updates to include gemet service for VIVO search

This commit is contained in:
hjkhjk54 2011-12-01 17:14:24 +00:00
parent f92ef300da
commit 405c399a92
9 changed files with 231 additions and 500 deletions

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@ -1,2 +1,3 @@
<http://link.informatics.stonybrook.edu/umls> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Thing> .
<http://aims.fao.org/aos/agrovoc/agrovocScheme> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Thing> .
<http://aims.fao.org/aos/agrovoc/agrovocScheme> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Thing> .
<http://www.eionet.europa.eu/gemet/gemetThesaurus> <http://www.w3.org/1999/02/22-rdf-syntax-ns#type> <http://www.w3.org/2002/07/owl#Thing> .

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<http://link.informatics.stonybrook.edu/umls> <http://www.w3.org/2000/01/rdf-schema#label> "UMLS"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://aims.fao.org/aos/agrovoc/agrovocScheme> <http://www.w3.org/2000/01/rdf-schema#label> "Agrovoc"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://aims.fao.org/aos/agrovoc/agrovocScheme> <http://www.w3.org/2000/01/rdf-schema#label> "AGROVOC"^^<http://www.w3.org/2001/XMLSchema#string> .
<http://www.eionet.europa.eu/gemet/gemetThesaurus> <http://www.w3.org/2000/01/rdf-schema#label> "GEMET"^^<http://www.w3.org/2001/XMLSchema#string> .

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package edu.cornell.mannlib.semservices.service.impl;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.StringWriter;
import java.net.MalformedURLException;
import java.net.URL;
import java.rmi.RemoteException;
import java.util.ArrayList;
import java.util.List;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.rpc.ServiceException;
import net.sf.json.JSONArray;
import net.sf.json.JSONObject;
import net.sf.json.JSONSerializer;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.fao.gilw.aims.webservices.AgrovocWS;
import org.fao.gilw.aims.webservices.AgrovocWSServiceLocator;
import org.w3c.dom.Attr;
import org.w3c.dom.Document;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.w3c.dom.NodeList;
import org.xml.sax.SAXException;
import edu.cornell.mannlib.semservices.bo.Concept;
import edu.cornell.mannlib.semservices.service.ExternalConceptService;
import edu.cornell.mannlib.semservices.util.XMLUtils;
public class GemetService implements ExternalConceptService {
protected final Log logger = LogFactory.getLog(getClass());
private final String GemetWS_address = "http://www.eionet.europa.eu/gemet/";
private final String narrowerUri = "http://www.w3.org/2004/02/skos/core%23narrower";
private final String broaderUri = "http://www.w3.org/2004/02/skos/core%23broader";
private final String relatedUri = "http://www.w3.org/2004/02/skos/core%23related";
private final String definitionUri = "http://www.w3.org/2004/02/skos/core%23definition";
private final String prefLabelUri = "http://www.w3.org/2004/02/skos/core%23prefLabel";
private final String scopeNoteUri = "http://www.w3.org/2004/02/skos/core%23scopeNote";
private final String altLabelUri = "http://www.w3.org/2004/02/skos/core%23altLabel";
private final String exampleUri = "http://www.w3.org/2004/02/skos/core%23example";
private final String acronymLabelUri = "http://www.w3.org/2004/02/skos/core%23acronymLabel";
public List<Concept> processResults(String term) {
List<Concept> conceptList = new ArrayList<Concept>();
String results = getConceptsMatchingKeyword(term);
conceptList = processOutput(results);
return conceptList;
}
/**
* @param results
* @return
*/
private List<Concept> processOutput(String results) {
List<Concept> conceptList = new ArrayList<Concept>();
try {
JSONArray jsonArray = (JSONArray) JSONSerializer.toJSON( results );
for (int i = 0; i < jsonArray.size(); i++) {
Concept concept = new Concept();
concept
.setDefinedBy("http://www.eionet.europa.eu/gemet/gemetThesaurus");
concept.setBestMatch("true");
JSONObject json = jsonArray.getJSONObject(i);
String uri = getJsonValue(json, "uri");
concept.setUri(uri);
concept.setConceptId(uri);
