org.springframework.aot.nativex.substitution.Target_Introspector Maven / Gradle / Ivy
/*
* Copyright 2002-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.aot.nativex.substitution;
import java.beans.Customizer;
import com.oracle.svm.core.annotate.Substitute;
import com.oracle.svm.core.annotate.TargetClass;
/**
* {@link java.beans.Introspector} substitution with a refined {@code findCustomizerClass} implementation
* designed to avoid thousands of AWT classes to be included in the native image.
*
* TODO Remove once Spring Framework requires GraalVM 23.0+, see graal#5224.
*
* @author Sebastien Deleuze
* @since 6.0
*/
@TargetClass(className = "java.beans.Introspector")
final class Target_Introspector {
@Substitute
private static Class findCustomizerClass(Class type) {
String name = type.getName() + "Customizer";
try {
type = Target_ClassFinder.findClass(name, type.getClassLoader());
if (Customizer.class.isAssignableFrom(type)) {
Class c = type;
do {
c = c.getSuperclass();
if (c.getName().equals("java.awt.Component")) {
return type;
}
} while (!c.getName().equals("java.lang.Object"));
}
}
catch (Exception exception) {
}
return null;
}
}