org.umlg.runtime.restlet.QueryExecuteServerResourceImpl Maven / Gradle / Ivy

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package org.umlg.runtime.restlet;

import org.restlet.ext.json.JsonRepresentation;
import org.restlet.representation.Representation;
import org.restlet.representation.StringRepresentation;
import org.restlet.resource.ResourceException;
import org.umlg.runtime.adaptor.UMLG;
import org.umlg.runtime.adaptor.UmlgExceptionUtilFactory;
import org.umlg.runtime.adaptor.UmlgQueryEnum;
import org.umlg.runtime.restlet.util.UmlgURLDecoder;

/**
 * Date: 2013/10/19
 * Time: 10:47 AM
 */
public class QueryExecuteServerResourceImpl extends BaseQueryExecutionServerResourceImpl {

    /**
     * default constructor for QueryExecuteServerResourceImpl
     */
    public QueryExecuteServerResourceImpl() {
        setNegotiated(false);
    }

    @Override
    public Representation get() throws ResourceException {
        String type = getQuery().getFirstValue("type");
        String query = getQuery().getFirstValue("query");
        String contextClassifierQualifiedName = getQuery().getFirstValue("contextClassifierQualifiedName");
        String contextId = (String) getRequestAttributes().get("contextId");
        UmlgQueryEnum queryEnum = UmlgQueryEnum.valueOf(type);
        switch (queryEnum) {
            case GROOVY:
                String result;
                if (contextId != null) {
                    contextId = UmlgURLDecoder.decode(contextId);
                    result = UMLG.get().executeQueryToJson(queryEnum, contextId, query);
                } else {
                    result = UMLG.get().executeQueryToJson(queryEnum, contextClassifierQualifiedName, query);
                }
                return new StringRepresentation(result);
            case OCL:
                String json;
                if (contextId != null) {
                    contextId = UmlgURLDecoder.decode(contextId);
                    json = UMLG.get().executeQueryToJson(queryEnum, contextId, query);
                } else {
                    json = UMLG.get().executeQueryToJson(queryEnum, contextClassifierQualifiedName, query);
                }
                return new JsonRepresentation(json);
            case NATIVE:
                if (contextId != null) {
                    contextId = UmlgURLDecoder.decode(contextId);
                    result = UMLG.get().executeQueryToJson(queryEnum, contextId, query);
                } else {
                    result = UMLG.get().executeQueryToJson(queryEnum, contextClassifierQualifiedName, query);
                }
                return new JsonRepresentation(result);
            default:
                throw new IllegalStateException("Unhandled UmlgQueryEnum " + queryEnum.name());
        }

//        if (type.equalsIgnoreCase("groovy")) {
//            try {
//                Representation result;
//                if (contextId != null) {
//                    contextId = UmlgURLDecoder.decode(contextId);
//                    result = execute(query, contextId, type);
//                } else {
//                    result = executeStatic(query, contextClassifierQualifiedName, type);
//                }
//                UMLG.get().rollback();
//                return result;
//            } catch (Exception e) {
//                UMLG.get().rollback();
//                throw UmlgExceptionUtilFactory.getTumlExceptionUtil().handle(e);
//            }
//        } else {
//            try {
//                Representation result;
//                if (contextId != null) {
//                    contextId = UmlgURLDecoder.decode(contextId);
//                    result = execute(query, contextId, type);
//                } else {
//                    result = executeStatic(query, contextClassifierQualifiedName, type);
//                }
//                return result;
//            } finally {
//                UMLG.get().rollback();
//            }
//        }
    }

}