com.github.jlangch.venice.util.servlet.VeniceServlet Maven / Gradle / Ivy

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Venice, a sandboxed Lisp implemented in Java.
There is a newer version: 1.12.34
/*   __    __         _
 *   \ \  / /__ _ __ (_) ___ ___
 *    \ \/ / _ \ '_ \| |/ __/ _ \
 *     \  /  __/ | | | | (_|  __/
 *      \/ \___|_| |_|_|\___\___|
 *
 *
 * Copyright 2017-2024 Venice
 *
 * 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
 *
 *     http://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 com.github.jlangch.venice.util.servlet;

import java.io.IOException;

import jakarta.servlet.ServletConfig;
import jakarta.servlet.ServletException;
import jakarta.servlet.http.HttpServlet;
import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpServletResponse;


public class VeniceServlet extends HttpServlet {

    public VeniceServlet(final IVeniceServlet delegate) {
        this.delegate = delegate;
    }


    @Override
    public void init(final ServletConfig config)
    throws ServletException {
        super.init(config);
        delegate.init(this, config);
    }

    @Override
    public void destroy() {
        try {
            delegate.destroy(this);
        }
        finally {
            super.destroy();
        }
    }

    @Override
    protected void doGet(
            final HttpServletRequest req,
            final HttpServletResponse resp
    ) throws ServletException, IOException {
        delegate.doGet(this, req, resp);
    }

    @Override
    protected void doHead(
            final HttpServletRequest req,
            final HttpServletResponse resp
    ) throws ServletException, IOException {
        delegate.doHead(this, req, resp);
    }

    @Override
    protected void doPost(
            final HttpServletRequest req,
            final HttpServletResponse resp
    ) throws ServletException, IOException {
        // Triggers the lazy load of the parameter map for POST "application/x-www-form-urlencoded"
        // requests. Accessing req.getParameterMap() via reflection does not seem to load
        // the parameter map from x-www-form-urlencoded body.
        req.getParameterMap();
        delegate.doPost(this, req, resp);
    }

    @Override
    protected void doPut(
            final HttpServletRequest req,
            final HttpServletResponse resp
    ) throws ServletException, IOException {
        delegate.doPut(this, req, resp);
    }

    @Override
    protected void doDelete(
            final HttpServletRequest req,
            final HttpServletResponse resp
    ) throws ServletException, IOException {
        delegate.doDelete(this, req, resp);
    }

    @Override
    protected void doOptions(
            final HttpServletRequest req,
            final HttpServletResponse resp
    ) throws ServletException, IOException {
        delegate.doOptions(this, req, resp);
    }

    @Override
    protected void doTrace(
            final HttpServletRequest req,
            final HttpServletResponse resp
    ) throws ServletException, IOException {
        delegate.doTrace(this, req, resp);
    }

    @Override
    protected long getLastModified(final HttpServletRequest req) {
        return delegate.getLastModified(req);
    }


    private static final long serialVersionUID = 7024848763477707717L;

    private final IVeniceServlet delegate;
}