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VIVO-485 convert datagetter to ajax call

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This commit is contained in:
tworrall 2013-11-04 14:45:43 -05:00
parent 50d788adb4
commit 6fd299301c
6 changed files with 152 additions and 83 deletions
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83
src/edu/cornell/mannlib/vitro/webapp/controller/ajax/GeoFocusResearcherCount.java Normal file
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@ -0,0 +1,83 @@
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.controller.ajax;
import java.io.IOException;
import java.lang.Integer;
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.HttpServletResponse;
import javax.servlet.http.HttpSession;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.JSONException;
import com.hp.hpl.jena.query.QuerySolution;
import com.hp.hpl.jena.query.ResultSet;
import com.hp.hpl.jena.rdf.model.RDFNode;
import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
import edu.cornell.mannlib.vitro.webapp.controller.ajax.VitroAjaxController;
import edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder;
import edu.cornell.mannlib.vitro.webapp.dao.jena.QueryUtils;
public class GeoFocusResearcherCount extends AbstractAjaxResponder {
private static final Log log = LogFactory.getLog(GeoFocusResearcherCount.class.getName());
private List<Map<String,String>> geoFocusCount;
private static String GEO_FOCUS_COUNT_QUERY = ""
+ "PREFIX core: <http://vivoweb.org/ontology/core#> \n"
+ "PREFIX foaf: <http://xmlns.com/foaf/0.1/> \n"
+ "SELECT DISTINCT (COUNT(DISTINCT ?person) AS ?count) \n"
+ "WHERE { \n"
+ " ?person a foaf:Person . \n"
+ " ?person core:geographicFocus ?focus \n"
+ "}" ;
public GeoFocusResearcherCount(HttpServlet parent, VitroRequest vreq,
HttpServletResponse resp) {
super(parent, vreq, resp);
}
@Override
public String prepareResponse() throws IOException, JSONException {
try {
geoFocusCount = getGeoFocusCount(vreq);
String response = "{ ";
for (Map<String, String> map: geoFocusCount) {
String theCount = map.get("count");
response += "\"count\": \"" + theCount + "\"";
}
response += " }";
log.debug(response);
return response;
} catch (Exception e) {
log.error("Failed geographic focus count", e);
return EMPTY_RESPONSE;
}
}
private List<Map<String,String>> getGeoFocusCount(VitroRequest vreq) {
String queryStr = GEO_FOCUS_COUNT_QUERY;
log.debug("queryStr = " + queryStr);
List<Map<String,String>> count = new ArrayList<Map<String,String>>();
try {
ResultSet results = QueryUtils.getQueryResults(queryStr, vreq);
while (results.hasNext()) {
QuerySolution soln = results.nextSolution();
count.add(QueryUtils.querySolutionToStringValueMap(soln));
}
} catch (Exception e) {
log.error(e, e);
}
return count;
}
}

88
src/edu/cornell/mannlib/vitro/webapp/controller/ajax/HomePageAjaxController.java
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@ -1,42 +1,46 @@
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.controller.ajax;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
import edu.cornell.mannlib.vitro.webapp.controller.ajax.VitroAjaxController;
/**
* Handle the AJAX functions that are specific to the "new" home page sections, at
* this point just the mapping of geographic locations.
*/
public class HomePageAjaxController extends VitroAjaxController {
private static final Log log = LogFactory
.getLog(HomePageAjaxController.class);
private static final String PARAMETER_ACTION = "action";
@Override
protected void doRequest(VitroRequest vreq, HttpServletResponse resp)
throws ServletException, IOException {
try {
String function = vreq.getParameter(PARAMETER_ACTION);
if ("getGeoFocusLocations".equals(function)) {
new GeoFocusMapLocations(this, vreq, resp).processRequest();
} else {
resp.getWriter().write("[]");
}
} catch (Exception e) {
log.error(e, e);
resp.getWriter().write("[]");
}
}
}
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.controller.ajax;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
import edu.cornell.mannlib.vitro.webapp.controller.ajax.VitroAjaxController;
/**
* Handle the AJAX functions that are specific to the "new" home page sections, at
* this point just the mapping of geographic locations.
*/
public class HomePageAjaxController extends VitroAjaxController {
private static final Log log = LogFactory
.getLog(HomePageAjaxController.class);
private static final String PARAMETER_ACTION = "action";
@Override
protected void doRequest(VitroRequest vreq, HttpServletResponse resp)
throws ServletException, IOException {
try {
String function = vreq.getParameter(PARAMETER_ACTION);
if ("getGeoFocusLocations".equals(function)) {
new GeoFocusMapLocations(this, vreq, resp).processRequest();
}
else if ("getGeoFocusResearcherCount".equals(function)) {
new GeoFocusResearcherCount(this, vreq, resp).processRequest();
}
else {
resp.getWriter().write("[]");
}
} catch (Exception e) {
log.error(e, e);
resp.getWriter().write("[]");
}
}
}