io.apicurio.registry.resolver.utils.Utils Maven / Gradle / Ivy
package io.apicurio.registry.resolver.utils;
import java.util.function.Consumer;
public class Utils {
@SuppressWarnings("unchecked")
public static Class loadClass(String javaType) {
try {
return (Class) Thread.currentThread().getContextClassLoader().loadClass(javaType);
} catch (ClassNotFoundException ignored) {
}
try {
return (Class) Class.forName(javaType);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
// TODO make the instantiation mechanism configurable
@SuppressWarnings("unchecked")
public static void instantiate(Class type, Object value, Consumer setter) {
if (value != null) {
if (type.isInstance(value)) {
setter.accept(type.cast(value));
} else if (value instanceof Class && type.isAssignableFrom((Class) value)) {
// noinspection unchecked
setter.accept(instantiate((Class) value));
} else if (value instanceof String) {
Class clazz = loadClass((String) value);
setter.accept(instantiate(clazz));
} else {
throw new IllegalArgumentException(
String.format("Cannot handle configuration [%s]: %s", type.getName(), value));
}
}
}
// TODO make the instantiation mechanism configurable
public static V instantiate(Class clazz) {
try {
return clazz.getConstructor().newInstance();
} catch (Exception e) {
throw new IllegalArgumentException(e);
}
}
}