Example usage for java.net HttpURLConnection getOutputStream

Introduction

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

Prototype

public OutputStream getOutputStream() throws IOException 

Source Link

Document

Returns an output stream that writes to this connection.

Usage

From source file:circleplus.app.http.AbstractHttpApi.java

protected BaseType executeHttpRequest(URL url, int method, JSONObject json, Parser<? extends BaseType> parser)
        throws IOException, Exception {
    InputStream is = null;/*  w  w  w .j  a va2  s.  c  o m*/
    OutputStream os = null;
    HttpURLConnection conn = null;
    try {
        if (method == REQUEST_METHOD_POST && json != null) {
            conn = getHttpURLConnection(url, method, true);
            byte[] bytes = json.toString(0).getBytes(UTF8_CHARSET);
            os = conn.getOutputStream();
            os.write(bytes);
            os.flush();
            os.close();
        } else {
            conn = getHttpURLConnection(url, method);
        }

        int response = conn.getResponseCode();
        if (D)
            Log.d(TAG, "Response code = " + response);

        switch (response) {
        case 200:
            is = conn.getInputStream();
            // TODO: calculate length
            String content = readStream(is, 2048 * 4);
            if (D)
                Log.d(TAG, content);
            return JSONUtils.consume(parser, content);

        // BAD REQUEST
        case 400:
            is = conn.getErrorStream();
            String errorContent = readStream(is, 128);
            if (D)
                Log.d(TAG, "Http code: 400. Error message: " + errorContent);
            return JSONUtils.consume(new StatusParser(), errorContent);

        case 404:
            if (D)
                Log.d(TAG, "Http code: 404");
            throw new IOException("Http code: 404");

        case 500:
            if (D)
                Log.d(TAG, "Http code: 500");
            throw new IOException("Http code: 500");

        default:
            if (D)
                Log.d(TAG, "Default case for status code reached: " + response);
            throw new IOException("Http code: " + response);
        }
    } finally {
        if (conn != null) {
            conn.disconnect();
        }
        if (is != null) {
            is.close();
        }
        if (os != null) {
            os.close();
        }
    }
}

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From source file:com.github.cambierr.jcollector.sender.OpenTsdbHttp.java

@Override
public void send(ConcurrentLinkedQueue<Metric> _metrics) throws IOException {

    JSONArray entries = toJson(_metrics);

    if (entries.length() == 0) {
        return;//  w  ww  .  j a  va2  s  .c o m
    }

    HttpURLConnection conn = (HttpURLConnection) host.openConnection();
    if (auth != null) {
        conn.setRequestProperty("Authorization", auth.getAuth());
    }

    conn.setDoOutput(true);
    conn.setRequestMethod("POST");
    conn.setRequestProperty("Content-Type", "application/json");

    OutputStream body = conn.getOutputStream();
    body.write(entries.toString().getBytes());
    body.flush();

    if (conn.getResponseCode() >= 400) {
        BufferedReader responseBody = new BufferedReader(new InputStreamReader((conn.getErrorStream())));
        String output;
        StringBuilder sb = new StringBuilder("Could not push data to OpenTSDB through ")
                .append(getClass().getSimpleName()).append("\n");
        while ((output = responseBody.readLine()) != null) {
            sb.append(output).append("\n");
        }
        Worker.logger.log(Level.WARNING, sb.toString());
        throw new IOException(conn.getResponseMessage() + " (" + conn.getResponseCode() + ")");
    }
}

---

From source file:com.cd.reddit.http.RedditRequestor.java

public RedditRequestResponse executePost(RedditRequestInput input) throws RedditException {
    HttpURLConnection connection = getConnection(input);

    connection.setDoOutput(true);/* w  w w.j av a2 s .c o  m*/

    try {
        connection.setRequestMethod("POST");
    } catch (ProtocolException e) {
        throw new RedditException(e);
    }

    OutputStream outputStream = null;

    try {
        outputStream = connection.getOutputStream();
        IOUtils.write(generateUrlEncodedForm(input.getFormParams()), outputStream, "UTF-8");
    } catch (IOException e) {
        throw new RedditException(e);
    } finally {
        IOUtils.closeQuietly(outputStream);
    }

    return readResponse(connection, input);
}

---

From source file:com.twotoasters.android.hoot.HootTransportHttpUrlConnection.java

private void setMultipartEntity(HootRequest request, HttpURLConnection connection) throws IOException {
    OutputStream os = null;//from   www  .  j  a  va2 s. c  om
    MultipartEntity entity = request.getMultipartEntity();
    try {
        connection.setRequestProperty(entity.getContentType().getName(), entity.getContentType().getValue());

        os = new BufferedOutputStream(connection.getOutputStream(),
                (int) request.getMultipartEntity().getContentLength());
        entity.writeTo(os);
    } finally {
        if (os != null) {
            try {
                os.flush();
                os.close();
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}

