Example usage for java.net URLConnection getInputStream

List of usage examples for java.net URLConnection getInputStream

  1. HOME
  2. Java
  3. java
  4. java.net.*
  5. URLConnection
  6. 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.adobe.aem.demo.Analytics.java

public static void main(String[] args) {

    String hostname = null;//from w  w w . jav  a  2s.  c  o  m
    String url = null;
    String eventfile = null;

    // Command line options for this tool
    Options options = new Options();
    options.addOption("h", true, "Hostname");
    options.addOption("u", true, "Url");
    options.addOption("f", true, "Event data file");
    CommandLineParser parser = new BasicParser();
    try {
        CommandLine cmd = parser.parse(options, args);

        if (cmd.hasOption("u")) {
            url = cmd.getOptionValue("u");
        }

        if (cmd.hasOption("f")) {
            eventfile = cmd.getOptionValue("f");
        }

        if (cmd.hasOption("h")) {
            hostname = cmd.getOptionValue("h");
        }

        if (eventfile == null || hostname == null || url == null) {
            System.out.println("Command line parameters: -h hostname -u url -f path_to_XML_file");
            System.exit(-1);
        }

    } catch (ParseException ex) {

        logger.error(ex.getMessage());

    }

    URLConnection urlConn = null;
    DataOutputStream printout = null;
    BufferedReader input = null;
    String u = "http://" + hostname + "/" + url;
    String tmp = null;
    try {

        URL myurl = new URL(u);
        urlConn = myurl.openConnection();
        urlConn.setDoInput(true);
        urlConn.setDoOutput(true);
        urlConn.setUseCaches(false);
        urlConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        printout = new DataOutputStream(urlConn.getOutputStream());

        String xml = readFile(eventfile, StandardCharsets.UTF_8);
        printout.writeBytes(xml);
        printout.flush();
        printout.close();

        input = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));

        logger.debug(xml);
        while (null != ((tmp = input.readLine()))) {
            logger.debug(tmp);
        }
        printout.close();
        input.close();

    } catch (Exception ex) {

        logger.error(ex.getMessage());

    }

}

From source file:Main.java

public static void main(String args[]) throws Exception {
    int c;/*from  ww w. j a v a  2 s.  c  om*/
    URL hp = new URL("http://www.internic.net");
    URLConnection hpCon = hp.openConnection();

    long d = hpCon.getDate();
    if (d == 0)
        System.out.println("No date information.");
    else
        System.out.println("Date: " + new Date(d));

    System.out.println("Content-Type: " + hpCon.getContentType());

    d = hpCon.getExpiration();
    if (d == 0)
        System.out.println("No expiration information.");
    else
        System.out.println("Expires: " + new Date(d));

    d = hpCon.getLastModified();
    if (d == 0)
        System.out.println("No last-modified information.");
    else
        System.out.println("Last-Modified: " + new Date(d));

    int len = hpCon.getContentLength();
    if (len == -1)
        System.out.println("Content length unavailable.");
    else
        System.out.println("Content-Length: " + len);

    if (len != 0) {
        InputStream input = hpCon.getInputStream();
        int i = len;
        while (((c = input.read()) != -1)) { // && (--i > 0)) {
            System.out.print((char) c);
        }
        input.close();

    } else {
        System.out.println("No content available.");
    }

}

From source file:com.maverick.ssl.SSLSocket.java

public static void main(String[] args) {

    try {/* w ww.j  a va2s .c o m*/

        HttpsURLStreamHandlerFactory.addHTTPSSupport();

