package com.github.dynamicextensionsalfresco.blueprint;
import java.io.IOException;
import java.util.Map;
import com.github.dynamicextensionsalfresco.annotations.AlfrescoPlatform;
import org.alfresco.service.descriptor.Descriptor;
import org.alfresco.util.VersionNumber;
import org.springframework.beans.factory.support.BeanDefinitionRegistry;
import org.springframework.context.annotation.ClassPathBeanDefinitionScanner;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.core.type.classreading.MetadataReader;
import org.springframework.util.StringUtils;
/**
* {@link ClassPathBeanDefinitionScanner} that uses the {@link AlfrescoPlatform} annotation for filtering candidate
* components.
*
* @author Laurens Fridael
*
*/
class AlfrescoPlatformBeanDefinitionScanner extends ClassPathBeanDefinitionScanner {
private final Descriptor descriptor;
public AlfrescoPlatformBeanDefinitionScanner(final BeanDefinitionRegistry registry, final Descriptor descriptor) {
super(registry, true);
this.descriptor = descriptor;
}
@Override
protected boolean isCandidateComponent(final MetadataReader metadataReader) throws IOException {
return super.isCandidateComponent(metadataReader) && matchesAlfrescoVersion(metadataReader);
}
private boolean matchesAlfrescoVersion(final MetadataReader metadataReader) {
boolean matches = true;
final AnnotationMetadata metadata = metadataReader.getAnnotationMetadata();
if (metadata.isAnnotated(AlfrescoPlatform.class.getName())) {
final Map<String, Object> alfrescoVersion = metadata.getAnnotationAttributes(AlfrescoPlatform.class
.getName());
final String minVersion = (String) alfrescoVersion.get("minVersion");
final String maxVersion = (String) alfrescoVersion.get("maxVersion");
final VersionNumber versionNumber = descriptor.getVersionNumber();
if (StringUtils.hasText(minVersion) && versionNumber.compareTo(new VersionNumber(minVersion)) < 0) {
matches = false;
} else if (StringUtils.hasText(maxVersion) && versionNumber.compareTo(new VersionNumber(maxVersion)) > 0) {
matches = false;
}
}
return matches;
}
}