Java tutorial
/* * $Date: 2012-06-22 12:23:25 -0700 (Fri, 22 June 2012) $ * $Author: dcosta $ * $Revision: 2145 $ * * Copyright 2011,2012 the University of New Mexico. * * This work was supported by National Science Foundation Cooperative * Agreements #DEB-0832652 and #DEB-0936498. * * Licensed under the Apache 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.apache.org/licenses/LICENSE-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.lternet.pasta.portal; import java.io.IOException; import javax.servlet.RequestDispatcher; import javax.servlet.ServletException; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.http.HttpSession; import org.apache.commons.configuration.PropertiesConfiguration; import org.apache.log4j.Logger; import edu.lternet.pasta.client.ResultSetUtility; import edu.lternet.pasta.portal.search.Search; import edu.lternet.pasta.portal.search.SolrAdvancedSearch; import edu.lternet.pasta.portal.search.TermsList; import edu.lternet.pasta.portal.user.SavedData; public class AdvancedSearchServlet extends DataPortalServlet { /* * Class variables */ private static final Logger logger = Logger.getLogger(edu.lternet.pasta.portal.AdvancedSearchServlet.class); private static final long serialVersionUID = 1L; private static String cwd = null; private static String xslpath = null; /* * Instance variables */ /* * Constructors */ /** * Constructor of the object. */ public AdvancedSearchServlet() { super(); } /* * Class methods */ /* * Instance methods */ /** * Destruction of the servlet. <br> */ public void destroy() { super.destroy(); // Just puts "destroy" string in log // Put your code here } /** * The doGet method of the servlet. <br> * * This method is called when a form has its tag value method equals to get. * * @param request * the request send by the client to the server * @param response * the response send by the server to the client * @throws ServletException * if an error occurred * @throws IOException * if an error occurred */ public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { doPost(request, response); } /** * The doPost method of the servlet. <br> * * This method is called when a form has its tag value method equals to post. * * @param request * the request send by the client to the server * @param response * the response send by the server to the client * @throws ServletException * if an error occurred * @throws IOException * if an error occurred */ public void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String forward = "./searchResult.jsp"; String html = ""; TermsList termsList = null; String termsListHTML = ""; String xml = null; HttpSession httpSession = request.getSession(); String uid = (String) httpSession.getAttribute("uid"); if (uid == null || uid.isEmpty()) uid = "public"; String boundaryContained = request.getParameter("boundaryContained"); String boundsChangedCount = request.getParameter("boundsChangedCount"); String dateField = request.getParameter("dateField"); String startDate = request.getParameter("startDate"); String endDate = request.getParameter("endDate"); String datesContained = request.getParameter("datesContained"); String creatorOrganization = request.getParameter("creatorOrganization"); String creatorName = request.getParameter("creatorName"); String locationName = request.getParameter("locationName"); String namedTimescale = request.getParameter("namedTimescale"); String[] siteValues = request.getParameterValues("siteValues"); String subjectField = request.getParameter("subjectField"); String subjectValue = request.getParameter("subjectValue"); String specific = request.getParameter("specific"); String related = request.getParameter("related"); String relatedSpecific = request.getParameter("relatedSpecific"); String ecotrends = request.getParameter("ecotrends"); String landsat5 = request.getParameter("landsat5"); String taxon = request.getParameter("taxon"); String identifier = request.getParameter("identifier"); String northBound = request.getParameter("northBound"); String southBound = request.getParameter("southBound"); String eastBound = request.getParameter("eastBound"); String westBound = request.getParameter("westBound"); boolean isBoundaryContainedChecked = (boundaryContained != null); boolean isDatesContainedChecked = (datesContained != null); boolean isIncludeEcotrendsChecked = (ecotrends != null); boolean isIncludeLandsat5Checked = (landsat5 != null); boolean isSpecificChecked = (specific != null); boolean isRelatedChecked = (related != null); boolean isRelatedSpecificChecked = (relatedSpecific != null); SolrAdvancedSearch solrAdvancedSearch = new SolrAdvancedSearch(creatorName, creatorOrganization, dateField, startDate, endDate, namedTimescale, siteValues, subjectField, subjectValue, isIncludeEcotrendsChecked, isIncludeLandsat5Checked, isDatesContainedChecked, isSpecificChecked, isRelatedChecked, isRelatedSpecificChecked, taxon, identifier, isBoundaryContainedChecked, boundsChangedCount, northBound, southBound, eastBound, westBound, locationName); try { xml = solrAdvancedSearch.executeSearch(uid); String queryText = solrAdvancedSearch.getQueryString(); httpSession.setAttribute("queryText", queryText); termsList = solrAdvancedSearch.getTermsList(); if ((termsList != null) && (termsList.size() > 0)) { termsListHTML = termsList.toHTML(); httpSession.setAttribute("termsListHTML", termsListHTML); } ResultSetUtility resultSetUtility = null; if (uid.equals("public")) { resultSetUtility = new ResultSetUtility(xml, Search.DEFAULT_SORT); } else { boolean isSavedDataPage = false; SavedData savedData = new SavedData(uid); resultSetUtility = new ResultSetUtility(xml, Search.DEFAULT_SORT, savedData, isSavedDataPage); } String mapButtonHTML = resultSetUtility.getMapButtonHTML(); request.setAttribute("mapButtonHTML", mapButtonHTML); //String relevanceHTML = resultSetUtility.getRelevanceHTML(); //request.setAttribute("relevanceHTML", relevanceHTML); html = resultSetUtility.xmlToHtmlTable(cwd + xslpath); request.setAttribute("searchresult", html); RequestDispatcher requestDispatcher = request.getRequestDispatcher(forward); requestDispatcher.forward(request, response); } catch (Exception e) { handleDataPortalError(logger, e); } } /** * Initialization of the servlet. <br> * * @throws ServletException * if an error occurs */ public void init() throws ServletException { PropertiesConfiguration options = ConfigurationListener.getOptions(); xslpath = options.getString("resultsetutility.xslpath"); logger.debug("XSLPATH: " + xslpath); cwd = options.getString("system.cwd"); logger.debug("CWD: " + cwd); } }