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package org.glassfish.jdbcruntime.deployment.annotation.handlers;
import com.sun.enterprise.deployment.annotation.handlers.AbstractResourceHandler;
import org.glassfish.apf.AnnotationHandlerFor;
import org.glassfish.deployment.common.RootDeploymentDescriptor;
import org.jvnet.hk2.annotations.Service;
import org.glassfish.apf.HandlerProcessingResult;
import org.glassfish.apf.AnnotationInfo;
import org.glassfish.apf.AnnotationProcessorException;
import javax.annotation.sql.DataSourceDefinition;
import javax.interceptor.Interceptors;
import javax.interceptor.Interceptor;
import javax.interceptor.AroundInvoke;
import javax.interceptor.AroundTimeout;
import java.lang.annotation.Annotation;
import java.lang.reflect.Method;
import java.util.*;
import java.util.logging.Level;
import com.sun.enterprise.deployment.annotation.context.*;
import com.sun.enterprise.deployment.*;
/**
* @author Jagadish Ramu
*/
@Service
@AnnotationHandlerFor(DataSourceDefinition.class)
public class DataSourceDefinitionHandler extends AbstractResourceHandler {
public DataSourceDefinitionHandler() {
}
protected HandlerProcessingResult processAnnotation(AnnotationInfo ainfo, ResourceContainerContext[] rcContexts)
throws AnnotationProcessorException {
DataSourceDefinition dataSourceDefnAn =
(DataSourceDefinition)ainfo.getAnnotation();
return processAnnotation(dataSourceDefnAn, ainfo, rcContexts);
}
protected HandlerProcessingResult processAnnotation(DataSourceDefinition dataSourceDefnAn, AnnotationInfo aiInfo,
ResourceContainerContext[] rcContexts)
throws AnnotationProcessorException {
Class annotatedClass = (Class)aiInfo.getAnnotatedElement();
Annotation[] annotations = annotatedClass.getAnnotations();
boolean warClass = isAWebComponentClass(annotations);
boolean ejbClass = isAEjbComponentClass(annotations);
for(ResourceContainerContext context : rcContexts){
if (!canProcessAnnotation(annotatedClass, ejbClass, warClass, context)){
return getDefaultProcessedResult();
}
Set<DataSourceDefinitionDescriptor> dsdDescs = context.getDataSourceDefinitionDescriptors();
DataSourceDefinitionDescriptor desc = createDescriptor(dataSourceDefnAn);
if(isDefinitionAlreadyPresent(dsdDescs, desc)){
merge(dsdDescs, dataSourceDefnAn);
}else{
dsdDescs.add(desc);
}
}
return getDefaultProcessedResult();
}
/**
* To take care of the case where an ejb is provided in a .war and
* annotation processor will process this class twice (once for ejb and
* once for web-bundle-context, which is a bug).<br>
* This method helps to overcome the issue, partially.<br>
* Checks whether both the annotated class and the context are either ejb or web.
*
* @param annotatedClass annotated-class
* @param ejbClass indicates whether the class is an ejb-class
* @param warClass indicates whether the class is an web-class
* @param context resource-container-context
* @return boolean indicates whether the annotation can be processed.
*/
private boolean canProcessAnnotation(Class annotatedClass, boolean ejbClass, boolean warClass,
ResourceContainerContext context) {
if (ejbClass) {
if (!(context instanceof EjbBundleContext ||
context instanceof EjbContext ||
context instanceof EjbInterceptorContext
)) {
if (logger.isLoggable(Level.FINEST)) {
logger.log(Level.FINEST, "Ignoring @DataSourceDefinition annotation processing as the class is" +
"an EJB class and context is not one of EJBContext");
}
return false;
}
} else if (context instanceof EjbBundleContext) {
EjbBundleContext ejbContext = (EjbBundleContext) context;
EjbBundleDescriptor ejbBundleDescriptor = ejbContext.getDescriptor();
EjbDescriptor[] ejbDescriptor = ejbBundleDescriptor.getEjbByClassName(annotatedClass.getName());
if (ejbDescriptor == null || ejbDescriptor.length == 0) {
if (logger.isLoggable(Level.FINEST)) {
logger.log(Level.FINEST, "Ignoring @DataSourceDefinition annotation processing as the class " +
"[ " + annotatedClass + " ] is" +
