Example usage for java.net HttpURLConnection getInputStream

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 long downloadFileFromUrl(String urlPath, File file) {
    long size = 0;
    try {// w w  w . j  av a  2  s.  c  o m
        URL url = new URL(urlPath);
        HttpURLConnection httpurlconnection = (HttpURLConnection) url.openConnection();
        BufferedInputStream bufferedinputstream = new BufferedInputStream(httpurlconnection.getInputStream());
        BufferedOutputStream bufferedoutputstream = new BufferedOutputStream(new FileOutputStream(file));
        int i;
        while ((i = bufferedinputstream.read()) != -1) {
            bufferedoutputstream.write(i);
        }
        bufferedinputstream.close();
        bufferedoutputstream.close();
        httpurlconnection.disconnect();
        size = file.length();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return size;
}

From source file:Main.java

@SuppressWarnings("SameParameterValue")
public static Bitmap fetchAndRescaleBitmap(String uri, int width, int height) throws IOException {
    URL url = new URL(uri);
    BufferedInputStream is = null;
    try {/*  w  ww  .jav  a2 s. c o m*/
        HttpURLConnection urlConnection = (HttpURLConnection) url.openConnection();
        is = new BufferedInputStream(urlConnection.getInputStream());
        is.mark(MAX_READ_LIMIT_PER_IMG);
        int scaleFactor = findScaleFactor(width, height, is);
        Log.d(TAG, "Scaling bitmap " + uri + " by factor " + scaleFactor + " to support " + width + "x" + height
                + "requested dimension");
        is.reset();
        return scaleBitmap(scaleFactor, is);
    } finally {
        if (is != null) {
            is.close();
        }
    }
}

From source file:Main.java

public static Bitmap getBitMap(String url) {
    URL myFileUrl = null;/*from  w w  w  .  j av a  2  s  . c  om*/
    Bitmap bitmap = null;
    try {
        myFileUrl = new URL(url);
    } catch (MalformedURLException e) {
        e.printStackTrace();
    }
    try {
        HttpURLConnection conn = (HttpURLConnection) myFileUrl.openConnection();
        conn.setDoInput(true);
        conn.connect();
        InputStream is = conn.getInputStream();
        bitmap = BitmapFactory.decodeStream(is);
        is.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap getBitmapFromURL(String strURL) {
    try {/*from  w w w.  ja  v  a2 s.  co m*/
        URL url = new URL(strURL);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoInput(true);
        connection.connect();
        InputStream input = connection.getInputStream();
        return BitmapFactory.decodeStream(input);
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static Bitmap getBitmapFromUrl(String urlSource) {
    try {//from  w w  w .j a  v a  2 s  . c o m
        URL url = new URL(urlSource);
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setDoInput(true);
        connection.connect();
        InputStream input = connection.getInputStream();
        Bitmap myBitmap = BitmapFactory.decodeStream(input);
        return myBitmap;
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:Main.java

public static Bitmap returnBitMap(String url) {
    URL myFileUrl = null;//from  www  .  ja  v  a 2  s. c o m
    Bitmap bitmap = null;
    try {
        myFileUrl = new URL(url);
    } catch (MalformedURLException e) {
        e.printStackTrace();
    }
    try {
        HttpURLConnection conn = (HttpURLConnection) myFileUrl.openConnection();
        conn.setDoInput(true);
        conn.connect();
        InputStream is = conn.getInputStream();
        bitmap = BitmapFactory.decodeStream(is);
        is.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    // Log.v(tag, bitmap.toString());

    return bitmap;
}

From source file:Main.java

public static Bitmap returnBitmap(String url) {
    URL fileUrl = null;/*from w  w  w. j a v a  2  s .  co  m*/
    Bitmap bitmap = null;

    try {
        fileUrl = new URL(url);
    } catch (MalformedURLException e) {
        e.printStackTrace();
    }

    try {
        HttpURLConnection conn = (HttpURLConnection) fileUrl.openConnection();
        conn.setDoInput(true);
        conn.connect();
        InputStream is = conn.getInputStream();
        bitmap = BitmapFactory.decodeStream(is);
        is.close();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return bitmap;

}

From source file:Main.java

static void getHTTPXml(URL url) throws Exception {
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("POST");
    conn.setRequestProperty("ACCEPT", "application/xml");
    InputStream xml = conn.getInputStream();

    DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
    DocumentBuilder builder = factory.newDocumentBuilder();
    org.w3c.dom.Document document = builder.parse(xml);

    System.out.println(document);
    String doctype = conn.getContentType();
    System.out.println(doctype);/*w  w  w.ja v a2s .  c  om*/

    XPathFactory pathFactory = XPathFactory.newInstance();
    XPath path = pathFactory.newXPath();
    XPathExpression expression;
    expression = path.compile("/result/checkid");
    NodeList nodeList = (NodeList) expression.evaluate(document, XPathConstants.NODESET);
    String checkids[] = getNodeValue(nodeList);
    for (String checkid : checkids) {
        System.out.print(checkid + ", ");
    }
    conn.disconnect();
}

From source file:com.polivoto.networking.ServicioDeIPExterna.java

public static String obtenerIPServidorRemoto() {
    String ip = null;/* w w  w  . j a  va  2s  . com*/
    try {
        HttpURLConnection con = (HttpURLConnection) new URL(REMOTE_HOST).openConnection();
        DataInputStream entrada = new DataInputStream(con.getInputStream());
        int length;
        byte[] chunk = new byte[64];
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        while ((length = entrada.read(chunk)) != -1)
            baos.write(chunk, 0, length);
        JSONObject json = new JSONObject(baos.toString());
        baos.close();
        entrada.close();
        con.disconnect();
        ip = json.getString("content");
    } catch (JSONException | IOException e) {
        e.printStackTrace();
    }
    System.out.println("IP servidor remoto: " + ip);
    return ip;
}

From source file:com.polivoto.networking.ServicioDeIPExterna.java

public static String obtenerIPExterna() {
    String ip = null;//from www  . ja v a 2  s.  co  m
    try {
        HttpURLConnection con = (HttpURLConnection) new URL(GET_EXTERNAL_HOST).openConnection();
        DataInputStream entrada = new DataInputStream(con.getInputStream());
        int length;
        byte[] chunk = new byte[64];
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        while ((length = entrada.read(chunk)) != -1)
            baos.write(chunk, 0, length);
        ip = baos.toString();
        baos.close();
        entrada.close();
        con.disconnect();
    } catch (IOException e) {
        e.printStackTrace();
    }
    System.out.println("IP exterior: " + ip);
    return ip;
}