Example usage for java.net HttpURLConnection setUseCaches

List of usage examples for java.net HttpURLConnection setUseCaches

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Introduction

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

Prototype

public void setUseCaches(boolean usecaches)

Source Link

Document

Sets the value of the useCaches field of this URLConnection to the specified value.

Usage

From source file:core.Annotator.java

private String makeHttpRequest(List<Variant> variants) {
    final JSONObject message = getJsonMessage(variants);

    final String server = "http://grch37.rest.ensembl.org/vep/human/region";
    final String postBody = message.toString();
    try {/*from w w  w. j  ava  2 s.  c o m*/
        final URL url = new URL(server);
        final HttpURLConnection httpConnection = (HttpURLConnection) url.openConnection();
        httpConnection.setRequestMethod("POST");
        httpConnection.setRequestProperty("Content-Type", "application/json");
        httpConnection.setRequestProperty("Accept", "application/json");
        httpConnection.setRequestProperty("Content-Length", Integer.toString(postBody.getBytes().length));
        httpConnection.setUseCaches(false);
        httpConnection.setDoOutput(true);
        try (BufferedWriter writer = new BufferedWriter(
                new OutputStreamWriter(httpConnection.getOutputStream()))) {
            writer.write(postBody);
        }
        final int responseCode = httpConnection.getResponseCode();
        if (responseCode != 200) {
            println("VEP service unavailable");
            throw new RuntimeException("Response code was not 200. Detected response was " + responseCode);
        }
        try (BufferedReader reader = new BufferedReader(
                new InputStreamReader(httpConnection.getInputStream()))) {
            final StringBuilder builder = new StringBuilder();
            reader.lines().forEach(builder::append);
            //                System.out.println(builder.toString());
            return builder.toString();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    return null;
}

From source file:org.codehaus.mojo.tomcat.TomcatManager.java

/**
 * Invokes Tomcat manager with the specified command and content data.
 * //  w w  w. jav  a2 s . com
 * @param path the Tomcat manager command to invoke
 * @param data an input stream to the content data
 * @return the Tomcat manager response
 * @throws TomcatManagerException if the Tomcat manager request fails
 * @throws IOException if an i/o error occurs
 */
protected String invoke(String path, InputStream data) throws TomcatManagerException, IOException {
    HttpURLConnection connection = (HttpURLConnection) new URL(url + path).openConnection();
    connection.setAllowUserInteraction(false);
    connection.setDoInput(true);
    connection.setUseCaches(false);

    if (data == null) {
        connection.setDoOutput(false);
        connection.setRequestMethod("GET");
    } else {
        connection.setDoOutput(true);
        connection.setRequestMethod("PUT");
        connection.setRequestProperty("Content-Type", "application/octet-stream");
    }

    if (userAgent != null) {
        connection.setRequestProperty("User-Agent", userAgent);
    }
    connection.setRequestProperty("Authorization", toAuthorization(username, password));

    connection.connect();

    if (data != null) {
        pipe(data, connection.getOutputStream());
    }

    String response = toString(connection.getInputStream(), MANAGER_CHARSET);

    if (!response.startsWith("OK -")) {
        throw new TomcatManagerException(response);
    }

    return response;
}

From source file:com.nicolacimmino.expensestracker.tracker.expenses_api.ExpensesApiRequest.java

public boolean performRequest() {

    jsonResponseArray = null;//from  www . ja  v a2 s  . c o  m
    jsonResponseObject = null;

    HttpURLConnection connection = null;

    try {

        // Get the request JSON document as U*TF-8 encoded bytes, suitable for HTTP.
        mRequestData = ((mRequestData != null) ? mRequestData : new JSONObject());
        byte[] postDataBytes = mRequestData.toString(0).getBytes("UTF-8");

        URL url = new URL(mUrl);
        connection = (HttpURLConnection) url.openConnection();
        connection.setDoOutput(mRequestMethod == "GET" ? false : true); // No body data for GET
        connection.setDoInput(true);
        connection.setInstanceFollowRedirects(true);
        connection.setRequestMethod(mRequestMethod);
        connection.setUseCaches(false);

        // For all methods except GET we need to include data in the body.
        if (mRequestMethod != "GET") {
            connection.setRequestProperty("Content-Type", "application/json");
            connection.setRequestProperty("charset", "utf-8");
            connection.setRequestProperty("Content-Length", "" + Integer.toString(postDataBytes.length));

            DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
            wr.write(postDataBytes);
            wr.flush();
            wr.close();
        }

        if (connection.getResponseCode() == 200) {
            InputStreamReader in = new InputStreamReader((InputStream) connection.getContent());
            BufferedReader buff = new BufferedReader(in);
            String line = buff.readLine().toString();
            buff.close();
            Object json = new JSONTokener(line).nextValue();
            if (json.getClass() == JSONObject.class) {
                jsonResponseObject = (JSONObject) json;
            } else if (json.getClass() == JSONArray.class) {
                jsonResponseArray = (JSONArray) json;
            } // else members will be left to null indicating no valid response.
            return true;
        }

    } catch (MalformedURLException e) {
        Log.e(TAG, e.getMessage());
    } catch (IOException e) {
        Log.e(TAG, e.getMessage());
    } catch (JSONException e) {
        Log.e(TAG, e.getMessage());
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }

    return false;
}

From source file:CloudManagerAPI.java

private HttpURLConnection openConnection(final URL url, final Method method) throws IOException {
    // open the connection
    HttpURLConnection connection = (HttpURLConnection) url.openConnection();

    // use supplied method and configure the connection
    connection.setRequestMethod(method.toString());
    connection.setDoInput(true);/*  ww w .  j a v  a 2 s .c om*/
    connection.setDoOutput(true);
    connection.setUseCaches(false);

    // set the request headers
    connection.setRequestProperty(HEADER_KEY_TOKEN, token);
    connection.setRequestProperty(HEADER_KEY_VERSION, "" + version);

    return connection;
}

From source file:core.AbstractTest.java

private HttpURLConnection getHttpConnection(String sUrl, String sMethod) {
    URL uri = null;//  w  ww  .  jav a 2s. c o m
    HttpURLConnection conn = null;

    try {
        uri = new URL(sUrl);
        conn = (HttpURLConnection) uri.openConnection();
        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.setRequestMethod(sMethod); // POST, PUT, DELETE, GET
        conn.setUseCaches(false);
        conn.setRequestProperty("Cache-Control", "no-cache");
        conn.setRequestProperty("Connection", "Keep-Alive");
        //conn.setConnectTimeout(60000); //60 secs
        //conn.setReadTimeout(60000); //60 secs
        //conn.setRequestProperty("Accept-Encoding", "UTF-8");
    } catch (Exception e) {
        Assert.fail("Unable to get HttpConnection " + e.getMessage());
    }

    return conn;
}

From source file:com.licryle.httpposter.HttpPoster.java

/**
 * Opens a connection to the POST end point specified in the mConf
 * {@link HttpConfiguration} and sends the content of mEntity. Attempts to
 * read the answer from the server after the POST Request.
 * //  w  w  w  . j  a  v a 2  s .  com
 * @param mConf The {@link HttpConfiguration} of the request.
 * @param mEntity The Entity to send in the HTTP Post. Should be built using
 *                {@link #_buildEntity}.
 *
 * @return The result of the HTTP Post request. Either #SUCCESS,
 * #FAILURE_CONNECTION, #FAILURE_TRANSFER, #FAILURE_RESPONSE,
 * #FAILURE_MALFORMEDURL.
 *
 * @see HttpConfiguration
 * @see _ProgressiveEntity
 */
protected Long _httpPost(HttpConfiguration mConf, _ProgressiveEntity mEntity) {
    Log.d("HttpPoster", String.format("_httpPost: Entering Instance %d", _iInstanceId));

    /******** Open request ********/
    try {
        HttpURLConnection mConn = (HttpURLConnection) mConf.getEndPoint().openConnection();

        mConn.setRequestMethod("POST");
        mConn.setRequestProperty("Content-Type", "multipart/form-data; boundary=" + mConf.getHTTPBoundary());

        mConn.setDoInput(true);
        mConn.setDoOutput(true);
        mConn.setUseCaches(false);
        mConn.setReadTimeout(mConf.getReadTimeout());
        mConn.setConnectTimeout(mConf.getConnectTimeout());
        mConn.setInstanceFollowRedirects(false);

        mConn.connect();

        Log.d("HttpPoster", String.format("_httpPost: Connected for Instance %d", _iInstanceId));

        try {
            /********** Write request ********/
            _dispatchOnStartTransfer();

            Log.d("HttpPoster", String.format("_httpPost: Sending for Instance %d", _iInstanceId));

            mEntity.writeTo(mConn.getOutputStream());
            mConn.getOutputStream().flush();
            mConn.getOutputStream().close();

            _iResponseCode = mConn.getResponseCode();
            try {
                Log.d("HttpPoster", String.format("_httpPost: Reading for Instance %d", _iInstanceId));

                _readServerAnswer(mConn.getInputStream());
                return SUCCESS;
            } catch (IOException e) {
                return FAILURE_RESPONSE;
            }
        } catch (Exception e) {
            Log.d("HTTPParser", e.getMessage());
            e.printStackTrace();

            return FAILURE_TRANSFER;
        } finally {
            if (mConn != null) {
                Log.d("HttpPoster", String.format("_httpPost: Disconnecting Instance %d", _iInstanceId));

                mConn.disconnect();
            }
        }
    } catch (Exception e) {
        return FAILURE_CONNECTION;
    }
}