if (json.has("preferredLabel")) {
JSONObject preferredLabelObj = json
.getJSONObject("preferredLabel");
if (preferredLabelObj.has("string")) {
concept.setLabel(getJsonValue(preferredLabelObj,
"string"));
}
}
if (json.has("definition")) {
JSONObject definitionObj = json.getJSONObject("definition");
if (definitionObj.has("string")) {
concept.setDefinition(getJsonValue(definitionObj,
"string"));
}
}
conceptList.add(concept);
}
} catch (Exception ex ) {
ex.printStackTrace();
logger.error("Could not get concepts", ex);
}
return conceptList;
}
/**
* Get a string from a json object or an empty string if there is no value for the given key
* @param obj
* @param key
* @return
*/
protected String getJsonValue(JSONObject obj, String key) {
if (obj.has(key)) {
return obj.getString(key);
} else {
return new String("");
}
}
protected String getAvailableLangs(String concept_uri) {
String result = new String();
String serviceUrl = GemetWS_address + "getAvailableLanguages" +
"?concept_uri=" + concept_uri;
result = getGemetResults(serviceUrl);
return result;
}
protected String getConcept(String concept_uri) {
String result = new String();
String serviceUrl = GemetWS_address + "getConcept" +
"?concept_uri=" + concept_uri +
"&language=en";
result = getGemetResults(serviceUrl);
return result;
}
protected String getAllTranslationsForConcept(String concept_uri, String property) {
String result = new String();
String property_uri = new String();
if (property.equals("definition")) {
property_uri = definitionUri;
} else if (property.equals("preferredLabel")) {
property_uri = prefLabelUri;
} else if (property.equals("scopeNote")) {
property_uri = scopeNoteUri;
} else if (property.equals("nonPreferredLabels")) {
property_uri = altLabelUri;
} else if (property.equals("example")) {
property_uri = exampleUri;
} else if (property.equals("acronymLabel")) {
property_uri = acronymLabelUri;
}
String serviceUrl = GemetWS_address + "getAllTranslationsForConcept" +
"?concept_uri=" + concept_uri +
"&property_uri=" + property_uri +
"&language=en";
result = getGemetResults(serviceUrl);
return result;
}
protected String getRelatedConcepts(String concept_uri, String relation) {
String result = new String();
String relation_uri = new String();
if (relation.equals("broader")) {
relation_uri = broaderUri;
} else if (relation.equals("narrower")) {
relation_uri = narrowerUri;
} else if (relation.equals("related")) {
relation_uri = relatedUri;
}
String serviceUrl = GemetWS_address + "getRelatedConcepts" +
"?concept_uri=" + concept_uri +
"&relation_uri=" + relation_uri +
"&language=en";
result = getGemetResults(serviceUrl);
return result;
}
protected String getConceptsMatchingKeyword(String keyword) {
String result = new String();
String serviceUrl = GemetWS_address + "getConceptsMatchingKeyword" +
"?keyword=" + keyword +
"&search_mode=0" +
"&thesaurus_uri=http://www.eionet.europa.eu/gemet/concept/" +
"&language=en";
result = getGemetResults(serviceUrl);
return result;
}
protected String getGemetResults(String url) {
String results = new String();
//System.out.println("url: "+url);
try {
StringWriter sw = new StringWriter();
URL serviceUrl = new URL(url);
BufferedReader in = new BufferedReader(new InputStreamReader(serviceUrl.openStream()));
String inputLine;
while ((inputLine = in.readLine()) != null) {
sw.write(inputLine);
}
in.close();
results = sw.toString();
} catch (Exception ex) {
logger.error("error occurred in servlet", ex);
return null;
}
return results;
}
}

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/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.servlet;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.servlet.RequestDispatcher;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import com.hp.hpl.jena.vocabulary.XSD;
import edu.cornell.mannlib.vitro.webapp.controller.VitroHttpServlet;
import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
import edu.cornell.mannlib.vitro.webapp.edit.n3editing.configuration.EditConfiguration;
import edu.cornell.mannlib.vitro.webapp.edit.n3editing.configuration.Field;