---

From source file:de.openknowledge.jaxrs.versioning.AddressResourceTest.java

private InputStream send(URL url, String method, String resource) throws IOException {
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    connection.setDoOutput(true);/*from w  w w . j a v  a  2s  . com*/
    connection.setRequestMethod(method);
    connection.setRequestProperty("Content-Type", "application/json");
    PrintWriter writer = new PrintWriter(connection.getOutputStream());
    for (String line : IOUtils.readLines(AddressV1.class.getResourceAsStream(resource))) {
        writer.write(line);
    }
    writer.close();
    return connection.getInputStream();
}

---

From source file:edu.illinois.cs.cogcomp.pipeline.server.ServerClientAnnotator.java

/**
 * The method is synchronized since the caching seems to have issues upon mult-threaded caching
 * @param overwrite if true, it would overwrite the values on cache
 *///from  ww w. ja  v a2  s.  com
public synchronized TextAnnotation annotate(String str, boolean overwrite) throws Exception {
    String viewsConnected = Arrays.toString(viewsToAdd);
    String views = viewsConnected.substring(1, viewsConnected.length() - 1).replace(" ", "");
    ConcurrentMap<String, byte[]> concurrentMap = (db != null)
            ? db.hashMap(viewName, Serializer.STRING, Serializer.BYTE_ARRAY).createOrOpen()
            : null;
    String key = DigestUtils.sha1Hex(str + views);
    if (!overwrite && concurrentMap != null && concurrentMap.containsKey(key)) {
        byte[] taByte = concurrentMap.get(key);
        return SerializationHelper.deserializeTextAnnotationFromBytes(taByte);
    } else {
        URL obj = new URL(url + ":" + port + "/annotate");
        HttpURLConnection con = (HttpURLConnection) obj.openConnection();
        con.setRequestMethod("POST");
        con.setRequestProperty("charset", "utf-8");
        con.setRequestProperty("Content-Type", "text/plain; charset=utf-8");

        con.setDoOutput(true);
        con.setUseCaches(false);

        OutputStreamWriter wr = new OutputStreamWriter(con.getOutputStream());
        wr.write("text=" + URLEncoder.encode(str, "UTF-8") + "&views=" + views);
        wr.flush();

        InputStreamReader reader = new InputStreamReader(con.getInputStream());
        BufferedReader in = new BufferedReader(reader);
        String inputLine;
        StringBuilder response = new StringBuilder();
        while ((inputLine = in.readLine()) != null) {
            response.append(inputLine);
        }
        in.close();
        reader.close();
        wr.close();
        con.disconnect();
        TextAnnotation ta = SerializationHelper.deserializeFromJson(response.toString());
        if (concurrentMap != null) {
            concurrentMap.put(key, SerializationHelper.serializeTextAnnotationToBytes(ta));
            this.db.commit();
        }
        return ta;
    }
}

---

From source file:com.iflytek.android.framework.volley.toolbox.HurlStack.java

@SuppressWarnings("deprecation")
/* package */static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    VolleyLog.e("======setConnectionParametersForRequest:");
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards
        // compatibility.
        // If the request's post body is null, then the assumption is that
        // the request is
        // GET. Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length
            // explicitly,
            // since this is handled by HttpURLConnection using the size of
            // the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);//from   w  w w.j a v  a 2s  .co m
            out.close();
        }
        break;
    case Method.GET:
        // Not necessary to set the request method because connection
        // defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case Method.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case Method.POST:

        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case Method.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    case Method.HEAD:
        connection.setRequestMethod("HEAD");
        break;
    case Method.OPTIONS:
        connection.setRequestMethod("OPTIONS");
        break;
    case Method.TRACE:
        connection.setRequestMethod("TRACE");
        break;
    case Method.PATCH:
        connection.setRequestMethod("PATCH");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

