Example usage for java.net URLConnection getInputStream

List of usage examples for java.net URLConnection getInputStream

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Introduction

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

Prototype

public InputStream getInputStream() throws IOException

Source Link

Document

Returns an input stream that reads from this open connection.

Usage

From source file:de.anycook.social.facebook.FacebookHandler.java

@SuppressWarnings("unchecked")
public static String publishtoWall(long facebookID, String accessToken, String message, String header)
        throws IOException {
    StringBuilder out = new StringBuilder();
    StringBuilder data = new StringBuilder();
    data.append("access_token=").append(URLEncoder.encode(accessToken, "UTF-8"));
    data.append("&message=").append(URLEncoder.encode(message, "UTF-8"));
    data.append("&name=").append(URLEncoder.encode(header, "UTF-8"));

    URL url = new URL("https://api.facebook.com/" + facebookID + "/feed");
    URLConnection conn = url.openConnection();
    conn.setDoOutput(true);//www .j av a2 s .  c o  m
    try (OutputStreamWriter wr = new OutputStreamWriter(conn.getOutputStream())) {
        wr.write(data.toString());
        wr.flush();

        try (BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()))) {
            String line;
            while ((line = rd.readLine()) != null) {
                out.append(line);
            }
        }
    }

    return out.toString();
}

From source file:me.fromgate.facechat.UpdateChecker.java

private static void updateLastVersion() {
    if (!enableUpdateChecker)
        return;//from   www. jav  a2  s  .co  m
    URL url = null;
    try {
        url = new URL(projectApiUrl);
    } catch (Exception e) {
        log("Failed to create URL: " + projectApiUrl);
        return;
    }
    try {
        URLConnection conn = url.openConnection();
        conn.addRequestProperty("X-API-Key", null);
        conn.addRequestProperty("User-Agent", projectName + " using UpdateChecker (by fromgate)");
        BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String response = reader.readLine();
        JSONArray array = (JSONArray) JSONValue.parse(response);
        if (array.size() > 0) {
            JSONObject latest = (JSONObject) array.get(array.size() - 1);
            String plugin_name = (String) latest.get("name");
            projectLastVersion = plugin_name.replace(projectName + " v", "").trim();
        }
    } catch (Exception e) {
        log("Failed to check last version");
    }
}

From source file:com.connectsdk.core.upnp.Device.java

public static Device createInstanceFromXML(String url, String searchTarget) {
    Device newDevice = null;/*from   w  w  w.  ja  v a  2s . c  om*/
    try {
        newDevice = new Device(url, searchTarget);
    } catch (IOException e) {
        return null;
    }

    final Device device = newDevice;

    DefaultHandler dh = new DefaultHandler() {
        String currentValue = null;
        Icon currentIcon;
        Service currentService;

        @Override
        public void characters(char[] ch, int start, int length) throws SAXException {
            currentValue = new String(ch, start, length);
        }

        @Override
        public void startElement(String uri, String localName, String qName, Attributes attributes)
                throws SAXException {
            if (Icon.TAG.equals(qName)) {
                currentIcon = new Icon();
            } else if (Service.TAG.equals(qName)) {
                currentService = new Service();
                currentService.baseURL = device.baseURL;
            }

        }

        @Override
        public void endElement(String uri, String localName, String qName) throws SAXException {
            //               System.out.println("[DEBUG] qName: " + qName + ", currentValue: " + currentValue);
            /* Parse device-specific information */
            if (TAG_DEVICE_TYPE.equals(qName)) {
                device.deviceType = currentValue;
            } else if (TAG_FRIENDLY_NAME.equals(qName)) {
                device.friendlyName = currentValue;
            } else if (TAG_MANUFACTURER.equals(qName)) {
                device.manufacturer = currentValue;
            } else if (TAG_MANUFACTURER_URL.equals(qName)) {
                device.manufacturerURL = currentValue;
            } else if (TAG_MODEL_DESCRIPTION.equals(qName)) {
                device.modelDescription = currentValue;
            } else if (TAG_MODEL_NAME.equals(qName)) {
                device.modelName = currentValue;
            } else if (TAG_MODEL_NUMBER.equals(qName)) {
                device.modelNumber = currentValue;
            } else if (TAG_MODEL_URL.equals(qName)) {
                device.modelURL = currentValue;
            } else if (TAG_SERIAL_NUMBER.equals(qName)) {
                device.serialNumber = currentValue;
            } else if (TAG_UDN.equals(qName)) {
                device.UDN = currentValue;

