public int doAfterBody() throws JspException {
CalendarTag calendartag =
(CalendarTag) TagSupport.findAncestorWithClass(this, CalendarTag.class);
if (calendartag == null) {
throw new JspException("Could not find ancestor calendarTag");
}
BodyContent bodycontent = getBodyContent();
String s;
if (bodycontent == null) {
s = "";
} else {
s = bodycontent.getString();
}
s = s.trim();
if (s.length() > 0) {
if (day == -1) {
for (int i = 0; i < 31; i++) {
calendartag.setDateTarget(i, s);
}
} else {
if (day <= 0 || day > 31) {
throw new JspException("Invalid day:" + day);
}
calendartag.setDateTarget(day - 1, s);
}
}
return 0;
}
/**
* Return the XPathContext to be used for evaluating expressions.
*
* <p>If the child is nested withing a forEach tag its iteration context is used. Otherwise, a new
* context is created based on an empty Document.
*
* @param child the tag whose context should be returned
* @param pageContext the current page context
* @return the XPath evaluation context
*/
public static XPathContext getContext(Tag child, PageContext pageContext) {
// if within a forEach tag, use its context
ForEachTag forEachTag = (ForEachTag) TagSupport.findAncestorWithClass(child, ForEachTag.class);
if (forEachTag != null) {
return forEachTag.getContext();
}
// otherwise, create a new context referring to an empty document
XPathContext context = new XPathContext(false);
VariableStack variableStack = new JSTLVariableStack(pageContext);
context.setVarStack(variableStack);
int dtm = context.getDTMHandleFromNode(newEmptyDocument());
context.pushCurrentNodeAndExpression(dtm, dtm);
return context;
}
/** Add the parameter and its value to the link tag */
public int doEndTag() throws JspException {
// parent tag must be a LinkTag, gives access to methods in parent
LinkTag myparent =
(LinkTag) javax.servlet.jsp.tagext.TagSupport.findAncestorWithClass(this, LinkTag.class);
if (myparent == null) throw new JspException("linkparam tag not nested within link tag");
else {
BodyContent bodyContent = getBodyContent();
if (bodyContent != null && !bodyContent.getString().equals("")) {
setValue(bodyContent.getString());
} else if (getValue() == null) setValue("null");
// throw new JspException("Unable to assign a value to the parameter: '" +
// getId() + "'");
myparent.addRequestParameter(getId(), getValue());
}
return SKIP_BODY;
}
public int doStartTag() throws JspException {
IterateTag itag = (IterateTag) TagSupport.findAncestorWithClass(this, IterateTag.class);
if (itag == null) {
Debug.println("RowTag.doStartTag: no enclosing 'iterate' tag found.");
} else if (itag.isEmpty()) {
return Tag.SKIP_BODY;
} else {
current_row = itag.currentElement();
if (current_row != null && itag.getBeanId() != null) {
// This is so that if the current row is a bean, jsp:useBean will work
// inside of iterations.
pageContext.setAttribute(itag.getBeanId(), current_row);
Debug.println("storing record in page scope: " + current_row);
}
return (current_row == null
? Tag.SKIP_BODY // no more elements. iteration complete.
: Tag.EVAL_BODY_INCLUDE);
}
return Tag.SKIP_BODY;
}
public int doStartTag() throws JspException {
try {
SiteContext sc =
(SiteContext) pageContext.getRequest().getAttribute(SiteContext.SITE_CONTEXT_KEY);
AccessRuleEngine re =
ContextUtils.getAccessRuleEngine((HttpServletRequest) pageContext.getRequest());
Page page = null;
Page currentInTree = sc.getPage();
if (m_strParent != null) // 直接指定了要展现的根栏目
page = (Page) pageContext.getAttribute(m_strParent);
else if (m_iLevel > -1) { // 指定了要展现的级别
if (m_iLevel <= currentInTree.getLevel()) {
page = currentInTree;
while (m_iLevel < page.getLevel()) page = page.getParent();
}
} else { // 没有指定根栏目
TreeTag tt = (TreeTag) TagSupport.findAncestorWithClass(this, TreeTag.class);
if (tt != null) page = tt.getPage();
else page = sc.getBranch().getHome(re);
}
if (page == null) return SKIP_BODY;
m_enum = Collections.enumeration(page.getPages(re, false, true));
Object next = nextElement();
if (next == null) return SKIP_BODY;
m_bFirst = true;
if (m_strName != null) pageContext.setAttribute(m_strName, next);
return EVAL_BODY_BUFFERED;
} catch (Exception e) {
e.printStackTrace();
throw new JspException(e.getMessage());
}
}
@Override
protected final int doStartTagInternal() throws JspException {
if (this.value != null) {
// Find the containing EditorAwareTag (e.g. BindTag), if applicable.
EditorAwareTag tag =
(EditorAwareTag) TagSupport.findAncestorWithClass(this, EditorAwareTag.class);
if (tag == null) {
throw new JspException(
"TransformTag can only be used within EditorAwareTag (e.g. BindTag)");
}
// OK, let's obtain the editor...
String result = null;
PropertyEditor editor = tag.getEditor();
if (editor != null) {
// If an editor was found, edit the value.
editor.setValue(this.value);
result = editor.getAsText();
} else {
// Else, just do a toString.
result = this.value.toString();
}
result = htmlEscape(result);
if (this.var != null) {
pageContext.setAttribute(this.var, result, TagUtils.getScope(this.scope));
} else {
try {
// Else, just print it out.
pageContext.getOut().print(result);
} catch (IOException ex) {
throw new JspException(ex);
}
}
}
return SKIP_BODY;
}
