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authorrfeng <rfeng@13f79535-47bb-0310-9956-ffa450edef68>2011-03-21 20:28:43 +0000
committerrfeng <rfeng@13f79535-47bb-0310-9956-ffa450edef68>2011-03-21 20:28:43 +0000
commit5c75abe35ac59737e6db3855ac078c3c0f4107ad (patch)
tree73b4c6a27ffbbc6c097ba4b685a66179e8db9176 /sca-java-2.x/trunk/modules
parent9c0ddd288b4a9cf8bbb6dcdfc708967039d5ad7e (diff)
Expose Node to the servlet
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@1083943 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'sca-java-2.x/trunk/modules')
-rw-r--r--sca-java-2.x/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServlet.java12
-rw-r--r--sca-java-2.x/trunk/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/spring/TuscanyDispatcherServlet.java10
-rw-r--r--sca-java-2.x/trunk/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java272
3 files changed, 161 insertions, 133 deletions
diff --git a/sca-java-2.x/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServlet.java b/sca-java-2.x/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServlet.java
index d20019372e..6da546d11a 100644
--- a/sca-java-2.x/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServlet.java
+++ b/sca-java-2.x/trunk/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/TuscanyServlet.java
@@ -26,6 +26,8 @@ import javax.servlet.ServletConfig;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
+import org.apache.tuscany.sca.node.Node;
+
/**
* A Servlet that provides a hook to control the lifecycle of Tuscany node
@@ -37,6 +39,7 @@ public class TuscanyServlet extends HttpServlet {
private Logger logger = Logger.getLogger(TuscanyServlet.class.getName());
private transient WebContextConfigurator configurator;
+ private transient Node node;
public TuscanyServlet() {
super();
@@ -47,7 +50,7 @@ public class TuscanyServlet extends HttpServlet {
try {
super.init(config);
configurator = WebAppHelper.getConfigurator(this);
- WebAppHelper.init(configurator);
+ node = WebAppHelper.init(configurator);
} catch (Throwable e) {
logger.log(Level.SEVERE, e.getMessage(), e);
configurator.getServletContext().log(e.getMessage(), e);
@@ -57,6 +60,13 @@ public class TuscanyServlet extends HttpServlet {
public void destroy() {
WebAppHelper.stop(configurator);
+ node = null;
+ configurator = null;
+ super.destroy();
+ }
+
+ public Node getNode() {
+ return node;
}
}
diff --git a/sca-java-2.x/trunk/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/spring/TuscanyDispatcherServlet.java b/sca-java-2.x/trunk/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/spring/TuscanyDispatcherServlet.java
index e15840f613..9976ab0100 100644
--- a/sca-java-2.x/trunk/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/spring/TuscanyDispatcherServlet.java
+++ b/sca-java-2.x/trunk/modules/implementation-spring-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/spring/TuscanyDispatcherServlet.java
@@ -27,6 +27,7 @@ import javax.servlet.ServletException;
import org.apache.tuscany.sca.host.webapp.WebAppHelper;
import org.apache.tuscany.sca.host.webapp.WebContextConfigurator;
+import org.apache.tuscany.sca.node.Node;
import org.springframework.web.servlet.DispatcherServlet;
/**
@@ -39,6 +40,7 @@ public class TuscanyDispatcherServlet extends DispatcherServlet {
private Logger logger = Logger.getLogger(TuscanyDispatcherServlet.class.getName());
private transient WebContextConfigurator configurator;
+ private transient Node node;
public TuscanyDispatcherServlet() {
super();
@@ -49,7 +51,7 @@ public class TuscanyDispatcherServlet extends DispatcherServlet {
try {
super.init(config);
configurator = WebAppHelper.getConfigurator(this);
- WebAppHelper.init(configurator);
+ node = WebAppHelper.init(configurator);
} catch (Throwable e) {
logger.log(Level.SEVERE, e.getMessage(), e);
configurator.getServletContext().log(e.getMessage(), e);
@@ -59,7 +61,13 @@ public class TuscanyDispatcherServlet extends DispatcherServlet {
public void destroy() {
WebAppHelper.stop(configurator);
+ node = null;
+ configurator = null;
super.destroy();
}
+ public Node getNode() {
+ return node;
+ }
+
}
diff --git a/sca-java-2.x/trunk/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java b/sca-java-2.x/trunk/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java
index 2a90886394..8c58ef0cf9 100644
--- a/sca-java-2.x/trunk/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java
+++ b/sca-java-2.x/trunk/modules/implementation-spring/src/main/java/org/apache/tuscany/sca/implementation/spring/introspect/SpringXMLComponentTypeLoader.java
@@ -101,7 +101,7 @@ public class SpringXMLComponentTypeLoader {
private SpringBeanIntrospector beanIntrospector;
private SpringXMLBeanDefinitionLoader xmlBeanDefinitionLoader;
-
+
private JavaIntrospectionHelper javaIntrospectionHelper;
public SpringXMLComponentTypeLoader(ExtensionPointRegistry registry) {
@@ -136,6 +136,7 @@ public class SpringXMLComponentTypeLoader {
monitor.problem(problem);
}
}
+
/**
* Report a error.