import edu.cornell.mannlib.vitro.webapp.web.URLEncoder;
public class ProcessTerminologyController extends VitroHttpServlet {
private static final long serialVersionUID = 1L;
private static final Log log = LogFactory.getLog(ProcessTerminologyController.class);
private static final String submissionUrl = "/edit/processRdfForm2.jsp";
//Field names/variables names for n3 - these will have numbers added as suffix if more than one term
private static String referencedBase = "referencedTerm";
private static String entryBase = "entryTerm";
private static String labelBase = "termLabel";
private static String typeBase = "termType";
//String datatype
private static String xsdStringType = XSD.xstring.toString();
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
super.doPost(req, resp);
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
super.doGet(req, resp);
VitroRequest vreq = new VitroRequest(req);
try{
EditConfiguration editConfig = EditConfiguration.getConfigFromSession(req.getSession(), req);
//For query parameters, check whether CUI
String[] termsArray = new String[1];
String referencedTerms = vreq.getParameter("referencedTerm");
if(referencedTerms.indexOf(",") != -1) {
termsArray = referencedTerms.split(",");
}
int numberTerms = termsArray.length;
log.debug("Number of terms included is " + numberTerms);
//if multiple values then need to process this differently by adding additional
//fields, assertions, etc. as well as changing the URL slightly
String url = "/edit/processRdfForm2.jsp?" + vreq.getQueryString();
if(numberTerms > 1) {
//Add new resources, i.e. the additional terminology context nodes
addNewResources(editConfig, vreq, numberTerms);
//Add N3Required
addN3Required(editConfig,vreq, numberTerms);
//Add URIs on Form and Add Literals On Form
addLiteralsAndUrisOnForm(editConfig, vreq, numberTerms);
//Add fields
addFields(editConfig, vreq, numberTerms);
//Generate new url which will map input fields to value
url = generateUrl(editConfig, vreq);
}
log.debug("Submitting to url using the following parameters " + url);
RequestDispatcher dispatcher = req.getRequestDispatcher(url);
dispatcher.forward(req, resp);
} catch(Exception ex) {
log.error("error occurred in servlet", ex);
}
}
private String generateUrl(EditConfiguration editConfig, VitroRequest vreq) {
//Get original url and query string
String newUrl = "/edit/processRdfForm2.jsp?" + vreq.getQueryString();
//Iterate through the terms and include appropriate values
Map <String,String[]> queryParameters = null;
queryParameters = vreq.getParameterMap();
//Use same query parameters to forward
String termParam = vreq.getParameter("referencedTerm");
String labelParam = vreq.getParameter("termLabel");
String typeParam = vreq.getParameter("termType");
if(!labelParam.contains(",")){
log.error("Multiple labels are not being sent back, this is an error");
}
if(!typeParam.contains(",")) {
log.error("Multiple types are not being sent back, this is an error");
}
String[] termsArray = termParam.split(",");
String[] termLabels = labelParam.split(",");
String[] termTypes = typeParam.split(",");
int numberParameters = termsArray.length;
int index;
//Should already include entry term so no need to include here
//If that changes, then add entry term here
//String entryTerm = vreq.getParameter("entryTerm");
//newUrl += "&entryTerm=" + URLEncoder.encode(entryTerm);
//Process values and generate url matching field name to value
for(index = 1; index <= numberParameters; index++) {
String referencedInputName = referencedBase + index;
String termLabelInputName = labelBase + index;
String termTypeInputName =typeBase + index;
//array is set to start at 0, not 1
String referencedTerm = termsArray[index - 1];
String termLabel = termLabels[index - 1];
String termType = termTypes[index - 1];
newUrl += "&" + referencedInputName + "=" + URLEncoder.encode(referencedTerm);
newUrl += "&" + termLabelInputName + "=" + URLEncoder.encode(termLabel);
newUrl += "&" + termTypeInputName + "=" + URLEncoder.encode(termType);
}
return newUrl;
}
private void addNewResources(EditConfiguration editConfig, VitroRequest vreq, int numberTerms) {
