eu.prestoprime.p4gui.admin.actions.RebuildIndexServlet.java Source code

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Here is the source code for eu.prestoprime.p4gui.admin.actions.RebuildIndexServlet.java
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/**
 * RebuildIndexServlet.java
 * Author: Philip Kahle (philip.kahle@uibk.ac.at)
 * 
 * This file is part of PrestoPRIME Preservation Platform (P4).
 * 
 * Copyright (C) 2009-2012 University of Innsbruck, Austria
 *  
 * 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 eu.prestoprime.p4gui.admin.actions;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import java.util.HashMap;
import java.util.Map;

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

import org.apache.http.HttpStatus;
import org.apache.log4j.Logger;

import eu.prestoprime.p4gui.P4GUI;
import eu.prestoprime.p4gui.connection.WorkflowConnection;
import eu.prestoprime.p4gui.connection.WorkflowConnection.P4Workflow;
import eu.prestoprime.p4gui.model.User;
import eu.prestoprime.p4gui.services.auth.RoleManager;
import eu.prestoprime.p4gui.services.auth.RoleManager.USER_ROLE;
import eu.prestoprime.p4gui.services.workflow.WorkflowRequestException;
import eu.prestoprime.p4gui.util.Tools;

@WebServlet("/admin/actions/rebuildIndex")
public class RebuildIndexServlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    private static final Logger logger = Logger.getLogger(RebuildIndexServlet.class);

    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        User user = Tools.getSessionAttribute(request.getSession(), P4GUI.USER_BEAN_NAME, User.class);
        RoleManager.checkRequestedRole(USER_ROLE.producer, user.getCurrentP4Service().getRole(), response);

        logger.info("Called /admin/actions/rebuildIndex");

        // get wfID
        String wfID = "rebuild_index";

        // execute workflow
        Map<String, File> dParamsFile = new HashMap<>();

        // FIXME Setting no file here results in a BadRequest. MultipartEntity
        // (cp. executeWorkflow) without a part seems to be not allowed...
        File dummy = new File("/tmp/dummy.txt");
        if (!dummy.exists()) {
            OutputStream out = new FileOutputStream(dummy);
            out.close();
        }
        dummy.setLastModified(System.currentTimeMillis());
        dParamsFile.put("sip", dummy);
        // END WORKAROUND

        String jobID;
        try {
            jobID = WorkflowConnection.executeWorkflow(user.getCurrentP4Service(), P4Workflow.valueOf(wfID), null,
                    dParamsFile);

            if (jobID.startsWith("<html>")) { // it's the tomcat 400 page
                response.setStatus(HttpStatus.SC_INTERNAL_SERVER_ERROR);
            } else {
                response.sendRedirect(request.getContextPath() + "/admin/job?id=" + jobID);
            }
        } catch (WorkflowRequestException e) {
            e.printStackTrace();
        }
    }
}