diff options
| author | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-05-27 06:23:18 +0000 |
|---|---|---|
| committer | antelder <antelder@13f79535-47bb-0310-9956-ffa450edef68> | 2009-05-27 06:23:18 +0000 |
| commit | c8a471118f4ee5d081c140976f65720f32938959 (patch) | |
| tree | 83004c6edf1011047622b57d1c2b77cd4376ff2d /java | |
| parent | 2bf1f8183eebf82c3c57110bb23f4bd174431e67 (diff) | |
Add a Tuscany annotation processor so servlets etc can use SCA annotations
git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@779022 13f79535-47bb-0310-9956-ffa450edef68
Diffstat (limited to 'java')
| -rw-r--r-- | java/sca/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyAnnotationsProcessor.java | 85 |
1 files changed, 85 insertions, 0 deletions
diff --git a/java/sca/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyAnnotationsProcessor.java b/java/sca/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyAnnotationsProcessor.java new file mode 100644 index 0000000000..8dfd8175e4 --- /dev/null +++ b/java/sca/distribution/tomcat/tomcat-hook/src/main/java/org/apache/tuscany/sca/tomcat/TuscanyAnnotationsProcessor.java @@ -0,0 +1,85 @@ +/*
+ * 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.tuscany.sca.tomcat;
+
+import java.lang.reflect.InvocationTargetException;
+import java.lang.reflect.Method;
+
+import javax.naming.NamingException;
+import javax.servlet.ServletContext;
+
+import org.apache.AnnotationProcessor;
+import org.apache.catalina.util.DefaultAnnotationProcessor;
+
+public class TuscanyAnnotationsProcessor implements AnnotationProcessor {
+
+ private TuscanyStandardContext tuscanyStandardContext;
+ private AnnotationProcessor tomcatAnnotationProcessor;
+ private Method tuscanyInjectMethod;
+
+ public TuscanyAnnotationsProcessor(TuscanyStandardContext tuscanyStandardContext, javax.naming.Context context) {
+ this.tuscanyStandardContext = tuscanyStandardContext;
+ this.tomcatAnnotationProcessor = new DefaultAnnotationProcessor(context);
+ initInjectMethod(tuscanyStandardContext);
+ }
+
+ private void initInjectMethod(TuscanyStandardContext tuscanyStandardContext) {
+
+ // this needs to use reflection as the tuscany-hook module can't have any
+ // dependencies on the tuscany runtime modules as they're not
+ // in the server classpath
+ // TODO: is there a nicer way ?
+
+ ClassLoader cl = tuscanyStandardContext.getParentClassLoader();
+ try {
+ Class<?> c = Class.forName("org.apache.tuscany.sca.implementation.web.runtime.utils.ContextHelper", true, cl);
+ if (c != null) {
+ this.tuscanyInjectMethod = c.getMethod("inject", new Class[]{Object.class, ServletContext.class});
+ }
+ } catch (Exception e){
+ // ignore
+ }
+ }
+
+ public void postConstruct(Object instance) throws IllegalAccessException, InvocationTargetException {
+ tomcatAnnotationProcessor.postConstruct(instance);
+ }
+
+ public void preDestroy(Object instance) throws IllegalAccessException, InvocationTargetException {
+ tomcatAnnotationProcessor.preDestroy(instance);
+ }
+
+ public void processAnnotations(Object instance) throws IllegalAccessException, InvocationTargetException, NamingException {
+ if (tuscanyInjectMethod != null) {
+ ServletContext sc = tuscanyStandardContext.getServletContext();
+ if (sc != null) {
+ Object rc = sc.getAttribute("org.apache.tuscany.sca.implementation.web.RuntimeComponent");
+ if (rc != null) {
+ try {
+ tuscanyInjectMethod.invoke(null, instance, sc);
+ } catch (Exception e) {
+ throw new InvocationTargetException(e);
+ }
+ }
+ }
+ }
+ tomcatAnnotationProcessor.processAnnotations(instance);
+ }
+}
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