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package org.glassfish.ejb.mdb;

import com.sun.ejb.codegen.EjbOptionalIntfGenerator;

import jakarta.resource.spi.endpoint.MessageEndpoint;

public class MessageBeanInterfaceGenerator extends EjbOptionalIntfGenerator {

    public MessageBeanInterfaceGenerator(ClassLoader loader) {
        super(loader);
    }

    public Class generateMessageBeanSubClass(Class beanClass, Class messageBeanInterface) throws Exception {
        final String generatedMessageBeanSubClassName = messageBeanInterface.getName() + "__Bean__";

        generateSubclass(beanClass, generatedMessageBeanSubClassName, messageBeanInterface, MessageEndpoint.class);
        return loadClass(generatedMessageBeanSubClassName);
    }

    public Class generateMessageBeanInterface(Class beanClass) throws Exception {
        final String generatedMessageBeanInterfaceName = getGeneratedMessageBeanInterfaceName(beanClass);

        generateInterface(beanClass, generatedMessageBeanInterfaceName, MessageEndpoint.class);
        return loadClass(generatedMessageBeanInterfaceName);
    }

    public static String getGeneratedMessageBeanInterfaceName(Class ejbClass) {
        String className = ejbClass.getName();
        int dot = className.lastIndexOf('.');
        final String packageName = (dot == -1) ? null : className.substring(0, dot);
        final String name = "__EJB32_Generated__" + ejbClass.getSimpleName() + "__Intf__";

        return packageName != null ? packageName + "." + name : name;
    }

}