---

From source file:com.ibm.iot.auto.bluemix.samples.ui.Connection.java

private HttpURLConnection createHttpURLPostConnection(String urlTail, JSONObject parameters)
        throws IOException, JSONException {
    URL url = new URL(apiBaseUrl + urlTail + "?tenant_id=" + tenantId);
    HttpURLConnection httpURLConnection = (HttpURLConnection) url.openConnection();
    httpURLConnection.setRequestProperty("Authorization", "Basic " + authorizationValue);
    httpURLConnection.setRequestMethod("POST");
    httpURLConnection.setDoOutput(true);
    OutputStreamWriter connectionOutputStreamWriter = new OutputStreamWriter(
            httpURLConnection.getOutputStream());
    parameters.write(connectionOutputStreamWriter);
    return httpURLConnection;
}

---

From source file:com.daidiansha.acarry.control.network.core.volley.toolbox.HurlStack.java

@SuppressWarnings("deprecation")
/* package */ static void setConnectionParametersForRequest(HttpURLConnection connection, Request<?> request)
        throws IOException, AuthFailureError {
    switch (request.getMethod()) {
    case Method.DEPRECATED_GET_OR_POST:
        // This is the deprecated way that needs to be handled for backwards
        // compatibility.
        // If the request's post body is null, then the assumption is that
        // the request is
        // GET. Otherwise, it is assumed that the request is a POST.
        byte[] postBody = request.getPostBody();
        if (postBody != null) {
            // Prepare output. There is no need to set Content-Length
            // explicitly,
            // since this is handled by HttpURLConnection using the size of
            // the prepared
            // output stream.
            connection.setDoOutput(true);
            connection.setRequestMethod("POST");
            connection.addRequestProperty(HEADER_CONTENT_TYPE, request.getPostBodyContentType());
            DataOutputStream out = new DataOutputStream(connection.getOutputStream());
            out.write(postBody);/*from w w w.  jav a2 s . c  o  m*/
            out.close();
        }
        break;
    case Method.GET:
        // Not necessary to set the request method because connection
        // defaults to GET but
        // being explicit here.
        connection.setRequestMethod("GET");
        break;
    case Method.DELETE:
        connection.setRequestMethod("DELETE");
        break;
    case Method.POST:
        connection.setRequestMethod("POST");
        addBodyIfExists(connection, request);
        break;
    case Method.PUT:
        connection.setRequestMethod("PUT");
        addBodyIfExists(connection, request);
        break;
    case Method.HEAD:
        connection.setRequestMethod("HEAD");
        break;
    case Method.OPTIONS:
        connection.setRequestMethod("OPTIONS");
        break;
    case Method.TRACE:
        connection.setRequestMethod("TRACE");
        break;
    case Method.PATCH:
        // connection.setRequestMethod("PATCH");
        // If server doesnt support patch uncomment this
        connection.setRequestMethod("POST");
        connection.setRequestProperty("X-HTTP-Method-Override", "PATCH");
        addBodyIfExists(connection, request);
        break;
    default:
        throw new IllegalStateException("Unknown method type.");
    }
}

---

From source file:MainFrame.CheckConnection.java

private boolean isOnline() throws MalformedURLException, IOException, Exception {
    String url = "http://www.itstepdeskview.hol.es";
    URL obj = new URL(url);
    HttpURLConnection con = (HttpURLConnection) obj.openConnection();

    //add reuqest header
    con.setRequestMethod("POST");
    con.setRequestProperty("User-Agent", "Mozilla/5.0");
    con.setRequestProperty("Accept-Language", "en-US,en;q=0.5");

    String urlParameters = "apideskviewer.checkStatus={}";

    // Send post request
    con.setDoOutput(true);//from w ww .ja  v a  2 s.co  m
    DataOutputStream wr = new DataOutputStream(con.getOutputStream());
    wr.writeBytes(urlParameters);
    wr.flush();
    wr.close();

    int responseCode = con.getResponseCode();
    //        System.out.println("\nSending 'POST' request to URL : " + url);
    //        System.out.println("Post parameters : " + urlParameters);
    //        System.out.println("Response Code : " + responseCode);

    BufferedReader in = new BufferedReader(new InputStreamReader(con.getInputStream()));

    JSONParser parser = new JSONParser();
    Object parsedResponse = parser.parse(in);

    JSONObject jsonParsedResponse = (JSONObject) parsedResponse;

    String s = (String) jsonParsedResponse.get("response");
    if (s.equals("online")) {
        return true;
    } else {
        return false;
    }
}

---

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