Bug 183336 birt:paramDef should process parameters which do not echo input.
Description: birt:paramDef should process parameters which do not echo input. Build number:2.2.0.v20070420 Steps to reproduce: 1. New a report with a parameter, string, tick on "do not echo input" option. 2. New a birt jsp file with content. <birt:parameterPage id="0" name="page" reportDesign="report.rptdesign" isCustom="true"> echo parameter:<birt:paramDef id="1" name="p_echo"/> <input type="submit" name="OK" value="submit"/> </birt:parameterPage> 3. Preview the jsp and input content in input box. Expected result: Input content is replaced with other signals as "*" Actual result: User can see the input content. Error log:N/A
viewer/org.eclipse.birt.report.viewer/birt/WEB-INF/classes/org/eclipse/birt/report/taglib/ParamDefTag.java
{
				case IScalarParameterDefn.TEXT_BOX :
					__handleTextBox( );
					break;
				case IScalarParameterDefn.LIST_BOX :
					__handleListBox( );
					break;
				case IScalarParameterDefn.RADIO_BUTTON :
					__handleRadioButton( );
					break;
				case IScalarParameterDefn.CHECK_BOX :
					__handleCheckBox( );
					break;
				default :
					break;
			}
		}
	}
	/**
	 * Handle output hidden type parameter
	 * 
	 * @throws Exception
	 */
	protected void __handleHidden( ) throws Exception
	{
		JspWriter writer = pageContext.getOut( );
		String encParamId = ParameterAccessor.htmlEncode( param.getId( ) );
		String encParamName = ParameterAccessor.htmlEncode( param.getName( ) );
		boolean isNullValue = param.getValue( ) == null;