/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
* See the GNU Lesser General Public License for more details.
*
* Copyright (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.misc.referencedoc;
import org.pentaho.reporting.engine.classic.core.modules.parser.ext.factory.base.ObjectDescription;
import org.pentaho.reporting.engine.classic.core.modules.parser.ext.factory.datasource.DataSourceCollector;
import org.pentaho.reporting.engine.classic.core.modules.parser.ext.factory.datasource.DataSourceFactory;
import javax.swing.table.AbstractTableModel;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Iterator;
/**
* A table model for the style key reference generator.
*
* @author Thomas Morgner
*/
public class DataSourceReferenceTableModel extends AbstractTableModel {
/**
* Represents a row in the table model.
*/
private static class DataSourceDescriptionRow {
/**
* The factory.
*/
private final DataSourceFactory datasourceFactory;
/**
* The key.
*/
private final String datasourceName;
/**
* The implementing class for the datasource name.
*/
private final Class implementingClass;
/**
* Creates a new row.
*
* @param datasourceFactory
* the datasource factory
* @param name
* the name of the datasource within the factory.
* @param implementingClass
* the class that implements the named datasource.
*/
private DataSourceDescriptionRow( final DataSourceFactory datasourceFactory, final String name,
final Class implementingClass ) {
this.datasourceFactory = datasourceFactory;
this.datasourceName = name;
this.implementingClass = implementingClass;
}
/**
* Returns the factory.
*
* @return The factory.
*/
public DataSourceFactory getFactory() {
return datasourceFactory;
}
/**
* Returns the datasource name.
*
* @return The datasource name.
*/
public String getName() {
return datasourceName;
}
/**
* Returns the class object for the datasource.
*
* @return the datasource class.
*/
public Class getImplementingClass() {
return implementingClass;
}
}
/**
* The column names.
*/
private static final String[] COLUMN_NAMES = { "datasource-factory", //$NON-NLS-1$
"datasource-name", //$NON-NLS-1$
"datasource-class" //$NON-NLS-1$
};
/**
* Storage for the rows.
*/
private final ArrayList rows;
/**
* Creates a new table model.
*
* @param cf
* the factory collection.
*/
public DataSourceReferenceTableModel( final DataSourceCollector cf ) {
rows = new ArrayList();
addFactoryCollector( cf );
}
/**
* Adds a factory.
*
* @param cf
* the factory.
*/
private void addFactoryCollector( final DataSourceCollector cf ) {
final Iterator it = cf.getFactories();
while ( it.hasNext() ) {
final DataSourceFactory cfact = (DataSourceFactory) it.next();
if ( cfact instanceof DataSourceCollector ) {
addFactoryCollector( (DataSourceCollector) cfact );
} else {
addDataSourceFactory( cfact );
}
}
}
/**
* Adds a factory.
*
* @param cf
* the factory.
*/
private void addDataSourceFactory( final DataSourceFactory cf ) {
Iterator it = cf.getRegisteredNames();
final ArrayList factories = new ArrayList();
while ( it.hasNext() ) {
final String c = (String) it.next();
factories.add( c );
}
Collections.sort( factories );
it = factories.iterator();
while ( it.hasNext() ) {
final String keyName = (String) it.next();
final ObjectDescription od = cf.getDataSourceDescription( keyName );
rows.add( new DataSourceDescriptionRow( cf, keyName, od.getObjectClass() ) );
}
}
/**
* Returns the number of rows in the model. A <code>JTable</code> uses this method to determine how many rows it
* should display. This method should be quick, as it is called frequently during rendering.
*
* @return the number of rows in the model
* @see #getColumnCount
*/
public int getRowCount() {
return rows.size();
}
/**
* Returns the number of columns in the model. A <code>JTable</code> uses this method to determine how many columns it
* should create and display by default.
*
* @return the number of columns in the model
* @see #getRowCount
*/
public int getColumnCount() {
return DataSourceReferenceTableModel.COLUMN_NAMES.length;
}
/**
* Returns the column name.
*
* @param column
* the column being queried
* @return a string containing the default name of <code>column</code>
*/
public String getColumnName( final int column ) {
return DataSourceReferenceTableModel.COLUMN_NAMES[column];
}
/**
* Returns <code>String.class</code> regardless of <code>columnIndex</code>.
*
* @param columnIndex
* the column being queried
* @return the Object.class
*/
public Class getColumnClass( final int columnIndex ) {
return String.class;
}
/**
* Returns the value for the cell at <code>columnIndex</code> and <code>rowIndex</code>.
*
* @param rowIndex
* the row whose value is to be queried
* @param columnIndex
* the column whose value is to be queried
* @return the value Object at the specified cell
*/
public Object getValueAt( final int rowIndex, final int columnIndex ) {
final DataSourceDescriptionRow or = (DataSourceDescriptionRow) rows.get( rowIndex );
switch ( columnIndex ) {
case 0:
return String.valueOf( or.getFactory().getClass().getName() );
case 1:
return String.valueOf( or.getName() );
case 2:
return String.valueOf( or.getImplementingClass().getName() );
default:
return null;
}
}
}