Example usage for java.net HttpURLConnection getInputStream

List of usage examples for java.net HttpURLConnection getInputStream

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Introduction

In this page you can find the example usage for java.net HttpURLConnection getInputStream.

Prototype

public InputStream getInputStream() throws IOException

Source Link

Document

Returns an input stream that reads from this open connection.

Usage

From source file:Main.java

public static String getHtml(String getUrl, int outtime, String charsetName) {
    String html = "";
    URL url;//from  ww w  .j  av a2 s  . c om
    try {
        url = new URL(getUrl);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestProperty("User-Agent",
                "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; InfoPath.1; CIBA)");
        // connection.setRequestProperty("Connection", "Keep-Alive");
        // connection.setRequestProperty("Cache-Control", "no-cache");
        connection.setConnectTimeout(outtime);
        connection.connect();
        InputStream inStrm = connection.getInputStream();

        BufferedReader br = new BufferedReader(new InputStreamReader(inStrm, charsetName));
        String temp = "";

        while ((temp = br.readLine()) != null) {
            html = html + (temp + '\n');
        }
        try {
            br.close();
        } catch (Exception e) {
            // TODO: handle exception
        }
        try {
            connection.disconnect();
        } catch (Exception e) {
            // TODO: handle exception
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    return html;
}

From source file:Yak_Hax.Yak_Hax_Mimerme.PostRequest.java

public static String PostBodyRequest(String URL, String JSONRaw, String UserAgent) throws IOException {
    String type = "application/json";
    URL u = new URL(URL);
    HttpURLConnection conn = (HttpURLConnection) u.openConnection();
    conn.setDoOutput(true);// w w  w.  j  a va  2  s.com
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", type);
    conn.setRequestProperty("User-Agent", UserAgent);
    OutputStream os = conn.getOutputStream();
    os.write(JSONRaw.getBytes());
    os.flush();
    os.close();

    String response = null;
    DataInputStream input = new DataInputStream(conn.getInputStream());
    while (null != ((response = input.readLine()))) {
        input.close();
        return response;
    }
    return null;
}

From source file:common.net.volley.toolbox.HurlStack.java

/**
 * Initializes an {@link org.apache.http.HttpEntity} from the given {@link java.net.HttpURLConnection}.
 * @param connection/*from  w w w  .  j a v  a 2 s. c o  m*/
 * @return an HttpEntity populated with data from <code>connection</code>.
 */
private static HttpEntity entityFromConnection(HttpURLConnection connection) throws IOException {
    BasicHttpEntity entity = new BasicHttpEntity();

    ByteArrayOutputStream out = new ByteArrayOutputStream();
    InputStream rawStream = null;
    try {
        rawStream = connection.getInputStream();

        rawStream = stethoManager.interpretResponseStream(rawStream);
        InputStream decompressedStream = applyDecompressionIfApplicable(connection, rawStream);
        if (decompressedStream != null) {
            copy(decompressedStream, out, new byte[1024]);
        }
        entity.setContent(new ByteArrayInputStream(out.toByteArray()));

    } catch (IOException ioe) {
        rawStream = connection.getErrorStream();
        entity.setContent(rawStream);

    } finally {
        //            if(rawStream != null) {
        //                rawStream.close();
        //            }
    }

    entity.setContentLength(connection.getContentLength());
    entity.setContentEncoding(connection.getContentEncoding());
    entity.setContentType(connection.getContentType());
    return entity;
}

From source file:com.versobit.weatherdoge.WeatherUtil.java

private static WeatherResult getWeatherFromOWM(double latitude, double longitude, String location) {
    try {/*from   w ww  .j av a  2s  .c  o  m*/
        String query;
        if (latitude == Double.MIN_VALUE && longitude == Double.MIN_VALUE) {
            if (location == null) {
                return new WeatherResult(null, WeatherResult.ERROR_THROWABLE, "No valid location parameters.",
                        new IllegalArgumentException());
            }
            query = "q=" + URLEncoder.encode(location, "UTF-8");
        } else {
            query = "lat=" + URLEncoder.encode(String.valueOf(latitude), "UTF-8") + "&lon="
                    + URLEncoder.encode(String.valueOf(longitude), "UTF-8");
        }
        query += "&APPID=" + URLEncoder.encode(BuildConfig.OWM_APPID, "UTF-8");
        URL url = new URL("http://api.openweathermap.org/data/2.5/weather?" + query);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        try {
            JSONObject response = new JSONObject(IOUtils.toString(connection.getInputStream()));
            if (response.getInt("cod") != HttpURLConnection.HTTP_OK) {
                // OWM has HTTP error codes that are passed through an API field, the actual HTTP
                // error code is always 200...
                return new WeatherResult(null, WeatherResult.ERROR_API,
                        response.getString("cod") + ": " + response.getString("message"), null);
            }

            JSONObject weather = response.getJSONArray("weather").getJSONObject(0);
            JSONObject main = response.getJSONObject("main");

            double temp = main.getDouble("temp") - 273.15d;
            String condition = WordUtils.capitalize(weather.getString("description").trim());
            String image = weather.getString("icon");

            if (location == null || location.isEmpty()) {
                location = response.getString("name");
            }

            return new WeatherResult(new WeatherData(temp, condition, image, latitude, longitude, location,
                    new Date(), Source.OPEN_WEATHER_MAP), WeatherResult.ERROR_NONE, null, null);
        } finally {
            connection.disconnect();
        }
    } catch (Exception ex) {
        return new WeatherResult(null, WeatherResult.ERROR_THROWABLE, ex.getMessage(), ex);
    }
}

