2 * Copyright (c) 2010-2024 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.senechome.internal;
15 import java.io.IOException;
16 import java.util.Objects;
17 import java.util.concurrent.ExecutionException;
18 import java.util.concurrent.TimeoutException;
20 import org.eclipse.jdt.annotation.NonNullByDefault;
21 import org.eclipse.jetty.client.HttpClient;
22 import org.eclipse.jetty.client.api.ContentResponse;
23 import org.eclipse.jetty.client.api.Request;
24 import org.eclipse.jetty.client.util.StringContentProvider;
25 import org.eclipse.jetty.http.HttpHeader;
26 import org.eclipse.jetty.http.HttpMethod;
27 import org.eclipse.jetty.http.HttpStatus;
28 import org.eclipse.jetty.http.MimeTypes;
29 import org.openhab.binding.senechome.internal.json.SenecHomeResponse;
30 import org.slf4j.Logger;
31 import org.slf4j.LoggerFactory;
33 import com.google.gson.Gson;
34 import com.google.gson.JsonSyntaxException;
37 * The {@link SenecHomeApi} class configures http client and
38 * performs status requests
40 * @author Steven Schwarznau - Initial contribution
41 * @author Robert Delbrück - Update for Senec API changes
45 public class SenecHomeApi {
46 private final Logger logger = LoggerFactory.getLogger(SenecHomeApi.class);
47 private final HttpClient httpClient;
48 private final Gson gson = new Gson();
49 private String hostname = "";
51 public SenecHomeApi(HttpClient httpClient) {
52 this.httpClient = httpClient;
55 public void setHostname(String hostname) {
56 this.hostname = hostname;
60 * POST json with empty, but expected fields, to lala.cgi of Senec webinterface
61 * the response will contain the same fields, but with the corresponding values
63 * To receive new values, just modify the Json objects and add them to the thing channels
65 * @return Instance of SenecHomeResponse
66 * @throws TimeoutException Communication failed (Timeout)
67 * @throws ExecutionException Communication failed
68 * @throws IOException Communication failed
69 * @throws InterruptedException Communication failed (Interrupted)
70 * @throws JsonSyntaxException Received response has an invalid json syntax
72 public SenecHomeResponse getStatistics()
73 throws TimeoutException, ExecutionException, IOException, InterruptedException, JsonSyntaxException {
74 String location = hostname + "/lala.cgi";
75 logger.trace("sending request to: {}", location);
77 Request request = httpClient.newRequest(location);
78 request.header(HttpHeader.ACCEPT, MimeTypes.Type.APPLICATION_JSON.asString());
79 request.header(HttpHeader.CONTENT_TYPE, MimeTypes.Type.APPLICATION_JSON.asString());
80 ContentResponse response = null;
82 String dataToSend = gson.toJson(new SenecHomeResponse());
83 logger.trace("data to send: {}", dataToSend);
84 response = request.method(HttpMethod.POST).content(new StringContentProvider(dataToSend)).send();
85 if (response.getStatus() == HttpStatus.OK_200) {
86 String responseString = response.getContentAsString();
87 return Objects.requireNonNull(gson.fromJson(responseString, SenecHomeResponse.class));
89 logger.trace("Got unexpected response code {}", response.getStatus());
90 throw new IOException("Got unexpected response code " + response.getStatus());
92 } catch (JsonSyntaxException | InterruptedException | TimeoutException | ExecutionException e) {
93 String errorMessage = "\nlocation: " + location;
94 errorMessage += "\nrequest: " + request.toString();
95 errorMessage += "\nrequest.getHeaders: " + request.getHeaders();
96 if (response == null) {
97 errorMessage += "\nresponse: null";
99 errorMessage += "\nresponse: " + response.toString();
100 errorMessage += "\nresponse.getHeaders: " + response.getHeaders();
101 if (response.getContent() == null) {
102 errorMessage += "\nresponse.getContent is null";
104 errorMessage += "\nresponse.getContentAsString: " + response.getContentAsString();
107 logger.trace("Issue with getting SenecHomeResponse\n{}", errorMessage);