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package com.atlassian.router.internal;

import com.atlassian.router.HttpServletRequestWithContext;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import java.util.Hashtable;
import java.util.Map;
import java.util.Optional;

public class HttpServletRequestWithContextImpl
        extends HttpServletRequestWrapper
        implements HttpServletRequestWithContext {

    Map, Object> contexts;

    public HttpServletRequestWithContextImpl(HttpServletRequest request) {
        super(request);
        this.contexts = new Hashtable<>();
    }

    public  void addContext(T context) {
        contexts.put(context.getClass(), context);
    }

    public  Optional getContext(Class klass) {
        if (!contexts.containsKey(klass)) {
            return Optional.empty();
        }
        return Optional.of((T) contexts.get(klass));
    }
}