Map<String, String> newResources = new HashMap<String, String>();
//Based on number of terms, add new
int n;
String defaultNamespace = "";
String base = "terminologyContextNode";
for(n = 1; n <= numberTerms; n++) {
String newNode = base + n;
newResources.put(newNode, defaultNamespace);
}
//TODO: Check if below is required as this is a reference
editConfig.setNewResources(newResources);
}
/*
* "referencedTerm" : {
"newResource" : "false",
"validators" : [ "nonempty" ],
"optionsType" : "UNDEFINED", //UNSURE WHAT TO KEEP HERE
"literalOptions" : [ ],
"predicateUri" : "",
"objectClassUri" : "",
"rangeDatatypeUri" : "",
"rangeLang" : "",
"assertions" : [ "${n3ForTerminology}" ]
},
"entryTerm" : {
"newResource" : "false",
"validators" : [ "nonempty" ],
"optionsType" : "UNDEFINED",
"literalOptions" : [ ],
"predicateUri" : "",
"objectClassUri" : "",
"rangeDatatypeUri" : "${stringDatatypeUriJson}",
"rangeLang" : "",
"assertions" : [ "${n3ForTerminology}" ]
},
"termLabel" : {
"newResource" : "false",
"validators" : [ "nonempty" ],
"optionsType" : "UNDEFINED",
"literalOptions" : [ ],
"predicateUri" : "",
"objectClassUri" : "",
"rangeDatatypeUri" : "${stringDatatypeUriJson}",
"rangeLang" : "",
"assertions" : [ "${n3ForTerminology}" ]
}
,"termType" : {
"newResource" : "false",
"validators" : [ "nonempty" ],
"optionsType" : "UNDEFINED",
"literalOptions" : [ ],
"predicateUri" : "",
"objectClassUri" : "",
"rangeDatatypeUri" : "${stringDatatypeUriJson}",
"rangeLang" : "",
"assertions" : [ "${n3ForTerminology}" ]
}
*/
private void addFields(EditConfiguration editConfig, VitroRequest vreq, int numberTerms) {
Map<String, Field> fieldMap = new HashMap<String, Field>();
int index;
//Entry only needs to be added once
fieldMap.put(entryBase, generateField(editConfig, xsdStringType));
//First one already included so add new ones here
for(index = 1; index <= numberTerms; index++) {
int suffix = index;
String referencedTerm = referencedBase + suffix;
String label = labelBase + suffix;
String type = typeBase + suffix;
//Generate Field for each
fieldMap.put(referencedTerm, generateField(editConfig, null));
fieldMap.put(label, generateField(editConfig, xsdStringType));
fieldMap.put(type, generateField(editConfig, xsdStringType));
}
editConfig.setFields(fieldMap);
}
/*
"newResource" : "false",
"validators" : [ "nonempty" ],
"optionsType" : "UNDEFINED",
"literalOptions" : [ ],
"predicateUri" : "",
"objectClassUri" : "",
"rangeDatatypeUri" : "",
"rangeLang" : "",
"assertions" : [ "${n3ForTerminology}" ]*/
private Field generateField(EditConfiguration editConfig, String dataType) {
List<String> n3Required = editConfig.getN3Required();
Field field = new Field();
field.setNewResource(false);
List<String> validators = new ArrayList<String>();
validators.add("nonempty");
field.setValidators(validators);
field.setOptionsType("UNDEFINED");
field.setLiteralOptions(new ArrayList<List<String>>());
field.setPredicateUri("");
field.setObjectClassUri("");
if(dataType == null || dataType.isEmpty()) {
field.setRangeLang("");
field.setRangeDatatypeUri("");
} else {
field.setRangeDatatypeUri(dataType);
}
field.setAssertions(n3Required);
return field;
}
//Original uris and literals included:
/*
* "urisOnForm" : [ "referencedTerm" ],
"literalsOnForm" : [ "entryTerm", "termLabel" ],
*/
private void addLiteralsAndUrisOnForm(EditConfiguration editConfig,
VitroRequest vreq, int numberTerms) {
List<String> urisOnForm = new ArrayList<String>();
List<String> literalsOnForm = new ArrayList<String>();
int index;
//entry term needs to be added only once
literalsOnForm.add(entryBase);
//First one already included so add new ones here
for(index = 1; index <= numberTerms; index++) {
int suffix = index;
String referencedTerm = referencedBase + suffix;
String label = labelBase + suffix;
String type = typeBase + suffix;
urisOnForm.add(referencedTerm);
literalsOnForm.add(label);
literalsOnForm.add(type);
}
editConfig.setUrisOnform(urisOnForm);
editConfig.setLiteralsOnForm(literalsOnForm);
}
//original n3 required is of this format
/*@prefix core: <${vivoCore}> .
