com.sun.faces.facelets.tag.ui.RepeatHandler Maven / Gradle / Ivy
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package com.sun.faces.facelets.tag.ui;
import com.sun.faces.util.FacesLogger;
import javax.faces.component.UIComponent;
import java.beans.Introspector;
import java.beans.PropertyDescriptor;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.faces.view.facelets.ComponentConfig;
import javax.faces.view.facelets.ComponentHandler;
import javax.faces.view.facelets.FaceletContext;
import javax.faces.view.facelets.MetaRuleset;
import javax.faces.view.facelets.Metadata;
import javax.faces.view.facelets.TagAttribute;
public class RepeatHandler extends ComponentHandler {
private static final Logger log = FacesLogger.FACELETS_COMPOSITION.getLogger();
public RepeatHandler(ComponentConfig config) {
super(config);
}
@Override
protected MetaRuleset createMetaRuleset(Class type) {
MetaRuleset meta = super.createMetaRuleset(type);
String myNamespace = this.tag.getNamespace();
if ((!UILibrary.Namespace.equals(myNamespace)) &&
(!UILibrary.XMLNSNamespace.equals(myNamespace))) {
meta.add(new TagMetaData(type));
}
meta.alias("class", "styleClass");
return meta;
}
private class TagMetaData extends Metadata {
private final String[] attrs;
public TagMetaData(Class type) {
Set s = new HashSet();
TagAttribute[] ta = tag.getAttributes().getAll();
for (int i = 0; i < ta.length; i++) {
if ("class".equals(ta[i].getLocalName())) {
s.add("styleClass");
} else {
s.add(ta[i].getLocalName());
}
}
try {
PropertyDescriptor[] pd = Introspector.getBeanInfo(type)
.getPropertyDescriptors();
for (int i = 0; i < pd.length; i++) {
if (pd[i].getWriteMethod() != null) {
s.remove(pd[i].getName());
}
}
} catch (Exception e) {
if (log.isLoggable(Level.FINEST)) {
log.log(Level.FINEST, "Unable to get bean info", e);
}
}
this.attrs = (String[]) s.toArray(new String[s.size()]);
}
@Override
public void applyMetadata(FaceletContext ctx, Object instance) {
UIComponent c = (UIComponent) instance;
Map localAttrs = c.getAttributes();
localAttrs.put("alias.element", tag.getQName());
if (this.attrs.length > 0) {
localAttrs.put("alias.attributes", this.attrs);
}
}
}
}