org.apache.catalina.startup.WebAnnotationSet Maven / Gradle / Ivy
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* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.catalina.startup;
import javax.annotation.Resource;
import javax.annotation.Resources;
import javax.annotation.security.DeclareRoles;
import javax.annotation.security.RunAs;
import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.core.StandardWrapper;
import org.apache.catalina.deploy.ContextEnvironment;
import org.apache.catalina.deploy.ContextResource;
import org.apache.catalina.deploy.ContextResourceEnvRef;
import org.apache.catalina.deploy.ContextService;
import org.apache.catalina.deploy.FilterDef;
import org.apache.catalina.deploy.MessageDestinationRef;
/**
* AnnotationSet for processing the annotations of the web application
* classes (/WEB-INF/classes and /WEB-INF/lib).
*
* @author Fabien Carrion
* @version $Id: WebAnnotationSet.java 939305 2010-04-29 13:43:39Z kkolinko $
*/
public class WebAnnotationSet {
// --------------------------------------------------------- Public Methods
/**
* Process the annotations on a context.
*/
public static void loadApplicationAnnotations(Context context) {
loadApplicationListenerAnnotations(context);
loadApplicationFilterAnnotations(context);
loadApplicationServletAnnotations(context);
}
// -------------------------------------------------------- protected Methods
/**
* Process the annotations for the listeners.
*/
protected static void loadApplicationListenerAnnotations(Context context) {
String[] applicationListeners = context.findApplicationListeners();
for (int i = 0; i < applicationListeners.length; i++) {
loadClassAnnotation(context, applicationListeners[i]);
}
}
/**
* Process the annotations for the filters.
*/
protected static void loadApplicationFilterAnnotations(Context context) {
FilterDef[] filterDefs = context.findFilterDefs();
for (int i = 0; i < filterDefs.length; i++) {
loadClassAnnotation(context, (filterDefs[i]).getFilterClass());
}
}
/**
* Process the annotations for the servlets.
*/
protected static void loadApplicationServletAnnotations(Context context) {
ClassLoader classLoader = context.getLoader().getClassLoader();
StandardWrapper wrapper = null;
Class classClass = null;
Container[] children = context.findChildren();
for (int i = 0; i < children.length; i++) {
if (children[i] instanceof StandardWrapper) {
wrapper = (StandardWrapper) children[i];
if (wrapper.getServletClass() == null) {
continue;
}
try {
classClass = classLoader.loadClass(wrapper.getServletClass());
} catch (ClassNotFoundException e) {
// We do nothing
} catch (NoClassDefFoundError e) {
// We do nothing
}
if (classClass == null) {
continue;
}
loadClassAnnotation(context, wrapper.getServletClass());
/* Process RunAs annotation which can be only on servlets.
* Ref JSR 250, equivalent to the run-as element in
* the deployment descriptor
*/
if (classClass.isAnnotationPresent(RunAs.class)) {
RunAs annotation = classClass.getAnnotation(RunAs.class);
wrapper.setRunAs(annotation.value());
}
}
}
}
/**
* Process the annotations on a context for a given className.
*/
protected static void loadClassAnnotation(Context context, String fileString) {
ClassLoader classLoader = context.getLoader().getClassLoader();
Class classClass = null;
try {
classClass = classLoader.loadClass(fileString);
} catch (ClassNotFoundException e) {
// We do nothing
} catch (NoClassDefFoundError e) {
// We do nothing
}
if (classClass == null) {
return;
}
// Initialize the annotations
if (classClass.isAnnotationPresent(Resource.class)) {
Resource annotation = classClass.getAnnotation(Resource.class);
addResource(context, annotation);
}
/* Process Resources annotation.
* Ref JSR 250
*/
if (classClass.isAnnotationPresent(Resources.class)) {
Resources annotation = classClass.getAnnotation(Resources.class);
for (int i = 0; annotation.value() != null && i < annotation.value().length; i++) {
addResource(context, annotation.value()[i]);
}
}
/* Process EJB annotation.
* Ref JSR 224, equivalent to the ejb-ref or ejb-local-ref
* element in the deployment descriptor.
if (classClass.isAnnotationPresent(EJB.class)) {
EJB annotation = (EJB)
classClass.getAnnotation(EJB.class);
if ((annotation.mappedName().length() == 0) ||
annotation.mappedName().equals("Local")) {
ContextLocalEjb ejb = new ContextLocalEjb();
ejb.setName(annotation.name());
ejb.setType(annotation.beanInterface().getCanonicalName());
ejb.setDescription(annotation.description());
ejb.setHome(annotation.beanName());
context.getNamingResources().addLocalEjb(ejb);
} else if (annotation.mappedName().equals("Remote")) {
ContextEjb ejb = new ContextEjb();
ejb.setName(annotation.name());
ejb.setType(annotation.beanInterface().getCanonicalName());
ejb.setDescription(annotation.description());
ejb.setHome(annotation.beanName());
context.getNamingResources().addEjb(ejb);
}
}
*/
/* Process WebServiceRef annotation.
* Ref JSR 224, equivalent to the service-ref element in
* the deployment descriptor.
