Example usage for java.net URLConnection getInputStream

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:com.easou.common.util.CommonUtils.java

/**
 * Contacts the remote URL and returns the response.
 * // w  ww. ja va  2 s.  c  om
 * @param constructedUrl
 *            the url to contact.
 * @param hostnameVerifier
 *            Host name verifier to use for HTTPS connections.
 * @param encoding
 *            the encoding to use.
 * @return the response.
 */
public static String getResponseFromServer(final URL constructedUrl, final HostnameVerifier hostnameVerifier,
        final String encoding) {
    URLConnection conn = null;
    try {
        conn = constructedUrl.openConnection();
        if (conn instanceof HttpsURLConnection) {
            ((HttpsURLConnection) conn).setHostnameVerifier(hostnameVerifier);
        }
        final BufferedReader in;

        if (CommonUtils.isEmpty(encoding)) {
            in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        } else {
            in = new BufferedReader(new InputStreamReader(conn.getInputStream(), encoding));
        }

        String line;
        final StringBuilder stringBuffer = new StringBuilder(255);

        while ((line = in.readLine()) != null) {
            stringBuffer.append(line);
            stringBuffer.append("\n");
        }
        return stringBuffer.toString();
    } catch (final Exception e) {
        LOG.error(e.getMessage(), e);
        throw new RuntimeException(e);
    } finally {
        if (conn != null && conn instanceof HttpURLConnection) {
            ((HttpURLConnection) conn).disconnect();
        }
    }

}

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From source file:fr.gael.dhus.service.ProductService.java

private static boolean checkUrl(URL url) {
    Objects.requireNonNull(url, "`url` parameter must not be null");

    // OData Synchronized product, DELME
    if (url.getPath().endsWith("$value")) {
        // Ignoring ...
        return true;
    }/*w w w  .j ava 2s  .co m*/

    // Case of simple file
    try {
        File f = new File(url.toString());
        if (f.exists())
            return true;
    } catch (Exception e) {
        logger.debug("url \"" + url + "\" not formatted as a file");
    }

    // Case of local URL
    try {
        URI local = new File(".").toURI();
        URI uri = local.resolve(url.toURI());
        File f = new File(uri);
        if (f.exists())
            return true;
    } catch (Exception e) {
        logger.debug("url \"" + url + "\" not a local URL");
    }

    // Case of remote URL
    try {
        URLConnection con = url.openConnection();
        con.connect();
        InputStream is = con.getInputStream();
        is.close();
        return true;
    } catch (Exception e) {
        logger.debug("url \"" + url + "\" not a remote URL");
    }
    // Unrecovrable case
    return false;
}

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From source file:com.clavain.alerts.Methods.java

public static boolean sendSMSMessage(String message, String mobile_nr) {
    boolean retval = false;
    // http://smsflatrate.net/schnittstelle.php?key=ff&to=00491734631526&type=4&text=ALERT:%20Notification%20Test%20(HTTPS)%20-%20HTTP%20Critical-%20OK%20String%20not%20found
    try {/* w w  w .j a v a  2s . com*/
        if (p.getProperty("sms.provider").equals("smsflatrate")) {
            String key = p.getProperty("smsflatrate.key");
            String gw = p.getProperty("smsflatrate.gw");
            if (mobile_nr.startsWith("0049")) {
                gw = p.getProperty("smsflatrate.gwde");
            }
            String msg = URLEncoder.encode(message);
            URL url = new URL("http://smsflatrate.net/schnittstelle.php?key=" + key + "&to=" + mobile_nr
                    + "&type=" + gw + "&text=" + msg);
            URLConnection conn = url.openConnection();
            // open the stream and put it into BufferedReader
            BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String inputLine;
            String resp = "";
            while ((inputLine = br.readLine()) != null) {
                resp = inputLine;
            }
            //conn.getContent();      
            if (resp.trim().equals("100")) {
                retval = true;
            }
        } else if (p.getProperty("sms.provider").equals("bulksms")) {
            // http://bulksms.de:5567/eapi/submission/send_sms/2/2.0?username=ff&password=yt89hjfff98&message=Hey%20Fucker&msisdn=491734631526
            String msg = URLEncoder.encode(message);
            URL url = new URL("http://bulksms.de:5567/eapi/submission/send_sms/2/2.0?username="
                    + p.getProperty("bulksms.username") + "&password=" + p.getProperty("bulksms.password")
                    + "&message=" + msg + "&msisdn=" + mobile_nr);
            URLConnection conn = url.openConnection();
            // open the stream and put it into BufferedReader
            BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
            String inputLine;
            String resp = "";
            while ((inputLine = br.readLine()) != null) {
                resp = inputLine;
            }
            //conn.getContent();      
            if (resp.trim().startsWith("0")) {
                retval = true;
            }
        } else if (p.getProperty("sms.provider").equals("twilio")) {
            // reformat number?
            if (mobile_nr.startsWith("00")) {
                mobile_nr = "+" + mobile_nr.substring(2, mobile_nr.length());
            } else if (mobile_nr.startsWith("0")) {
                mobile_nr = "+" + mobile_nr.substring(1, mobile_nr.length());
            }
            TwilioRestClient client = new TwilioRestClient(p.getProperty("twilio.accountsid"),
                    p.getProperty("twilio.authtoken"));
            //String msg = URLEncoder.encode(message);
            // Build the parameters 
            List<NameValuePair> params = new ArrayList<>();
            params.add(new BasicNameValuePair("To", mobile_nr));
            params.add(new BasicNameValuePair("From", p.getProperty("twilio.fromnr")));
            params.add(new BasicNameValuePair("Body", message));