                //                   device.UUID = Device.parseUUID(currentValue);
            } else if (TAG_UPC.equals(qName)) {
                device.UPC = currentValue;
            }
            /* Parse icon-list information */
            else if (Icon.TAG_MIME_TYPE.equals(qName)) {
                currentIcon.mimetype = currentValue;
            } else if (Icon.TAG_WIDTH.equals(qName)) {
                currentIcon.width = currentValue;
            } else if (Icon.TAG_HEIGHT.equals(qName)) {
                currentIcon.height = currentValue;
            } else if (Icon.TAG_DEPTH.equals(qName)) {
                currentIcon.depth = currentValue;
            } else if (Icon.TAG_URL.equals(qName)) {
                currentIcon.url = currentValue;
            } else if (Icon.TAG.equals(qName)) {
                device.iconList.add(currentIcon);
            }
            /* Parse service-list information */
            else if (Service.TAG_SERVICE_TYPE.equals(qName)) {
                currentService.serviceType = currentValue;
            } else if (Service.TAG_SERVICE_ID.equals(qName)) {
                currentService.serviceId = currentValue;
            } else if (Service.TAG_SCPD_URL.equals(qName)) {
                currentService.SCPDURL = currentValue;
            } else if (Service.TAG_CONTROL_URL.equals(qName)) {
                currentService.controlURL = currentValue;
            } else if (Service.TAG_EVENTSUB_URL.equals(qName)) {
                currentService.eventSubURL = currentValue;
            } else if (Service.TAG.equals(qName)) {
                device.serviceList.add(currentService);
            }
        }
    };

    SAXParserFactory factory = SAXParserFactory.newInstance();

    SAXParser parser;
    try {
        URL mURL = new URL(url);
        URLConnection urlConnection = mURL.openConnection();
        InputStream in = new BufferedInputStream(urlConnection.getInputStream());
        try {
            parser = factory.newSAXParser();
            parser.parse(in, dh);
        } finally {
            in.close();
        }

        device.headers = urlConnection.getHeaderFields();

        return device;
    } catch (MalformedURLException e) {
        e.printStackTrace();
    } catch (ParserConfigurationException e) {
        e.printStackTrace();
    } catch (SAXException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    }

    return null;
}

From source file:test.ApplicationTest.java

static String call(final String request, final String contentType) {
    try {/*from  w  w  w. j  a v a 2  s .c  o m*/
        final URLConnection url = new URL("http://localhost:" + TEST_SERVER_PORT + "/" + request)
                .openConnection();
        url.setRequestProperty("Accept", contentType);
        return CharStreams.toString(new InputStreamReader(url.getInputStream(), Charsets.UTF_8));
    } catch (IOException e) {
        e.printStackTrace();
        return null;
    }
}

From source file:com.moviejukebox.themoviedb.tools.WebBrowser.java

public static String request(URL url) throws MovieDbException {
    StringWriter content = null;/*w w  w.j av a  2s  . co m*/

    try {
        content = new StringWriter();

        BufferedReader in = null;
        URLConnection cnx = null;
        try {
            cnx = openProxiedConnection(url);

            sendHeader(cnx);
            readHeader(cnx);

            in = new BufferedReader(new InputStreamReader(cnx.getInputStream(), getCharset(cnx)));
            String line;
            while ((line = in.readLine()) != null) {
                content.write(line);
            }
        } finally {
            if (in != null) {
                in.close();
            }

            if (cnx instanceof HttpURLConnection) {
                ((HttpURLConnection) cnx).disconnect();
            }
        }
        return content.toString();
    } catch (IOException ex) {
        throw new MovieDbException(MovieDbException.MovieDbExceptionType.CONNECTION_ERROR, null, ex);
    } finally {
        if (content != null) {
            try {
                content.close();
            } catch (IOException ex) {
                LOGGER.debug("Failed to close connection: " + ex.getMessage());
            }
        }
    }
}

