package org.jboss.errai.reflections.scanners;
import com.google.common.collect.Lists;
import org.jboss.errai.reflections.ReflectionsException;
import org.jboss.errai.reflections.serializers.JavaCodeSerializer;
import org.jboss.errai.reflections.util.Utils;
import org.jboss.errai.reflections.vfs.Vfs;
import java.io.IOException;
import java.io.InputStream;
import java.util.List;
/** scans classes and stores fqn as key and full path as value */
public class TypesScanner extends AbstractScanner {
public boolean acceptsInput(String file) {
return file.endsWith(".class"); //classes only
}
//duplicated from AbstractScanner
public void scan(Vfs.File file) {
InputStream inputStream = null;
try {
inputStream = file.openInputStream();
Object cls = getMetadataAdapter().createClassObject(inputStream);
scan(cls, file);
} catch (IOException e) {
throw new ReflectionsException("could not create class file from " + file.getName(), e);
} finally {
Utils.close(inputStream);
}
}
private void scan(Object cls, Vfs.File file) {
//avoid scanning JavaCodeSerializer outputs
//noinspection unchecked
if (TypesScanner.isJavaCodeSerializer(getMetadataAdapter().getInterfacesNames(cls))) return;
@SuppressWarnings({"unchecked"}) String className = getMetadataAdapter().getClassName(cls);
getStore().put(className, file.getFullPath());
}
@Override
public void scan(Object cls) {
throw new UnsupportedOperationException("should not get here");
}
//
public static boolean isJavaCodeSerializer(List<String> interfacesNames) {
return interfacesNames.size() == 1 && javaCodeSerializerInterfaces.contains(interfacesNames.get(0));
}
private final static List<String> javaCodeSerializerInterfaces = Lists.newArrayList(
JavaCodeSerializer.IElement.class.getName(),
JavaCodeSerializer.IPackage.class.getName(),
JavaCodeSerializer.IClass.class.getName(),
JavaCodeSerializer.IField.class.getName(),
JavaCodeSerializer.IMethod.class.getName()
);
}