public void evaluateParams()

in core/src/main/java/org/apache/struts2/components/UIBean.java [662:899]
172 lines of code
54 McCabe index (conditional complexity)

    public void evaluateParams() {
        String gotTheme = getTheme();

        addParameter(TEMPLATE_DIR, getTemplateDir());
        addParameter(THEME, gotTheme);
        addParameter("template", template != null ? findString(template) : getDefaultTemplate());
        addParameter("dynamicAttributes", dynamicAttributes);
        addParameter("themeExpansionToken", uiThemeExpansionToken);
        addParameter("expandTheme", uiThemeExpansionToken + gotTheme);

        addParameter("staticContentPath", findString(uiStaticContentPath));

        String translatedName = null;
        String providedLabel = null;

        if (this.key != null) {

            if(this.name == null) {
                setName(key);
            }

            if(this.label == null) {
                // lookup the label from a TextProvider (default value is the key)
                providedLabel = TextProviderHelper.getText(key, key, stack);
            }
        }

        if (this.name != null) {
            translatedName = findString(this.name);
            addParameter("name", translatedName);
        }

        if (label != null) {
            addParameter("label", findString(label));
        } else {
            if (providedLabel != null) {
                // label found via a TextProvider
                addParameter("label", providedLabel);
            }
        }

        if (labelSeparator != null) {
            addParameter("labelseparator", findString(labelSeparator));
        }

        if (labelPosition != null) {
            String labelPosition = findString(this.labelPosition);
            addParameter("labelPosition", labelPosition);
        }

        if (requiredPosition != null) {
            addParameter("requiredPosition", findString(requiredPosition));
        }

        if (errorPosition != null) {
            addParameter("errorposition", findString(errorPosition));
        }

        if (requiredLabel != null) {
            Object parsedValue = findValue(requiredLabel, Boolean.class);
            addParameter("required", parsedValue == null ? Boolean.valueOf(requiredLabel) : parsedValue);
        }

        if (disabled != null) {
            Object parsedValue = findValue(disabled, Boolean.class);
            addParameter("disabled", parsedValue == null ? Boolean.valueOf(disabled) : parsedValue);
        }

        if (tabindex != null) {
            addParameter("tabindex", findString(tabindex));
        }

        if (onclick != null) {
            addParameter("onclick", findString(onclick));
        }

        if (ondblclick != null) {
            addParameter("ondblclick", findString(ondblclick));
        }

        if (onmousedown != null) {
            addParameter("onmousedown", findString(onmousedown));
        }

        if (onmouseup != null) {
            addParameter("onmouseup", findString(onmouseup));
        }

        if (onmouseover != null) {
            addParameter("onmouseover", findString(onmouseover));
        }

        if (onmousemove != null) {
            addParameter("onmousemove", findString(onmousemove));
        }

        if (onmouseout != null) {
            addParameter("onmouseout", findString(onmouseout));
        }

        if (onfocus != null) {
            addParameter("onfocus", findString(onfocus));
        }

        if (onblur != null) {
            addParameter("onblur", findString(onblur));
        }

        if (onkeypress != null) {
            addParameter("onkeypress", findString(onkeypress));
        }

        if (onkeydown != null) {
            addParameter("onkeydown", findString(onkeydown));
        }

        if (onkeyup != null) {
            addParameter("onkeyup", findString(onkeyup));
        }

        if (onselect != null) {
            addParameter("onselect", findString(onselect));
        }

        if (onchange != null) {
            addParameter("onchange", findString(onchange));
        }

        if (accesskey != null) {
            addParameter("accesskey", findString(accesskey));
        }

        if (cssClass != null) {
            addParameter("cssClass", findString(cssClass));
        }

        if (cssStyle != null) {
            addParameter("cssStyle", findString(cssStyle));
        }

        if (cssErrorClass != null) {
            addParameter("cssErrorClass", findString(cssErrorClass));
        }

        if (cssErrorStyle != null) {
            addParameter("cssErrorStyle", findString(cssErrorStyle));
        }

        if (title != null) {
            addParameter("title", findString(title));
        }

        applyValueParameter(translatedName);

        final Form form = (Form) findAncestor(Form.class);

        // create HTML id element
        populateComponentHtmlId(form);

        if (form != null ) {
            addParameter("form", form.getAttributes());

            if ( translatedName != null ) {
                // list should have been created by the form component
                List<String> tags = (List<String>) form.getAttributes().get("tagNames");
                tags.add(translatedName);
            }
        }


        // tooltip & tooltipConfig
        if (tooltipConfig != null) {
            addParameter("tooltipConfig", findValue(tooltipConfig));
        }
        if (tooltip != null) {
            addParameter("tooltip", findString(tooltip));

            Map<String, String> tooltipConfigMap = getTooltipConfig(this);

            if (form != null) { // inform the containing form that we need tooltip javascript included
                form.addParameter("hasTooltip", Boolean.TRUE);

                // tooltipConfig defined in component itself will take precedence
                // over those defined in the containing form
                Map<String, String> overallTooltipConfigMap = getTooltipConfig(form);
                overallTooltipConfigMap.putAll(tooltipConfigMap); // override parent form's tooltip config

                for (Map.Entry<String, String> entry : overallTooltipConfigMap.entrySet()) {
                    addParameter(entry.getKey(), entry.getValue());
                }
            }
            else {
                LOG.warn("No ancestor Form found, javascript based tooltip will not work, however standard HTML tooltip using alt and title attribute will still work");
            }

            //TODO: this is to keep backward compatibility, remove once when tooltipConfig is dropped
            String  jsTooltipEnabled = (String) getAttributes().get("jsTooltipEnabled");
            if (jsTooltipEnabled != null)
                this.javascriptTooltip = jsTooltipEnabled;

            //TODO: this is to keep backward compatibility, remove once when tooltipConfig is dropped
            String tooltipIcon = (String) getAttributes().get("tooltipIcon");
            if (tooltipIcon != null)
                this.addParameter("tooltipIconPath", tooltipIcon);
            if (this.tooltipIconPath != null)
                this.addParameter("tooltipIconPath", findString(this.tooltipIconPath));

            //TODO: this is to keep backward compatibility, remove once when tooltipConfig is dropped
            String tooltipDelayParam = (String) getAttributes().get("tooltipDelay");
            if (tooltipDelayParam != null)
                this.addParameter("tooltipDelay", tooltipDelayParam);
            if (this.tooltipDelay != null)
                this.addParameter("tooltipDelay", findString(this.tooltipDelay));

            if (this.javascriptTooltip != null) {
                Object jsTooltips = findValue(this.javascriptTooltip, Boolean.class);
                //TODO use a Boolean model when tooltipConfig is dropped
                this.addParameter("jsTooltipEnabled", jsTooltips == null ? this.javascriptTooltip : jsTooltips.toString());

                if (form != null)
                    form.addParameter("hasTooltip", jsTooltips);
                if (this.tooltipCssClass != null)
                    this.addParameter("tooltipCssClass", findString(this.tooltipCssClass));
            }
        }

        // to be used with the CSP interceptor - adds the nonce value as a parameter to be accessed from ftl files
        HttpSession session = stack.getActionContext().getServletRequest().getSession(false);
        Object nonceValue = session != null ? session.getAttribute("nonce") : null;

        if (nonceValue != null) {
            addParameter("nonce", nonceValue.toString());
        } else {
            LOG.debug("Session is not active, cannot obtain nonce value");
        }

        evaluateExtraParams();
    }