com.manorrock.oyena.lifecycle.rest.DefaultRestMappingMatcher Maven / Gradle / Ivy
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package com.manorrock.oyena.lifecycle.rest;
import jakarta.enterprise.context.ApplicationScoped;
import jakarta.enterprise.inject.Any;
import jakarta.enterprise.inject.spi.AnnotatedMethod;
import jakarta.enterprise.inject.spi.AnnotatedType;
import jakarta.enterprise.inject.spi.Bean;
import jakarta.enterprise.inject.spi.CDI;
import jakarta.faces.context.FacesContext;
import java.util.Iterator;
import java.util.Set;
import java.util.regex.Pattern;
/**
* The default REST mapping matcher.
*
* @author Manfred Riem ([email protected])
*/
@ApplicationScoped
public class DefaultRestMappingMatcher implements RestMappingMatcher {
/**
* Find the REST mapping for the given bean.
*
* @param facesContext the Faces context.
* @param bean the bean.
* @return the REST mapping match, or null if not found.
*/
private RestMappingMatch determineRestMappingMatch(FacesContext facesContext, Bean bean) {
RestMappingMatch result = null;
Class clazz = bean.getBeanClass();
AnnotatedType annotatedType = CDI.current().getBeanManager().createAnnotatedType(clazz);
Set annotatedMethodSet = annotatedType.getMethods();
for (AnnotatedMethod method : annotatedMethodSet) {
if (method.isAnnotationPresent(RestPath.class)) {
RestPath restPath = method.getAnnotation(RestPath.class);
String path = restPath.value();
String pathInfo = facesContext.getExternalContext().getRequestPathInfo();
if (Pattern.matches(path, pathInfo)) {
result = new RestMappingMatch();
result.setBean(bean);
result.setMethod(method.getJavaMember());
result.setPathInfo(pathInfo);
result.setRestPath(path);
}
}
}
return result;
}
/**
* Get the beans.
*
* @return the beans.
*/
private Iterator> getBeans() {
Set> beans = CDI.current().getBeanManager().getBeans(
Object.class, Any.Literal.INSTANCE);
return beans.iterator();
}
/**
* Match the request to a REST mapping.
*
* @param facesContext the Faces context.
* @return the REST mapping match.
*/
@Override
public RestMappingMatch match(FacesContext facesContext) {
RestMappingMatch match = null;
Iterator> beans = getBeans();
while (beans.hasNext()) {
Bean bean = beans.next();
RestMappingMatch candidate = determineRestMappingMatch(facesContext, bean);
if (match == null || (candidate != null && candidate.getLength() > match.getLength())) {
match = candidate;
}
}
return match;
}
}