import jalview.datamodel.AlignmentI;
import jalview.datamodel.DBRefSource;
import jalview.datamodel.GeneLociI;
+import jalview.datamodel.GeneLocus;
+import jalview.datamodel.Mapping;
import jalview.util.MapList;
-import java.io.BufferedReader;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Collections;
import java.util.Iterator;
import java.util.List;
+import java.util.Map;
-import org.json.simple.JSONArray;
-import org.json.simple.JSONObject;
-import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
+/**
+ * A client for the Ensembl REST service /map endpoint, to convert from
+ * coordinates of one genome assembly to another.
+ * <p>
+ * Note that species and assembly identifiers passed to this class must be valid
+ * in Ensembl. They are not case sensitive.
+ *
+ * @author gmcarstairs
+ * @see https://rest.ensembl.org/documentation/info/assembly_map
+ * @see https://rest.ensembl.org/info/assembly/human?content-type=text/xml
+ * @see https://rest.ensembl.org/info/species?content-type=text/xml
+ */
public class EnsemblMap extends EnsemblRestClient
{
private static final String MAPPED = "mapped";
}
@Override
- protected String getRequestMimeType(boolean multipleIds)
- {
- return "application/json";
- }
-
- @Override
- protected String getResponseMimeType()
- {
- return "application/json";
- }
-
- @Override
protected URL getUrl(List<String> ids) throws MalformedURLException
{
return null; // not used
String fromRef, String toRef, int[] queryRange)
{
URL url = null;
- BufferedReader br = null;
-
try
{
url = getAssemblyMapUrl(species, chromosome, fromRef, toRef, queryRange[0],
queryRange[1]);
- br = getHttpResponse(url, null);
- return (parseAssemblyMappingResponse(br));
+ return (parseAssemblyMappingResponse(url));
} catch (Throwable t)
{
System.out.println("Error calling " + url + ": " + t.getMessage());
return null;
- } finally
- {
- if (br != null)
- {
- try
- {
- br.close();
- } catch (IOException e)
- {
- // ignore
- }
- }
}
}
* @param br
* @return
*/
- protected int[] parseAssemblyMappingResponse(BufferedReader br)
+ @SuppressWarnings("unchecked")
+ protected int[] parseAssemblyMappingResponse(URL url)
{
int[] result = null;
- JSONParser jp = new JSONParser();
try
{
- JSONObject parsed = (JSONObject) jp.parse(br);
- JSONArray mappings = (JSONArray) parsed.get(MAPPINGS);
-
- Iterator rvals = mappings.iterator();
+ Iterator<Object> rvals = (Iterator<Object>) getJSON(url, null, -1, MODE_ITERATOR, MAPPINGS);
+ if (rvals == null)
+ {
+ return null;
+ }
while (rvals.hasNext())
{
// todo check for "mapped"
- JSONObject val = (JSONObject) rvals.next();
- JSONObject mapped = (JSONObject) val.get(MAPPED);
+ Map<String, Object> val = (Map<String, Object>) rvals.next();
+ Map<String, Object> mapped = (Map<String, Object>) val.get(MAPPED);
int start = Integer.parseInt(mapped.get("start").toString());
int end = Integer.parseInt(mapped.get("end").toString());
String strand = mapped.get("strand").toString();
int end, String cdsOrCdna)
{
URL url = null;
- BufferedReader br = null;
-
try
{
String domain = new EnsemblInfo().getDomain(division);
if (domain != null)
{
url = getIdMapUrl(domain, accession, start, end, cdsOrCdna);
- br = getHttpResponse(url, null);
- return (parseIdMappingResponse(br, accession, domain));
+ return (parseIdMappingResponse(url, accession, domain));
}
return null;
} catch (Throwable t)
{
System.out.println("Error calling " + url + ": " + t.getMessage());
return null;
- } finally
- {
- if (br != null)
- {
- try
- {
- br.close();
- } catch (IOException e)
- {
- // ignore
- }
- }
}
}
* @param domain
* @return
*/
- GeneLociI parseIdMappingResponse(BufferedReader br, String accession,
+ @SuppressWarnings("unchecked")
+GeneLociI parseIdMappingResponse(URL url, String accession,
String domain)
{
- JSONParser jp = new JSONParser();
try
{
- JSONObject parsed = (JSONObject) jp.parse(br);
- JSONArray mappings = (JSONArray) parsed.get(MAPPINGS);
-
- Iterator rvals = mappings.iterator();
+ Iterator<Object> rvals = (Iterator<Object>) getJSON(url, null, -1, MODE_ITERATOR, MAPPINGS);
+ if (rvals == null)
+ {
+ return null;
+ }
String assembly = null;
String chromosome = null;
int fromEnd = 0;
while (rvals.hasNext())
{
- JSONObject val = (JSONObject) rvals.next();
- JSONObject original = (JSONObject) val.get("original");
+ Map<String, Object> val = (Map<String, Object>) rvals.next();
+ Map<String, Object> original = (Map<String, Object>) val.get("original");
fromEnd = Integer.parseInt(original.get("end").toString());
- JSONObject mapped = (JSONObject) val.get(MAPPED);
+ Map<String, Object> mapped = (Map<String, Object>) val.get(MAPPED);
int start = Integer.parseInt(mapped.get("start").toString());
int end = Integer.parseInt(mapped.get("end").toString());
String ass = mapped.get("assembly_name").toString();
final String chr = chromosome;
List<int[]> fromRange = Collections.singletonList(new int[] { 1,
fromEnd });
- final MapList map = new MapList(fromRange, regions, 1, 1);
- return new GeneLociI()
- {
-
- @Override
- public String getSpeciesId()
- {
- return species == null ? "" : species;
- }
-
- @Override
- public String getAssemblyId()
- {
- return as;
- }
-
- @Override
- public String getChromosomeId()
- {
- return chr;
- }
-
- @Override
- public MapList getMap()
- {
- return map;
- }
- };
+ Mapping mapping = new Mapping(new MapList(fromRange, regions, 1, 1));
+ return new GeneLocus(species == null ? "" : species, as, chr,
+ mapping);
} catch (IOException | ParseException | NumberFormatException e)
{
// ignore