From source file:com.yoctopuce.YoctoAPI.YFirmwareUpdate.java

static byte[] _downloadfile(String url) throws YAPI_Exception {
    ByteArrayOutputStream result = new ByteArrayOutputStream(1024);
    URL u = null;//from w w  w .  j av  a2  s . c  o m
    try {
        u = new URL(url);
    } catch (MalformedURLException e) {
        throw new YAPI_Exception(YAPI.IO_ERROR, e.getLocalizedMessage());
    }
    BufferedInputStream in = null;
    try {
        URLConnection connection = u.openConnection();
        in = new BufferedInputStream(connection.getInputStream());
        byte[] buffer = new byte[1024];
        int readed = 0;
        while (readed >= 0) {
            readed = in.read(buffer, 0, buffer.length);
            if (readed < 0) {
                // end of connection
                break;
            } else {
                result.write(buffer, 0, readed);
            }
        }

    } catch (IOException e) {
        throw new YAPI_Exception(YAPI.IO_ERROR,
                "unable to contact www.yoctopuce.com :" + e.getLocalizedMessage());
    } finally {
        if (in != null) {
            try {
                in.close();
            } catch (IOException ignore) {
            }
        }
    }
    return result.toByteArray();
}

From source file:com.qweex.callisto.moar.twit.java

public static String callURL(String myURL) {
    StringBuilder sb = new StringBuilder();
    URLConnection urlConn = null;
    InputStreamReader in = null;//from   w  w w  . ja v  a  2  s  .  c om
    try {
        URL url = new URL(myURL);
        urlConn = url.openConnection();
        if (urlConn != null)
            urlConn.setReadTimeout(60 * 1000);
        if (urlConn != null && urlConn.getInputStream() != null) {
            in = new InputStreamReader(urlConn.getInputStream(), Charset.defaultCharset());
            BufferedReader bufferedReader = new BufferedReader(in);
            if (bufferedReader != null) {
                int cp;
                while ((cp = bufferedReader.read()) != -1) {
                    sb.append((char) cp);
                }
                bufferedReader.close();
            }
        }
        in.close();
    } catch (Exception e) {
        throw new RuntimeException("Exception while calling URL:" + myURL, e);
    }

    return sb.toString();
}

From source file:fr.asso.vieillescharrues.parseurs.TelechargeFichier.java

/**
 * Mthode statique grant le tlechargement de fichiers
 * @param url Adresse du fichier//  w w  w . j av a2  s.  co  m
 * @param fichierDest Nom du ficher en local
 */
public static void DownloadFromUrl(URL url, String fichierDest) throws IOException {
    File file;
    if (fichierDest.endsWith(".jpg"))
        file = new File(PATH + "images/", fichierDest);
    else
        file = new File(PATH, fichierDest);
    file.getParentFile().mkdirs();
    URLConnection ucon = url.openConnection();

    try {
        tailleDistant = ucon.getHeaderFieldInt("Content-Length", 0); //Rcupre le header HTTP Content-Length
        tailleLocal = (int) file.length();
    } catch (Exception e) {
        e.printStackTrace();
    }
    // Compare les tailles des fichiers
    if ((tailleDistant == tailleLocal) && (tailleLocal != 0))
        return;

    InputStream is = ucon.getInputStream();
    BufferedInputStream bis = new BufferedInputStream(is);
    ByteArrayBuffer baf = new ByteArrayBuffer(50);
    int current = 0;
    while ((current = bis.read()) != -1) {
        baf.append((byte) current);
    }
    FileOutputStream fos = new FileOutputStream(file);
    fos.write(baf.toByteArray());
    fos.close();
}

From source file:com.bt.download.android.gui.transfers.HttpDownload.java

static void simpleHTTP(String url, OutputStream out, int timeout) throws Throwable {
    URL u = new URL(url);
    URLConnection con = u.openConnection();
    con.setConnectTimeout(timeout);//from  w ww  . j  a  v a  2s  . c  o  m
    con.setReadTimeout(timeout);
    InputStream in = con.getInputStream();
    try {

        byte[] b = new byte[1024];
        int n = 0;
        while ((n = in.read(b, 0, b.length)) != -1) {
            out.write(b, 0, n);
        }
    } finally {
        try {
            out.close();
        } catch (Throwable e) {
            // ignore   
        }
        try {
            in.close();
        } catch (Throwable e) {
            // ignore   
        }
    }
}