*
@@ -155,6 +156,7 @@ public class SpringXMLComponentTypeLoader {
monitor.problem(problem);
}
}
+
protected Class<SpringImplementation> getImplementationClass() {
return SpringImplementation.class;
}
@@ -226,11 +228,11 @@ public class SpringXMLComponentTypeLoader {
if (xmlBeanDefinitionLoader != null) {
xmlBeanDefinitionLoader.load(contextResources,
- appCxtServices,
- appCxtReferences,
- appCxtProperties,
- appCxtBeans,
- context);
+ appCxtServices,
+ appCxtReferences,
+ appCxtProperties,
+ appCxtBeans,
+ context);
populatePolicies(appCxtServices, appCxtReferences);
}
// Validate the beans from individual application context for uniqueness
@@ -266,7 +268,7 @@ public class SpringXMLComponentTypeLoader {
e.getPolicySets().add(ps);
}
}
-
+
for (SpringSCAServiceElement e : appCxtServices) {
for (QName qn : e.getIntentNames()) {
Intent intent = policyFactory.createIntent();
@@ -352,7 +354,7 @@ public class SpringXMLComponentTypeLoader {
} else {
interfaze = getBeanInterface(resolver, serviceElement.getTarget(), beans, context);
}
-
+
Service theService = createService(interfaze, serviceElement.getName());
// Spring allows duplication of bean definitions in multiple context scenario,
// in such cases, the latest bean definition overrides the older ones, hence
@@ -381,7 +383,7 @@ public class SpringXMLComponentTypeLoader {
}
}
} // end for
-
+
if (!found) {
// REVIEW: Adding a SpringBeanElement "proxy" so that the bean id can be used at runtime to look
// up the bean instance from the parent context
@@ -480,118 +482,123 @@ public class SpringXMLComponentTypeLoader {
} // end while
} // end if
- itb = beans.iterator();
- while (itb.hasNext()) {
- SpringBeanElement beanElement = itb.next();
-
- // If its not a valid bean for service, ignore it
- if (!isValidBeanForService(beanElement)) {
- continue;
- }
- // Ignore if the bean has no properties and constructor arguments
- if (beanElement.getProperties().isEmpty() && beanElement.getCustructorArgs().isEmpty())
- continue;
+ // [rfeng] We only try to implicitly map Spring beans if no sca:reference or sca:property is present
+ if (references.isEmpty() && scaproperties.isEmpty()) {
+ itb = beans.iterator();
+ while (itb.hasNext()) {
+ SpringBeanElement beanElement = itb.next();
- ComponentType beanComponentType = assemblyFactory.createComponentType();
+ // If its not a valid bean for service, ignore it
+ if (!isValidBeanForService(beanElement)) {
+ continue;
+ }
+ // Ignore if the bean has no properties and constructor arguments
+ if (beanElement.getProperties().isEmpty() && beanElement.getCustructorArgs().isEmpty())
+ continue;
- try {
- Class<?> beanClass = resolveClass(resolver, beanElement.getClassName(), context);
- // Introspect the bean
- beanIntrospector = new SpringBeanIntrospector(registry, beanElement.getCustructorArgs());
- javaImplementation = beanIntrospector.introspectBean(beanClass, beanComponentType);
- } catch (Exception e) {
- // [rfeng] FIXME: Some Spring beans have constructors that take pararemters injected by Spring and
- // Tuscany is not happy with that during the introspection
- log.log(Level.SEVERE, e.getMessage(), e);
- continue;
- }
- Map<String, JavaElementImpl> propertyMap = javaImplementation.getPropertyMembers();
- JavaConstructorImpl constructor = javaImplementation.getConstructor();
- // Get the references by this Spring Bean and add the unresolved ones to
- // the component type of the Spring Assembly
- List<Reference> beanReferences = beanComponentType.getReferences();
- List<Property> beanProperties = beanComponentType.getProperties();
-
- Set<String> excludedNames = new HashSet<String>();
- Iterator<SpringPropertyElement> itp = beanElement.getProperties().iterator();
- while (itp.hasNext()) {
- SpringPropertyElement propertyElement = itp.next();
- // Exclude the reference that is also known as a spring property
- excludedNames.add(propertyElement.getName());
- for (String propertyRef : propertyElement.getRefs()) {
- if (propertyRefUnresolved(propertyRef, beans, references, scaproperties)) {
- // This means an unresolved reference from the spring bean...
