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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* 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 java.lang.reflect.Field;
import java.lang.reflect.Method;
import jakarta.annotation.Resource;
import jakarta.annotation.Resources;
import jakarta.annotation.security.DeclareRoles;
import jakarta.annotation.security.RunAs;
import jakarta.servlet.ServletSecurityElement;
import jakarta.servlet.annotation.ServletSecurity;
import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.Wrapper;
import org.apache.catalina.core.ApplicationServletRegistration;
import org.apache.catalina.util.Introspection;
import org.apache.tomcat.util.descriptor.web.ContextEnvironment;
import org.apache.tomcat.util.descriptor.web.ContextResource;
import org.apache.tomcat.util.descriptor.web.ContextResourceEnvRef;
import org.apache.tomcat.util.descriptor.web.ContextService;
import org.apache.tomcat.util.descriptor.web.FilterDef;
import org.apache.tomcat.util.descriptor.web.MessageDestinationRef;
import org.apache.tomcat.util.res.StringManager;
/**
* AnnotationSet for processing the annotations of the web
* application classes (/WEB-INF/classes and
* /WEB-INF/lib).
*/
public class WebAnnotationSet {
private static final String SEPARATOR = "/";
private static final String MAPPED_NAME_PROPERTY = "mappedName";
/**
* The string resources for this package.
*/
protected static final StringManager sm = StringManager.getManager(Constants.Package);
// ---------------------------------------------------------- Public Methods
/**
* Process the annotations on a context.
*
* @param context The context which will have its annotations processed
*/
public static void loadApplicationAnnotations(Context context) {
loadApplicationListenerAnnotations(context);
loadApplicationFilterAnnotations(context);
loadApplicationServletAnnotations(context);
}
// ------------------------------------------------------- Protected Methods
/**
* Process the annotations for the listeners.
*
* @param context The context which will have its annotations processed
*/
protected static void loadApplicationListenerAnnotations(Context context) {
String[] applicationListeners = context.findApplicationListeners();
for (String className : applicationListeners) {
Class clazz = Introspection.loadClass(context, className);
if (clazz == null) {
continue;
}
loadClassAnnotation(context, clazz);
loadFieldsAnnotation(context, clazz);
loadMethodsAnnotation(context, clazz);
}
}
/**
* Process the annotations for the filters.
*
* @param context The context which will have its annotations processed
*/
protected static void loadApplicationFilterAnnotations(Context context) {
FilterDef[] filterDefs = context.findFilterDefs();
for (FilterDef filterDef : filterDefs) {
Class clazz = Introspection.loadClass(context, filterDef.getFilterClass());
if (clazz == null) {
continue;
}
loadClassAnnotation(context, clazz);
loadFieldsAnnotation(context, clazz);
loadMethodsAnnotation(context, clazz);
}
}
/**
* Process the annotations for the servlets.
*
* @param context The context which will have its annotations processed
*/
protected static void loadApplicationServletAnnotations(Context context) {
Container[] children = context.findChildren();
for (Container child : children) {
if (child instanceof Wrapper) {
Wrapper wrapper = (Wrapper) child;
if (wrapper.getServletClass() == null) {
continue;
}
Class clazz = Introspection.loadClass(context, wrapper.getServletClass());
if (clazz == null) {
continue;
}
loadClassAnnotation(context, clazz);
loadFieldsAnnotation(context, clazz);
loadMethodsAnnotation(context, clazz);
/* Process RunAs annotation which can be only on servlets.
* Ref JSR 250, equivalent to the run-as element in
* the deployment descriptor
*/
RunAs runAs = clazz.getAnnotation(RunAs.class);
if (runAs != null) {
wrapper.setRunAs(runAs.value());
}
// Process ServletSecurity annotation
ServletSecurity servletSecurity = clazz.getAnnotation(ServletSecurity.class);
if (servletSecurity != null) {
context.addServletSecurity(
new ApplicationServletRegistration(wrapper, context),
new ServletSecurityElement(servletSecurity));
}
}
}
}
/**
* Process the annotations on a context for a given className.
*
* @param context The context which will have its annotations processed
* @param clazz The class to examine for Servlet annotations
*/
protected static void loadClassAnnotation(Context context,
Class clazz) {
/* Process Resource annotation.
* Ref JSR 250
*/
Resource resourceAnnotation = clazz.getAnnotation(Resource.class);
if (resourceAnnotation != null) {
addResource(context, resourceAnnotation);
}
/* Process Resources annotation.
* Ref JSR 250
*/
Resources resourcesAnnotation = clazz.getAnnotation(Resources.class);
if (resourcesAnnotation != null && resourcesAnnotation.value() != null) {
for (Resource resource : resourcesAnnotation.value()) {
addResource(context, resource);
}
}
/* Process EJB annotation.
* Ref JSR 224, equivalent to the ejb-ref or ejb-local-ref
* element in the deployment descriptor.
