Example usage for java.net HttpURLConnection setDoInput

Introduction

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

Prototype

public void setDoInput(boolean doinput)

Source Link

Document

Sets the value of the doInput field for this URLConnection to the specified value.

Usage

From source file:OCRRestAPI.java

public static void main(String[] args) throws Exception {
    /*//www  .jav  a 2 s.  c o m
              
         Sample project for OCRWebService.com (REST API).
         Extract text from scanned images and convert into editable formats.
         Please create new account with ocrwebservice.com via http://www.ocrwebservice.com/account/signup and get license code
            
     */

    // Provide your user name and license code
    String license_code = "88EF173D-CDEA-41B6-8D64-C04578ED8C4D";
    String user_name = "FERGOID";

    /*
            
      You should specify OCR settings. See full description http://www.ocrwebservice.com/service/restguide
             
      Input parameters:
             
     [language]      - Specifies the recognition language. 
                  This parameter can contain several language names separated with commas. 
                    For example "language=english,german,spanish".
               Optional parameter. By default:english
            
     [pagerange]     - Enter page numbers and/or page ranges separated by commas. 
               For example "pagerange=1,3,5-12" or "pagerange=allpages".
                    Optional parameter. By default:allpages
             
      [tobw]           - Convert image to black and white (recommend for color image and photo). 
               For example "tobw=false"
                    Optional parameter. By default:false
             
      [zone]          - Specifies the region on the image for zonal OCR. 
               The coordinates in pixels relative to the left top corner in the following format: top:left:height:width. 
               This parameter can contain several zones separated with commas. 
                 For example "zone=0:0:100:100,50:50:50:50"
                    Optional parameter.
              
      [outputformat]  - Specifies the output file format.
                    Can be specified up to two output formats, separated with commas.
               For example "outputformat=pdf,txt"
                    Optional parameter. By default:doc
            
      [gettext]      - Specifies that extracted text will be returned.
               For example "tobw=true"
                    Optional parameter. By default:false
            
       [description]  - Specifies your task description. Will be returned in response.
                    Optional parameter. 
            
            
     !!!!  For getting result you must specify "gettext" or "outputformat" !!!!  
            
    */

    // Build your OCR:

    // Extraction text with English language
    String ocrURL = "http://www.ocrwebservice.com/restservices/processDocument?gettext=true";

    // Extraction text with English and German language using zonal OCR
    ocrURL = "http://www.ocrwebservice.com/restservices/processDocument?language=english,german&zone=0:0:600:400,500:1000:150:400";

    // Convert first 5 pages of multipage document into doc and txt
    // ocrURL = "http://www.ocrwebservice.com/restservices/processDocument?language=english&pagerange=1-5&outputformat=doc,txt";

    // Full path to uploaded document
    String filePath = "sarah-morgan.jpg";

    byte[] fileContent = Files.readAllBytes(Paths.get(filePath));

    URL url = new URL(ocrURL);

    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoOutput(true);
    connection.setDoInput(true);
    connection.setRequestMethod("POST");

    connection.setRequestProperty("Authorization",
            "Basic " + Base64.getEncoder().encodeToString((user_name + ":" + license_code).getBytes()));

    // Specify Response format to JSON or XML (application/json or application/xml)
    connection.setRequestProperty("Content-Type", "application/json");

    connection.setRequestProperty("Content-Length", Integer.toString(fileContent.length));

    int httpCode;
    try (OutputStream stream = connection.getOutputStream()) {

        // Send POST request
        stream.write(fileContent);
        stream.close();
    } catch (Exception e) {
        System.out.println(e.toString());
    }

    httpCode = connection.getResponseCode();

    System.out.println("HTTP Response code: " + httpCode);

    // Success request
    if (httpCode == HttpURLConnection.HTTP_OK) {
        // Get response stream
        String jsonResponse = GetResponseToString(connection.getInputStream());

        // Parse and print response from OCR server
        PrintOCRResponse(jsonResponse);
    } else if (httpCode == HttpURLConnection.HTTP_UNAUTHORIZED) {
        System.out.println("OCR Error Message: Unauthorizied request");
    } else {
        // Error occurred
        String jsonResponse = GetResponseToString(connection.getErrorStream());

        JSONParser parser = new JSONParser();
        JSONObject jsonObj = (JSONObject) parser.parse(jsonResponse);

        // Error message
        System.out.println("Error Message: " + jsonObj.get("ErrorMessage"));
    }

    connection.disconnect();

}

From source file:Main.java

public static boolean isURLAccessable(String url) throws MalformedURLException, IOException {
    HttpURLConnection conn = (HttpURLConnection) new URL(url).openConnection();
    conn.setDoInput(true);
    conn.setDoOutput(true);//ww w  .j  av  a 2 s  .co  m

    return conn.getResponseCode() == 200;
}

From source file:Main.java

private static HttpURLConnection _openPostConnection(String purl) throws IOException {
    URL url = new URL(purl);
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoInput(true);
    connection.setUseCaches(false);/*from ww w.ja v  a 2 s .  co  m*/
    connection.setDoOutput(true);
    connection.setRequestMethod("GET");
    connection.setRequestProperty("User-Agent", "Android Client Agent");

    return connection;
}

From source file:Main.java

public static InputStream getIS(String address) {
    InputStream is = null;/*from w  w w  .jav  a 2  s  . c  o m*/
    try {
        URL url = new URL(address);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoInput(true);
        conn.connect();
        is = conn.getInputStream();
    } catch (Exception e) {
        e.printStackTrace();
    }
    return is;
}

From source file:Main.java

public static Bitmap getBitmapFromRemote(String address) {
    Bitmap bitmap = null;//from w  w  w.j a v a 2s.co  m
    try {
        URL url = new URL(address);
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setDoInput(true);
        conn.connect();
        InputStream is = conn.getInputStream();
        bitmap = BitmapFactory.decodeStream(is);
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }
    return bitmap;
}

From source file:Main.java

public static Bitmap getBitmapFromURL(String strURL) {
    try {//from  w  ww .ja v a2 s .c o  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 fetchImage(String fileUrl) {
    try {//from w  ww.  ja  v  a 2s  .co  m
        URL myFileUrl = new URL(fileUrl);
        HttpURLConnection conn = (HttpURLConnection) myFileUrl.openConnection();
        conn.setDoInput(true);
        conn.connect();
        InputStream is = conn.getInputStream();
        Bitmap image = BitmapFactory.decodeStream(is);
        is.close();
        return image;
    } 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 a2  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 getBitMap(String url) {
    URL myFileUrl = null;/*from  ww w.  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();
    }
    return bitmap;
}

From source file:Main.java

private static HttpURLConnection getConnection(URL url) throws IOException {
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setRequestMethod("GET");
    conn.setDoInput(true);
    conn.setDoOutput(true);//w w w  .  ja v  a  2 s  .co m
    conn.setRequestProperty("Accept", "text/xml");
    return conn;
}