com.enonic.cms.web.portal.PortalServlet.java Source code

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Here is the source code for com.enonic.cms.web.portal.PortalServlet.java

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/*
 * Copyright 2000-2013 Enonic AS
 * http://www.enonic.com/license
 */

package com.enonic.cms.web.portal;

import java.io.IOException;
import java.util.Arrays;
import java.util.List;

import javax.servlet.ServletConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.lang.StringUtils;
import org.springframework.web.context.WebApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

import com.enonic.cms.core.servlet.ServletRequestAccessor;
import com.enonic.cms.server.service.servlet.OriginalUrlResolver;

public final class PortalServlet extends HttpServlet {
    private final static List<String> ALLOWED_HTTP_METHODS = Arrays.asList("GET", "POST", "HEAD", "OPTIONS");

    private RequestDispatcher dispatcher;

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

        final ServletContext context = config.getServletContext();
        final WebApplicationContext springContext = WebApplicationContextUtils
                .getRequiredWebApplicationContext(context);
        this.dispatcher = springContext.getBean(RequestDispatcher.class);
    }

    @Override
    protected void doOptions(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setHeader("Allow", StringUtils.join(ALLOWED_HTTP_METHODS, ","));
        response.setStatus(HttpServletResponse.SC_OK);
    }

    @Override
    protected void service(final HttpServletRequest req, final HttpServletResponse res)
            throws ServletException, IOException {
        final String requestMethod = req.getMethod();

        if (!ALLOWED_HTTP_METHODS.contains(requestMethod)) {
            res.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
            return;
        }

        if (requestMethod.equals("OPTIONS")) {
            doOptions(req, res);
            return;
        }

        ServletRequestAccessor.setRequest(req);
        OriginalUrlResolver.resolveOriginalUrl(req);

        this.dispatcher.handle(req, res);
    }
}