FirealarmClient.java

package org.wso2.iot.firealarm.access.api;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.GetMethod;
import org.apache.commons.httpclient.methods.PostMethod;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.IOException;
import java.util.ArrayList;

public class FirealarmClient {

	//	private String endpoint="http://192.168.57.128:8281/firealarm/1.0";
//	private String endpoint="http://localhost:8281/virtual_firealarm/1.0";
	private String IoT_SERVER_ENDPOINT = "http://localhost:9763/virtual_firealarm";
	private String BULB_CONTEXT = "/controller/bulb/";
	private String TEMPERATURE_CONTEXT = "/controller/readtemperature";
	private String HUMIDITY_CONTEXT = "/controller/readsonar";
	private String DEVICE_CONTEXT = "/manager/devices/";

	public String switchBulb(String accessToken, String username, String deviceId, String state,
	                         String protocol) {
		HttpClient httpClient = new HttpClient();
		PostMethod postMethod = new PostMethod(IoT_SERVER_ENDPOINT + BULB_CONTEXT + state);
		postMethod.addRequestHeader("owner", username);
		postMethod.addRequestHeader("deviceId", deviceId);
		postMethod.addRequestHeader("protocol", protocol);
		postMethod.addRequestHeader("Authorization", "Bearer " + accessToken);
//		postMethod.addRequestHeader("Content-Type", "application/x-www-form-urlencoded");

		try {
			httpClient.executeMethod(postMethod);
			int statusCode = postMethod.getStatusCode();
			if (statusCode == 200) {
				return "Successfully Sent";
			}
			return "Failed, Try again";
		} catch (IOException e) {
			return "Connection Failure,Try again later";
		}
	}


	public String getTemperature(String accessToken, String username, String deviceId,
	                             String protocol) {
		HttpClient httpClient = new HttpClient();

		GetMethod getMethod = new GetMethod(IoT_SERVER_ENDPOINT + TEMPERATURE_CONTEXT);
		getMethod.addRequestHeader("owner", username);
		getMethod.addRequestHeader("deviceId", deviceId);
		getMethod.addRequestHeader("protocol", protocol);
		getMethod.addRequestHeader("Authorization", "Bearer " + accessToken);
		//getMethod.addRequestHeader("Content-Type", "application/x-www-form-urlencoded");

		try {
			httpClient.executeMethod(getMethod);
			return getMethod.getResponseBodyAsString();
		} catch (IOException e) {
			return "Connection Failure,Try again later";
		}
	}


	public String getHumidity(String accessToken, String username, String deviceId,
	                          String protocol) {
		HttpClient httpClient = new HttpClient();

		GetMethod getMethod = new GetMethod(IoT_SERVER_ENDPOINT + HUMIDITY_CONTEXT);
		getMethod.addRequestHeader("owner", username);
		getMethod.addRequestHeader("deviceId", deviceId);
		getMethod.addRequestHeader("protocol", protocol);
		getMethod.addRequestHeader("Authorization", "Bearer " + accessToken);
		//getMethod.addRequestHeader("Content-Type", "application/x-www-form-urlencoded");

		try {
			httpClient.executeMethod(getMethod);
			return getMethod.getResponseBodyAsString();
		} catch (IOException e) {
			return "Connection Failure,Try again later";
		}
	}

	public ArrayList<Device> getDevice(String accessToken, String username) {
		HttpClient httpClient = new HttpClient();

		GetMethod getMethod = new GetMethod(IoT_SERVER_ENDPOINT + DEVICE_CONTEXT + username);
		getMethod.addRequestHeader("Authorization", "Bearer " + accessToken);
		getMethod.addRequestHeader("Content-Type", "application/x-www-form-urlencoded");

		try {
			httpClient.executeMethod(getMethod);
			String response = getMethod.getResponseBodyAsString();
			JSONArray jsonArray = new JSONArray(response);
			ArrayList<Device> deviceArray = new ArrayList<Device>();
			if (jsonArray != null) {
				for (int i = 0; i < jsonArray.length(); i++) {
					JSONObject jsonObject = jsonArray.getJSONObject(i);
					deviceArray.add(new Device(jsonObject.getString("deviceIdentifier"),
					                           jsonObject.getString("name")));
				}
			}
			return deviceArray;
		} catch (JSONException e) {
			return null;
		} catch (IOException e) {
			return null;
		}

	}


}