From source file:org.grameenfoundation.consulteca.utils.HttpHelpers.java

private static InputStream getInputStream(HttpURLConnection httpUrlConnection) throws IOException {
    InputStream inputStream = httpUrlConnection.getInputStream();
    String contentEncoding = httpUrlConnection.getHeaderField("Content-Encoding");
    if (contentEncoding != null && contentEncoding.equalsIgnoreCase("gzip")) {
        inputStream = new GZIPInputStream(inputStream);
    }/*from  w ww .j  a  v  a  2 s . c o  m*/
    return inputStream;
}

From source file:com.webarch.common.net.http.HttpService.java

/**
 * ?//from  w w  w  .j  av  a2  s.com
 *
 * @param protocol ??http?https?ftp?file?jar
 * @param host     ?
 * @param file     
 * @return
 */
public static String getRemoteFile(String protocol, String host, String file) {
    String content = null;
    try {
        URL url = new URL(protocol, host, file);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        DataInputStream input = new DataInputStream(conn.getInputStream());
        byte[] buffer = new byte[8192];
        int count = input.read(buffer);
        if (count > 0) {
            byte[] strBuffer = new byte[count];
            System.arraycopy(buffer, 0, strBuffer, 0, count);
            content = new String(strBuffer, "UTF-8");
        }
        input.close();
    } catch (Exception e) {
        e.printStackTrace();
    }
    //?
    return StringSeriesTools.replaceAllMatch(content, "\\s*|\t|\r|\n", "");
}

From source file:dictinsight.utils.io.HttpUtils.java

public static String getDataFromOtherServer(String url) {
    String rec = null;/*from w ww. j av a  2  s.  c o  m*/
    BufferedReader reader = null;
    HttpURLConnection connection = null;
    try {
        URL srcUrl = new URL(url);
        connection = (HttpURLConnection) srcUrl.openConnection();
        connection.setConnectTimeout(1000 * 10);
        connection.connect();
        reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        rec = reader.readLine();
    } catch (Exception e) {
        System.out.println("get date from " + url + " error!");
        e.printStackTrace();
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        if (connection != null)
            connection.disconnect();
    }
    return rec;
}

From source file:com.google.api.GoogleAPI.java

/**
 * Forms an HTTP request, sends it using POST method and returns the result of the request as a JSONObject.
 * //ww w.ja v  a 2s. c om
 * @param url The URL to query for a JSONObject.
 * @param parameters Additional POST parameters
 * @return The translated String.
 * @throws Exception on error.
 */
protected static JSONObject retrieveJSON(final URL url, final String parameters) throws Exception {
    try {
        final HttpURLConnection uc = (HttpURLConnection) url.openConnection();
        uc.setRequestProperty("referer", referrer);
        uc.setRequestMethod("POST");
        uc.setDoOutput(true);

        final PrintWriter pw = new PrintWriter(uc.getOutputStream());
        pw.write(parameters);
        pw.flush();

        try {
            final String result = inputStreamToString(uc.getInputStream());

            return new JSONObject(result);
        } finally { // http://java.sun.com/j2se/1.5.0/docs/guide/net/http-keepalive.html
            uc.getInputStream().close();
            if (uc.getErrorStream() != null) {
                uc.getErrorStream().close();
            }
            pw.close();
        }
    } catch (Exception ex) {
        throw new Exception("[google-api-translate-java] Error retrieving translation.", ex);
    }
}

From source file:com.gallatinsystems.common.util.S3Util.java

public static String getObjectAcl(String bucketName, String objectKey, String awsAccessId, String awsSecretKey)
        throws IOException {

    final String date = getDate();
    final URL url = new URL(String.format(S3_URL, bucketName, objectKey) + "?acl");
    final String payload = String.format(GET_PAYLOAD_ACL, date, bucketName, objectKey);
    final String signature = MD5Util.generateHMAC(payload, awsSecretKey);

    InputStream in = null;//ww w  .  j a v a  2s .  c  om
    HttpURLConnection conn = null;
    try {
        conn = (HttpURLConnection) url.openConnection();
        conn.setRequestProperty("Date", date);
        conn.setRequestProperty("Authorization", "AWS " + awsAccessId + ":" + signature);

        in = new BufferedInputStream(conn.getInputStream());

        return IOUtils.toString(in);
    } catch (Exception e) {
        log.log(Level.SEVERE, "Error getting ACL for : " + url.toString(), e);
        return null;
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
        IOUtils.closeQuietly(in);
    }
}

From source file:Main.java

public static String deleteUrl(String url, Bundle params) throws MalformedURLException, IOException {
    System.setProperty("http.keepAlive", "false");
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setRequestProperty("User-Agent", System.getProperties().getProperty("http.agent") + " agent");
    conn.setRequestMethod("DELETE");
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    conn.setDoOutput(false);//from   www . j  a  v  a2 s  .  c  o m
    conn.setDoInput(true);
    //conn.setRequestProperty("Connection", "Keep-Alive");
    conn.connect();

    String response = "";
    try {
        response = read(conn.getInputStream());
    } catch (FileNotFoundException e) {
        // Error Stream contains JSON that we can parse to a FB error
        response = read(conn.getErrorStream());
    }
    return response;
}