package org.jboss.windup.rules.apps.javaee.rules;
import java.util.logging.Logger;
import org.apache.commons.lang3.StringUtils;
import org.jboss.windup.ast.java.data.TypeReferenceLocation;
import org.jboss.windup.config.AbstractRuleProvider;
import org.jboss.windup.config.GraphRewrite;
import org.jboss.windup.config.loader.RuleLoaderContext;
import org.jboss.windup.config.metadata.RuleMetadata;
import org.jboss.windup.config.operation.Iteration;
import org.jboss.windup.config.operation.iteration.AbstractIterationOperation;
import org.jboss.windup.config.phase.InitialAnalysisPhase;
import org.jboss.windup.rules.apps.java.condition.JavaClass;
import org.jboss.windup.rules.apps.java.model.AbstractJavaSourceModel;
import org.jboss.windup.rules.apps.java.model.JavaClassModel;
import org.jboss.windup.rules.apps.java.model.JavaSourceFileModel;
import org.jboss.windup.rules.apps.java.scan.ast.JavaTypeReferenceModel;
import org.jboss.windup.rules.apps.java.scan.ast.annotations.JavaAnnotationLiteralTypeValueModel;
import org.jboss.windup.rules.apps.java.scan.ast.annotations.JavaAnnotationTypeReferenceModel;
import org.jboss.windup.rules.apps.java.scan.ast.annotations.JavaAnnotationTypeValueModel;
import org.jboss.windup.rules.apps.java.scan.provider.AnalyzeJavaFilesRuleProvider;
import org.jboss.windup.rules.apps.java.service.JavaClassService;
import org.jboss.windup.rules.apps.javaee.service.JaxWSWebServiceModelService;
import org.jboss.windup.util.Logging;
import org.ocpsoft.rewrite.config.Configuration;
import org.ocpsoft.rewrite.config.ConfigurationBuilder;
import org.ocpsoft.rewrite.context.EvaluationContext;
/**
* Scans for classes with JAX-WS related annotations, and adds JAX-WS related metadata for these.
*
* @author <a href="mailto:bradsdavis@gmail.com">Brad Davis</a>
*/
@RuleMetadata(phase = InitialAnalysisPhase.class, after = AnalyzeJavaFilesRuleProvider.class)
public class DiscoverJaxWSAnnotationsRuleProvider extends AbstractRuleProvider
{
private static final Logger LOG = Logging.get(DiscoverJaxWSAnnotationsRuleProvider.class);
private static final String JAXWS_ANNOTATIONS = "jaxwsAnnotations";
@Override
public Configuration getConfiguration(RuleLoaderContext ruleLoaderContext)
{
String ruleIDPrefix = getClass().getSimpleName();
return ConfigurationBuilder
.begin()
.addRule()
.when(JavaClass
.references("javax.jws.WebService")
.at(TypeReferenceLocation.ANNOTATION)
.as(JAXWS_ANNOTATIONS))
.perform(Iteration.over(JAXWS_ANNOTATIONS).perform(new AbstractIterationOperation<JavaTypeReferenceModel>()
{
@Override
public void perform(GraphRewrite event, EvaluationContext context, JavaTypeReferenceModel payload)
{
extractMetadata(event, payload);
}
}).endIteration())
.withId(ruleIDPrefix + "_JAXWSAnnotationRule");
}
private void extractMetadata(GraphRewrite event, JavaTypeReferenceModel typeReference)
{
JavaClassService javaClassService = new JavaClassService(event.getGraphContext());
JavaClassModel implementationClass = getJavaClass(typeReference);
// first, find out if it implements an interface.
// TODO: handle the interface only case, where clients exist but no implementation
if (!implementationClass.getInterfaces().iterator().hasNext())
{
return;
}
LOG.info("Processing: " + typeReference);
typeReference.getFile().setGenerateSourceReport(true);
JavaAnnotationTypeReferenceModel jaxWsAnnotationTypeReference = (JavaAnnotationTypeReferenceModel) typeReference;
String endpointInterfaceQualifiedName = getAnnotationLiteralValue(jaxWsAnnotationTypeReference, "endpointInterface");
JavaClassModel endpointInterface = null;
if (StringUtils.isNotBlank(endpointInterfaceQualifiedName))
{
endpointInterface = javaClassService.getOrCreatePhantom(endpointInterfaceQualifiedName);
for (AbstractJavaSourceModel source : javaClassService.getJavaSource(endpointInterface.getQualifiedName()))
source.setGenerateSourceReport(true);
}
JaxWSWebServiceModelService service = new JaxWSWebServiceModelService(event.getGraphContext());
service.getOrCreate(typeReference.getFile().getApplication(), endpointInterface, implementationClass);
}
private JavaClassModel getJavaClass(JavaTypeReferenceModel javaTypeReference)
{
JavaClassModel result = null;
AbstractJavaSourceModel javaSource = javaTypeReference.getFile();
for (JavaClassModel javaClassModel : javaSource.getJavaClasses())
{
// there can be only one public one, and the annotated class should be public
if (javaClassModel.isPublic() != null && javaClassModel.isPublic())
{
result = javaClassModel;
break;
}
}
if (result == null)
{
// no public classes found, so try to find any class (even non-public ones)
result = javaSource.getJavaClasses().iterator().next();
}
return result;
}
private String getAnnotationLiteralValue(JavaAnnotationTypeReferenceModel model, String name)
{
JavaAnnotationTypeValueModel valueModel = model.getAnnotationValues().get(name);
if (valueModel instanceof JavaAnnotationLiteralTypeValueModel)
{
JavaAnnotationLiteralTypeValueModel literalTypeValue = (JavaAnnotationLiteralTypeValueModel) valueModel;
return literalTypeValue.getLiteralValue();
}
else
{
return null;
}
}
@Override
public String toString()
{
return "DiscoverEJBAnnotatedClasses";
}
}