            MessageFactory messageFactory = client.getAccount().getMessageFactory();
            Message tmessage = messageFactory.create(params);
            logger.info("twilio: msg send to " + mobile_nr + " sid: " + tmessage.getSid() + " status: "
                    + tmessage.getStatus() + " twilio emsg: " + tmessage.getErrorMessage());

        } else if (p.getProperty("sms.provider").equals("script")) {
            List<String> commands = new ArrayList<String>();
            // add global timeout script
            commands.add(p.getProperty("sms.script"));
            commands.add(mobile_nr);
            commands.add(message);
            ProcessBuilder pb = new ProcessBuilder(commands).redirectErrorStream(true);
            logger.info("sms.script - Running: " + commands);
            Process p = pb.start();
            Integer rv = p.waitFor();
        }
    } catch (Exception ex) {
        retval = false;
        logger.error("sendSMSMessage Error: " + ex.getLocalizedMessage());
    }
    return retval;
}

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From source file:com.spinn3r.api.BaseClient.java

public static void closeQuietly(URLConnection conn) {
    try {//from   www . j  av a2s  . com
        if (conn != null) {
            InputStream is = conn.getInputStream();
            if (is != null) {
                is.close();
            }
        }
    } catch (IOException ignore) {
    }
}

---

From source file:imageLines.ImageHelpers.java

/**Read a jpeg image from a url into a BufferedImage*/
public static BufferedImage readAsBufferedImage(URL imageURL) {
    InputStream i = null;/*  w ww .j  a v a2  s .co  m*/
    try {
        URLConnection u = imageURL.openConnection();
        u.setRequestProperty("User-Agent",
                "Mozilla/5.0 (X11; Linux i686) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.151 Safari/535.19");
        if (u instanceof HttpURLConnection) {
            HttpURLConnection h = (HttpURLConnection) u;
            if (h.getResponseCode() == 403)
                throw new Exception("403 forbidden");
        }

        i = u.getInputStream();

        BufferedImage bi = ImageIO.read(i);
        return bi;
    } catch (Exception e) {
        System.out.println(e + " for " + imageURL.toString() + "\n");
        return null;
    } finally {
        try {
            i.close();
        } catch (IOException ex) {

        }
    }
}

---

From source file:com.alvermont.javascript.tools.shell.ShellMain.java

/**
 * Read file or url specified by <tt>path</tt>.
 * @return file or url content as <tt>byte[]</tt> or as <tt>String</tt> if
 * <tt>convertToString</tt> is true.
 *//*from w w  w.j  a v a  2  s.  c  om*/
private static Object readFileOrUrl(String path, boolean convertToString) {
    URL url = null;

    // Assume path is URL if it contains dot and there are at least
    // 2 characters in the protocol part. The later allows under Windows
    // to interpret paths with driver letter as file, not URL.
    if (path.indexOf(':') >= 2) {
        try {
            url = new URL(path);
        } catch (MalformedURLException ex) {
            log.debug("MalformedURLException in readFileOrUrl", ex);
        }
    }

    InputStream is = null;
    int capacityHint = 0;

    if (url == null) {
        final File file = new File(path);
        capacityHint = (int) file.length();

        try {
            is = new FileInputStream(file);
        } catch (IOException ex) {
            Context.reportError(ToolErrorReporter.getMessage("msg.couldnt.open", path));

            return null;
        }
    } else {
        try {
            final URLConnection uc = url.openConnection();
            is = uc.getInputStream();
            capacityHint = uc.getContentLength();

            // Ignore insane values for Content-Length
            if (capacityHint > (1 << 20)) {
                capacityHint = -1;
            }
        } catch (IOException ex) {
            Context.reportError(
                    ToolErrorReporter.getMessage("msg.couldnt.open.url", url.toString(), ex.toString()));

            return null;
        }
    }

    if (capacityHint <= 0) {
        capacityHint = 4096;
    }

    byte[] data;

    try {
        try {
            data = Kit.readStream(is, capacityHint);
        } finally {
            is.close();
        }
    } catch (IOException ex) {
        Context.reportError(ex.toString());

        return null;
    }

    Object result;

    if (!convertToString) {
        result = data;
    } else {
        // Convert to String using the default encoding
        // XXX: Use 'charset=' argument of Content-Type if URL?
        result = new String(data);
    }

