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package com.sun.faces.application.annotation;
import java.lang.reflect.Field;
import java.lang.reflect.Method;
import javax.faces.context.FacesContext;
import javax.persistence.PersistenceContext;
/**
* {@link RuntimeAnnotationHandler} responsible for processing annotations.
*/
class PersistenceContextHandler extends JndiHandler implements RuntimeAnnotationHandler {
private Method[] methods;
private PersistenceContext[] methodAnnotations;
private Field[] fields;
private PersistenceContext[] fieldAnnotations;
public PersistenceContextHandler(
Method[] methods, PersistenceContext[] methodAnnotations,
Field[] fields, PersistenceContext[] fieldAnnotations) {
this.methods = methods;
this.methodAnnotations = methodAnnotations;
this.fields = fields;
this.fieldAnnotations = fieldAnnotations;
}
@SuppressWarnings({"UnusedDeclaration"})
@Override
public void apply(FacesContext ctx, Object... params) {
Object object = params[0];
for (int i = 0; i < fields.length; i++) {
applyToField(ctx, fields[i], fieldAnnotations[i], object);
}
for (int i = 0; i < methods.length; i++) {
applyToMethod(ctx, methods[i], methodAnnotations[i], object);
}
}
private void applyToMethod(FacesContext facesContext, Method method, PersistenceContext unit, Object instance) {
if (method.getName().startsWith("set")) {
Object value = null;
if (unit.name() != null && !"".equals(unit.name().trim())) {
value = lookup(facesContext, JAVA_COMP_ENV + unit.name());
}
invokeMethod(facesContext, method, instance, value);
}
}
private void applyToField(FacesContext facesContext, Field field, PersistenceContext unit, Object instance) {
Object value;
if (unit.name() != null && !"".equals(unit.name().trim())) {
value = lookup(facesContext, JAVA_COMP_ENV + unit.name());
} else {
value = lookup(facesContext, field.getType().getSimpleName());
}
setField(facesContext, field, instance, value);
}
}