From source file:edu.stanford.muse.webapp.Accounts.java

/** does account setup and login (and look up default folder if well-known account) from the given request.
 * request params are loginName<N>, password<N>, etc (see loginForm for details).
 * returns an object with {status: 0} if success, or {status: <non-zero>, errorMessage: '... '} if failure.
 * if success and account has a well-known sent mail folder, the returned object also has something like: 
 * {defaultFolder: '[Gmail]/Sent Mail', defaultFolderCount: 1033}
 * accounts on the login page are numbered 0 upwards. */
public static JSONObject login(HttpServletRequest request, int accountNum) throws IOException, JSONException {
    JSONObject result = new JSONObject();

    HttpSession session = request.getSession();
    // allocate the fetcher if it doesn't already exist
    MuseEmailFetcher m = null;/*from  www .  ja  va 2  s .com*/
    synchronized (session) // synchronize, otherwise may lose the fetcher when multiple accounts are specified and are logged in to simult.
    {
        m = (MuseEmailFetcher) JSPHelper.getSessionAttribute(session, "museEmailFetcher");
        boolean doIncremental = request.getParameter("incremental") != null;

        if (m == null || !doIncremental) {
            m = new MuseEmailFetcher();
            session.setAttribute("museEmailFetcher", m);
        }
    }

    // note: the same params get posted with every accountNum
    // we'll update for all account nums, because sometimes account #0 may not be used, only #1 onwards. This should be harmless.
    // we used to do only altemailaddrs, but now also include the name.
    updateUserInfo(request);

    String accountType = request.getParameter("accountType" + accountNum);
    if (Util.nullOrEmpty(accountType)) {
        result.put("status", 1);
        result.put("errorMessage", "No information for account #" + accountNum);
        return result;
    }

    String loginName = request.getParameter("loginName" + accountNum);
    String password = request.getParameter("password" + accountNum);
    String protocol = request.getParameter("protocol" + accountNum);
    //   String port = request.getParameter("protocol" + accountNum);  // we don't support pop/imap on custom ports currently. can support server.com:port syntax some day
    String server = request.getParameter("server" + accountNum);
    String defaultFolder = request.getParameter("defaultFolder" + accountNum);

    if (server != null)
        server = server.trim();

    if (loginName != null)
        loginName = loginName.trim();

    // for these ESPs, the user may have typed in the whole address or just his/her login name
    if (accountType.equals("gmail") && loginName.indexOf("@") < 0)
        loginName = loginName + "@gmail.com";
    if (accountType.equals("yahoo") && loginName.indexOf("@") < 0)
        loginName = loginName + "@yahoo.com";
    if (accountType.equals("live") && loginName.indexOf("@") < 0)
        loginName = loginName + "@live.com";
    if (accountType.equals("stanford") && loginName.indexOf("@") < 0)
        loginName = loginName + "@stanford.edu";
    if (accountType.equals("gmail"))
        server = "imap.gmail.com";

    // add imapdb stuff here.
    boolean imapDBLookupFailed = false;
    String errorMessage = "";
    int errorStatus = 0;

    if (accountType.equals("email") && Util.nullOrEmpty(server)) {
        log.info("accountType = email");

        defaultFolder = "Sent";

        {
            // ISPDB from Mozilla
            imapDBLookupFailed = true;

            String emailDomain = loginName.substring(loginName.indexOf("@") + 1);
            log.info("Domain: " + emailDomain);

            // from http://suhothayan.blogspot.in/2012/05/how-to-install-java-cryptography.html
            // to get around the need for installingthe unlimited strength encryption policy files.
            try {
                Field field = Class.forName("javax.crypto.JceSecurity").getDeclaredField("isRestricted");
                field.setAccessible(true);
                field.set(null, java.lang.Boolean.FALSE);
            } catch (Exception ex) {
                ex.printStackTrace();
            }

            //            URL url = new URL("https://live.mozillamessaging.com/autoconfig/v1.1/" + emailDomain);
            URL url = new URL("https://autoconfig.thunderbird.net/v1.1/" + emailDomain);
            try {
                URLConnection urlConnection = url.openConnection();
                InputStream in = new BufferedInputStream(urlConnection.getInputStream());

