Example usage for java.net URLConnection getOutputStream

Introduction

In this page you can find the example usage for java.net URLConnection getOutputStream.

Prototype

public OutputStream getOutputStream() throws IOException 

Source Link

Document

Returns an output stream that writes to this connection.

Usage

From source file:com.votingcentral.services.maxmind.MaxMindGeoLocationService.java

public MaxMindLocationTO getLocation(String ipAddress) {
    MaxMindLocationTO mto = new MaxMindLocationTO();
    String specificData = data + FastURLEncoder.encode(ipAddress, "UTF-8");
    URL url;//from   w  w  w.  ja  va2 s.  c  o  m
    OutputStreamWriter wr = null;
    BufferedReader rd = null;
    try {
        url = new URL(surl);
        URLConnection conn = url.openConnection();
        conn.setDoOutput(true);
        wr = new OutputStreamWriter(conn.getOutputStream());
        wr.write(specificData);
        wr.flush();
        // Get the response
        rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String line;
        while ((line = rd.readLine()) != null) {
            String[] values = StringUtils.split(line, ",");
            int maxIndex = values.length - 1;
            if (maxIndex >= 0) {
                mto.setISO3166TwoLetterCountryCode(values[0]);
            }
            if (maxIndex >= 1) {
                mto.setRegionCode(values[1]);
            }
            if (maxIndex >= 2) {
                mto.setCity(values[2]);
            }
            if (maxIndex >= 3) {
                mto.setPostalCode(values[3]);
            }
            if (maxIndex >= 4) {
                mto.setLatitude(values[4]);
            }
            if (maxIndex >= 5) {
                mto.setLongitude(values[5]);
            }
            if (maxIndex >= 6) {
                mto.setMetropolitanCode(values[6]);
            }
            if (maxIndex >= 7) {
                mto.setAreaCode(values[7]);
            }
            if (maxIndex >= 8) {
                mto.setIsp(values[8]);
            }
            if (maxIndex >= 9) {
                mto.setOranization(values[9]);
            }
            if (maxIndex >= 10) {
                mto.setError(MaxMindErrorsEnum.get(values[10]));
            }
        }
    } catch (MalformedURLException e) {
        log.fatal("Issue calling Maxmind", e);
        mto.setError(MaxMindErrorsEnum.VC_INTERNAL_ERROR);
    } catch (IOException e) {
        log.fatal("Issue reading Maxmind", e);
        mto.setError(MaxMindErrorsEnum.VC_INTERNAL_ERROR);
    } finally {
        if (wr != null) {
            try {
                wr.close();
            } catch (IOException e1) {
                log.fatal("Issue closing Maxmind", e1);
                mto.setError(MaxMindErrorsEnum.VC_INTERNAL_ERROR);
            }
        }
        if (rd != null) {
            try {
                rd.close();
            } catch (IOException e1) {
                log.fatal("Issue closing Maxmind", e1);
                mto.setError(MaxMindErrorsEnum.VC_INTERNAL_ERROR);
            }
        }
    }
    return mto;
}

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From source file:eu.europa.ec.markt.dss.applet.io.NativeHTTPDataLoader.java

@Override
public InputStream post(String url, InputStream content) throws CannotFetchDataException {

    try {//from w w w.j ava 2s . c  o m
        URLConnection connection = new URL(url).openConnection();

        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setUseCaches(false);

        OutputStream out = connection.getOutputStream();
        IOUtils.copy(content, out);
        out.close();

        return connection.getInputStream();
    } catch (IOException ex) {
        throw new CannotFetchDataException(ex, url);
    }
}

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From source file:com.alternatecomputing.jschnizzle.renderer.WebSequenceRenderer.java

public BufferedImage render(Diagram diagram) {
    String script = diagram.getScript();
    if (script == null) {
        throw new RendererException("no script defined.");
    }//from   w w  w. j  a  v a2  s  .  c  o  m