?subject ?predicate ?terminologyContextNode .
?terminologyContextNode core:referencedTerm ?referencedTerm .
?terminologyContextNode core:entryTerm ?entryTerm .
?terminologyContextNode core:termLabel ?termLabel .
*/
private void addN3Required(EditConfiguration editConfig, VitroRequest vreq, int numberTerms) {
//List<String> n3Required = editConfig.getN3Required();
List<String> n3Required = new ArrayList<String>();
int index;
String nodeBase = "?terminologyContextNode";
String entryVar = "?" + entryBase;
String referencedVar = "?" + referencedBase;
String labelVar = "?" + labelBase;
String typeVar = "?" + typeBase;
String prefixStr = "@prefix core: <http://vivoweb.org/ontology/core#> .";
//First one already included so add new ones here
for(index = 1; index <= numberTerms; index++) {
int suffix = index;
String node = nodeBase + suffix;
String referencedTerm = referencedVar + suffix;
String label = labelVar + suffix;
String type = typeVar + suffix;
String n3String = prefixStr;
n3String += "?subject ?predicate " + node + " . " +
node + " core:entryTerm " + entryVar + " . " +
node + " core:termLabel " + label + " . " +
node + " core:termType " + type + " . " +
node + " core:referencedTerm " + referencedTerm + " . ";
n3Required.add(n3String);
}
editConfig.setN3Required(n3Required);
}
}

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/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.servlet;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URL;
import javax.servlet.ServletException;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import edu.cornell.mannlib.vitro.webapp.controller.VitroHttpServlet;
import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
import edu.cornell.mannlib.vitro.webapp.web.URLEncoder;
public class UMLSTerminologyAnnotation extends VitroHttpServlet {
private static final long serialVersionUID = 1L;
private static final Log log = LogFactory.getLog(UMLSTerminologyAnnotation.class);
private static final String submissionUrl = "http://link.informatics.stonybrook.edu/MeaningLookup/MlServiceServlet?";
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
super.doPost(req, resp);
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
super.doGet(req, resp);
VitroRequest vreq = new VitroRequest(req);
try{
//Get parameter
String entryText = vreq.getParameter("searchTerm");
log.debug("Executing UMLS term retrieval using " + entryText);
String dataUrl = submissionUrl + "textToProcess=" + URLEncoder.encode(entryText) + "&format=json";
try{
ServletOutputStream sos = resp.getOutputStream();
resp.setCharacterEncoding("UTF-8");
resp.setContentType("application/json;charset=UTF-8");
URL rss = new URL(dataUrl);
BufferedReader in = new BufferedReader(new InputStreamReader(rss.openStream()));
String inputLine;
while((inputLine = in.readLine()) != null) {
sos.println(inputLine);
}
in.close();
} catch(Exception ex) {
log.error("error occurred in servlet", ex);
}
}catch(Exception ex){
log.warn(ex,ex);
}
}
}

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@ -1,26 +0,0 @@
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.utils.ConceptSearchService;
import javax.servlet.ServletContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.JSONObject;
import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
import edu.cornell.mannlib.vitro.webapp.edit.n3editing.configuration.generators.AddRoleToPersonTwoStageGenerator;
abstract public class AbstractConceptSearch implements ConceptSearchInterface{
private Log log = LogFactory.getLog(AbstractConceptSearch.class);
public String doSearch(ServletContext context, VitroRequest vreq ) {
String searchEntry = vreq.getParameter("searchTerm");
String results = processResults(searchEntry);
return results;
}
abstract public String processResults(String searchEntry);
}

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@ -1,18 +0,0 @@
