de.sekmi.li2b2.services.WorkplaceService Maven / Gradle / Ivy

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This project emulates the core components of an i2b2 server backend. Basic functionality of PM, CRC, ONT and WORK cells allows the official i2b2 webclient to connect ot this emulated server.
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package de.sekmi.li2b2.services;

import java.io.InputStream;
import java.util.Collections;
import java.util.logging.Logger;

import javax.inject.Inject;
import javax.ws.rs.POST;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Element;

import de.sekmi.li2b2.api.work.WorkplaceItem;
import de.sekmi.li2b2.hive.HiveException;
import de.sekmi.li2b2.hive.HiveRequest;
import de.sekmi.li2b2.hive.HiveResponse;
import de.sekmi.li2b2.hive.I2b2Constants;
import de.sekmi.li2b2.services.token.TokenManager;

@Path(WorkplaceService.SERVICE_PATH)
@Cell(id="WORK")
public class WorkplaceService extends AbstractService{
	private static final Logger log = Logger.getLogger(WorkplaceService.class.getName());
	public static final String SERVICE_PATH="/i2b2/services/WorkplaceService/";

	private TokenManager tokens;

	public WorkplaceService() throws HiveException {
		super();
	}

	@Inject
	public void setTokenManager(TokenManager manager){
		this.tokens = manager;
	}
	@Override
	public TokenManager getTokenManager(){
		return this.tokens;
	}

	private String visualAttributesForItem(WorkplaceItem item){
		if( item.isFolder() ){
			return "FA ";
		}else{
			return "ZA ";
		}
		// TODO allow more types
	}
	private void addFoldersBody(HiveResponse response, String parentIndex, Iterable items){
		Element el = response.addBodyElement(I2b2Constants.WORK_NS, "folders");
		el.setPrefix("ns4");
		for( WorkplaceItem item : items ){
			Element c = (Element)el.appendChild(el.getOwnerDocument().createElement("folder"));
//			appendTextElement(c, "level", lev);
			appendTextElement(c, "name", item.getDisplayName());
			if( item.getUserId() != null ){
				appendTextElement(c, "user_id", item.getUserId());
			}
			if( item.getGroupId() != null ){
				appendTextElement(c, "group_id", item.getGroupId());				
			}
			appendTextElement(c, "protected_access", "N");
			appendTextElement(c, "share_id", "N");
			appendTextElement(c, "index", item.getId());
			if( parentIndex != null ){
				// e.g. not needed for top level folders (=categories)
				appendTextElement(c, "parent_index", parentIndex);
			}
			appendTextElement(c, "visual_attributes", visualAttributesForItem(item));
			if( item.getDescription() != null ){
				appendTextElement(c, "tooltip", item.getDescription());
			}
			// add XML if available
			Element xml = item.getXml();
			if( xml != null ){
				// TODO implement
			}
		
			// type
			appendTextElement(c, "work_xml_i2b2_type", item.getType());
		}		
	}

	@POST
	@Produces(MediaType.APPLICATION_XML)
	@Path("getFoldersByUserId")
	public Response getFoldersByUserId(InputStream requestBody) throws HiveException, ParserConfigurationException{
		HiveRequest req = parseRequest(requestBody);
		log.info("Listing workplace root folders");
		Element el = req.requireBodyElement(I2b2Constants.WORK_NS, "get_folders_by_userId");
		el.getAttribute("type"); // usually with value 'core'
		// el does not contain any useful information, 
		// we need to use the user id/domain from the authenticated user
		HiveResponse resp = createResponse(newDocumentBuilder(), req);
//		addFoldersBody(resp, null, Collections.emptyList());
		addFoldersBody(resp, null, Collections.singletonList(new WorkplaceItem(){

			@Override
			public String getId() {
				return "ABC";
			}

			@Override
			public String getDisplayName() {
				// TODO Auto-generated method stub
				return "Example folder";
			}

			@Override
			public String getUserId() {
				return "demo";
			}

			@Override
			public String getGroupId() {
				return null;
			}

			@Override
			public boolean isFolder() {
				// TODO Auto-generated method stub
				return true;
			}

			@Override
			public String getType() {
				return I2B2_FOLDER;
			}

			@Override
			public Element getXml() {
				return null;
			}

			@Override
			public String getDescription() {
				return "Example description";
			}}));
		return Response.ok(compileResponseDOM(resp)).build();
	}
	// TODO getChildren
	// TODO addChild
	// TODO moveChild
	
	@Override
	public String getCellId() {
		return "WORK";
	}
}