com.ubidots.Variable Maven / Gradle / Ivy

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package com.ubidots;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

import com.google.gson.Gson;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;

public class Variable extends ApiObject {

	Variable(Map raw, ApiClient api) {
		super(raw, api);
	}
	
	public String getName() {
		return getAttributeString("name");
	}
	
	public String getUnit() {
		return getAttributeString("unit");
	}
	
	public String getIcon() {
		return getAttributeString("icon");
	}
	
	public void remove() {
		bridge.delete("variables/" + getAttributeString("id"));
	}
	
	public Value[] getValues() {
		String json = bridge.get("variables/" + getAttributeString("id") + "/values");
		
		Gson gson = new Gson();
		List> rawValues = gson.fromJson(json, List.class);
		
		Value[] values = new Value[rawValues.size()];

		for (int i = 0; i < rawValues.size(); i++) {
			values[i] = new Value(rawValues.get(i), api);
		}
		
		return values;
	}
	
	public void saveValue(int value) {
		Map map = new HashMap();
		map.put("value", new Integer(value));
		map.put("timestamp", new Long(getTimestamp()));
		
		Gson gson = new Gson();
		String json = gson.toJson(map);
		
		bridge.post("variables/" + getAttributeString("id") + "/values", json);
	}
	
	public void saveValue(double value) {
		Map map = new HashMap();
		map.put("value", new Double(value));
		map.put("timestamp", new Long(getTimestamp()));
		
		Gson gson = new Gson();
		String json = gson.toJson(map);
		
		bridge.post("variables/" + getAttributeString("id") + "/values", json);
	}

    public void saveValue(int value, Map context) {
        Map map = new HashMap();
        
        map.put("value", new Integer(value));
        map.put("context", context);
        map.put("timestamp", new Long(getTimestamp()));

        Gson gson = new Gson();
        String json = gson.toJson(map);

        bridge.post("variables/" + getAttributeString("id") + "/values", json);
    }

    public void saveValue(double value, Map context) {
        Map map = new HashMap();

        map.put("value", new Double(value));
        map.put("context", context);
        map.put("timestamp", new Long(getTimestamp()));

        Gson gson = new Gson();
        String json = gson.toJson(map);

        bridge.post("variables/" + getAttributeString("id") + "/values", json);
    }
	
	public void saveValues(int values[], long timestamps[]) {
		double valuesDouble[] = new double[values.length];

		for (int i = 0; i < values.length; i++) {
			valuesDouble[i] = (double) values[i];
		}

		saveValues(valuesDouble, timestamps);
	}

	public void saveValues(double values[], long timestamps[]) {
		if (values == null || timestamps == null) {
			throw new NullPointerException();
		} else if (values.length != timestamps.length) {
			throw new IndexOutOfBoundsException("values[] and timestamps[] "
				+ "must have same length");
		}

		// Create a list of maps to be sent as JSON: [{...}, ...]
		List list = new ArrayList();
		for (int i = 0; i < values.length; i++) {
			Map map = new HashMap();
			map.put("value", values[i]);
			map.put("timestamp", timestamps[i]);
			list.add(map);
		}

		// Convert to JSON and POST to server
		Gson gson = new Gson();
		String json = gson.toJson(list);
		bridge.post("variables/" + getId() + "/values", json);
	}

	private long getTimestamp() {
		return System.currentTimeMillis();
	}
}