private String[] determineQName(Tag tag) {
TagAttribute attr = tag.getAttributes().get("jsfc");
if (attr != null) {
if (log.isLoggable(Level.FINE)) {
log.fine(attr + " JSF Facelet Compile Directive Found");
}
String value = attr.getValue();
String namespace, localName;
int c = value.indexOf(':');
if (c == -1) {
namespace = this.namespaceManager.getNamespace("");
localName = value;
} else {
String prefix = value.substring(0, c);
namespace = this.namespaceManager.getNamespace(prefix);
if (namespace == null) {
throw new TagAttributeException(tag, attr, "No Namespace matched for: " + prefix);
}
localName = value.substring(c + 1);
}
return new String[] {namespace, localName};
} else {
return new String[] {tag.getNamespace(), tag.getLocalName()};
}
}
private Tag trimNSAttributes(Tag tag) {
TagAttribute[] attr = (TagAttribute[]) tag.getAttributes().getAll();
int remove = 0;
for (int i = 0; i < attr.length; i++) {
if (attr[i].getQName().startsWith("xmlns")
&& this.tagLibrary.containsNamespace(attr[i].getValue(), null)) {
remove |= 1 << i;
if (log.isLoggable(Level.FINE)) {
log.fine(attr[i] + " Namespace Bound to TagLibrary");
}
}
}
if (remove == 0) {
return tag;
} else {
List attrList = new ArrayList(attr.length);
int p = 0;
for (int i = 0; i < attr.length; i++) {
p = 1 << i;
if ((p & remove) == p) {
continue;
}
attrList.add(attr[i]);
}
attr = (TagAttribute[]) attrList.toArray(new TagAttribute[attrList.size()]);
return new Tag(
tag.getLocation(),
tag.getNamespace(),
tag.getLocalName(),
tag.getQName(),
new TagAttributesImpl(attr));
}
}
public void pushTag(Tag orig) {
if (this.finished) {
return;
}
if (log.isLoggable(Level.FINE)) {
log.fine("Tag Pushed: " + orig);
}
Tag t = this.tagDecorator.decorate(orig);
String[] qname = this.determineQName(t);
t = this.trimAttributes(t);
TagAttribute[] componentAttributes =
t.getAttributes().getAll(JsfPassthroughElementLibrary.Namespace);
boolean hasComponentAttributes = null != componentAttributes && 0 < componentAttributes.length;
boolean handled = false;
if (isTrimmed(qname[0], qname[1])) {
if (log.isLoggable(Level.FINE)) {
log.fine("Composition Found, Popping Parent Tags");
}
this.units.clear();
NamespaceUnit nsUnit = this.namespaceManager.toNamespaceUnit(this.tagLibrary);
this.units.push(nsUnit);
this.startUnit(new TrimmedTagUnit(this.tagLibrary, qname[0], qname[1], t, this.nextTagId()));
if (log.isLoggable(Level.FINE)) {
log.fine("New Namespace and [Trimmed] TagUnit pushed");
}
} else if (isImplementation(qname[0], qname[1])) {
if (log.isLoggable(Level.FINE)) {
log.fine("Composite Component Implementation Found, Popping Parent Tags");
}
// save aside the InterfaceUnit
InterfaceUnit iface = getInterfaceUnit();
if (null == iface) {
throw new TagException(orig, "Unable to find interface for implementation.");
}
// Cleare the parent tags
this.units.clear();
NamespaceUnit nsUnit = this.namespaceManager.toNamespaceUnit(this.tagLibrary);
this.units.push(nsUnit);
this.currentUnit().addChild(iface);
this.startUnit(
new ImplementationUnit(this.tagLibrary, qname[0], qname[1], t, this.nextTagId()));
if (log.isLoggable(Level.FINE)) {
log.fine("New Namespace and ImplementationUnit pushed");
}
} else if (isRemove(qname[0], qname[1])) {
this.units.push(new RemoveUnit());
} else if (this.tagLibrary.containsTagHandler(qname[0], qname[1]) || hasComponentAttributes) {
if (isInterface(qname[0], qname[1])) {
InterfaceUnit iface =
new InterfaceUnit(this.tagLibrary, qname[0], qname[1], t, this.nextTagId());
setInterfaceUnit(iface);
this.startUnit(iface);
} else {
if (hasComponentAttributes) {
String ns = t.getNamespace();
if (0 == ns.length() || "http://www.w3.org/1999/xhtml".equals(ns)) {
t.setNamespace(JsfPassthroughElementLibrary.Namespace);
this.startUnit(
new TagUnit(
this.tagLibrary,
JsfPassthroughElementLibrary.Namespace,
qname[1],
t,
this.nextTagId()));
} else {
throw new FaceletException(
"Elements with namespace "
+ ns
+ " may not have attributes in namespace "
+ JsfPassthroughElementLibrary.Namespace
+ "."
+ " Namespace "
+ JsfPassthroughElementLibrary.Namespace
+ " is intended for otherwise non-JSF-aware markup, such as <input type=\"text\" jsf:id >"
+ " It is not valid to have <h:commandButton jsf:id=\"button\" />.");
}
} else {
this.startUnit(new TagUnit(this.tagLibrary, qname[0], qname[1], t, this.nextTagId()));
}
}
} else if (this.tagLibrary.containsNamespace(qname[0], t)) {
throw new TagException(
orig,
"Tag Library supports namespace: "
+ qname[0]
+ ", but no tag was defined for name: "
+ qname[1]);
} else {
TextUnit unit;
if (this.currentUnit() instanceof TextUnit) {
unit = (TextUnit) this.currentUnit();
} else {
unit = new TextUnit(this.alias, this.nextTagId());
this.startUnit(unit);
}
unit.startTag(t);
}
}