    String style = diagram.getStyle().getValue();
    String baseURL = getBaseURL();

    try {
        // build parameter string
        String data = "style=" + style + "&format=svg&message=" + URLEncoder.encode(script, "UTF-8");

        // send the request
        URL url = new URL(baseURL);
        URLConnection conn = url.openConnection();
        conn.setDoOutput(true);
        OutputStreamWriter writer = new OutputStreamWriter(conn.getOutputStream());

        // write parameters
        writer.write(data);
        writer.flush();

        // get the response
        StringBuffer answer = new StringBuffer();
        BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String line;
        while ((line = reader.readLine()) != null) {
            answer.append(line);
        }
        writer.close();
        reader.close();

        JSONObject json = JSONObject.fromString(answer.toString());

        HttpClient client = new HttpClient();
        String proxyHost = System.getProperty("http.proxyHost");
        String proxyPort = System.getProperty("http.proxyPort");
        if (StringUtils.isNotBlank(proxyHost) && StringUtils.isNotBlank(proxyPort)) {
            client.getHostConfiguration().setProxy(proxyHost, Integer.parseInt(proxyPort));
        }
        String getURI = baseURL + json.getString("img");
        GetMethod getMethod = new GetMethod(getURI);
        client.executeMethod(getMethod);
        String svgContents = getMethod.getResponseBodyAsString();
        getMethod.releaseConnection();
        LOGGER.debug(svgContents);

        diagram.setEncodedImage(svgContents);
        TranscoderInput input = new TranscoderInput(new ByteArrayInputStream(svgContents.getBytes()));
        BufferedImageTranscoder imageTranscoder = new BufferedImageTranscoder();
        imageTranscoder.transcode(input, null);

        // log any errors to the UI console
        JSONArray errors = json.getJSONArray("errors");
        for (int eIdx = 0; eIdx < errors.length(); ++eIdx) {
            LOGGER.error("JSON error: " + errors.getString(eIdx));
        }
        return imageTranscoder.getBufferedImage();

    } catch (MalformedURLException e) {
        throw new RendererException(e);
    } catch (IOException e) {
        throw new RendererException(e);
    } catch (TranscoderException e) {
        throw new RendererException(e);
    }
}

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From source file:nl.ru.ai.projects.parrot.tools.TwitterAccess.java

/**
 * Uploads an image/*w w  w.  j a  v a2s.c o m*/
 * @param image The image to upload
 * @param tweet The text of the tweet that needs to be posted with the image
 */
public void uploadImage(byte[] image, String tweet) {
    if (!enabled)
        return;

    ByteArrayOutputStream baos = new ByteArrayOutputStream();
    RenderedImage img = getImageFromCamera(image);
    try {
        ImageIO.write(img, "jpg", baos);
        URL url = new URL("http://api.imgur.com/2/upload.json");
        String data = URLEncoder.encode("image", "UTF-8") + "="
                + URLEncoder.encode(Base64.encodeBase64String(baos.toByteArray()), "UTF-8");
        data += "&" + URLEncoder.encode("key", "UTF-8") + "="
                + URLEncoder.encode("f9c4861fc0aec595e4a64dd185751d28", "UTF-8");

        URLConnection conn = url.openConnection();
        conn.setDoOutput(true);
        OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
        wr.write(data);
        wr.flush();

        StringBuffer buffer = new StringBuffer();
        InputStreamReader isr = new InputStreamReader(conn.getInputStream());
        Reader in = new BufferedReader(isr);
        int ch;
        while ((ch = in.read()) > -1)
            buffer.append((char) ch);

        String imgURL = processJSON(buffer.toString());
        setStatus(tweet + " " + imgURL, 100);
    } catch (IOException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }
}