"not an EJB class and the context is EJBContext");
}
return false;
}
} else if (warClass) {
if (!(context instanceof WebBundleContext || context instanceof WebComponentsContext
|| context instanceof WebComponentContext )) {
if (logger.isLoggable(Level.FINEST)) {
logger.log(Level.FINEST, "Ignoring @DataSourceDefinition annotation processing as the class is" +
"an Web class and context is not one of WebContext");
}
return false;
}
} else if (context instanceof WebBundleContext) {
WebBundleContext webBundleContext = (WebBundleContext) context;
WebBundleDescriptor webBundleDescriptor = webBundleContext.getDescriptor();
Collection<RootDeploymentDescriptor> extDesc = webBundleDescriptor.getExtensionsDescriptors();
for(RootDeploymentDescriptor desc : extDesc){
if(desc instanceof EjbBundleDescriptor){
EjbBundleDescriptor ejbBundleDesc = (EjbBundleDescriptor)desc;
EjbDescriptor[] ejbDescs = ejbBundleDesc.getEjbByClassName(annotatedClass.getName());
if(ejbDescs != null && ejbDescs.length > 0){
if (logger.isLoggable(Level.FINEST)) {
logger.log(Level.FINEST, "Ignoring @DataSourceDefinition annotation processing as the class " +
"[ " + annotatedClass + " ] is" +
"not an Web class and the context is WebContext");
}
return false;
}else if(ejbBundleDesc.getInterceptorByClassName(annotatedClass.getName()) != null){
if (logger.isLoggable(Level.FINEST)) {
logger.log(Level.FINEST, "Ignoring @DataSourceDefinition annotation processing " +
"as the class " +
"[ " + annotatedClass + " ] is" +
"not an Web class and the context is WebContext");
}
return false;
}else{
Method[] methods = annotatedClass.getDeclaredMethods();
for(Method method : methods){
Annotation annotations[] = method.getAnnotations();
for(Annotation annotation : annotations){
if(annotation.annotationType().equals(AroundInvoke.class) ||
annotation.annotationType().equals(AroundTimeout.class) ||
annotation.annotationType().equals(Interceptors.class)) {
if (logger.isLoggable(Level.FINEST)) {
logger.log(Level.FINEST, "Ignoring @DataSourceDefinition annotation processing " +
"as the class " +
"[ " + annotatedClass + " ] is" +
"not an Web class, an interceptor and the context is WebContext");
}
return false;
}
}
}
}
}
}
}
return true;
}
private boolean isDefinitionAlreadyPresent(Set<DataSourceDefinitionDescriptor> dsdDescs,
DataSourceDefinitionDescriptor desc) {
boolean result = false ;
for(DataSourceDefinitionDescriptor dsdDesc : dsdDescs){
if(dsdDesc.equals(desc)){
result = true;
break;
}
}
return result;
}
public Class<? extends Annotation>[] getTypeDependencies() {
Class<? extends Annotation> [] annotations = getEjbAndWebAnnotationTypes();
List<Class <? extends Annotation>> annotationsList = new ArrayList<Class <? extends Annotation>>();
for(Class<? extends Annotation> annotation : annotations){
annotationsList.add(annotation);
}
annotationsList.add(Interceptors.class);
annotationsList.add(Interceptor.class);
annotationsList.add(AroundInvoke.class);
annotationsList.add(AroundTimeout.class);
Class<? extends Annotation>[] result = new Class[annotationsList.size()];
return annotationsList.toArray(result);
}
private void merge(Set<DataSourceDefinitionDescriptor> dsdDescs, DataSourceDefinition defn) {
for (DataSourceDefinitionDescriptor desc : dsdDescs) {
if (desc.getName().equals(defn.name())) {
if (desc.getClassName() == null) {
desc.setClassName(defn.className());
}
if (desc.getDescription() == null) {
if (defn.description() != null && !defn.description().equals("")) {
desc.setDescription(defn.description());
}
}
// When either URL or Standard properties are specified in DD, annotation values
// (of URL or standard properties) are ignored.
// DD values will win as either of URL or standard properties will be present most of the times.
// Only when neither URL nor standard properties are not present, annotation values are considered.
// In such case, standard properties take precedence over URL.
