edu.lafayette.metadb.web.metadata.PrintMetadata.java Source code

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Here is the source code for edu.lafayette.metadb.web.metadata.PrintMetadata.java

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/*
  MetaDB: A Distributed Metadata Collection Tool
  Copyright 2011, Lafayette College, Eric Luhrs, Haruki Yamaguchi, Long Ho.
    
  This file is part of MetaDB.
    
MetaDB 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.
    
MetaDB 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 MetaDB.  If not, see <http://www.gnu.org/licenses/>.
 */
package edu.lafayette.metadb.web.metadata;

import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.ArrayList;
import java.util.List;

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

import org.apache.commons.lang.StringEscapeUtils;

import edu.lafayette.metadb.model.commonops.Global;
import edu.lafayette.metadb.model.commonops.MetaDbHelper;
import edu.lafayette.metadb.model.items.AdminDescItem;
import edu.lafayette.metadb.model.items.Item;
import edu.lafayette.metadb.model.items.ItemsDAO;
import edu.lafayette.metadb.model.metadata.Metadata;

/**
 * Servlet implementation class PrintMetadata
 */
public class PrintMetadata extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
     * @see HttpServlet#HttpServlet()
     */
    public PrintMetadata() {
        super();
        // TODO Auto-generated constructor stub
    }

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

    /**
     * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
     */
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        response.setContentType("text/html");
        PrintWriter out = response.getWriter();
        String output = "";
        try {
            String projname = request.getParameter("projname");
            int itemNumber = Integer.parseInt(request.getParameter("item-number"));
            output = this.getTemplate(projname, itemNumber);
        } catch (Exception e) {
            MetaDbHelper.logEvent(e);
        }
        out.println(output);
    }

    protected String getTemplate(String projname, int index) {
        StringBuilder template = new StringBuilder();

        template.append("<div style='width:95%'>");
        template.append("<table align='left' cellpadding='10' style='width:100%'>");
        template.append("<tbody>");
        template.append("<tr valign='top'>");
        template.append("<td id='image-holder' width='310px' align='center' style='width:310px'>");

        String thumbPath = ItemsDAO.getThumbFilePath(projname, index);
        String thumbName = new File(thumbPath).getName();
        String thumbFilePath = Global.PATH_PROJECT + projname + "/" + thumbName;
        template.append("<img style='max-width: 300px; max-height: 300px;' src='" + thumbFilePath + "'>");

        template.append("</td>");
        template.append("<td align='center'>");
        template.append("<p><span style='font-weight: bold;'>Project</span>:<br/>" + projname + "</p>");
        template.append("<p><span style='font-weight: bold;'>Item Number</span>:<br/>" + index + "</p>");
        template.append("<p><span style='font-weight: bold;'>Filename</span>:<br/>"
                + ShowImageMetadata.getItemInfo(projname, index) + "</p>");
        template.append("</td>");
        template.append("</tr>");
        template.append("</tbody>");
        template.append("</table>");
        template.append("</div><br/>");
        template.append("<div style='width:95%; margin-top:310px'>");

        Item item = ItemsDAO.getItem(projname, index);

        ArrayList<AdminDescItem> mdList = item.getData(Global.MD_TYPE_DESC);
        if (!mdList.isEmpty()) {
            template.append("<div><h3 style='text-decoration: underline;'>Descriptive Metadata</h3>");
            for (AdminDescItem m : mdList)
                template.append(this.getMetadataDisplay(m.getMetadata()));
            template.append("</div>");
        }

        mdList = item.getData(Global.MD_TYPE_ADMIN);
        if (!mdList.isEmpty()) {
            template.append("<div><h3 style='text-decoration: underline;'>Administrative Metadata</h3>");
            for (AdminDescItem m : mdList)
                template.append(this.getMetadataDisplay(m.getMetadata()));
            template.append("</div>");
        }

        template.append("<div><h3 style='text-decoration: underline;'>Technical Metadata</h3>");
        List<Metadata> techMD = ItemsDAO.getTechData(projname, index);
        for (Metadata m : techMD)
            template.append(this.getMetadataDisplay(m));
        template.append("</div>");

        template.append("</div>");
        return template.toString();
    }

    private String getMetadataDisplay(Metadata m) {
        String attribute = m.getElement() + "." + m.getLabel();
        return "<p><span style='font-weight: bold; padding-left:25px'>" + attribute + "</span>:</p>"
                + "<p style='padding-left:50px; margin-top:-3px'>" + StringEscapeUtils.escapeHtml(m.getData())
                + "</p>";
    }

}