        URL url = new URL("https://localhost"); //$NON-NLS-1$

        URLConnection con = url.openConnection();
        con.setDoInput(true);
        con.setDoOutput(false);
        con.setAllowUserInteraction(false);

        con.setRequestProperty("Accept", //$NON-NLS-1$
                "image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/vnd.ms-excel, application/vnd.ms-powerpoint, application/msword, application/x-shockwave-flash, */*"); //$NON-NLS-1$
        con.setRequestProperty("Accept-Encoding", "gzip, deflate"); //$NON-NLS-1$ //$NON-NLS-2$
        con.setRequestProperty("Accept-Language", "en-gb"); //$NON-NLS-1$ //$NON-NLS-2$
        con.setRequestProperty("Connection", "Keep-Alive"); //$NON-NLS-1$ //$NON-NLS-2$
        con.setRequestProperty("User-Agent", //$NON-NLS-1$
                "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1; .NET CLR 1.1.4322)"); //$NON-NLS-1$

        con.connect();

        InputStream in = con.getInputStream();
        int read;

        while ((read = in.read()) > -1) {
            System.out.write(read);
        }

    } catch (SSLIOException ex) {
        ex.getRealException().printStackTrace();
    } catch (IOException ex) {
        ex.printStackTrace();
    }

}

From source file:com.zuora.api.UsageAdjInvoiceRegenerator.java

public static void main(String[] args) {

    String exportIdPRPC, exportIdII, exportFileIdII, exportFileIdPRPC, queryII, queryPRPC;

    boolean hasArgs = false;
    if (args != null && args.length >= 1) {
        UsageAdjInvoiceRegenerator.PROPERTY_FILE_NAME = args[0];
        hasArgs = true;//from  w  w w.j  a  va 2s.co m
    }
    AppParamManager.initParameters(hasArgs);
    if (!AppParamManager.TASK_ID.equals("")) {
        try {
            zApiClient = new ApiClient(AppParamManager.API_URL, AppParamManager.USER_NAME,
                    AppParamManager.USER_PASSWORD, AppParamManager.USER_SESSION);

            zApiClient.login();
        } catch (Exception ex) {
            Logger.print(ex);
            Logger.print("RefreshSession - There's exception in the API call.");
        }

        queryPRPC = AppParamManager.PRPCexportQuery;
        queryII = AppParamManager.IIexportQuery;

        exportIdPRPC = zApiClient.createExport(queryPRPC);

        exportIdII = zApiClient.createExport(queryII);

        // ERROR createExport fails
        if (exportIdII == null || exportIdII.equals("")) {
            Logger.print("Error. Failed to create Invoice Item Export");
            //return false;
        }

        // ERROR createExport fails
        if (exportIdPRPC == null || exportIdPRPC.equals("")) {
            Logger.print("Error. Failed to create PRPC export");
            //return false;
        }

        exportFileIdII = zApiClient.getExportFileId(exportIdII);

        if (exportFileIdII == null) {
            Logger.print("Error. Failed to get Invoice Item Export file Id");
            //log.closeLogFile();
            //return false;
        }

        exportFileIdPRPC = zApiClient.getExportFileId(exportIdPRPC);

        if (exportFileIdPRPC == null) {
            Logger.print("Error. Failed to get PRPC Export file Id");
            //log.closeLogFile();
            //return false;
        }
        // get the export file from zuora
        //zApiClient.getFile(exportFileIdII, exportFileIdTI);

        /*
        Logger.print("II export ID: "+exportFileIdII);
        Logger.print("TI export ID: "+exportFileIdTI);
        */

        Logger.print("Opening Export file");

        //Base64 bs64 = new BASE64Encoder();
        /*
        String login = AppParamManager.USER_NAME+":"+AppParamManager.USER_PASSWORD;
        String authorization ="Basic "+ Base64.encodeBase64String(login.getBytes());
        String zendpoint = "";
        */

