private static void internalIntrospecthelper()

in src/main/java/org/apache/sling/scripting/jsp/jasper/runtime/JspRuntimeLibrary.java [313:377]
64 lines of code
17 McCabe index (conditional complexity)

    private static void internalIntrospecthelper(Object bean, String prop,
					String value, ServletRequest request,
					String param, boolean ignoreMethodNF) 
					throws JasperException
    {
        Method method = null;
        Class type = null;
        Class propertyEditorClass = null;
	try {
	    java.beans.BeanInfo info
		= java.beans.Introspector.getBeanInfo(bean.getClass());
	    if ( info != null ) {
		java.beans.PropertyDescriptor pd[]
		    = info.getPropertyDescriptors();
		for (int i = 0 ; i < pd.length ; i++) {
		    if ( pd[i].getName().equals(prop) ) {
			method = pd[i].getWriteMethod();
			type   = pd[i].getPropertyType();
			propertyEditorClass = pd[i].getPropertyEditorClass();
			break;
		    }
		}
	    }
	    if ( method != null ) {
		if (type.isArray()) {
                    if (request == null) {
			throw new JasperException(
		            Localizer.getMessage("jsp.error.beans.setproperty.noindexset"));
                    }
		    Class t = type.getComponentType();
		    String[] values = request.getParameterValues(param);
		    //XXX Please check.
		    if(values == null) return;
		    if(t.equals(String.class)) {
			method.invoke(bean, new Object[] { values });
		    } else {
			Object tmpval = null;
			createTypedArray (prop, bean, method, values, t,
					  propertyEditorClass); 
		    }
		} else {
		    if(value == null || (param != null && value.equals(""))) return;
		    Object oval = convert(prop, value, type, propertyEditorClass);
		    if ( oval != null )
			method.invoke(bean, new Object[] { oval });
		}
	    }
	} catch (Exception ex) {
	    throw new JasperException(ex);
	}
        if (!ignoreMethodNF && (method == null)) {
            if (type == null) {
		throw new JasperException(
                    Localizer.getMessage("jsp.error.beans.noproperty",
					 prop,
					 bean.getClass().getName()));
            } else {
		throw new JasperException(
	            Localizer.getMessage("jsp.error.beans.nomethod.setproperty",
					 prop,
					 type.getName(),
					 bean.getClass().getName()));
            }
        }
    }