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From source file:org.jabsorb.client.URLConnectionSession.java

public JSONObject sendAndReceive(JSONObject message) {
    try {/*  w  w w  .  ja  va  2s .  com*/
        URLConnection connection = url.openConnection();
        connection.setDoOutput(true);
        // As per http://java.sun.com/docs/books/tutorial/networking/urls/readingWriting.html
        Writer request = new OutputStreamWriter(connection.getOutputStream());
        request.write(message.toString());
        request.close();
        // TODO the following sequence of reading a string out of output stream is too complicated
        // there must be a simpler way
        StringBuffer builder = new StringBuffer(1024);
        char[] buffer = new char[1024];
        Reader reader = new InputStreamReader(connection.getInputStream());
        while (true) {
            int bytesRead = reader.read(buffer);
            if (bytesRead < 0)
                break;
            builder.append(buffer, 0, bytesRead);
        }
        reader.close();
        JSONTokener tokener = new JSONTokener(builder.toString());
        Object rawResponseMessage = tokener.nextValue();
        JSONObject responseMessage = (JSONObject) rawResponseMessage;
        if (responseMessage == null)
            throw new ClientError("Invalid response type - " + rawResponseMessage.getClass());
        return responseMessage;
    } catch (IOException ex) {
        throw new ClientError(ex);
    } catch (JSONException ex) {
        throw new ClientError(ex);
    }
}

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From source file:com.google.ie.common.util.ReCaptchaUtility.java

/**
 * /*w w  w.  j a  v  a  2s.  c om*/
 * This method makes a post request to captcha server for verification of
 * captcha.
 * 
 * @param postUrl the url of the server
 * @param postParameters the parameters making the post request
 * @return String the message from the server in response to the request
 *         posted
 * @throws IOException
 */
private String sendPostRequest(String postUrl, String postParameters) throws IOException {
    OutputStream out = null;
    String message = null;
    InputStream in = null;
    try {
        URL url = new URL(postUrl);

        /* open connection with settings */
        URLConnection urlConnection = url.openConnection();
        urlConnection.setDoOutput(true);
        urlConnection.setDoInput(true);

        /* open output stream */
        out = urlConnection.getOutputStream();
        out.write(postParameters.getBytes());
        out.flush();

        /* open input stream */
        in = urlConnection.getInputStream();

        /* get output */
        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        byte[] buf = new byte[1024];
        while (true) {
            int rc = in.read(buf);
            if (rc <= 0)
                break;
            bout.write(buf, 0, rc);
        }
        message = bout.toString();
        /* close streams */
        out.close();
        in.close();
        return message;
    } catch (IOException e) {
        LOG.error("Cannot load URL: " + e.getMessage());
        out.close();
        in.close();
        return null;
    }
}

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From source file:de.liedtke.data.url.BasicDAOUrl.java

protected JSONObject requestUrl(final String daoName, final String methodName, final String jsonValue)
        throws JSONException {
    String jsonString = null;//from www  .  jav a2  s.  c o m
    try {
        // Construct data
        final StringBuilder params = new StringBuilder();
        params.append(URLEncoder.encode("daoName", Constants.UTF8));
        params.append("=");
        params.append(URLEncoder.encode(daoName, Constants.UTF8));
        params.append("&");
        params.append(URLEncoder.encode("methodName", Constants.UTF8));
        params.append("=");
        params.append(URLEncoder.encode(methodName, Constants.UTF8));
        if (jsonValue != null) {
            params.append("&");
            params.append(URLEncoder.encode("jsonValue", Constants.UTF8));
            params.append("=");
            params.append(URLEncoder.encode(jsonValue, Constants.UTF8));
        }
        params.append("&");
        params.append(URLEncoder.encode("kind", Constants.UTF8));
        params.append("=");
        params.append(URLEncoder.encode(ResultKind.JSON.toString(), Constants.UTF8));

        // Send data
        URL url = new URL(address);
        URLConnection conn = url.openConnection();
        conn.setDoOutput(true);
        OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream());
        wr.write(params.toString());
        wr.flush();