        String authorization = "";
        //Base64 bs64 = new BASE64Encoder();
        if (AppParamManager.USER_SESSION.isEmpty()) {
            String login = AppParamManager.USER_NAME + ":" + AppParamManager.USER_PASSWORD;
            authorization = "Basic " + Base64.encodeBase64String(login.getBytes());
        } else {
            authorization = "ZSession " + AppParamManager.USER_SESSION;
        }
        String zendpoint = "";

        try {

            /*
            if( AppParamManager.API_URL.contains("api") ){
               //look in api sandbox
               zendpoint = "https://apisandbox.zuora.com/apps/api/file/";
            } else {
               //look in production
               zendpoint = "https://www.zuora.com/apps/api/file/";
            }
            */

            int index = AppParamManager.API_URL.indexOf("apps");
            index = index + 5;
            zendpoint = AppParamManager.API_URL.substring(0, index) + "api/file/";
            Logger.print(zendpoint);

            //zendpoint = AppParamManager.FILE_URL;

            //Start reading Invoice Items

            String zendpointII = zendpoint + exportFileIdII + "/";

            URL url = new URL(zendpointII);
            URLConnection uc = url.openConnection();
            //Logger.print("Opening invoice item file: "+exportFileIdII+" authorization: "+authorization);
            uc.setRequestProperty("Authorization", authorization);

            InputStream content = (InputStream) uc.getInputStream();
            BufferedReader in = new BufferedReader(new InputStreamReader(content));
            CSVReader cvsReader = new CSVReader(in);

            List<String[]> batchOfRawDataList = null;

            while ((batchOfRawDataList = cvsReader.parseEntity()) != null) {
                UsageAdjInvoiceRegenerator.readInvoices(batchOfRawDataList, cvsReader.getBatchStartLineNumber(),
                        "InvoiceItem");
            }

            in.close();

            String zenpointPRPC = zendpoint + exportFileIdPRPC + "/";
            url = new URL(zenpointPRPC);
            uc = url.openConnection();
            uc.setRequestProperty("Authorization", authorization);
            content = (InputStream) uc.getInputStream();
            in = new BufferedReader(new InputStreamReader(content));
            cvsReader = new CSVReader(in);

            while ((batchOfRawDataList = cvsReader.parseEntity()) != null) {
                UsageAdjInvoiceRegenerator.readInvoices(batchOfRawDataList, cvsReader.getBatchStartLineNumber(),
                        "PRPCItem");
            }

            in.close();
            Logger.print("start processing values");

            UsageAdjInvoiceRegenerator chargeAdjustment = new UsageAdjInvoiceRegenerator();
            int[] results;
            int totalErrors = 0;
            String emailmsg = "";
            Logger.print("----------------------------------------");
            Logger.print("start creating usages");
            results = zApiClient.createUsageItems(newUsageCollection);
            if (results[1] != 0) {
                emailmsg = (results[0] - results[1]) + "/" + results[0] + " usage creation ";
            }
            totalErrors = totalErrors + results[1];

            Logger.print("start cancelling invoices");
            results = zApiClient.alterInvoices(newUsageCollection, "cancel");
            if (results[1] != 0) {
                emailmsg = (results[0] - results[1]) + "/" + results[0] + " invoice cancellation ";
            }
            totalErrors = totalErrors + results[1];

            Logger.print("start deleting usages");
            results = zApiClient.deleteUsageItems(deleteList);
            if (results[1] != 0) {
                emailmsg = (results[0] - results[1]) + "/" + results[0] + " usage deletion ";
            }
            totalErrors = totalErrors + results[1];

            Logger.print("start regenerating invoices");
            results = zApiClient.alterInvoices(newUsageCollection, "generate");
            if (results[1] != 0) {
                emailmsg = (results[0] - results[1]) + "/" + results[0] + " invoice generation ";
            }
            totalErrors = totalErrors + results[1];

            Logger.print("start deleting old invoices");
            results = zApiClient.alterInvoices(newUsageCollection, "delete");
            if (results[1] != 0) {
                emailmsg = (results[0] - results[1]) + "/" + results[0] + " invoice deletion ";
            }
            totalErrors = totalErrors + results[1];

            // Create the attachment
            EmailAttachment attachment = new EmailAttachment();
            if (totalErrors > 0) {