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.utils.ConceptSearchService;
import java.util.Map;
import javax.servlet.ServletContext;
import edu.cornell.mannlib.vitro.webapp.controller.VitroRequest;
import edu.cornell.mannlib.vitro.webapp.controller.freemarker.UrlBuilder;
import org.json.JSONObject;
public interface ConceptSearchInterface{
String doSearch(ServletContext context, VitroRequest vreq );
String processResults(String searchEntry);
}

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@ -22,6 +22,8 @@ public class ConceptSearchServiceUtils {
//TODO: Change this so retrieved from the system instead using a query
private static final String UMLSVocabSource = "http://link.informatics.stonybrook.edu/umls";
private static final String AgrovocVocabSource = "http://aims.fao.org/aos/agrovoc/agrovocScheme";
private static final String GemetVocabSource = "http://www.eionet.europa.eu/gemet/gemetThesaurus";
//Get the class that corresponds to the appropriate search
public static String getConceptSearchServiceClassName(String searchServiceName) {
HashMap<String, String> map = getMapping();
@ -36,7 +38,9 @@ public class ConceptSearchServiceUtils {
public static HashMap<String, String> getVocabSources() {
HashMap<String, String> map = new HashMap<String, String>();
map.put(UMLSVocabSource, "UMLS");
map.put(AgrovocVocabSource, "Agrovoc");
map.put(AgrovocVocabSource, "AGROVOC");
map.put(GemetVocabSource, "GEMET");
return map;
}
@ -47,7 +51,7 @@ public class ConceptSearchServiceUtils {
HashMap<String, String> map = new HashMap<String, String>();
map.put(UMLSVocabSource, "edu.cornell.mannlib.semservices.service.impl.UMLSService");
map.put(AgrovocVocabSource, "edu.cornell.mannlib.semservices.service.impl.AgrovocService");
map.put(GemetVocabSource, "edu.cornell.mannlib.semservices.service.impl.GemetService");
return map;
}

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@ -1,76 +0,0 @@
/* $This file is distributed under the terms of the license in /doc/license.txt$ */
package edu.cornell.mannlib.vitro.webapp.utils.ConceptSearchService;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import java.io.StringWriter;
import java.net.URL;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.json.JSONArray;
import org.json.JSONObject;
import edu.cornell.mannlib.vitro.webapp.web.URLEncoder;
public class UMLSConceptSearch extends AbstractConceptSearch{
private static final String submissionUrl = "http://link.informatics.stonybrook.edu/MeaningLookup/MlServiceServlet?";
private static final Log log = LogFactory.getLog(UMLSConceptSearch.class);
public String processResults(String searchEntry) {
String dataUrl = submissionUrl + "textToProcess=" + URLEncoder.encode(searchEntry) + "&format=json";
String results = null;
try{
StringWriter sw = new StringWriter();
URL rss = new URL(dataUrl);
BufferedReader in = new BufferedReader(new InputStreamReader(rss.openStream()));
String inputLine;
while((inputLine = in.readLine()) != null) {
sw.write(inputLine);
}
in.close();
results = sw.toString();
} catch(Exception ex) {
log.error("error occurred in servlet", ex);
}
results = processOutput(results);
return results;
}
//Returning string with
private String processOutput(String results) {
String newResults = null;
try {
JSONObject json = new JSONObject(results);
//Return label and CUID of object
if(json.has("All")) {
}
if(json.has("BestMatch")) {
JSONArray bestMatchArray = json.getJSONArray("BestMatch");
int len = bestMatchArray.length();
int i;
for(i = 0; i < len; i++) {
JSONObject o = bestMatchArray.getJSONObject(i);
String definition = o.getString("definition");
String label = o.getString("label");
String CUI = o.getString("CUI");
String type = o.getString("type");
}
}
} catch(Exception ex) {
log.error("Error making json object out of output");
}
return newResults;
}
}