Java Code Examples for java.net.HttpURLConnection#getContent()

private static boolean IsReachable(String url) {
    System.out.println("Testing connectivity to " + url);
    try {
        //make a URL to a known source
        URL url2 = new URL(url);

        //open a connection to that source
        HttpURLConnection urlConnect = (HttpURLConnection) url2.openConnection();

        //trying to retrieve data from the source. If there
        //is no connection, this line will fail
        Object objData = urlConnect.getContent();
        urlConnect.disconnect();

    } catch (Exception e) {
        System.out.println("Connectivity failed " + e.getMessage());
        return false;
    }
    System.out.println("Connectivity passed" );
    return true;

}
 

private static boolean IsReachable(String url) {
    System.out.println("Testing connectivity to " + url);
    try {
        //make a URL to a known source
        URL url2 = new URL(url);

        //open a connection to that source
        HttpURLConnection urlConnect = (HttpURLConnection) url2.openConnection();

        //trying to retrieve data from the source. If there
        //is no connection, this line will fail
        Object objData = urlConnect.getContent();
        urlConnect.disconnect();

    } catch (Exception e) {
        System.out.println("Connectivity failed " + e.getMessage());
        return false;
    }
    System.out.println("Connectivity passed");
    return true;

}
 

public static boolean isInternetReachable() {
	try {
		// make a URL to a known source
		URL url = new URL(WSO2PluginConstants.GOOGLE_COM);
		// open a connection to that source
		HttpURLConnection urlConnect = (HttpURLConnection) url.openConnection();
		// trying to retrieve data from the source. If there
		// is no connection, this line will fail
		Object objData = urlConnect.getContent();

	} catch (IOException e) {
		return false;

	}
	return true;
}
 

public static void updateRetentionPolicy(InfluxDBConf configuration) {
	try {
		StringBuffer url = new StringBuffer();
		url.append(HTTP).append(configuration.getHost().trim()).append(COLON)
				.append(configuration.getPort()).append("/query?u=")
				.append(configuration.getUsername()).append(AND_P_EQUAL_TO)
				.append(configuration.getDecryptedPassword()).append(AND_Q_EQUAL_TO);

		url.append("ALTER%20RETENTION%20POLICY%20ret_" + configuration.getDatabase()
				+ "%20on%20" + configuration.getDatabase() + "%20DURATION%20"
				+ configuration.getRetentionPeriod() + "d");

		URL obj = new URL(url.toString());
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod(GET);
		con.setRequestProperty(USER_AGENT, MOZILLA_5_0);
		con.getContent();
		con.disconnect();
	} catch (Exception e) {
		LOGGER.error("Unable to update retention policy in influxdata for database + "
				+ configuration.getDatabase());
	}
}
 

/**
 * Create database in influxdb according to configuration provided
 * 
 * @param configuration
 * @throws Exception
 */
public static void createRetentionPolicy(InfluxDBConf configuration) {
	try {
		StringBuffer url = new StringBuffer();
		url.append(HTTP).append(configuration.getHost().trim()).append(COLON)
				.append(configuration.getPort()).append("/query?u=")
				.append(configuration.getUsername()).append(AND_P_EQUAL_TO)
				.append(configuration.getDecryptedPassword()).append(AND_Q_EQUAL_TO)
				.append("CREATE%20RETENTION%20POLICY%20ret_" + configuration.getDatabase()
						+ "%20on%20" + configuration
								.getDatabase()
						+ "%20DURATION%2090d%20REPLICATION%201%20DEFAULT");

		URL obj = new URL(url.toString());
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod(GET);
		con.setRequestProperty(USER_AGENT, MOZILLA_5_0);
		con.getContent();
		con.disconnect();
	} catch (Exception e) {
		LOGGER.error("Unable to create retention policy in influxdata for database + "
				+ configuration.getDatabase());
	}
}
 

/**
 * Create database in influxdb according to configuration provided
 * 
 * @param configuration
 * @throws Exception
 */
public static void dropDatabase(InfluxDBConf configuration) throws Exception {

	StringBuffer url = new StringBuffer();
	url.append(HTTP).append(configuration.getHost().trim()).append(COLON)
			.append(configuration.getPort()).append("/query?u=")
			.append(configuration.getUsername()).append(AND_P_EQUAL_TO)
			.append(configuration.getDecryptedPassword()).append(AND_Q_EQUAL_TO)
			.append("drop%20database%20" + configuration.getDatabase());

	URL obj = new URL(url.toString());
	HttpURLConnection con = (HttpURLConnection) obj.openConnection();
	con.setRequestMethod(GET);
	con.setRequestProperty(USER_AGENT, MOZILLA_5_0);
	con.getContent();
	con.disconnect();
}
 

public void createInfluxdbDatabase(String host, String port, String username,
		String password, String database) {
	try {
		StringBuffer url = new StringBuffer();
		url.append(HTTP).append(host).append(COLON).append(port).append("/query?");
		url.append("u=").append(username).append(AND_P_EQUAL_TO).append(password);
		url.append(AND_Q_EQUAL_TO).append("create%20database%20" + database);

