eu.morfeoproject.fast.catalogue.services.GenericServlet.java Source code

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Here is the source code for eu.morfeoproject.fast.catalogue.services.GenericServlet.java

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/**
 * Copyright (c) 2008-2011, FAST Consortium
 * 
 * This file is part of FAST Platform.
 * 
 * FAST Platform is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * FAST Platform is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Affero General Public
 * License for more details.
 * 
 * You should have received a copy of the GNU Affero General Public License
 * along with FAST Platform. If not, see <http://www.gnu.org/licenses/>.
 * 
 * Info about members and contributors of the FAST Consortium
 * is available at http://fast.morfeo-project.eu
 *
 **/
package eu.morfeoproject.fast.catalogue.services;

import java.io.IOException;

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

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;

import eu.morfeoproject.fast.catalogue.Catalogue;

public abstract class GenericServlet extends HttpServlet {

    private static final long serialVersionUID = 1L;
    protected final Log log = LogFactory.getLog(this.getClass());

    protected Catalogue getCatalogue() {
        return (Catalogue) getServletContext().getAttribute("catalogue");
    }

    /**
     * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
    }

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
    }

    /**
     * @see HttpServlet#doPut(HttpServletRequest request, HttpServletResponse response)
     */
    @Override
    protected void doPut(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
    }

    /**
     * @see HttpServlet#doDelete(HttpServletRequest request, HttpServletResponse response)
     */
    @Override
    protected void doDelete(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setStatus(HttpServletResponse.SC_METHOD_NOT_ALLOWED);
    }

    protected void redirectToFormat(HttpServletRequest request, HttpServletResponse response, String format)
            throws IOException {
        String extension = MediaType.getExtension(format);
        extension = extension == null ? MediaType.getExtension(MediaType.APPLICATION_JSON) : extension;
        String url = request.getRequestURL().toString();
        url = (url.charAt(url.length() - 1) == '/') ? url.concat(extension) : url.concat("/" + extension);
        response.sendRedirect(url);
    }

}