io.atlassian.util.adapter.javax.servlet.JavaXServletContextEventAdapter Maven / Gradle / Ivy

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A collection of classes for adapting Servlet API 4.0 objects to Servlet API 5.0 and vice versa.

There is a newer version: 0.1.0

package io.atlassian.util.adapter.javax.servlet;

import io.atlassian.util.adapter.jakarta.servlet.JakartaServletContextEventAdapter;

import javax.servlet.ServletContextEvent;

import static io.atlassian.util.adapter.javax.JavaXAdapters.asJavaX;
import static io.atlassian.util.adapter.util.WrapperUtil.applyIfNonNull;
import static java.util.Objects.requireNonNull;

public class JavaXServletContextEventAdapter extends ServletContextEvent {

    private final jakarta.servlet.ServletContextEvent delegate;

    public static ServletContextEvent from(jakarta.servlet.ServletContextEvent delegate) {
        if (delegate instanceof JakartaServletContextEventAdapter castDelegate) {
            return castDelegate.getDelegate();
        }
        return applyIfNonNull(delegate, JavaXServletContextEventAdapter::new);
    }

    JavaXServletContextEventAdapter(jakarta.servlet.ServletContextEvent delegate) {
        super(asJavaX(requireNonNull(delegate).getServletContext()));
        this.delegate = delegate;
    }

    public jakarta.servlet.ServletContextEvent getDelegate() {
        return delegate;
    }
}