edu.lafayette.metadb.web.projectman.imagesettings.ShowDerivativeSettings.java Source code

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Here is the source code for edu.lafayette.metadb.web.projectman.imagesettings.ShowDerivativeSettings.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.projectman.imagesettings;

import java.io.IOException;
import java.io.PrintWriter;
import java.util.HashMap;

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

import org.json.JSONException;
import org.json.JSONObject;

import edu.lafayette.metadb.model.commonops.Global;
import edu.lafayette.metadb.model.commonops.MetaDbHelper;
import edu.lafayette.metadb.model.imagemgt.DerivativeDAO;
import edu.lafayette.metadb.model.imagemgt.DerivativeSetting;
import edu.lafayette.metadb.model.projects.ProjectsDAO;

/**
 * Servlet implementation class ShowDerivativeSettings
 */
@SuppressWarnings("unchecked")
public class ShowDerivativeSettings extends HttpServlet {
    private static final long serialVersionUID = 1L;

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

        PrintWriter out = response.getWriter();
        String projname = (String) request.getSession(false).getAttribute(Global.SESSION_PROJECT);
        JSONObject output = new JSONObject();
        try {
            DerivativeSetting deriv = DerivativeDAO.getDerivativeSetting(projname, Global.DERIV_THUMB_SETTING);
            output.put(Global.DERIV_THUMB_SETTING, this.extractDerivSettings(deriv));

            deriv = DerivativeDAO.getDerivativeSetting(projname, Global.DERIV_CUSTOM_SETTING);
            output.put(Global.DERIV_CUSTOM_SETTING, this.extractDerivSettings(deriv));

            deriv = DerivativeDAO.getDerivativeSetting(projname, Global.DERIV_ZOOM_SETTING);
            output.put("zoom", this.extractDerivSettings(deriv));

            deriv = DerivativeDAO.getDerivativeSetting(projname, Global.DERIV_FULLSIZE_SETTING);
            output.put(Global.DERIV_FULLSIZE_SETTING, this.extractDerivSettings(deriv));

            output.put("hostname", ProjectsDAO.getProjectData(projname).getBaseUrl());
        } catch (JSONException e) {
            MetaDbHelper.logEvent(this.getClass().toString(), "doPost", MetaDbHelper.getStackTrace(e));
        }
        response.setContentType("application/x-json");
        out.print(output);
    }

    private JSONObject extractDerivSettings(DerivativeSetting deriv) {
        HashMap map = new HashMap();
        map.put("enabled", deriv.isEnabled());
        map.put("height", deriv.getMaxHeight());
        map.put("width", deriv.getMaxWidth());
        map.put("brand_mode", deriv.getAnnotationMode());
        map.put("brand_text", deriv.getBrand());
        map.put("text_color", deriv.getFgColor());
        map.put("background_color", deriv.getBgColor());
        return new JSONObject(map);
    }
}