- for (Reference reference : beanReferences) {
- if (propertyElement.getName().equals(reference.getName())) {
- // The name of the reference in this case is the string in
- // the @ref attribute of the Spring property element, NOT the
- // name of the field in the Spring bean....
- reference.setName(propertyRef);
- componentType.getReferences().add(reference);
- break;
- } // end if
- } // end for
-
- // Store the unresolved references as unresolvedBeanRef in the Spring Implementation type
- for (Property scaproperty : beanProperties) {
- if (propertyElement.getName().equals(scaproperty.getName())) {
- // The name of the reference in this case is the string in
- // the @ref attribute of the Spring property element, NOT the
- // name of the field in the Spring bean....
- Class<?> interfaze =
- resolveClass(resolver,
- (propertyMap.get(propertyElement.getName()).getType()).getName(),
- context);
- Reference theReference = createReference(interfaze, propertyRef);
- implementation.setUnresolvedBeanRef(propertyRef, theReference);
- break;
- } // end if
- } // end for
- } // end if
- } // end for
- } // end while
+ ComponentType beanComponentType = assemblyFactory.createComponentType();
- Iterator<SpringConstructorArgElement> itcr = beanElement.getCustructorArgs().iterator();
- while (itcr.hasNext()) {
- SpringConstructorArgElement conArgElement = itcr.next();
- for (String constructorArgRef : conArgElement.getRefs()) {
- if (propertyRefUnresolved(constructorArgRef, beans, references, scaproperties)) {
- for (JavaParameterImpl parameter : constructor.getParameters()) {
- String paramType = parameter.getType().getName();
- Class<?> interfaze = resolveClass(resolver, paramType, context);
- // Create a component type reference/property if the constructor-arg element has a
- // type attribute OR index attribute declared...
- if ((conArgElement.getType() != null && paramType.equals(conArgElement.getType())) || (conArgElement
- .getIndex() != -1 && (conArgElement.getIndex() == parameter.getIndex()))) {
- // [rfeng] Commenting out the following code as the constructor parameter based SCA
- // references are added already
- /*
- if (parameter.getClassifer() == org.oasisopen.sca.annotation.Reference.class) {
- Reference theReference = createReference(interfaze, constructorArgRef);
- componentType.getReferences().add(theReference);
- }
- */
- if (parameter.getClassifer() == org.oasisopen.sca.annotation.Property.class) {
- // Store the unresolved references as unresolvedBeanRef in the Spring Implementation type
- // we might need to verify with the component definition later.
- Reference theReference = createReference(interfaze, constructorArgRef);
- implementation.setUnresolvedBeanRef(constructorArgRef, theReference);
+ try {
+ Class<?> beanClass = resolveClass(resolver, beanElement.getClassName(), context);
+ // Introspect the bean
+ beanIntrospector = new SpringBeanIntrospector(registry, beanElement.getCustructorArgs());
+ javaImplementation = beanIntrospector.introspectBean(beanClass, beanComponentType);
+ } catch (Exception e) {
+ // [rfeng] FIXME: Some Spring beans have constructors that take pararemters injected by Spring and
+ // Tuscany is not happy with that during the introspection
+ log.log(Level.SEVERE, e.getMessage(), e);
+ continue;
+ }
+ Map<String, JavaElementImpl> propertyMap = javaImplementation.getPropertyMembers();
+ JavaConstructorImpl constructor = javaImplementation.getConstructor();
+ // Get the references by this Spring Bean and add the unresolved ones to
+ // the component type of the Spring Assembly
+ List<Reference> beanReferences = beanComponentType.getReferences();
+ List<Property> beanProperties = beanComponentType.getProperties();
+
+ Set<String> excludedNames = new HashSet<String>();
+ Iterator<SpringPropertyElement> itp = beanElement.getProperties().iterator();
+ while (itp.hasNext()) {
+ SpringPropertyElement propertyElement = itp.next();
+ // Exclude the reference that is also known as a spring property
+ excludedNames.add(propertyElement.getName());
+ for (String propertyRef : propertyElement.getRefs()) {
+ if (propertyRefUnresolved(propertyRef, beans, references, scaproperties)) {
+ // This means an unresolved reference from the spring bean...
+ for (Reference reference : beanReferences) {
+ if (propertyElement.getName().equals(reference.getName())) {
+ // The name of the reference in this case is the string in
+ // the @ref attribute of the Spring property element, NOT the
+ // name of the field in the Spring bean....
+ reference.setName(propertyRef);
+ // reference.setWiredByImpl(true);
+ componentType.getReferences().add(reference);
+ break;
+ } // end if
+ } // end for
+
+ // Store the unresolved references as unresolvedBeanRef in the Spring Implementation type
+ for (Property scaproperty : beanProperties) {
+ if (propertyElement.getName().equals(scaproperty.getName())) {
+ // The name of the reference in this case is the string in
+ // the @ref attribute of the Spring property element, NOT the
+ // name of the field in the Spring bean....