//try only when URL is not set
if (!desc.isServerNameSet() && desc.getUrl() == null) {
//localhost is the default value (even in the descriptor)
if (defn.serverName() != null && !defn.serverName().equals("localhost")) {
desc.setServerName(defn.serverName());
}
}
//try only when URL is not set
if (desc.getPortNumber() == -1 && desc.getUrl() == null) {
if (defn.portNumber() != -1) {
desc.setPortNumber(defn.portNumber());
}
}
//try only when URL is not set
if (desc.getDatabaseName() == null && desc.getUrl() == null) {
if (defn.databaseName() != null && !defn.databaseName().equals("")) {
desc.setDatabaseName(defn.databaseName());
}
}
//try only when URL or standard properties are not set
if (desc.getUrl() == null &&
!(desc.getPortNumber() != -1 && desc.getServerName() != null &&
(desc.getDatabaseName() != null))) {
if (defn.url() != null && !defn.url().equals("")) {
desc.setUrl(defn.url());
}
}
if (desc.getUser() == null) {
if (defn.user() != null && !defn.user().equals("")) {
desc.setUser(defn.user());
}
}
if (desc.getPassword() == null) {
if (defn.password() != null /*ALLOW EMPTY PASSWORDS && !defn.password().equals("")*/) {
desc.setPassword(defn.password());
}
}
if (desc.getIsolationLevel() == -1) {
if (defn.isolationLevel() != -1) {
desc.setIsolationLevel(String.valueOf(defn.isolationLevel()));
}
}
if (!desc.isTransactionSet()) {
if (defn.transactional()) {
desc.setTransactional(true);
} else {
desc.setTransactional(false);
}
}
if (desc.getMinPoolSize() == -1) {
if (defn.minPoolSize() != -1) {
desc.setMinPoolSize(defn.minPoolSize());
}
}
if (desc.getMaxPoolSize() == -1) {
if (defn.maxPoolSize() != -1) {
desc.setMaxPoolSize(defn.maxPoolSize());
}
}
if (desc.getInitialPoolSize() == -1) {
if (defn.initialPoolSize() != -1) {
desc.setInitialPoolSize(defn.initialPoolSize());
}
}
if (desc.getMaxIdleTime() == -1) {
if (defn.maxIdleTime() != -1) {
desc.setMaxIdleTime(String.valueOf(defn.maxIdleTime()));
}
}
if (desc.getMaxStatements() == -1) {
if (defn.maxStatements() != -1) {
desc.setMaxStatements(defn.maxStatements());
}
}
if (!desc.isLoginTimeoutSet()) {
if (defn.loginTimeout() != 0) {
desc.setLoginTimeout(String.valueOf(defn.loginTimeout()));
}
}
Properties properties = desc.getProperties();
String[] defnProperties = defn.properties();
if (defnProperties.length > 0) {
for (String property : defnProperties) {
int index = property.indexOf("=");
// found "=" and not at start or end of string
if (index > -1 && index != 0 && index < property.length() - 1) {
String name = property.substring(0, index);
String value = property.substring(index + 1);
//add to properties only when not already present
if (properties.get(name) == null) {
properties.put(name, value);
}
}
}
}
break;
}
}
}
private DataSourceDefinitionDescriptor createDescriptor(DataSourceDefinition defn) {
DataSourceDefinitionDescriptor desc = new DataSourceDefinitionDescriptor();
desc.setMetadataSource(MetadataSource.ANNOTATION);
desc.setName(defn.name());
desc.setClassName(defn.className());
if (defn.description() != null && !defn.description().equals("")) {
desc.setDescription(defn.description());
}
if (defn.serverName() != null && !defn.serverName().equals("localhost")) {
desc.setServerName(defn.serverName());
}
if (defn.portNumber() != -1) {
desc.setPortNumber(defn.portNumber());
}
if (defn.databaseName() != null && !defn.databaseName().equals("")) {
desc.setDatabaseName(defn.databaseName());
}
if ((desc.getPortNumber() != -1 && desc.getDatabaseName() != null && desc.getServerName() != null)) {
//standard properties are set, ignore URL
} else {
if (defn.url() != null && !defn.url().equals("")) {
desc.setUrl(defn.url());
}
}
if (defn.user() != null && !defn.user().equals("")) {
desc.setUser(defn.user());
}
if (defn.password() != null /*ALLOW EMPTY PASSWORDS && !defn.password().equals("")*/) {
desc.setPassword(defn.password());
}
if (defn.isolationLevel() != -1) {
desc.setIsolationLevel(String.valueOf(defn.isolationLevel()));
}
if (defn.transactional()) {
desc.setTransactional(true);
} else {
desc.setTransactional(false);
}
if (defn.minPoolSize() != -1) {
desc.setMinPoolSize(defn.minPoolSize());
}
if (defn.maxPoolSize() != -1) {
desc.setMaxPoolSize(defn.maxPoolSize());
}
if (defn.initialPoolSize() != -1) {
desc.setInitialPoolSize(defn.initialPoolSize());
}
if (defn.maxIdleTime() != -1) {
desc.setMaxIdleTime(String.valueOf(defn.maxIdleTime()));
}
if (defn.maxStatements() != -1) {
desc.setMaxStatements(defn.maxStatements());
}
if (defn.loginTimeout() != 0) {
desc.setLoginTimeout(String.valueOf(defn.loginTimeout()));
}
if (defn.properties() != null) {
Properties properties = desc.getProperties();
String[] defnProperties = defn.properties();
if (defnProperties.length > 0) {
for (String property : defnProperties) {
int index = property.indexOf("=");
// found "=" and not at start or end of string
if (index > -1 && index != 0 && index < property.length() - 1) {
String name = property.substring(0, index);
String value = property.substring(index + 1);
properties.put(name, value);
}
}
}
}
return desc;
}
}