de.catma.servlet.CatmaApplicationServlet.java Source code

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Here is the source code for de.catma.servlet.CatmaApplicationServlet.java

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/*   
 *   CATMA Computer Aided Text Markup and Analysis
 *   
 *   Copyright (C) 2009-2013  University Of Hamburg
 *
 *   This program is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   This program 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 General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package de.catma.servlet;

import javax.servlet.ServletException;

import com.vaadin.server.BootstrapFragmentResponse;
import com.vaadin.server.BootstrapListener;
import com.vaadin.server.BootstrapPageResponse;
import com.vaadin.server.CustomizedSystemMessages;
import com.vaadin.server.ServiceException;
import com.vaadin.server.SessionInitEvent;
import com.vaadin.server.SessionInitListener;
import com.vaadin.server.SystemMessages;
import com.vaadin.server.SystemMessagesInfo;
import com.vaadin.server.SystemMessagesProvider;
import com.vaadin.server.VaadinServlet;

import de.catma.document.repository.RepositoryPropertyKey;

public class CatmaApplicationServlet extends VaadinServlet {

    private enum JsLib {
        //      JQUERY("jquery/jquery-1.7.2.min.js"),
        HIGHCHARTS_SL("highcharts/standalone-framework-4.0.3.js"), HIGHCHARTS("highcharts/highcharts-4.0.3.js"),
        //      EXPORTING("highcharts/exporting.js"),
        //      D3("doubletreejs/d3.min.js"),
        //      CLASSLISTSUBSTITUTE("doubletreejs/classListSubstitute.js"),
        //      DOUBLETREE("doubletreejs/DoubleTree.js"),
        //      DT_TRIE("doubletreejs/Trie.js"),
        D3("doubletreejs/d3.min.js"), CLASSLISTSUBSTITUTE("doubletreejs/classListSubstitute.min.js"), DOUBLETREE(
                "doubletreejs/DoubleTree.min.js"), DT_TRIE("doubletreejs/Trie.min.js"),;
        String relFilePath;

        private JsLib(String relFilePath) {
            this.relFilePath = relFilePath;
        }

        @Override
        public String toString() {
            return relFilePath;
        }
    }

    private enum CssLib {
        DOUBLETREE("doubletreejs/doubletree.css"),;
        String relFilePath;

        private CssLib(String relFilePath) {
            this.relFilePath = relFilePath;
        }

        @Override
        public String toString() {
            return relFilePath;
        }
    }

    private static class CatmaBootstrapListener implements BootstrapListener {
        @Override
        public void modifyBootstrapFragment(BootstrapFragmentResponse response) {
            // noop
        }

        @Override
        public void modifyBootstrapPage(BootstrapPageResponse response) {
            //         response.getDocument().head().append("<script>"
            //               + "(function(i,s,o,g,r,a,m){i['GoogleAnalyticsObject']=r;i[r]=i[r]||function(){"
            //               + "(i[r].q=i[r].q||[]).push(arguments)},i[r].l=1*new Date();a=s.createElement(o),"
            //               + "m=s.getElementsByTagName(o)[0];a.async=1;a.src=g;m.parentNode.insertBefore(a,m)"
            //               + "})(window,document,'script','//www.google-analytics.com/analytics.js','ga');"
            //               + "ga('create', 'UA-38728736-8', 'auto');"
            //               + "ga('send', 'pageview');"
            //               + "</script>");

            for (CssLib lib : CssLib.values()) {
                response.getDocument().head().append("<link rel=\"stylesheet\" href=\""
                        + response.getRequest().getContextPath() + "/VAADIN/" + lib + "\" />");
            }

            StringBuilder scriptBuilder = new StringBuilder();

            scriptBuilder.append("<script type=\"text/javascript\">\n");
            scriptBuilder.append("//<![CDATA[\n");
            for (JsLib lib : JsLib.values()) {
                scriptBuilder.append("document.write(\"<script language='javascript' src='"
                        + response.getRequest().getContextPath() + "/VAADIN/" + lib + "'><\\/script>\");\n");
            }
            scriptBuilder.append("//]]>\n</script>\n");

            response.getDocument().body().prepend(scriptBuilder.toString());
        }
    }

    @Override
    protected void servletInitialized() throws ServletException {
        super.servletInitialized();
        getService().addSessionInitListener(new SessionInitListener() {

            @Override
            public void sessionInit(SessionInitEvent event) throws ServiceException {
                event.getSession().addBootstrapListener(new CatmaBootstrapListener());
            }
        });

        getService().setSystemMessagesProvider(new SystemMessagesProvider() {
            @Override
            public SystemMessages getSystemMessages(SystemMessagesInfo systemMessagesInfo) {
                CustomizedSystemMessages messages = new CustomizedSystemMessages();
                try {
                    String problemRedirectURL = RepositoryPropertyKey.BaseURL
                            .getValue(RepositoryPropertyKey.BaseURL.getDefaultValue());

                    messages.setAuthenticationErrorURL(problemRedirectURL);
                    messages.setInternalErrorURL(problemRedirectURL);
                    messages.setSessionExpiredURL(problemRedirectURL);
                    messages.setCommunicationErrorURL(problemRedirectURL);
                    messages.setCookiesDisabledURL(problemRedirectURL);
                } catch (Exception e) {
                    e.printStackTrace();
                }
                return messages;
            }
        });

    }
}