Examples of com.sun.enterprise.deployment.annotation.AnnotationProcessor

Package com.sun.enterprise.deployment.annotation

Examples of com.sun.enterprise.deployment.annotation.AnnotationProcessor

com.sun.enterprise.deployment.annotation.AnnotationProcessor

The annotation processor is the core engine to process annotations. All the processing configuration (input classes, error handlers, etc...) is provided by the ProcessingContext which can be either created from the createContext method or through another mean. Once the ProcessingContext has been initialized, it is passed to the process(ProcessingContext ctx) method which triggers the annotation processing.

Each class accessible from the ProcessingContext.getInputScanner instance, will be scanned for annotations. Each annotation will then be processed by invoking the corresponding AnnotationHandler from its annotation type.

The AnnotationProcessor can be configured by using the pushAnnotationHandler and popAnnotationHandler which allow new AnnotationHandler instances to be registered and unregistered for a particular annotation type.

Even without reconfiguring the AnnotationProcessor instance with the above configuration methods, the AnnotationProcessor implementation cannot guarantee to be thread safe, therefore, it is encouraged the make instanciation cheap and users should not use the same instance concurrently.
@author Jerome Dochez

            SarScanner scanner = new SarScanner();
            scanner.initScanRepository(new File(sarScanDir),
                  (WebBundleDescriptor) sbd, classLoader);


            if (!scanner.getElements().isEmpty()) {
                AnnotationProcessor ap = SipHandlerFactory.getAnnotationProcessor();
                ProcessingContext ctx = ap.createContext();


                ctx.setProcessingInput(scanner);
                ctx.pushHandler(aeHandler);
                ap.process(ctx);
                postProcessAnnotations();
            }
        } catch (DeploymentException e) {
            throw e;
        }

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            SarScanner scanner = new SarScanner();
            scanner.initScanRepository(destForArchive,
                  (WebBundleDescriptor) dummySbd, getClassLoader());


            if (!scanner.getElements().isEmpty()) {
                AnnotationProcessor ap = SipHandlerFactory.getAnnotationProcessor();
                ProcessingContext ctx = ap.createContext();


                ctx.setProcessingInput(scanner);
                ctx.pushHandler(aeHandler);
                ap.process(ctx);
                
                // Check if there are Servlets or Listeners. XXX: Should the check for Servlets alone be not 
                // enough?
                if ((!dummySbd.getSipApplication().getAnnotatedServlets().isEmpty()) ||
                   (!dummySbd.getSipApplication().getAnnotatedListeners().isEmpty())){

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                    localStrings.getLocalString(
                    "enterprise.deployment.oldDDwithAnnotation", 
                    "{0} in archive {1} is of version {2}, which cannot support annotations in an application.  Please upgrade the deployment descriptor to be a version supported by Java EE 5.0 (or later).", 
                    new Object[] {ddName, archiveName, bundleDesc.getSpecVersion()}));
            }
            AnnotationProcessor ap = SJSASFactory.getAnnotationProcessor();
            ProcessingContext ctx = ap.createContext();
            if (annotationErrorHandler != null) {
                ctx.setErrorHandler(annotationErrorHandler);
            }
            ctx.setProcessingInput(scanner);
            ctx.pushHandler(aeHandler);
            
            // Make sure there is a classloader available on the descriptor
            // during annotation processing.
            ClassLoader originalBundleClassLoader = null;
            try {
                originalBundleClassLoader = bundleDesc.getClassLoader();
            } catch(Exception e) {
                // getClassLoader can throw exception if not available
            }
            
            // Only set classloader if it's not already set.
            if( originalBundleClassLoader == null ) {
                bundleDesc.setClassLoader(classLoader);
            }
            
            try {
                return ap.process(ctx);
            } finally {
                if( originalBundleClassLoader == null ) {
                    bundleDesc.setClassLoader(null);
                }
            }

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