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Java example source code file (DefaultResource.java)

This example Java source code file (DefaultResource.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

defaultresource, get, objecttype, path, response, sessionstorage, string

The DefaultResource.java Java example source code

package org.deeplearning4j.ui.defaults;

import org.deeplearning4j.ui.storage.SessionStorage;
import org.deeplearning4j.ui.storage.def.ObjectType;

import javax.ws.rs.*;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

/**
 * Container for the default root page, that's available for user when he open his browser and navigate to dl4j-ui
 *
 * @author raver119@gmail.com
 */
@Path("/")
@Produces(MediaType.TEXT_HTML)
public class DefaultResource {
    /**
     * So, basic idea here: main page, with links to available activities within this UIServer
     *
     */
    private SessionStorage storage = SessionStorage.getInstance();


    @GET
    @Path("/whatsup")
    @Produces(MediaType.APPLICATION_JSON)
    public Response getWhatsUp() {
        /*
         TODO: this method should return the list of available processes reported to this UIServer. And this response will be used on client-side
         Actual mechanism, probably, will use HistoryStorage, and it's ability to track active objects within
          */
        return Response.ok(storage.getSessions()).build();
    }

    @GET
    @Path("/events")
    @Produces(MediaType.APPLICATION_JSON)
    public Response getEvents() {
        return Response.ok(storage.getEvents()).build();
    }

    @GET
    @Path("/sessions")
    @Consumes(MediaType.APPLICATION_JSON)
    @Produces(MediaType.APPLICATION_JSON)
    public Response getSessions(@QueryParam("event") String event) {
        ObjectType type = ObjectType.valueOf(event);
        if (type == null) return Response.noContent().build();

        return Response.ok(storage.getSessions(type)).build();
    }
}

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