org.bridgedb.server.Xrefs Maven / Gradle / Ivy
// BridgeDb,
// An abstraction layer for identifier mapping services, both local and online.
// Copyright 2006-2009 BridgeDb developers
//
// 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 org.bridgedb.server;
import java.util.Set;
import org.bridgedb.DataSource;
import org.bridgedb.IDMapper;
import org.bridgedb.Xref;
import org.restlet.data.Status;
import org.restlet.resource.Get;
import org.restlet.resource.ResourceException;
/**
* Resource that handles the xref queries
*/
public class Xrefs extends IDMapperResource {
Xref xref;
DataSource targetDs;
protected void doInit() throws ResourceException {
super.doInit();
try {
System.out.println( "Xrefs.doInit start" );
//Required parameters
String id = urlDecode((String)getRequest().getAttributes().get(IDMapperService.PAR_ID));
String dsName = urlDecode((String)getRequest().getAttributes().get(IDMapperService.PAR_SYSTEM));
DataSource dataSource = parseDataSource(dsName);
if(dataSource == null) {
throw new IllegalArgumentException("Unknown datasource: " + dsName);
}
xref = new Xref(id, dataSource);
//Optional parameters
String targetDsName = (String)getRequest().getAttributes().get(IDMapperService.PAR_TARGET_SYSTEM);
if(targetDsName != null) {
targetDs = parseDataSource(urlDecode(targetDsName));
}
} catch(Exception e) {
throw new ResourceException(e);
}
}
@Get
public String getXrefs() {
System.out.println( "Xrefs.getXrefs() start" );
try {
//The result set
IDMapper mapper = getIDMappers();
Set xrefs;
if (targetDs == null)
xrefs = mapper.mapID(xref);
else
xrefs = mapper.mapID(xref, targetDs);
StringBuilder result = new StringBuilder();
for(Xref x : xrefs) {
result.append(x.getId());
result.append("\t");
result.append(x.getDataSource().getFullName());
result.append("\n");
}
return result.toString();
} catch(Exception e) {
e.printStackTrace();
setStatus(Status.SERVER_ERROR_INTERNAL);
return e.getMessage();
}
}
}