From source file:calliope.db.CouchConnection.java

/**
 * Get a document's revid/*from  w w w. ja v a 2  s.  com*/
 * @param db the database name
 * @param docID a prepared docID
 * @return a string or null to indicate it isn't there
 */
private String getRevId(String db, String docID) throws AeseException {
    HttpURLConnection conn = null;
    try {
        String login = (user == null) ? "" : user + ":" + password + "@";
        URL u = new URL("http://" + login + host + ":" + dbPort + "/" + db + "/" + docID);
        conn = (HttpURLConnection) u.openConnection();
        conn.setRequestMethod("HEAD");
        conn.setRequestProperty("Content-Type", MIMETypes.JSON);
        conn.setUseCaches(false);
        conn.setDoInput(true);
        conn.setDoOutput(true);
        conn.connect();
        //Get Response   
        String revid = conn.getHeaderField("ETag");
        if (revid != null)
            revid = revid.replaceAll("\"", "");
        conn.disconnect();
        return revid;
    } catch (Exception e) {
        if (conn != null)
            conn.disconnect();
        throw new AeseException(e);
    }
}

From source file:com.docdoku.client.actions.MainController.java

private void performHeadHTTPMethod(String pURL) throws MalformedURLException, IOException {
    MainModel model = MainModel.getInstance();
    URL url = new URL(pURL);
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setUseCaches(false);
    conn.setAllowUserInteraction(true);//from www  . j a  v a  2s .  c  o m
    conn.setRequestProperty("Connection", "Keep-Alive");
    byte[] encoded = org.apache.commons.codec.binary.Base64
            .encodeBase64((model.getLogin() + ":" + model.getPassword()).getBytes("ISO-8859-1"));
    conn.setRequestProperty("Authorization", "Basic " + new String(encoded, "US-ASCII"));
    conn.setRequestMethod("HEAD");
    conn.connect();
    int code = conn.getResponseCode();
    System.out.println("Head HTTP response code: " + code);
}

From source file:net.namecoin.NameCoinI2PResolver.HttpSession.java

public String executePost(String postdata) throws HttpSessionException {
    URL url;/*w  w  w  .java  2 s  .c o  m*/
    HttpURLConnection connection = null;
    try {
        //Create connection
        url = new URL(this.uri);
        connection = (HttpURLConnection) url.openConnection();
        connection.setRequestMethod("POST");
        connection.setRequestProperty("Content-Type", POST_CONTENT_TYPE);
        connection.setRequestProperty("User-Agent", "java");

        if (!this.user.isEmpty() && !this.password.isEmpty()) {
            String authString = this.user + ":" + this.password;
            String authStringEnc = Base64.encodeBytes(authString.getBytes());
            connection.setRequestProperty("Authorization", "Basic " + authStringEnc);
        }

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

        //Send request
        DataOutputStream wr = new DataOutputStream(connection.getOutputStream());
        wr.writeBytes(postdata);
        wr.flush();
        wr.close();

        //Get Response
        InputStream is = connection.getInputStream();
        BufferedReader rd = new BufferedReader(new InputStreamReader(is));
        String line;
        StringBuffer response = new StringBuffer();
        while ((line = rd.readLine()) != null) {
            response.append(line);
            response.append('\r');
        }

        rd.close();

        if (connection.getResponseCode() != HttpURLConnection.HTTP_OK) {
            throw new HttpSessionException("Server returned: " + connection.getResponseMessage());
        }

        return response.toString();

    } catch (Exception e) {
        throw new HttpSessionException(e.getMessage());
    } finally {
        if (connection != null) {
            connection.disconnect();
        }
    }
}

From source file:com.norconex.committer.idol.IdolCommitter.java

/**
 * Creates a HTTP URL connection with the proper Post method and properties.
 * @param url the URL to open/*  www  . jav  a  2 s.co  m*/
 * @return HttpUrlConnection object
 */
private HttpURLConnection createURLConnection(String url) {
    URL targetURL;
    HttpURLConnection con = null;
    try {
        targetURL = new URL(url);
        con = (HttpURLConnection) targetURL.openConnection();
        con.setDoInput(true);
        con.setDoOutput(true);
        con.setUseCaches(false);
        con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
        // add request header
        con.setRequestMethod("POST");
    } catch (MalformedURLException e) {
        LOG.error("Something went wrong with the URL: " + url, e);
    } catch (IOException e) {
        LOG.error("I got an I/O problem trying to connect to the server", e);
    }
    return con;
}