    return result;
}

---

From source file:com.viettel.dms.download.DownloadFile.java

/**
 * Download file with urlConnection/*from w w w .j  av a  2  s.  com*/
 * @author : BangHN
 * since : 1.0
 */
public static void downloadWithURLConnection(String url, File output, File tmpDir) {
    BufferedOutputStream os = null;
    BufferedInputStream is = null;
    File tmp = null;
    try {
        VTLog.i("Download ZIPFile", "Downloading url :" + url);

        tmp = File.createTempFile("download", ".tmp", tmpDir);
        URL urlDownload = new URL(url);
        URLConnection cn = urlDownload.openConnection();
        cn.addRequestProperty("session", HTTPClient.sessionID);
        cn.setConnectTimeout(CONNECT_TIMEOUT);
        cn.setReadTimeout(READ_TIMEOUT);
        cn.connect();
        is = new BufferedInputStream(cn.getInputStream());
        os = new BufferedOutputStream(new FileOutputStream(tmp));
        //cp nht dung lng tp tin request
        fileSize = cn.getContentLength();
        //vn c tr?ng hp khng c ContentLength
        if (fileSize < 0) {
            //mc nh = 4 MB
            fileSize = 4 * 1024 * 1024;
        }
        copyStream(is, os);
        tmp.renameTo(output);
        tmp = null;
    } catch (IOException e) {
        ServerLogger.sendLog("Download ZIPFile", e.getMessage() + "\n" + e.toString() + "\n" + url, false,
                TabletActionLogDTO.LOG_EXCEPTION);
        VTLog.e("UnexceptionLog", VNMTraceUnexceptionLog.getReportFromThrowable(e));
        throw new RuntimeException(e);
    } catch (Exception e) {
        VTLog.e("UnexceptionLog", VNMTraceUnexceptionLog.getReportFromThrowable(e));
        ServerLogger.sendLog("Download ZIPFile", e.getMessage() + "\n" + e.toString() + "\n" + url, false,
                TabletActionLogDTO.LOG_EXCEPTION);
        throw new RuntimeException(e);
    } finally {
        if (tmp != null) {
            try {
                tmp.delete();
                tmp = null;
            } catch (Exception ignore) {
                ;
            }
        }
        if (is != null) {
            try {
                is.close();
                is = null;
            } catch (Exception ignore) {
                ;
            }
        }
        if (os != null) {
            try {
                os.close();
                os = null;
            } catch (Exception ignore) {
                ;
            }
        }
    }
}

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From source file:biz.varkon.shelvesom.provider.comics.ComicsStore.java

public static String sendGetRequest(String id) {
    String result = null;//  w ww .ja  va  2 s  .  co  m

    // Send a GET request to the servlet
    try {
        // Send data
        String urlStr = "http://" + mHost + CVInfo.buildGetPublisherQuery(id).build().toString();

        URL url = new URL(urlStr);
        URLConnection conn = url.openConnection();
        // Get the response
        BufferedReader rd = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        StringBuffer sb = new StringBuffer();
        String line;
        while ((line = rd.readLine()) != null) {
            sb.append(line);
        }
        rd.close();
        result = sb.toString();
    } catch (Exception e) {
        e.printStackTrace();
    }

    String[] restOfResult = result.split("name\": ");
    String resultName = restOfResult[1].substring(0, restOfResult[1].indexOf("}"));
    return resultName.replaceAll("\"", "");
}

---

From source file:com.google.dart.tools.update.core.internal.UpdateUtils.java

/**
 * Download a URL to a local file, notifying the given monitor along the way.
 *//*from   w ww  .j  a  v a  2s  .  c o m*/
public static void downloadFile(URL downloadUrl, File destFile, String taskName, IProgressMonitor monitor)
        throws IOException {

    URLConnection connection = downloadUrl.openConnection();
    FileOutputStream out = new FileOutputStream(destFile);

    int length = connection.getContentLength();

    monitor.beginTask(taskName, length);
    copyStream(connection.getInputStream(), out, monitor, length);
    monitor.done();
}

---

From source file:dictinsight.utils.io.HttpUtils.java

public static String getDataFromOtherServer(String url, String param) {
    PrintWriter out = null;//  ww w .  j  av  a 2 s.c o  m
    BufferedReader in = null;
    String result = "";
    try {
        URL realUrl = new URL(url);
        URLConnection conn = realUrl.openConnection();
        conn.setConnectTimeout(1000 * 10);
        conn.setRequestProperty("accept", "*/*");
        conn.setRequestProperty("connection", "Keep-Alive");
        conn.setRequestProperty("user-agent", "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
        conn.setDoOutput(true);
        conn.setDoInput(true);
        out = new PrintWriter(conn.getOutputStream());
        out.print(param);
        out.flush();
        in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        String line;
        while ((line = in.readLine()) != null) {
            result += line;
        }
    } catch (Exception e) {
        System.out.println("get date from " + url + param + " error!");
        e.printStackTrace();
    }
    // finally?????
    finally {
        try {
            if (out != null) {
                out.close();
            }
            if (in != null) {
                in.close();
            }
        } catch (IOException ex) {
            ex.printStackTrace();
        }
    }
    return result;
}

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