        // Get the response
        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        final StringBuilder sBuilder = new StringBuilder();
        String line;
        while ((line = rd.readLine()) != null) {
            sBuilder.append(line);
        }
        jsonString = sBuilder.toString();
        wr.close();
        rd.close();
    } catch (UnsupportedEncodingException e) {
        logger.warning("UnsupportedEncodingException occured: " + e.getMessage());
    } catch (IOException e) {
        logger.warning("IOException occured: " + e.getMessage());
    }
    JSONObject json = null;
    if (jsonString == null) {
        json = null;
    } else {
        json = new JSONObject(jsonString);
    }
    return json;
}

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From source file:org.jabsorb.ng.client.URLConnectionSession.java

public JSONObject sendAndReceive(JSONObject message) {

    try {//  w w w. java 2  s.c om
        URLConnection connection = url.openConnection();
        connection.setDoOutput(true);
        // As per
        // http://java.sun.com/docs/books/tutorial/networking/urls/readingWriting.html
        Writer request = new OutputStreamWriter(connection.getOutputStream());
        request.write(message.toString());
        request.close();
        // TODO the following sequence of reading a string out of output
        // stream is too complicated
        // there must be a simpler way
        StringBuffer builder = new StringBuffer(1024);
        char[] buffer = new char[1024];
        Reader reader = new InputStreamReader(connection.getInputStream());
        while (true) {
            int bytesRead = reader.read(buffer);
            if (bytesRead < 0)
                break;
            builder.append(buffer, 0, bytesRead);
        }
        reader.close();
        JSONTokener tokener = new JSONTokener(builder.toString());
        Object rawResponseMessage = tokener.nextValue();
        JSONObject responseMessage = (JSONObject) rawResponseMessage;
        if (responseMessage == null)
            throw new ClientError("Invalid response type - " + rawResponseMessage.getClass());
        return responseMessage;
    } catch (IOException ex) {
        throw new ClientError(ex);
    } catch (JSONException ex) {
        throw new ClientError(ex);
    }
}

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From source file:eu.europa.esig.dss.client.http.NativeHTTPDataLoader.java

@Override
public byte[] post(String url, byte[] content) {
    OutputStream out = null;//from w ww.  java 2 s.c  om
    InputStream inputStream = null;
    byte[] result = null;
    try {
        URLConnection connection = new URL(url).openConnection();

        connection.setDoInput(true);
        connection.setDoOutput(true);
        connection.setUseCaches(false);

        out = connection.getOutputStream();
        IOUtils.write(content, out);
        inputStream = connection.getInputStream();
        result = IOUtils.toByteArray(inputStream);
    } catch (IOException e) {
        throw new DSSException("An error occured while HTTP POST for url '" + url + "' : " + e.getMessage(), e);
    } finally {
        IOUtils.closeQuietly(out);
        IOUtils.closeQuietly(inputStream);
    }
    return result;
}

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From source file:org.trpr.platform.batch.impl.job.ha.service.SyncServiceImpl.java

/**
 * Generic method which is used to send a request from request String
 * @param data The POST request string/*from   w  w w  .  j  ava 2 s .  c om*/
 * @param urlToConnect The URL of server
 * @return Response from server, empty string if no response received
 */
private String request(String data, String urlToConnect) {
    PrintWriter writer = null;
    OutputStream output = null;
    try {
        //Connecting..
        URL url = new URL(urlToConnect);
        URLConnection conn = url.openConnection();
        //POST method
        conn.setDoOutput(true);
        output = conn.getOutputStream();
        writer = new PrintWriter(new OutputStreamWriter(output, SyncServiceImpl.ENCODING), true); // true = Autoflush
        //Writing the response
        writer.println(data);
        //Reading the response
        BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String retline;
        String finalReturnValue = "";
        while ((retline = reader.readLine()) != null) {
            finalReturnValue += retline;
        }
        return finalReturnValue;
    } catch (IOException e) {
        LOGGER.error("Exception while pushing request", e);
    }
    return "Unexpected exception. See log for details";
}

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