		URL obj = new URL(url.toString());
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("GET");
		con.setRequestProperty("User-Agent", "Mozilla/5.0");
		con.getContent();
		con.disconnect();
	} catch (Exception e) {

	}
}
 

private void updateRetentionPolicy(String host, String port, String username, String password,
		String database, String retentionPeriod) {
	try {
		StringBuffer url = new StringBuffer();
		url.append(HTTP).append(host.trim()).append(COLON).append(port).append("/query?u=").append(username)
		.append(AND_P_EQUAL_TO).append(password).append(AND_Q_EQUAL_TO);

		url.append("ALTER%20RETENTION%20POLICY%20ret_" + database + "%20on%20" + database + "%20DURATION%20"
				+ retentionPeriod + "d");

		URL obj = new URL(url.toString());
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("GET");
		con.setRequestProperty("User-Agent", "Mozilla/5.0");
		con.getContent();
		con.disconnect();
	} catch (Exception e) {
	}
}
 

private void createInfluxdbRetentionPolicy(String host, String port, String username, String password,
		String database, String retentionPeriod) {
	try {
		StringBuffer url = new StringBuffer();
		url.append(HTTP).append(host.trim()).append(COLON).append(port).append("/query?u=").append(username)
				.append(AND_P_EQUAL_TO).append(password).append(AND_Q_EQUAL_TO)
				.append("CREATE%20RETENTION%20POLICY%20ret_" + database + "%20on%20" + database + "%20DURATION%20"
						+ retentionPeriod + "d%20REPLICATION%201%20DEFAULT");

		URL obj = new URL(url.toString());
		HttpURLConnection con = (HttpURLConnection) obj.openConnection();
		con.setRequestMethod("GET");
		con.setRequestProperty("User-Agent", "Mozilla/5.0");
		con.getContent();
		con.disconnect();
	} catch (Exception e) {
	}
}
 

/**
 * Check if HTTP connection to URL is reachable
 * 
 * @param checkURL
 * @return boolean
 */
public static boolean isHTTPreachable(String checkURL) {
  try {
    // make a URL to a known source
    URL url = new URL(checkURL);

    // open a connection to that source
    HttpURLConnection urlConnect = (HttpURLConnection) url.openConnection();

    // trying to retrieve data from the source. If there
    // is no connection, this line will fail
    Object objData = urlConnect.getContent();

  } catch (Exception e) {
    e.printStackTrace();
    return false;
  }

  return true;
}
 

@Test
public void testFunc() throws Exception {
	URL url = new URL("http://192.168.0.77:8080/oppo?notify_id=13212&partner_code=c5217trjnrmU6gO5jG8VvUFU0&partner_order=0000001192171129&orders=1100.010000001192171129&pay_result=OK&sign=dNJDN5Ov8FdMZIvLZmnh9rwpKiqwvCzJaja%2B0qpKb3zlFafYxjxCDnNJrtxLqnPOGXHxWZO69onAHzTNfyKZBL3PR57%2F87rwuYk87OthYkIGm4dNunZDnUmMp5m5b0Joe6DOW28NqZETGcKUMeKwQcJmE7c%2FN5aQcWAyazksf0g%3D");
	HttpURLConnection conn = (HttpURLConnection)url.openConnection();
	conn.setRequestMethod("POST");
	conn.setDoInput(true);
	conn.setDoOutput(true);
	OutputStream os = conn.getOutputStream();
	//os.write("\r\n".getBytes());
	os.close();
	Object obj = conn.getContent();
	int code = conn.getResponseCode();
	System.out.println("code:"+code+", obj:"+obj);
	fail("Not yet implemented");
}
 

@Test
public void testFunc() throws Exception {
	URL url = new URL("http://192.168.0.77/kupai");
	HttpURLConnection conn = (HttpURLConnection)url.openConnection();
	conn.setRequestMethod("POST");
	conn.setDoInput(true);
	conn.setDoOutput(true);
	OutputStream os = conn.getOutputStream();
	os.write(post.getBytes());
	os.close();
	Object obj = conn.getContent();
	int code = conn.getResponseCode();
	System.out.println("code:"+code+", obj:"+obj);
	fail("Not yet implemented");
}
 

@Test
public void testFunc() throws Exception {
	URL url = new URL("http://192.168.0.77/kupai");
	HttpURLConnection conn = (HttpURLConnection)url.openConnection();
	conn.setRequestMethod("POST");
	conn.setDoInput(true);
	conn.setDoOutput(true);
	OutputStream os = conn.getOutputStream();
	os.write(post.getBytes());
	os.close();
	Object obj = conn.getContent();
	int code = conn.getResponseCode();
	System.out.println("code:"+code+", obj:"+obj);
	fail("Not yet implemented");
}
 

public int urlWithConnection(String urlString) throws IOException {
    URL url = new URL(urlString);
    HttpURLConnection connection = (HttpURLConnection)url.openConnection();
    connection.setRequestMethod("GET");
    connection.connect();
    connection.getContent();
    return connection.getResponseCode();
}
 

private static void testReachable(URL url) throws IOException {
    log.info("Trying to connect to {}", url.toString());
    HttpURLConnection urlConnection = null;
    try {
        urlConnection = ((HttpURLConnection) url.openConnection());
        urlConnection.getContent();
        log.info("Client is able to connect to the selenium hub");
    } finally {
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
    }
}
 

