Bug 188584 Time parameter default value has not been display on Enter Parameters dialog[0002]
Descript: Time parameter default value has not been display on Enter Parameters window[0002] Step: 1.New a Time parameter and input "00:00:00 AM" in default value 2.Preview and the Enter Parmeter dialog Actual result: The default value has not been show in it. Exception result: The default value show in it.
UI/org.eclipse.birt.report.designer.ui/src/org/eclipse/birt/report/designer/ui/dialogs/ParameterDialog.java
string = new StringFormatter( pattern ).format( string );
			}
		}
		catch ( BirtException e )
		{
			
		}
		return string;
	}
	/**
	 * Check if the specified value is valid
	 * 
	 * @param value
	 *            the value to check
	 * @return Returns the error message if the input value is invalid,or null
	 *         if it is valid
	 */
	private String isValidValue( String value )
	{
		if ( canBeNull( ) )
		{
			if ( value == null || value.length( ) == 0 )
			{
				return null;
			}
		}
		else
		{
			if ( value == null || value.length( ) == 0 )
			{