorderFactory.createTitledBorder(
javax.swing.BorderFactory.createLineBorder(
new java.awt.Color(153, 153, 153),
1),
"Display Cursor Constraints",
javax.swing.border.TitledBorder.LEADING,
javax.swing.border.TitledBorder.TOP,
new java.awt.Font("SansSerif", 0, 14),
new java.awt.Color(60, 60, 60)));
m_cursorPnl.add(
jLabel1,
new java.awt.GridBagConstraints(
0,
1,
1,
1,
0.0,
0.0,
java.awt.GridBagConstraints.WEST,
java.awt.GridBagConstraints.NONE,
new java.awt.Insets(0, 15, 0, 10),
0,
0));
m_cursorPnl.add(
m_keyText,
new java.awt.GridBagConstraints(
1,
1,
1,
1,
0.4,
0.0,
java.awt.GridBagConstraints.WEST,
java.awt.GridBagConstraints.BOTH,
new java.awt.Insets(5, 5, 5, 236),
0,
0));
m_cursorPnl.add(
jLabel2,
new java.awt.GridBagConstraints(
0,
0,
1,
1,
0.0,
0.0,
java.awt.GridBagConstraints.WEST,
java.awt.GridBagConstraints.NONE,
new java.awt.Insets(0, 15, 0, 10),
0,
0));
m_cursorPnl.add(
m_cursorType,
new java.awt.GridBagConstraints(
1,
0,
1,
1,
0.4,
0.0,
java.awt.GridBagConstraints.WEST,
java.awt.GridBagConstraints.NONE,
new java.awt.Insets(5, 5, 5, 0),
0,
0));
m_resultsPnl.setLayout(new java.awt.BorderLayout());
m_resultsPnl.setBorder(
javax.swing.BorderFactory.createTitledBorder(
javax.swing.BorderFactory.createLineBorder(
new java.awt.Color(153, 153, 153),
1),
"Scan Results",
javax.swing.border.TitledBorder.LEADING,
javax.swing.border.TitledBorder.TOP,
new java.awt.Font("SansSerif", 0, 14),
new java.awt.Color(60, 60, 60)));
m_resultsPnl.add(jScrollPane2, java.awt.BorderLayout.CENTER);
jScrollPane2.getViewport().add(m_resultsTbl);
m_buttonPnl.setLayout(
new java.awt.FlowLayout(java.awt.FlowLayout.CENTER, 15, 5));
m_buttonPnl.add(m_doneBut);
m_buttonPnl.add(m_scanBut);
m_doneBut.setText("Done");
m_doneBut.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
closeDialog();
}
});
jLabel1.setText("Key Constraint:");
m_keyText.setText("");
m_keyText.setMinimumSize(new java.awt.Dimension(130, 20));
m_keyText.setPreferredSize(new java.awt.Dimension(130, 20));
m_keyText.setMaximumSize(new java.awt.Dimension(130, 20));
m_keyText.setFont(
new java.awt.Font("SansSerif", java.awt.Font.PLAIN, 14));
m_keyText.setSize(new java.awt.Dimension(130, 20));
jLabel2.setText("Cursor Type:");
m_cursorType.setMaximumSize(new java.awt.Dimension(32767, 20));
m_cursorType.setMinimumSize(new java.awt.Dimension(126, 20));
m_cursorType.setPreferredSize(new java.awt.Dimension(130, 20));
DefaultComboBoxModel l_comboModel = new DefaultComboBoxModel();
l_comboModel.addElement(DEFAULT_CURSOR);
l_comboModel.addElement(EQUALITY_CURSOR);
l_comboModel.addElement(GREATER_CURSOR);
l_comboModel.addElement(LESS_CURSOR);
l_comboModel.addElement(REGEX_CURSOR);
m_cursorType.setModel(l_comboModel);
m_cursorType.setMaximumRowCount(5);
m_scanBut.setText("Scan");
m_scanBut.addActionListener(new ActionListener()
{
public void actionPerformed(ActionEvent e)
{
doScan(
m_keyText.getText(),
(String) m_cursorType.getSelectedItem());
}
});
doScan(null, DEFAULT_CURSOR);
}
private void closeDialog()
{
setVisible( false ) ;
dispose() ;
}
public boolean doScan( String a_key, String a_scanType )
{
if ( a_key == null || a_key.trim().equals( "" ) )
{
a_key = null ;
}
if ( a_key == null && a_scanType != DEFAULT_CURSOR )
{
JOptionPane.showMessageDialog( null, "Cannot use a " +
a_scanType + " scan type with a null key constraint.",
"Missing Key Constraint", JOptionPane.ERROR_MESSAGE ) ;
return false ;
}
try
{
NamingEnumeration l_list = null ;
if ( a_scanType == EQUALITY_CURSOR )
{
l_list = m_index.listIndices( a_key ) ;
}
else if ( a_scanType == GREATER_CURSOR )
{
l_list = m_index.listIndices( a_key, true ) ;
}
else if ( a_scanType == LESS_CURSOR )
{
l_list = m_index.listIndices( a_key, false ) ;
}
else if ( a_scanType == REGEX_CURSOR )
{
RE l_regex = StringTools.getRegex( a_key ) ;
int l_starIndex = a_key.indexOf( '*' ) ;
if ( l_starIndex > 0 )
{
String l_prefix = a_key.substring( 0, l_starIndex ) ;
if (log.isDebugEnabled())
log.debug( "Regex prefix = " + l_prefix ) ;
l_list = m_index.listIndices( l_regex, l_prefix ) ;
}
else
{
l_list = m_index.listIndices( l_regex ) ;
}
}
else
{
l_list = m_index.listIndices() ;
}
Object [] l_cols = new Object [2] ;
Object [] l_row = null ;
l_cols[0] = "Keys ( Attribute Value )" ;
l_cols[1] = "Values ( Entry Id )" ;
DefaultTableModel l_model = new DefaultTableModel( l_cols, 0 ) ;
int l_count = 0 ;
while( l_list.hasMore() )
{
IndexRecord l_rec = ( IndexRecord ) l_list.next() ;
l_row = new Object [2] ;
l_row[0] = l_rec.getIndexKey() ;
l_row[1] = l_rec.getEntryId() ;
l_model.addRow( l_row ) ;
l_count++ ;
}
m_resultsTbl.setModel( l_model ) ;
m_resultsPnl.setBorder(
javax.swing.BorderFactory.createTitledBorder(
javax.swing.BorderFactory.createLineBorder(
new java.awt.Color( 153, 153, 153 ), 1 ),
"Scan Results: " + l_count,
javax.swing.border.TitledBorder.LEADING,
javax.swing.border.TitledBorder.TOP,
new java.awt.Font( "SansSerif", 0, 14 ),
new java.awt.Color( 60, 60, 60 ) ) ) ;
if ( isVisible() )
{
validate() ;
}
}
catch ( Exception e )
{
String l_msg = ExceptionUtils.getStackTrace( e );
if ( l_msg.length() > 1024 )
{
l_msg = l_msg.substring( 0, 1024 )
+ "\n. . . TRUNCATED . . ." ;
}
l_msg = "Error while scanning index "
+ "on attribute " + m_index.getAttribute() + " using a "
+ a_scanType + " cursor type with a key constraint of '"
+ a_key + "':\n" + l_msg ;
JTextArea l_area = new JTextArea() ;
l_area.setText( l_msg ) ;
JOptionPane.showMessageDialog( null, l_area, "Index Scan Error",
JOptionPane.ERROR_MESSAGE ) ;
return false ;
}
return true ;
}
}