public static UIComponent addTransient(
FacesContext context, ServletRequest req, UIComponent parent, String prevId, Class childClass)
throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
BodyContent body = parentTag.getBodyContent();
if (body != null) addVerbatim(parent, body);
}
UIComponent child = null;
;
if (child == null) child = (UIComponent) childClass.newInstance();
child.setTransient(true);
addChild(parent, prevId, child);
return child;
}
public static UIComponent addFacet(
FacesContext context,
ServletRequest req,
UIComponent parent,
String facetName,
ValueExpression binding,
Class childClass)
throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
}
UIComponent child = null;
if (binding != null) child = (UIComponent) binding.getValue(context.getELContext());
if (child == null) child = (UIComponent) childClass.newInstance();
if (parent != null) parent.getFacets().put(facetName, child);
if (binding != null) binding.setValue(context.getELContext(), child);
return child;
}
public static UIComponent addPersistent(
FacesContext context,
ServletRequest req,
UIComponent parent,
ValueExpression binding,
Class childClass)
throws Exception {
if (context == null) context = FacesContext.getCurrentInstance();
if (parent == null) {
UIComponentClassicTagBase parentTag =
(UIComponentClassicTagBase) req.getAttribute("caucho.jsf.parent");
parent = parentTag.getComponentInstance();
BodyContent body = parentTag.getBodyContent();
addVerbatim(parent, body);
}
UIComponent child = null;
if (binding != null) child = (UIComponent) binding.getValue(context.getELContext());
if (child == null) {
child = (UIComponent) childClass.newInstance();
// jsf/3251
if (binding != null) binding.setValue(context.getELContext(), child);
}
if (parent != null) parent.getChildren().add(child);
return child;
}
/** Calculates a MD5 digest of the class. */
public String getDigest() {
try {
if (_className == null || "".equals(_className)) return "";
DynamicClassLoader loader =
(DynamicClassLoader) Thread.currentThread().getContextClassLoader();
ClassLoader tmpLoader = loader.getNewTempClassLoader();
Class cl = Class.forName(_className, false, tmpLoader);
if (cl == null) return "";
MessageDigest digest = MessageDigest.getInstance("MD5");
addDigest(digest, cl.getName());
addDigest(digest, cl.getModifiers());
Class superClass = cl.getSuperclass();
if (superClass != null) addDigest(digest, superClass.getName());
Class[] interfaces = cl.getInterfaces();
for (int i = 0; i < interfaces.length; i++) addDigest(digest, interfaces[i].getName());
Field[] fields = cl.getDeclaredFields();
Arrays.sort(fields, new FieldComparator());
if (_checkFields) {
for (Field field : fields) {
if (Modifier.isPrivate(field.getModifiers()) && !_checkPrivate) continue;
if (Modifier.isProtected(field.getModifiers()) && !_checkProtected) continue;
addDigest(digest, field.getName());
addDigest(digest, field.getModifiers());
addDigest(digest, field.getType().getName());
addDigest(digest, field.getAnnotations());
}
}
Method[] methods = cl.getDeclaredMethods();
Arrays.sort(methods, new MethodComparator());
for (int i = 0; i < methods.length; i++) {
Method method = methods[i];
if (Modifier.isPrivate(method.getModifiers()) && !_checkPrivate) continue;
if (Modifier.isProtected(method.getModifiers()) && !_checkProtected) continue;
if (Modifier.isStatic(method.getModifiers()) && !_checkStatic) continue;
addDigest(digest, method.getName());
addDigest(digest, method.getModifiers());
addDigest(digest, method.getName());
Class[] param = method.getParameterTypes();
for (int j = 0; j < param.length; j++) addDigest(digest, param[j].getName());
addDigest(digest, method.getReturnType().getName());
Class[] exn = method.getExceptionTypes();
for (int j = 0; j < exn.length; j++) addDigest(digest, exn[j].getName());
addDigest(digest, method.getAnnotations());
}
byte[] digestBytes = new byte[256];
int len = digest.digest(digestBytes, 0, digestBytes.length);
return digestToBase64(digestBytes, len);
} catch (Exception e) {
log.log(Level.FINER, e.toString(), e);
return "";
}
}
