edu.slu.tpen.servlet.ManuscriptsServlet.java Source code

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Here is the source code for edu.slu.tpen.servlet.ManuscriptsServlet.java

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/*
 * Copyright 2013 Saint Louis University. Licensed under the
 *   Educational Community License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License. You may
 * obtain a copy of the License at
 *
 * http://www.osedu.org/licenses/ECL-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS IS"
 * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing
 * permissions and limitations under the License.
 */
package edu.slu.tpen.servlet;

import java.io.IOException;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.fasterxml.jackson.databind.ObjectMapper;
import static edu.slu.util.LangUtils.buildQuickMap;
import static edu.slu.util.ServletUtils.getUID;
import static edu.slu.util.ServletUtils.reportInternalError;
import java.util.HashSet;
import java.util.Set;
import textdisplay.Folio;
import textdisplay.Manuscript;
import textdisplay.Project;
import user.User;

/**
 * Servlet to retrieve information about all a user's projects.
 *
 * @author tarkvara
 */
public class ManuscriptsServlet extends HttpServlet {

    /**
     * Handles the HTTP <code>GET</code> method, returning a list of manuscripts available to the current user.
     *
     * @param req servlet request
     * @param resp servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        int uid = getUID(req, resp);
        if (uid >= 0) {
            resp.setContentType("application/json");
            try {
                User u = new User(uid);
                Project[] projs = u.getUserProjects();
                Set<Manuscript> mss = new HashSet<>();
                for (Project p : projs) {
                    Folio[] folios = p.getFolios();
                    for (Folio f : folios) {
                        mss.add(new Manuscript(f.getFolioNumber()));
                    }
                }
                List<Map<String, Object>> result = new ArrayList<>();
                for (Manuscript ms : mss) {
                    result.add(buildQuickMap("uri", "manuscript/" + ms.getID(), "name", ms.getCollection()));
                }
                ObjectMapper mapper = new ObjectMapper();
                mapper.writeValue(resp.getOutputStream(), result);
            } catch (SQLException ex) {
                reportInternalError(resp, ex);
            }
        }
    }

    /**
     * {@inheritDoc}
     */
    @Override
    public String getServletInfo() {
        return "Manuscript List Servlet";
    }
}