* The service-ref registration is not implemented
if (classClass.isAnnotationPresent(WebServiceRef.class)) {
WebServiceRef annotation = (WebServiceRef)
classClass.getAnnotation(WebServiceRef.class);
ContextService service = new ContextService();
service.setName(annotation.name());
service.setWsdlfile(annotation.wsdlLocation());
service.setType(annotation.type().getCanonicalName());
if (annotation.value() == null)
service.setServiceinterface(annotation.type().getCanonicalName());
if (annotation.type().getCanonicalName().equals("Service"))
service.setServiceinterface(annotation.type().getCanonicalName());
if (annotation.value().getCanonicalName().equals("Endpoint"))
service.setServiceendpoint(annotation.type().getCanonicalName());
service.setPortlink(annotation.type().getCanonicalName());
context.getNamingResources().addService(service);
}
*/
/* Process DeclareRoles annotation.
* Ref JSR 250, equivalent to the security-role element in
* the deployment descriptor
*/
if (classClass.isAnnotationPresent(DeclareRoles.class)) {
DeclareRoles annotation =
classClass.getAnnotation(DeclareRoles.class);
for (int i = 0; annotation.value() != null && i < annotation.value().length; i++) {
context.addSecurityRole(annotation.value()[i]);
}
}
}
/**
* Process a Resource annotation to set up a Resource.
* Ref JSR 250, equivalent to the resource-ref,
* message-destination-ref, env-ref, resource-env-ref
* or service-ref element in the deployment descriptor.
*/
protected static void addResource(Context context, Resource annotation) {
if (annotation.type().getCanonicalName().equals("java.lang.String") ||
annotation.type().getCanonicalName().equals("java.lang.Character") ||
annotation.type().getCanonicalName().equals("java.lang.Integer") ||
annotation.type().getCanonicalName().equals("java.lang.Boolean") ||
annotation.type().getCanonicalName().equals("java.lang.Double") ||
annotation.type().getCanonicalName().equals("java.lang.Byte") ||
annotation.type().getCanonicalName().equals("java.lang.Short") ||
annotation.type().getCanonicalName().equals("java.lang.Long") ||
annotation.type().getCanonicalName().equals("java.lang.Float")) {
// env-ref element
ContextEnvironment resource = new ContextEnvironment();
resource.setName(annotation.name());
resource.setType(annotation.type().getCanonicalName());
resource.setDescription(annotation.description());
resource.setValue(annotation.mappedName());
context.getNamingResources().addEnvironment(resource);
} else if (annotation.type().getCanonicalName().equals("javax.xml.rpc.Service")) {
// service-ref element
ContextService service = new ContextService();
service.setName(annotation.name());
service.setWsdlfile(annotation.mappedName());
service.setType(annotation.type().getCanonicalName());
service.setDescription(annotation.description());
context.getNamingResources().addService(service);
} else if (annotation.type().getCanonicalName().equals("javax.sql.DataSource") ||
annotation.type().getCanonicalName().equals("javax.jms.ConnectionFactory") ||
annotation.type().getCanonicalName()
.equals("javax.jms.QueueConnectionFactory") ||
annotation.type().getCanonicalName()
.equals("javax.jms.TopicConnectionFactory") ||
annotation.type().getCanonicalName().equals("javax.mail.Session") ||
annotation.type().getCanonicalName().equals("java.net.URL") ||
annotation.type().getCanonicalName()
.equals("javax.resource.cci.ConnectionFactory") ||
annotation.type().getCanonicalName().equals("org.omg.CORBA_2_3.ORB") ||
annotation.type().getCanonicalName().endsWith("ConnectionFactory")) {
// resource-ref element
ContextResource resource = new ContextResource();
resource.setName(annotation.name());
resource.setType(annotation.type().getCanonicalName());
if (annotation.authenticationType()
== Resource.AuthenticationType.CONTAINER) {
resource.setAuth("Container");
}
else if (annotation.authenticationType()
== Resource.AuthenticationType.APPLICATION) {
resource.setAuth("Application");
}
resource.setScope(annotation.shareable() ? "Shareable" : "Unshareable");
resource.setProperty("mappedName", annotation.mappedName());
resource.setDescription(annotation.description());
context.getNamingResources().addResource(resource);
} else if (annotation.type().getCanonicalName().equals("javax.jms.Queue") ||
annotation.type().getCanonicalName().equals("javax.jms.Topic")) {
// message-destination-ref
MessageDestinationRef resource = new MessageDestinationRef();
resource.setName(annotation.name());
resource.setType(annotation.type().getCanonicalName());
resource.setUsage(annotation.mappedName());
resource.setDescription(annotation.description());
context.getNamingResources().addMessageDestinationRef(resource);
} else if (annotation.type().getCanonicalName()
.equals("javax.resource.cci.InteractionSpec") ||
annotation.type().getCanonicalName()
.equals("javax.transaction.UserTransaction") ||
true) {
// resource-env-ref
ContextResourceEnvRef resource = new ContextResourceEnvRef();
resource.setName(annotation.name());
resource.setType(annotation.type().getCanonicalName());
resource.setProperty("mappedName", annotation.mappedName());
resource.setDescription(annotation.description());
context.getNamingResources().addResourceEnvRef(resource);
}
}
}