                String logFileName = AppParamManager.OUTPUT_FOLDER_LOCATION + File.separator + "runtime_log_"
                        + AppParamManager.OUTPUT_FILE_POSTFIX + ".txt";

                attachment.setPath(logFileName);
                attachment.setDisposition(EmailAttachment.ATTACHMENT);
                attachment.setDescription("System Log");
                attachment.setName("System Log");
            }

            MultiPartEmail email = new MultiPartEmail();
            email.setSmtpPort(587);
            email.setAuthenticator(
                    new DefaultAuthenticator(AppParamManager.EMAIL_ADDRESS, AppParamManager.EMAIL_PASSWORD));
            email.setDebug(false);
            email.setHostName("smtp.gmail.com");
            email.setFrom("zuora@gmail.com");

            if (totalErrors > 0) {
                email.setSubject("Base Calc Processor Finished with Errors");
                email.setMsg("The base calc processing has finished " + emailmsg + "records successfully.");
            } else {
                email.setSubject("Base Calc Processor Finished Successfully");
                emailmsg = (results[0] - results[1]) + "/" + results[0] + " invoice ";
                email.setMsg("The base calc processing has finished " + emailmsg + "records successfully.");
            }
            email.setTLS(true);
            email.addTo(AppParamManager.RECIPIENT_ADDRESS);
            if (totalErrors > 0) {
                email.attach(attachment);
            }
            email.send();
            System.out.println("Mail sent!");
            if (hasArgs) {
                Connection conn = AppParamManager.getConnection();
                Statement stmt = conn.createStatement();
                DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                java.util.Date date = new Date();
                stmt.executeUpdate("UPDATE TASK SET STATUS = 'completed', END_TIME = '"
                        + dateFormat.format(date) + "' WHERE ID = " + AppParamManager.TASK_ID);
                Utility.saveLogToDB(conn);
                conn.close();
            }

        } catch (Exception e) {
            Logger.print("Failure, gettingFile.");
            Logger.print("Error getting the export file: " + e.getMessage());
            //System.out.println("Error getting the export file: "+e.getMessage());
            try {
                Connection conn = AppParamManager.getConnection();
                Statement stmt = conn.createStatement();
                DateFormat dateFormat = new SimpleDateFormat("yyyy/MM/dd HH:mm:ss");
                java.util.Date date = new Date();
                stmt.executeUpdate("UPDATE TASK SET STATUS = 'failed', END_TIME = '" + dateFormat.format(date)
                        + "' WHERE ID = " + AppParamManager.TASK_ID);
                Utility.saveLogToDB(conn);
                conn.close();
            } catch (Exception e2) {
                // TODO Auto-generated catch block
                e2.printStackTrace();
            }
        }
    } else {
        Logger.print("No tasks in wait status");
    }
}

From source file:com.manning.blogapps.chapter10.examples.AuthPostJava.java

public static void main(String[] args) throws Exception {
    if (args.length < 4) {
        System.out.println("USAGE: authpost <username> <password> <filepath> <url>");
        System.exit(-1);/*  w w  w .  j  a v a  2 s  .co  m*/
    }
    String credentials = args[0] + ":" + args[1];
    String filepath = args[2];

    URL url = new URL(args[3]);
    URLConnection conn = url.openConnection();
    conn.setDoOutput(true);

    conn.setRequestProperty("Authorization",
            "Basic " + new String(Base64.encodeBase64(credentials.getBytes())));

    File upload = new File(filepath);
    conn.setRequestProperty("name", upload.getName());

    String contentType = "application/atom+xml; charset=utf8";
    if (filepath.endsWith(".gif"))
        contentType = "image/gif";
    else if (filepath.endsWith(".jpg"))
        contentType = "image/jpg";
    conn.setRequestProperty("Content-type", contentType);