/**
 * Determines if a url path is available (ie both valid and connected).
 *
 * @param urlPath the path in URI form
 * @return true if available
 */
public static boolean isURLAvailable(String urlPath) {
 try {
    // make a URL, open a connection, get content
    URL url = new URL(urlPath);
    HttpURLConnection urlConnect = (HttpURLConnection)url.openConnection();
    urlConnect.getContent();	
 } catch (Exception ex) {
  return false;
 }
 return true;
}
 

private Pair<String, Integer> get(String url, String token) throws IOException {
  URL createUrl = new URL(url);
  HttpURLConnection createConn = (HttpURLConnection) createUrl.openConnection();
  if (token != null)
    createConn.setRequestProperty("Authorization", "Bearer " + token);
  BufferedReader br2 = new BufferedReader(new InputStreamReader((InputStream) createConn.getContent(), StandardCharsets.UTF_8));
  String result = br2.lines().collect(Collectors.joining("\n"));
  int code = createConn.getResponseCode();
  createConn.disconnect();
  return new Pair<>(result, code);
}
 

private FeatureToggleResponse getToggleResponse(HttpURLConnection request) throws IOException {
    etag = Optional.ofNullable(request.getHeaderField("ETag"));

    try(BufferedReader reader = new BufferedReader(
            new InputStreamReader((InputStream) request.getContent(), StandardCharsets.UTF_8))) {

        ToggleCollection toggles = JsonToggleParser.fromJson(reader);
        return new FeatureToggleResponse(FeatureToggleResponse.Status.CHANGED, toggles);
    }
}
 

public List<InetAddress> getRemoteSeeds() throws IOException {

        HttpURLConnection connection =
                (HttpURLConnection) new URL(seedsUrl).openConnection();
        connection.setConnectTimeout(1000);
        connection.setReadTimeout(10000);
        connection.setRequestMethod("GET");
        if (connection.getResponseCode() != 200)
            throw new RuntimeException("Unable to get data for URL " + seedsUrl);

        byte[] b = new byte[2048];
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        DataInputStream responseStream = new DataInputStream((FilterInputStream)
                connection
                        .getContent());
        int c = 0;
        while ((c = responseStream.read(b, 0, b.length)) != -1)
            bos.write(b, 0, c);
        String response = new String(bos.toByteArray(), Charsets.UTF_8);
        LOGGER.info("Retrieved response {} from URL {}", response, seedsUrl);
        connection.disconnect();


        JSONObject json = (JSONObject) JSONValue.parse(response);

        boolean isSeed = (Boolean) json.get("isSeed");

        List<String> seedStrings = (json.containsKey("seeds"))
                ? (List<String>) json.get("seeds") : Collections.emptyList();

        List<InetAddress> addresses;

        if (isSeed) {
            addresses = new ArrayList<>(seedStrings.size() + 1);
            addresses.add(getLocalAddress());
        } else {

            addresses = new ArrayList<>(seedStrings.size());
        }

        for (String seed : seedStrings) {

            addresses.add(InetAddress.getByName(seed));
        }

        LOGGER.info("Retrieved remote seeds {}", addresses);

        return addresses;
    }
 

@Override
public void run() {
    try {
        HttpURLConnection request = (HttpURLConnection) new URL("https://api.github.com/repos/TheAndroidMaster/MediaNotification/contributors").openConnection();
        request.connect();

        JsonReader reader = new JsonReader(new InputStreamReader((InputStream) request.getContent()));
        reader.setLenient(true);
        reader.beginArray();
        reader.skipValue();
        while (reader.hasNext()) {
            reader.beginObject();
            String name = null, imageUrl = null, url = null;
            while (reader.hasNext()) {
                switch (reader.nextName()) {
                    case "login":
                        name = reader.nextString();
                        break;
                    case "avatar_url":
                        imageUrl = reader.nextString();
                        break;
                    case "html_url":
                        url = reader.nextString();
                        break;
                    default:
                        reader.skipValue();
                }
            }
            contributors.add(new ContributorData(name, imageUrl, url));
            reader.endObject();
        }
        reader.endArray();
    } catch (Exception ignored) {
    }

    new Handler(Looper.getMainLooper()).post(new Runnable() {
        @Override
        public void run() {
            AboutDialog dialog = dialogReference.get();
            if (dialog != null) {
                dialog.contributorView.getAdapter().notifyDataSetChanged();
                for (final ContributorData contributor : contributors) {
                    new ContributorThread(dialog, contributor).start();
                }
            }
        }
    });
}