package org.springframework.roo.addon.web.mvc.controller.finder;
import static org.springframework.roo.model.RooJavaType.ROO_WEB_FINDER;
import java.util.Map;
import java.util.Set;
import java.util.SortedMap;
import org.apache.felix.scr.annotations.Component;
import org.apache.felix.scr.annotations.Reference;
import org.apache.felix.scr.annotations.Service;
import org.osgi.service.component.ComponentContext;
import org.springframework.roo.addon.web.mvc.controller.details.DateTimeFormatDetails;
import org.springframework.roo.addon.web.mvc.controller.details.FinderMetadataDetails;
import org.springframework.roo.addon.web.mvc.controller.details.JavaTypeMetadataDetails;
import org.springframework.roo.addon.web.mvc.controller.details.WebMetadataService;
import org.springframework.roo.addon.web.mvc.controller.scaffold.WebScaffoldAnnotationValues;
import org.springframework.roo.classpath.PhysicalTypeIdentifier;
import org.springframework.roo.classpath.PhysicalTypeMetadata;
import org.springframework.roo.classpath.customdata.CustomDataKeys;
import org.springframework.roo.classpath.details.ClassOrInterfaceTypeDetails;
import org.springframework.roo.classpath.itd.AbstractItdMetadataProvider;
import org.springframework.roo.classpath.itd.ItdTypeDetailsProvidingMetadataItem;
import org.springframework.roo.classpath.scanner.MemberDetails;
import org.springframework.roo.model.JavaSymbolName;
import org.springframework.roo.model.JavaType;
import org.springframework.roo.project.LogicalPath;
/**
* Implementation of {@link WebFinderMetadataProvider}.
*
* @author Stefan Schmidt
* @since 1.1.3
*/
@Component(immediate = true)
@Service
public class WebFinderMetadataProviderImpl extends AbstractItdMetadataProvider
implements WebFinderMetadataProvider {
@Reference private WebMetadataService webMetadataService;
protected void activate(final ComponentContext context) {
metadataDependencyRegistry.registerDependency(
PhysicalTypeIdentifier.getMetadataIdentiferType(),
getProvidesType());
addMetadataTrigger(ROO_WEB_FINDER);
}
@Override
protected String createLocalIdentifier(final JavaType javaType,
final LogicalPath path) {
return WebFinderMetadata.createIdentifier(javaType, path);
}
protected void deactivate(final ComponentContext context) {
metadataDependencyRegistry.deregisterDependency(
PhysicalTypeIdentifier.getMetadataIdentiferType(),
getProvidesType());
removeMetadataTrigger(ROO_WEB_FINDER);
}
@Override
protected String getGovernorPhysicalTypeIdentifier(
final String metadataIdentificationString) {
final JavaType javaType = WebFinderMetadata
.getJavaType(metadataIdentificationString);
final LogicalPath path = WebFinderMetadata
.getPath(metadataIdentificationString);
return PhysicalTypeIdentifier.createIdentifier(javaType, path);
}
public String getItdUniquenessFilenameSuffix() {
return "Controller_Finder";
}
@Override
protected ItdTypeDetailsProvidingMetadataItem getMetadata(
final String metadataIdentificationString,
final JavaType aspectName,
final PhysicalTypeMetadata governorPhysicalTypeMetadata,
final String itdFilename) {
// We need to parse the annotation, which we expect to be present
final WebScaffoldAnnotationValues annotationValues = new WebScaffoldAnnotationValues(
governorPhysicalTypeMetadata);
if (!annotationValues.isAnnotationFound()
|| !annotationValues.isExposeFinders()
|| annotationValues.getFormBackingObject() == null
|| governorPhysicalTypeMetadata.getMemberHoldingTypeDetails() == null) {
return null;
}
// Lookup the form backing object's metadata
final JavaType formBackingType = annotationValues
.getFormBackingObject();
final ClassOrInterfaceTypeDetails formBackingTypeDetails = typeLocationService
.getTypeDetails(formBackingType);
if (formBackingTypeDetails == null
|| !formBackingTypeDetails.getCustomData().keySet()
.contains(CustomDataKeys.PERSISTENT_TYPE)) {
return null;
}
// We need to be informed if our dependent metadata changes
metadataDependencyRegistry.registerDependency(
formBackingTypeDetails.getDeclaredByMetadataId(),
metadataIdentificationString);
final MemberDetails formBackingObjectMemberDetails = getMemberDetails(formBackingTypeDetails);
final Set<FinderMetadataDetails> dynamicFinderMethods = webMetadataService
.getDynamicFinderMethodsAndFields(formBackingType,
formBackingObjectMemberDetails,
metadataIdentificationString);
if (dynamicFinderMethods == null) {
return null;
}
final SortedMap<JavaType, JavaTypeMetadataDetails> relatedApplicationTypeMetadata = webMetadataService
.getRelatedApplicationTypeMetadata(formBackingType,
formBackingObjectMemberDetails,
metadataIdentificationString);
final Map<JavaSymbolName, DateTimeFormatDetails> datePatterns = webMetadataService
.getDatePatterns(formBackingType,
formBackingObjectMemberDetails,
metadataIdentificationString);
return new WebFinderMetadata(metadataIdentificationString, aspectName,
governorPhysicalTypeMetadata, annotationValues,
relatedApplicationTypeMetadata, dynamicFinderMethods, datePatterns);
}
public String getProvidesType() {
return WebFinderMetadata.getMetadataIdentiferType();
}
}