    BufferedInputStream filein = new BufferedInputStream(new FileInputStream(upload));
    BufferedOutputStream out = new BufferedOutputStream(conn.getOutputStream());
    byte buffer[] = new byte[8192];
    for (int count = 0; count != -1;) {
        count = filein.read(buffer, 0, 8192);
        if (count != -1)
            out.write(buffer, 0, count);
    }
    filein.close();
    out.close();

    String s = null;
    BufferedReader in = new BufferedReader(new InputStreamReader(conn.getInputStream()));
    while ((s = in.readLine()) != null) {
        System.out.println(s);
    }
}

From source file:URLConnectionTest.java

public static void main(String[] args) {
    try {/*w w  w .ja va 2 s. c  om*/
        String urlName;
        if (args.length > 0)
            urlName = args[0];
        else
            urlName = "http://java.sun.com";

        URL url = new URL(urlName);
        URLConnection connection = url.openConnection();

        // set username, password if specified on command line

        if (args.length > 2) {
            String username = args[1];
            String password = args[2];
            String input = username + ":" + password;
            String encoding = base64Encode(input);
            connection.setRequestProperty("Authorization", "Basic " + encoding);
        }

        connection.connect();

        // print header fields

        Map<String, List<String>> headers = connection.getHeaderFields();
        for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
            String key = entry.getKey();
            for (String value : entry.getValue())
                System.out.println(key + ": " + value);
        }

        // print convenience functions

        System.out.println("----------");
        System.out.println("getContentType: " + connection.getContentType());
        System.out.println("getContentLength: " + connection.getContentLength());
        System.out.println("getContentEncoding: " + connection.getContentEncoding());
        System.out.println("getDate: " + connection.getDate());
        System.out.println("getExpiration: " + connection.getExpiration());
        System.out.println("getLastModifed: " + connection.getLastModified());
        System.out.println("----------");

        Scanner in = new Scanner(connection.getInputStream());

        // print first ten lines of contents

        for (int n = 1; in.hasNextLine() && n <= 10; n++)
            System.out.println(in.nextLine());
        if (in.hasNextLine())
            System.out.println(". . .");
    } catch (IOException e) {
        e.printStackTrace();
    }
}

From source file:Main.java

private static InputStream retrieve(String url) throws IOException {
    URL target = new URL(url);
    URLConnection connection = target.openConnection();
    return connection.getInputStream();
}

From source file:Main.java

public static Drawable GetUrlDrawable(String url) {
    try {//from   w  w w  .  ja  v a2s.co  m
        URL aryURI = new URL(url);
        URLConnection conn = aryURI.openConnection();
        InputStream is = conn.getInputStream();
        Bitmap bmp = BitmapFactory.decodeStream(is);
        return new BitmapDrawable(bmp);
    } catch (Exception e) {
        Log.e("ERROR", "urlImage2Drawable failed with image url at " + url, e);
        return null;
    }
}

From source file:Main.java

public static Bitmap getBitmap(String biturl) {

    Bitmap bitmap = null;//from w  w  w .  j  a v a  2 s.  co  m

    try {

        URL url = new URL(biturl);
        URLConnection conn = url.openConnection();
        InputStream in = conn.getInputStream();
        bitmap = BitmapFactory.decodeStream(new BufferedInputStream(in));

    } catch (Exception e) {

        e.printStackTrace();
    }
    return bitmap;

}

From source file:com.digitallizard.bbcnewsreader.resource.web.ImageDownloader.java

public static byte[] getImage(URL url) throws Exception {
    URLConnection connection = url.openConnection();

    InputStream stream = connection.getInputStream();
    BufferedInputStream inputbuffer = new BufferedInputStream(stream, 8000);

    ByteArrayBuffer arraybuffer = new ByteArrayBuffer(50);
    int current = 0;
    while ((current = inputbuffer.read()) != -1) {
        arraybuffer.append((byte) current);
    }/*  w w w.  j  av a2s .  c om*/

    byte[] image = arraybuffer.toByteArray();

    return image;
}