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Jelly binding for Stapler
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/*
 * Copyright (c) 2004-2010, Kohsuke Kawaguchi
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification, are permitted provided
 * that the following conditions are met:
 *
 *     * Redistributions of source code must retain the above copyright notice, this list of
 *       conditions and the following disclaimer.
 *     * Redistributions in binary form must reproduce the above copyright notice, this list of
 *       conditions and the following disclaimer in the documentation and/or other materials
 *       provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF
 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package org.kohsuke.stapler.jelly;

import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
import org.apache.commons.jelly.JellyTagException;
import org.apache.commons.jelly.Script;
import org.kohsuke.stapler.MetaClass;
import org.kohsuke.stapler.StaplerRequest;
import org.kohsuke.stapler.StaplerResponse;
import org.kohsuke.stapler.WebApp;

import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import java.io.IOException;

/**
 * @author Kohsuke Kawaguchi
 */
public final class JellyRequestDispatcher implements RequestDispatcher {
    private final Object it;
    private final Script script;
    private final JellyFacet facet;

    public JellyRequestDispatcher(Object it, Script script) {
        this.it = it;
        this.script = script;
        facet = WebApp.getCurrent().getFacet(JellyFacet.class);
    }

    public void forward(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {
        try {
            facet.scriptInvoker.invokeScript(
                (StaplerRequest)servletRequest,
                (StaplerResponse)servletResponse,
                script, it);
        } catch (JellyTagException e) {
            throw new ServletException(e);
        }
    }

    @SuppressFBWarnings(value = "REQUESTDISPATCHER_FILE_DISCLOSURE", justification = "Forwarding the request to be handled correctly.")
    public void include(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {
        forward(servletRequest,servletResponse);
    }
}