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HHH-13704 Remove Javassist from ClassFileArchiveEntryHandler 

Use Jandex instead.
This commit is contained in:
Davide D'Alto 2019-11-08 12:52:46 +00:00
parent bac88eda53
commit 2e5892236b
1 changed files with 43 additions and 42 deletions
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85
hibernate-core/src/main/java/org/hibernate/boot/archive/scan/spi/ClassFileArchiveEntryHandler.java
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@ -14,9 +14,6 @@ import javax.persistence.Embeddable;
import javax.persistence.Entity;
import javax.persistence.MappedSuperclass;
import javassist.bytecode.AnnotationsAttribute;
import javassist.bytecode.ClassFile;
import org.hibernate.boot.archive.scan.internal.ClassDescriptorImpl;
import org.hibernate.boot.archive.scan.internal.ScanResultCollector;
import org.hibernate.boot.archive.spi.ArchiveContext;
@ -24,12 +21,26 @@ import org.hibernate.boot.archive.spi.ArchiveEntry;
import org.hibernate.boot.archive.spi.ArchiveEntryHandler;
import org.hibernate.boot.archive.spi.ArchiveException;
import org.jboss.jandex.ClassInfo;
import org.jboss.jandex.DotName;
import org.jboss.jandex.Index;
import org.jboss.jandex.Indexer;
/**
* Defines handling and filtering for class file entries within an archive
*
* @author Steve Ebersole
*/
public class ClassFileArchiveEntryHandler implements ArchiveEntryHandler {
private final static DotName CONVERTER = DotName.createSimple( Converter.class.getName() );
private final static DotName[] MODELS = {
DotName.createSimple( Entity.class.getName() ),
DotName.createSimple( MappedSuperclass.class.getName() ),
DotName.createSimple( Embeddable.class.getName() )
};
private final ScanResultCollector resultCollector;
public ClassFileArchiveEntryHandler(ScanResultCollector resultCollector) {
@ -38,14 +49,8 @@ public class ClassFileArchiveEntryHandler implements ArchiveEntryHandler {
@Override
public void handleEntry(ArchiveEntry entry, ArchiveContext context) {
// Ultimately we'd like to leverage Jandex here as long term we want to move to
// using Jandex for annotation processing. But even then, Jandex atm does not have
// any facility for passing a stream and conditionally indexing it into an Index or
// returning existing ClassInfo objects.
//
// So not sure we can ever not do this unconditional input stream read :(
final ClassFile classFile = toClassFile( entry );
final ClassDescriptor classDescriptor = toClassDescriptor( classFile, entry );
final ClassDescriptor classDescriptor = toClassDescriptor( entry );
if ( classDescriptor.getCategorization() == ClassDescriptor.Categorization.OTHER ) {
return;
@ -54,45 +59,41 @@ public class ClassFileArchiveEntryHandler implements ArchiveEntryHandler {
resultCollector.handleClass( classDescriptor, context.isRootUrl() );
}
private ClassFile toClassFile(ArchiveEntry entry) {
final InputStream inputStream = entry.getStreamAccess().accessInputStream();
final DataInputStream dataInputStream = new DataInputStream( inputStream );
try {
return new ClassFile( dataInputStream );
private ClassDescriptor toClassDescriptor(ArchiveEntry entry) {
try (InputStream inputStream = entry.getStreamAccess().accessInputStream()) {
Indexer indexer = new Indexer();
ClassInfo classInfo = indexer.index( inputStream );
Index index = indexer.complete();
return toClassDescriptor( classInfo, index, entry );
}
catch (IOException e) {
throw new ArchiveException( "Could not build ClassFile", e );
}
finally {
try {
dataInputStream.close();
}
catch (Exception ignore) {
}
try {
inputStream.close();
}
catch (IOException ignore) {
}
throw new ArchiveException( "Could not build ClassInfo", e );
}
}
private ClassDescriptor toClassDescriptor(ClassFile classFile, ArchiveEntry entry) {
private ClassDescriptor toClassDescriptor(ClassInfo classInfo, Index index, ArchiveEntry entry) {
ClassDescriptor.Categorization categorization = ClassDescriptor.Categorization.OTHER;
final AnnotationsAttribute visibleAnnotations = (AnnotationsAttribute) classFile.getAttribute( AnnotationsAttribute.visibleTag );
if ( visibleAnnotations != null ) {
if ( visibleAnnotations.getAnnotation( Entity.class.getName() ) != null
|| visibleAnnotations.getAnnotation( MappedSuperclass.class.getName() ) != null
|| visibleAnnotations.getAnnotation( Embeddable.class.getName() ) != null ) {
categorization = ClassDescriptor.Categorization.MODEL;
}
else if ( visibleAnnotations.getAnnotation( Converter.class.getName() ) != null ) {
categorization = ClassDescriptor.Categorization.CONVERTER;
}
if ( isModel( index ) ) {
categorization = ClassDescriptor.Categorization.MODEL;
}
else if ( isConverter( index ) ) {
categorization = ClassDescriptor.Categorization.CONVERTER;
}
return new ClassDescriptorImpl( classFile.getName(), categorization, entry.getStreamAccess() );
return new ClassDescriptorImpl( classInfo.name().toString(), categorization, entry.getStreamAccess() );
}
private boolean isConverter(Index index) {
return !index.getAnnotations( CONVERTER ).isEmpty();
}
private boolean isModel(Index index) {
for ( DotName model : MODELS ) {
if ( !index.getAnnotations( model ).isEmpty() ) {
return true;
}
}
return false;
}
}