Java Element.setRecomputeProcessorsImmediately方法代码示例

import org.thymeleaf.dom.Element; //导入方法依赖的package包/类
@Override
protected ProcessorResult processAttribute(Arguments arguments, Element element, String attributeName) {
    String[] value = element.getAttributeValue(attributeName).split(":");
    String webjarName = value[0];
    String filePath = value[1];

    element.removeAttribute(attributeName);

    element.setAttribute("th:" + attribute, String.format("@{/{path}/%s(path=${#webjars['%s'].path})}", filePath, webjarName));
    // reevaluate th:src
    element.setRecomputeProcessorsImmediately(true);

    return ProcessorResult.OK;
}
 

import org.thymeleaf.dom.Element; //导入方法依赖的package包/类
@Override
protected ProcessorResult processElement(Arguments arguments, Element element) {
    // If the form will be not be submitted with a GET, we must add the CSRF token
    // We do this instead of checking for a POST because post is default if nothing is specified
    if (!"GET".equalsIgnoreCase(element.getAttributeValueFromNormalizedName("method"))) {
        try {
            String csrfToken = eps.getCSRFToken();

            //detect multipart form
            if ("multipart/form-data".equalsIgnoreCase(element.getAttributeValueFromNormalizedName("enctype"))) {
                Expression expression = (Expression) StandardExpressions.getExpressionParser(arguments.getConfiguration())
                        .parseExpression(arguments.getConfiguration(), arguments, element.getAttributeValueFromNormalizedName("th:action"));
                String action = (String) expression.execute(arguments.getConfiguration(), arguments);
                String csrfQueryParameter = "?" + eps.getCsrfTokenParameter() + "=" + csrfToken;
                element.removeAttribute("th:action");
                element.setAttribute("action", action + csrfQueryParameter);
            } else {
                Element csrfNode = new Element("input");
                csrfNode.setAttribute("type", "hidden");
                csrfNode.setAttribute("name", eps.getCsrfTokenParameter());
                csrfNode.setAttribute("value", csrfToken);
                element.addChild(csrfNode);
            }

        } catch (ServiceException e) {
            throw new RuntimeException("Could not get a CSRF token for this session", e);
        }
    }
    
    // Convert the <blc:form> node to a normal <form> node
    Element newElement = element.cloneElementNodeWithNewName(element.getParent(), "form", false);
    newElement.setRecomputeProcessorsImmediately(true);
    element.getParent().insertAfter(element, newElement);
    element.getParent().removeChild(element);
    
    return ProcessorResult.OK;
}
 

import org.thymeleaf.dom.Element; //导入方法依赖的package包/类
public void fixElement(Element element, Arguments arguments) {
    boolean elementAdded = false;
    boolean removeElement = false;
    Set<String> attributeNames = element.getAttributeMap().keySet();

    for (String a : attributeNames) {
        String attrName = a.toLowerCase();
        if (attrName.startsWith("th")) {
            if (attrName.equals("th:substituteby") || (attrName.equals("th:replace") || attrName.equals("th:include"))) {
                if (!elementAdded) {
                    Element extraDiv = new Element("div");
                    String attrValue = element.getAttributeValue(attrName);
                    element.removeAttribute(attrName);
                    extraDiv.setAttribute(attrName, attrValue);
                    element.addChild(extraDiv);
                    elementAdded = true;
                    element.setNodeProperty("templateName", attrValue);

                    // This will ensure that the substituteby and replace processors only run for the child element
                    element.setRecomputeProcessorsImmediately(true);
                }
            } else if (attrName.equals("th:remove")) {
                Attribute attr = element.getAttributeMap().get(attrName);
                if ("tag".equals(attr.getValue())) {
                    removeElement = true;

                    // The cache functionality will remove the element. 
                    element.setAttribute(attrName, "none");
                }
            }
        }
    }

    if (!elementAdded || removeElement) {
        element.setNodeProperty("blcOutputParentNode", Boolean.TRUE);
    }
}
 

import org.thymeleaf.dom.Element; //导入方法依赖的package包/类
@Override
public ProcessorResult processAttribute(final Arguments arguments, final Element element, String attributeName) {
    if (shouldCache(arguments, element, attributeName)) {
        fixElement(element, arguments);
        if (checkCacheForElement(arguments, element)) {
            // This template has been cached.
            element.clearChildren();
            element.clearAttributes();
            element.setRecomputeProcessorsImmediately(true);
        }
    }
    return ProcessorResult.OK;
}