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Class SystemPropertiesTableModel

public class SystemPropertiesTableModel extends SortableTableModel

A sortable table model containing the system properties.

Author: David Gilbert

Nested Class Summary
protected static class	SystemPropertiesTableModel.SystemProperty Useful class for holding the name and value of a system property.
protected static class	SystemPropertiesTableModel.SystemPropertyComparator A class for comparing SystemProperty objects.

Constructor Summary
	SystemPropertiesTableModel() Creates a new table model using the properties of the current Java Virtual Machine.

Method Summary
int	getColumnCount() Returns the number of columns in the table model.
String	getColumnName(int column) Returns the name of the specified column.
int	getRowCount() Returns the number of rows in the table model (that is, the number of system properties).
Object	getValueAt(int row, int column) Returns the value at the specified row and column.
boolean	isSortable(int column) Returns true for the first column, and false otherwise - sorting is only allowed on the first column.
void	sortByColumn(int column, boolean ascending) Sorts on the specified column.

Constructor Detail

public SystemPropertiesTableModel()

Creates a new table model using the properties of the current Java Virtual Machine.

public int getColumnCount()

Returns the number of columns in the table model. In this case, there are two columns: one for the property name, and one for the property value.

Returns: the column count (always 2 in this case).

public String getColumnName(int column)

Returns the name of the specified column.

Parameters: column the column index.

Returns: the column name.

public int getRowCount()

Returns the number of rows in the table model (that is, the number of system properties).

Returns: the row count.

public Object getValueAt(int row, int column)

Returns the value at the specified row and column. This method supports the TableModel interface.

Parameters: row the row index. column the column index.

Returns: the value.

public boolean isSortable(int column)

Returns true for the first column, and false otherwise - sorting is only allowed on the first column.

Parameters: column the column index.

Returns: true for column 0, and false for all other columns.

public void sortByColumn(int column, boolean ascending)

Sorts on the specified column.

Parameters: column the column index. ascending a flag that controls the sort order.