+ Class<?> interfaze =
+ resolveClass(resolver,
+ (propertyMap.get(propertyElement.getName()).getType())
+ .getName(),
+ context);
+ Reference theReference = createReference(interfaze, propertyRef);
+ implementation.setUnresolvedBeanRef(propertyRef, theReference);
+ break;
+ } // end if
+ } // end for
+ } // end if
+ } // end for
+ } // end while
+
+ Iterator<SpringConstructorArgElement> itcr = beanElement.getCustructorArgs().iterator();
+ while (itcr.hasNext()) {
+ SpringConstructorArgElement conArgElement = itcr.next();
+ for (String constructorArgRef : conArgElement.getRefs()) {
+ if (propertyRefUnresolved(constructorArgRef, beans, references, scaproperties)) {
+ for (JavaParameterImpl parameter : constructor.getParameters()) {
+ String paramType = parameter.getType().getName();
+ Class<?> interfaze = resolveClass(resolver, paramType, context);
+ // Create a component type reference/property if the constructor-arg element has a
+ // type attribute OR index attribute declared...
+ if ((conArgElement.getType() != null && paramType.equals(conArgElement.getType())) || (conArgElement
+ .getIndex() != -1 && (conArgElement.getIndex() == parameter.getIndex()))) {
+ // [rfeng] Commenting out the following code as the constructor parameter based SCA
+ // references are added already
+ /*
+ if (parameter.getClassifer() == org.oasisopen.sca.annotation.Reference.class) {
+ Reference theReference = createReference(interfaze, constructorArgRef);
+ componentType.getReferences().add(theReference);
+ }
+ */
+ if (parameter.getClassifer() == org.oasisopen.sca.annotation.Property.class) {
+ // Store the unresolved references as unresolvedBeanRef in the Spring Implementation type
+ // we might need to verify with the component definition later.
+ Reference theReference = createReference(interfaze, constructorArgRef);
+ implementation.setUnresolvedBeanRef(constructorArgRef, theReference);
+ }
}
- }
- } // end for
- } // end if
- } // end for
- } // end while
-
- // [rfeng] Add the remaining introspected references (w/ @Reference but without Spring property ref)
- for (Reference ref : beanReferences) {
- if (!excludedNames.contains(ref.getName()) && componentType.getReference(ref.getName()) == null) {
- // Only add the ones that not listed by sca:reference
- componentType.getReferences().add(ref);
+ } // end for
+ } // end if
+ } // end for
+ } // end while
+
+ // [rfeng] Add the remaining introspected references (w/ @Reference but without Spring property ref)
+ for (Reference ref : beanReferences) {
+ if (!excludedNames.contains(ref.getName()) && componentType.getReference(ref.getName()) == null) {
+ // Only add the ones that not listed by sca:reference
+ componentType.getReferences().add(ref);
+ }
}
- }
- } // end while
+ } // end while
+ }
} catch (ClassNotFoundException e) {
// Means that either an interface class, property class or a bean was not found
@@ -606,31 +613,34 @@ public class SpringXMLComponentTypeLoader {
return;
} // end method generateComponentType
- private Class<?> getBeanInterface(ModelResolver resolver, String target, List<SpringBeanElement> beans, ProcessorContext context) throws ClassNotFoundException {
- SpringBeanElement bean = null;
- for (SpringBeanElement sbe : beans) {
- if (sbe.getId().equals(target)) {
- bean = sbe;
- break;
- }
- }
- if (bean == null) {
- error(context.getMonitor(), "TargetBeanDoesNotExist", null, target);
- return null;
- }
-
+ private Class<?> getBeanInterface(ModelResolver resolver,
+ String target,
+ List<SpringBeanElement> beans,
+ ProcessorContext context) throws ClassNotFoundException {
+ SpringBeanElement bean = null;
+ for (SpringBeanElement sbe : beans) {
+ if (sbe.getId().equals(target)) {
+ bean = sbe;
+ break;
+ }
+ }
+ if (bean == null) {
+ error(context.getMonitor(), "TargetBeanDoesNotExist", null, target);
+ return null;
+ }
+
Class<?> beanClass = resolveClass(resolver, bean.getClassName(), context);
Set<Class<?>> ifaces = javaIntrospectionHelper.getAllInterfaces(beanClass);
for (Class<?> interfaze : ifaces) {
if (interfaze.isAnnotationPresent(Remotable.class)) {
- return interfaze;
+ return interfaze;
}
}
return beanClass;
- }
+ }
- /*
+ /*
* Determines whether a reference attribute of a Spring property element is resolved either
* by a bean in the application context or by an SCA reference element or by an SCA property
* element