本文整理汇总了Java中javax.servlet.jsp.tagext.TagExtraInfo.getVariableInfo方法的典型用法代码示例。如果您正苦于以下问题：Java TagExtraInfo.getVariableInfo方法的具体用法？Java TagExtraInfo.getVariableInfo怎么用？Java TagExtraInfo.getVariableInfo使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类javax.servlet.jsp.tagext.TagExtraInfo的用法示例。
在下文中一共展示了TagExtraInfo.getVariableInfo方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: existsNestedVariable
import javax.servlet.jsp.tagext.TagExtraInfo; //导入方法依赖的package包/类
protected boolean existsNestedVariable(
TagExtraInfo tei, Hashtable seed) {
VariableInfo[] dummy = tei.getVariableInfo(new DummyTagData(seed));
if (dummy != null) {
for (int i = 0; i < dummy.length; i++) {
if (dummy[i].getScope() == VariableInfo.NESTED) {
return true;
}
}
}
return false;
}
示例2: visit
import javax.servlet.jsp.tagext.TagExtraInfo; //导入方法依赖的package包/类
@Override
public void visit(Node.CustomTag n) throws JasperException {
TagInfo tagInfo = n.getTagInfo();
if (tagInfo == null) {
err.jspError(n, "jsp.error.missing.tagInfo", n.getQName());
}
/*
* The bodycontent of a SimpleTag cannot be JSP.
*/
if (n.implementsSimpleTag() && tagInfo.getBodyContent().equalsIgnoreCase(TagInfo.BODY_CONTENT_JSP)) {
err.jspError(n, "jsp.error.simpletag.badbodycontent", tagInfo.getTagClassName());
}
/*
* If the tag handler declares in the TLD that it supports dynamic
* attributes, it also must implement the DynamicAttributes
* interface.
*/
if (tagInfo.hasDynamicAttributes() && !n.implementsDynamicAttributes()) {
err.jspError(n, "jsp.error.dynamic.attributes.not.implemented", n.getQName());
}
/*
* Make sure all required attributes are present, either as
* attributes or named attributes (<jsp:attribute>). Also make sure
* that the same attribute is not specified in both attributes or
* named attributes.
*/
TagAttributeInfo[] tldAttrs = tagInfo.getAttributes();
String customActionUri = n.getURI();
Attributes attrs = n.getAttributes();
int attrsSize = (attrs == null) ? 0 : attrs.getLength();
for (int i = 0; i < tldAttrs.length; i++) {
String attr = null;
if (attrs != null) {
attr = attrs.getValue(tldAttrs[i].getName());
if (attr == null) {
attr = attrs.getValue(customActionUri, tldAttrs[i].getName());
}
}
Node.NamedAttribute na = n.getNamedAttributeNode(tldAttrs[i].getName());
if (tldAttrs[i].isRequired() && attr == null && na == null) {
err.jspError(n, "jsp.error.missing_attribute", tldAttrs[i].getName(), n.getLocalName());
}
if (attr != null && na != null) {
err.jspError(n, "jsp.error.duplicate.name.jspattribute", tldAttrs[i].getName());
}
}
Node.Nodes naNodes = n.getNamedAttributeNodes();
int jspAttrsSize = naNodes.size() + attrsSize;
Node.JspAttribute[] jspAttrs = null;
if (jspAttrsSize > 0) {
jspAttrs = new Node.JspAttribute[jspAttrsSize];
}
Hashtable<String, Object> tagDataAttrs = new Hashtable<String, Object>(attrsSize);
checkXmlAttributes(n, jspAttrs, tagDataAttrs);
checkNamedAttributes(n, jspAttrs, attrsSize, tagDataAttrs);
TagData tagData = new TagData(tagDataAttrs);
// JSP.C1: It is a (translation time) error for an action that
// has one or more variable subelements to have a TagExtraInfo
// class that returns a non-null object.
TagExtraInfo tei = tagInfo.getTagExtraInfo();
if (tei != null && tei.getVariableInfo(tagData) != null && tei.getVariableInfo(tagData).length > 0
&& tagInfo.getTagVariableInfos().length > 0) {
err.jspError("jsp.error.non_null_tei_and_var_subelems", n.getQName());
}
n.setTagData(tagData);
n.setJspAttributes(jspAttrs);
visitBody(n);
}