                DocumentBuilderFactory dbFactory = DocumentBuilderFactory.newInstance();
                DocumentBuilder dBuilder = dbFactory.newDocumentBuilder();
                Document doc = dBuilder.parse(in);

                NodeList configList = doc.getElementsByTagName("incomingServer");
                log.info("configList.getLength(): " + configList.getLength());

                int i;
                for (i = 0; i < configList.getLength(); i++) {
                    Node config = configList.item(i);
                    NamedNodeMap attributes = config.getAttributes();
                    if (attributes.getNamedItem("type").getNodeValue().equals("imap")) {
                        log.info("[" + i + "] type: " + attributes.getNamedItem("type").getNodeValue());
                        Node param = config.getFirstChild();
                        String nodeName, nodeValue;
                        String paramHostName = "";
                        String paramUserName = "";
                        do {
                            if (param.getNodeType() == Node.ELEMENT_NODE) {
                                nodeName = param.getNodeName();
                                nodeValue = param.getTextContent();
                                log.info(nodeName + "=" + nodeValue);
                                if (nodeName.equals("hostname")) {
                                    paramHostName = nodeValue;
                                } else if (nodeName.equals("username")) {
                                    paramUserName = nodeValue;
                                }
                            }
                            param = param.getNextSibling();
                        } while (param != null);

                        log.info("paramHostName = " + paramHostName);
                        log.info("paramUserName = " + paramUserName);

                        server = paramHostName;
                        imapDBLookupFailed = false;
                        if (paramUserName.equals("%EMAILADDRESS%")) {
                            // Nothing to do with loginName
                        } else if (paramUserName.equals("%EMAILLOCALPART%")
                                || paramUserName.equals("%USERNAME%")) {
                            // Cut only local part
                            loginName = loginName.substring(0, loginName.indexOf('@') - 1);
                        } else {
                            imapDBLookupFailed = true;
                            errorMessage = "Invalid auto configuration";
                        }

                        break; // break after find first IMAP host name
                    }
                }
            } catch (Exception e) {
                Util.print_exception("Exception trying to read ISPDB", e, log);
                errorStatus = 2; // status code = 2 => ispdb lookup failed
                errorMessage = "No automatic configuration available for " + emailDomain
                        + ", please use the option to provide a private (IMAP) server. \nDetails: "
                        + e.getMessage()
                        + ". \nRunning with java -Djavax.net.debug=all may provide more details.";
            }
        }
    }

    if (imapDBLookupFailed) {
        log.info("ISPDB Fail");
        result.put("status", errorStatus);
        result.put("errorMessage", errorMessage);
        // add other fields here if needed such as server name attempted to be looked up in case the front end wants to give a message to the user
        return result;
    }

    boolean isServerAccount = accountType.equals("gmail") || accountType.equals("email")
            || accountType.equals("yahoo") || accountType.equals("live") || accountType.equals("stanford")
            || accountType.equals("gapps") || accountType.equals("imap") || accountType.equals("pop")
            || accountType.startsWith("Thunderbird");

    if (isServerAccount) {
        boolean sentOnly = "on".equals(request.getParameter("sent-messages-only"));
        return m.addServerAccount(server, protocol, defaultFolder, loginName, password, sentOnly);
    } else if (accountType.equals("mbox") || accountType.equals("tbirdLocalFolders")) {
        try {
            String mboxDir = request.getParameter("mboxDir" + accountNum);
            String emailSource = request.getParameter("emailSource" + accountNum);
            // for non-std local folders dir, tbird prefs.js has a line like: user_pref("mail.server.server1.directory-rel", "[ProfD]../../../../../../tmp/tb");
            log.info("adding mbox account: " + mboxDir);
            errorMessage = m.addMboxAccount(emailSource, mboxDir, accountType.equals("tbirdLocalFolders"));
            if (!Util.nullOrEmpty(errorMessage)) {
                result.put("errorMessage", errorMessage);
                result.put("status", 1);
            } else
                result.put("status", 0);
        } catch (MboxFolderNotReadableException e) {
            result.put("errorMessage", e.getMessage());
            result.put("status", 1);
        }
    } else {
        result.put("errorMessage", "Sorry, unknown account type: " + accountType);
        result.put("status", 1);
    }
    return result;
}