{
EJB annotation = clazz.getAnnotation(EJB.class);
if (annotation != null) {
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
{
WebServiceRef annotation = clazz
.getAnnotation(WebServiceRef.class);
if (annotation != null) {
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
*/
DeclareRoles declareRolesAnnotation = clazz.getAnnotation(DeclareRoles.class);
if (declareRolesAnnotation != null && declareRolesAnnotation.value() != null) {
for (String role : declareRolesAnnotation.value()) {
context.addSecurityRole(role);
}
}
}
protected static void loadFieldsAnnotation(Context context, Class clazz) {
// Initialize the annotations
Field[] fields = Introspection.getDeclaredFields(clazz);
if (fields != null && fields.length > 0) {
for (Field field : fields) {
Resource annotation = field.getAnnotation(Resource.class);
if (annotation != null) {
String defaultName = clazz.getName() + SEPARATOR + field.getName();
Class defaultType = field.getType();
addResource(context, annotation, defaultName, defaultType);
}
}
}
}
protected static void loadMethodsAnnotation(Context context, Class clazz) {
// Initialize the annotations
Method[] methods = Introspection.getDeclaredMethods(clazz);
if (methods != null && methods.length > 0) {
for (Method method : methods) {
Resource annotation = method.getAnnotation(Resource.class);
if (annotation != null) {
if (!Introspection.isValidSetter(method)) {
throw new IllegalArgumentException(sm.getString(
"webAnnotationSet.invalidInjection"));
}
String defaultName = clazz.getName() + SEPARATOR +
Introspection.getPropertyName(method);
Class defaultType = (method.getParameterTypes()[0]);
addResource(context, annotation, defaultName, defaultType);
}
}
}
}
/**
* 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.
* @param context The context which will have its annotations processed
* @param annotation The annotation that was found
*/
protected static void addResource(Context context, Resource annotation) {
addResource(context, annotation, null, null);
}
protected static void addResource(Context context, Resource annotation, String defaultName,
Class defaultType) {
String name = getName(annotation, defaultName);
String type = getType(annotation, defaultType);
if (type.equals("java.lang.String") ||
type.equals("java.lang.Character") ||
type.equals("java.lang.Integer") ||
type.equals("java.lang.Boolean") ||
type.equals("java.lang.Double") ||
type.equals("java.lang.Byte") ||
type.equals("java.lang.Short") ||
type.equals("java.lang.Long") ||
type.equals("java.lang.Float")) {
// env-entry element
ContextEnvironment resource = new ContextEnvironment();
resource.setName(name);
resource.setType(type);
resource.setDescription(annotation.description());
resource.setProperty(MAPPED_NAME_PROPERTY, annotation.mappedName());
resource.setLookupName(annotation.lookup());
context.getNamingResources().addEnvironment(resource);
} else if (type.equals("javax.xml.rpc.Service")) {
// service-ref element
ContextService service = new ContextService();
service.setName(name);
service.setWsdlfile(annotation.mappedName());
service.setType(type);
service.setDescription(annotation.description());
service.setLookupName(annotation.lookup());
context.getNamingResources().addService(service);
} else if (type.equals("javax.sql.DataSource") ||
type.equals("javax.jms.ConnectionFactory") ||
type.equals("javax.jms.QueueConnectionFactory") ||
type.equals("javax.jms.TopicConnectionFactory") ||
type.equals("jakarta.mail.Session") ||
type.equals("java.net.URL") ||
type.equals("javax.resource.cci.ConnectionFactory") ||
type.equals("org.omg.CORBA_2_3.ORB") ||
type.endsWith("ConnectionFactory")) {
// resource-ref element
ContextResource resource = new ContextResource();
resource.setName(name);
resource.setType(type);
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(MAPPED_NAME_PROPERTY, annotation.mappedName());
resource.setDescription(annotation.description());
resource.setLookupName(annotation.lookup());
context.getNamingResources().addResource(resource);
} else if (type.equals("javax.jms.Queue") ||
type.equals("javax.jms.Topic")) {
// message-destination-ref
MessageDestinationRef resource = new MessageDestinationRef();
resource.setName(name);
resource.setType(type);
resource.setUsage(annotation.mappedName());
resource.setDescription(annotation.description());
resource.setLookupName(annotation.lookup());
context.getNamingResources().addMessageDestinationRef(resource);
} else {
/*
* General case. Also used for:
* - javax.resource.cci.InteractionSpec
* - jakarta.transaction.UserTransaction
*/
// resource-env-ref
ContextResourceEnvRef resource = new ContextResourceEnvRef();
resource.setName(name);
resource.setType(type);
resource.setProperty(MAPPED_NAME_PROPERTY, annotation.mappedName());
resource.setDescription(annotation.description());
resource.setLookupName(annotation.lookup());
context.getNamingResources().addResourceEnvRef(resource);
}
}
private static String getType(Resource annotation, Class defaultType) {
Class type = annotation.type();
if (type == null || type.equals(Object.class)) {
if (defaultType != null) {
type = defaultType;
}
}
return Introspection.convertPrimitiveType(type).getCanonicalName();
}
private static String getName(Resource annotation, String defaultName) {
String name = annotation.name();
if (name == null || name.equals("")) {
if (defaultName != null) {
name = defaultName;
}
}
return name;
}
}
