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package com.sun.faces.application.annotation;
import java.lang.annotation.Annotation;
import java.util.Collection;
import java.util.Collections;
import java.util.ArrayList;
import java.util.Map;
import java.util.HashMap;
import javax.faces.context.FacesContext;
import javax.faces.application.Application;
import javax.faces.convert.FacesConverter;
/**
* <p>
* <code>ConfigAnnotationHandler</code> for {@link FacesConverter} annotated
* classes.
* </p>
*/
public class ConverterConfigHandler implements ConfigAnnotationHandler {
private static final Collection<Class<? extends Annotation>> HANDLES;
static {
Collection<Class<? extends Annotation>> handles =
new ArrayList<Class<? extends Annotation>>(1);
handles.add(FacesConverter.class);
HANDLES = Collections.unmodifiableCollection(handles);
}
private Map<Object,String> converters;
// ------------------------------------- Methods from ComponentConfigHandler
/**
* @see com.sun.faces.application.annotation.ConfigAnnotationHandler#getHandledAnnotations()
*/
public Collection<Class<? extends Annotation>> getHandledAnnotations() {
return HANDLES;
}
/**
* @see com.sun.faces.application.annotation.ConfigAnnotationHandler#collect(Class, java.lang.annotation.Annotation)
*/
public void collect(Class<?> target, Annotation annotation) {
if (converters == null) {
converters = new HashMap<Object,String>();
}
Object key = null;
FacesConverter converterAnnotation = (FacesConverter) annotation;
if (0 == converterAnnotation.value().length()) {
key = converterAnnotation.forClass();
} else {
key = converterAnnotation.value();
}
converters.put(key, target.getName());
}
/**
* @see com.sun.faces.application.annotation.ConfigAnnotationHandler#push(javax.faces.context.FacesContext)
*/
public void push(FacesContext ctx) {
if (converters != null) {
Application app = ctx.getApplication();
for (Map.Entry<Object, String> entry : converters.entrySet()) {
if (entry.getKey() instanceof Class) {
app.addConverter((Class) entry.getKey(), entry.getValue());
} else {
app.addConverter((String) entry.getKey(), entry.getValue());
}
}
}
}
}