/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.deployment.annotation.handlers;
import java.lang.annotation.Annotation;
import java.lang.annotation.ElementType;
import java.lang.reflect.AnnotatedElement;
import java.lang.reflect.Method;
import java.lang.NoSuchMethodException;
import java.util.logging.Level;
import javax.ejb.Init;
import com.sun.enterprise.deployment.EjbDescriptor;
import com.sun.enterprise.deployment.EjbInitInfo;
import com.sun.enterprise.deployment.EjbSessionDescriptor;
import com.sun.enterprise.deployment.MethodDescriptor;
import com.sun.enterprise.util.TypeUtil;
import com.sun.enterprise.deployment.annotation.AnnotationInfo;
import com.sun.enterprise.deployment.annotation.AnnotationProcessorException;
import com.sun.enterprise.deployment.annotation.HandlerProcessingResult;
import com.sun.enterprise.deployment.annotation.context.EjbContext;
/**
* This handler is responsible for handling the javax.ejb.Init attribute
*
*/
public class InitHandler extends AbstractAttributeHandler {
public InitHandler() {
}
/**
* @return the annoation type this annotation handler is handling
*/
public Class<? extends Annotation> getAnnotationType() {
return Init.class;
}
protected HandlerProcessingResult processAnnotation(AnnotationInfo ainfo,
EjbContext[] ejbContexts) throws AnnotationProcessorException {
Init init = (Init) ainfo.getAnnotation();
for(EjbContext next : ejbContexts) {
EjbSessionDescriptor sessionDescriptor =
(EjbSessionDescriptor) next.getDescriptor();
Method m = (Method) ainfo.getAnnotatedElement();
// Check for matching method on home and/or local home interface.
int numMatches = 0;
String adaptedCreateMethodName = init.value();
try {
if( sessionDescriptor.isRemoteInterfacesSupported() ) {
addInitMethod(sessionDescriptor, m,
adaptedCreateMethodName, false);
numMatches++;
}
} catch(Exception e) {
}
try {
if( sessionDescriptor.isLocalInterfacesSupported() ) {
addInitMethod(sessionDescriptor, m,
adaptedCreateMethodName, true);
numMatches++;
}
} catch(Exception e) {
}
if( numMatches == 0 ) {
log(Level.SEVERE, ainfo,
localStrings.getLocalString(
"enterprise.deployment.annotation.handlers.notmatchcreate",
"Unable to find matching Home create method for Init method {0} on bean {1}.",
new Object[] { m, sessionDescriptor.getName() }));
return getDefaultFailedResult();
}
}
return getDefaultProcessedResult();
}
private void addInitMethod(EjbSessionDescriptor descriptor,
Method beanMethod,
String adaptedCreateMethodName, boolean local)
throws Exception {
String homeIntfName = local ? descriptor.getLocalHomeClassName() :
descriptor.getHomeClassName();
ClassLoader cl = descriptor.getEjbBundleDescriptor().getClassLoader();
Class homeIntf = cl.loadClass(homeIntfName);
Method createMethod = null;
if( (adaptedCreateMethodName == null) ||
(adaptedCreateMethodName.equals("")) ) {
// Can't make any assumptions about matching method name. Could
// be "create" or some form of create<METHOD>, so match based on
// signature.
for(Method next : homeIntf.getMethods()) {
if( next.getName().startsWith("create") &&
TypeUtil.sameParamTypes(next, beanMethod) ) {
createMethod = next;
break;
}
}
if( createMethod == null ) {
throw new NoSuchMethodException("No matching adapted home " +
"method found for @Init " +
" method " + beanMethod);
}
} else {
createMethod = homeIntf.getMethod(adaptedCreateMethodName,
beanMethod.getParameterTypes());
}
MethodDescriptor beanMethodDescriptor =
new MethodDescriptor(beanMethod, MethodDescriptor.EJB_BEAN);
MethodDescriptor createMethodDescriptor =
new MethodDescriptor(createMethod,
( local ?
MethodDescriptor.EJB_HOME :
MethodDescriptor.EJB_LOCALHOME ));
EjbInitInfo initInfo = new EjbInitInfo();
initInfo.setBeanMethod(beanMethodDescriptor);
initInfo.setCreateMethod(createMethodDescriptor);
descriptor.addInitMethod(initInfo);
}
/**
* @return an array of annotation types this annotation handler would
* require to be processed (if present) before it processes it's own
* annotation type.
*/
public Class<? extends Annotation>[] getTypeDependencies() {
return getEjbAnnotationTypes();
}
}