package org.flywaydb.core.internal.scanner;
import org.flywaydb.core.api.Location;
import org.flywaydb.core.api.resource.LoadableResource;
import org.flywaydb.core.internal.scanner.classpath.ClassPathScanner;
import java.nio.charset.Charset;
import java.util.ArrayList;
import java.util.List;
public class ClasspathClassScanner {
private final ResourceNameCache resourceNameCache = new ResourceNameCache();
private final LocationScannerCache locationScannerCache = new LocationScannerCache();
private final ClassLoader classLoader;
public ClasspathClassScanner(ClassLoader classLoader) {
this.classLoader = classLoader;
}
public List<String> scanForType(String location, Class<?> classType, boolean errorOnNotFound) {
ClassPathScanner<?> s = new ClassPathScanner<>(classType, classLoader, Charset.defaultCharset(), new Location("classpath:" + location),
resourceNameCache, locationScannerCache, errorOnNotFound);
List<String> discoveredTypes = new ArrayList<>();
for (LoadableResource resource : s.scanForResources()) {
if (resource.getAbsolutePath().endsWith(".class")) {
discoveredTypes.add(toClassName(resource.getAbsolutePath()));
}
}
return discoveredTypes;
}
private String toClassName(String resourceName) {
String nameWithDots = resourceName.replace("/", ".");
return nameWithDots.substring(0, (nameWithDots.length() - ".class".length()));
}
}