ch.ethz.inf.vs.hypermedia.corehal.block.LocationDescriptionFuture.java Source code

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Here is the source code for ch.ethz.inf.vs.hypermedia.corehal.block.LocationDescriptionFuture.java

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/*******************************************************************************
 * Copyright (c) 2016 Institute for Pervasive Computing, ETH Zurich.
 *
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * and Eclipse Distribution License v1.0 which accompany this distribution.
 *
 * The Eclipse Public License is available at
 *    http://www.eclipse.org/legal/epl-v10.html
 * and the Eclipse Distribution License is available at
 *    http://www.eclipse.org/org/documents/edl-v10.html.
 *
 * Contributors:
 *    Matthias Kovatsch - creator and main architect
 *    Yassin N. Hassan - architect and implementation
 *******************************************************************************/
package ch.ethz.inf.vs.hypermedia.corehal.block;

import ch.ethz.inf.vs.hypermedia.client.CoapRequestFuture;
import ch.ethz.inf.vs.hypermedia.corehal.model.LocationDescription;
import ch.ethz.inf.vs.hypermedia.corehal.model.ThingDescription;
import com.google.gson.JsonObject;

import java.util.List;
import java.util.Optional;
import java.util.concurrent.ExecutionException;

/**
 * Created by ynh on 06/11/15.
 */
public class LocationDescriptionFuture extends CoREHalResourceFuture<LocationDescription> {

    public LocationDescriptionFuture getChildLocation(String name) throws ExecutionException, InterruptedException {
        Optional<LocationDescriptionFuture> item = getChildren().stream().filter(x -> getLocation(x).equals(name))
                .findFirst();
        return item.isPresent() ? item.get() : null;
    }

    private String getLocation(LocationDescriptionFuture x) {
        try {
            return x.get().getLocation();
        } catch (Exception e) {
        }
        return "";
    }

    public LocationDescriptionFuture findSubLocation(String location) {
        return getLocationCrawler().locationEquals(location).one(LocationDescriptionFuture::new);
    }

    public LocationCrawler getLocationCrawler() {
        return new LocationCrawler().withContext(this);
    }

    public ThingCrawler getThingCrawler() {
        return new ThingCrawler().withContext(this);
    }

    public List<LocationDescriptionFuture> getChildren() {
        return getEmbeddedStream("child", LocationDescriptionFuture::new);
    }

    public List<ThingDescriptionFuture> getThings() {
        return getEmbeddedStream("thing", ThingDescriptionFuture::new);
    }

    public CoapRequestFuture addChildLocation(LocationDescription description) {
        JsonObject partialDescription = new JsonObject();
        partialDescription.addProperty("_self", description.getSelf(description.getSelf("")));
        partialDescription.addProperty("location", description.getLocation());
        return getFormRequest("add-child", partialDescription);
    }

    public CoapRequestFuture addThing(ThingDescription description) {
        JsonObject partialDescription = new JsonObject();
        partialDescription.addProperty("_self", description.getSelf(description.getSelf("")));
        partialDescription.addProperty("location", description.getLocation());
        return getFormRequest("add-thing", partialDescription);
    }

    public CoapRequestFuture removeThing(ThingDescription description) {
        JsonObject partialDescription = new JsonObject();
        partialDescription.addProperty("_self", description.getSelf(description.getSelf("")));
        partialDescription.addProperty("location", description.getLocation());
        return getFormRequest("remove-thing", partialDescription);
    }
}