Package java.io

Examples of java.io.InputStream


    {
      // Note: you can detect other features than frontal faces by
      // changing HCSB.txt in this directory to one of the files in
      // the OtherCascades subdirectory. See the README file there
      // for more information.
        InputStream is  = getClass().getResourceAsStream("HCSB.txt");
        this.dh = new DetectHaarMultiScale(is, nMinScale, nMaxScale);
    }
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        File dir = new File(root, bean.getDirectory());
        File[] files = dir.listFiles();
        for (int k = 0; k < files.length; k++) {
          File file = files[k];
          if (file.isFile()) {
            InputStream in = new FileInputStream(file);
            ZipEntry ze =
              new ZipEntry(
                "resources/"
                  + bean.getId()
                  + "/"
                  + file.getName());
            zip.putNextEntry(ze);

            // Transfer bytes from the file to the ZIP file
            int len;
            while ((len = in.read(buf)) > 0) {
              zip.write(buf, 0, len);
            }

            zip.closeEntry();
            in.close();
          }
        }
      }

      // add images
      File root =
        new File(getServletContext().getRealPath("/"), imagesPath);
      File[] files = root.listFiles();
      for (int k = 0; k < files.length; k++) {
        File file = files[k];
        if (file.isFile()) {
          InputStream in = new FileInputStream(file);
          ZipEntry ze = new ZipEntry("images/" + file.getName());
          zip.putNextEntry(ze);

          // Transfer bytes from the file to the ZIP file
          int len;
          while ((len = in.read(buf)) > 0) {
            zip.write(buf, 0, len);
          }

          zip.closeEntry();
          in.close();
        }
      }

      // add sections
      Mapping.begin();
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   @Override
   protected TranslatorMetaDataGroup parse(VFSDeploymentUnit unit, VirtualFile file, TranslatorMetaDataGroup root) throws Exception {
    JAXBContext context = JAXBContext.newInstance(new Class[] {TranslatorMetaDataGroup.class});
      Unmarshaller um = context.createUnmarshaller();     
      InputStream is = file.openStream();

      try{
         InputSource input = new InputSource(is);
         input.setSystemId(file.toURI().toString());
         XMLReader reader = XMLReaderFactory.createXMLReader();
         reader.setEntityResolver(new JBossEntityResolver());
         SAXSource source = new SAXSource(reader, input);
         JAXBElement<TranslatorMetaDataGroup> elem = um.unmarshal(source, TranslatorMetaDataGroup.class);
         TranslatorMetaDataGroup deployment = elem.getValue();
         return deployment;
      }     
      finally {
         if (is != null)
            is.close();           
      }
   }
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   * allow|deny mimetype/subtype <xxxx >yyyyy
   */
  public void loadRuleFile(String filename)
    throws IOException
  {
    InputStream is = new FileInputStream(filename);
    BufferedReader reader =
      new BufferedReader(new InputStreamReader(is));

    String line = "";
    int lineno=0;
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    ByteBuffer buff = new ByteBuffer();

    // the connection to the HTTP server
    // HttpConnection httpConn = null;

    InputStream is = null;
    BufferedWriter bwrite = null;

    // get host
    host = u.getHost();
    if (host == null) {
      throw new HttpException("no host part in URL found");
    }

    // get address, if not using a proxy
    // if the client runs behind a proxy it is possible, that name
    // resolution for the internet is not possible
    if(! useProxy()) {
      try {
  addr = InetAddress.getByName(host);
      } catch (UnknownHostException e) {
  addr = null;
      }
      if (addr == null) {
  throw new HttpException("host part (" + host + ") does not resolve");
      }
    }

    // get path   
    path = u.getFile();
    if (path.equals("")) {
      path = "/";
    }
    // replace spaces
    path=path.replaceAll(" ","%20");

    // get protocol and port
    port = u.getPort();
    protocol = u.getProtocol().toLowerCase();
    if (protocol.equals("http")) {
      if (port == -1) {
  port = DEFAULT_HTTPPORT;
      }
    } else if (protocol.equals("https")) {
      if (port == -1) {
  port = DEFAULT_HTTPSPORT;
      }
      secureConnection=true;
    } else {
      throw new HttpException("protocol " + protocol + " not supported");
    }

    // if using the proxy, request path is the whole URL, otherwise only
    // the path part of the URL
    if (useProxy() && (! secureConnection)) {
      requestPath="http://"+host+path;
    } else {
      requestPath=path;
    }

    // get user info
    userinfo = u.getUserInfo();
    if (userinfo != null) {
     if (userinfo.equals("")) {
      userinfo=null;
     } else {
      // Store user info for this host
      userInfos.setProperty(host,userinfo);
     }
    } else {
     // do we hae a stored user info?
     userinfo=userInfos.getProperty(host);
    }


    if (callback != null) {
      callback.setHttpToolDocUrl(u.toString());
      callback.setHttpToolStatus(STATUS_CONNECTING);
    }

    // okay, we got all needed information, try to connect to the host
    try {
    if (httpConn == null) {
        // connect and initialize streams
        // timeout is stored in seconds in HttpTool, but
        // HttpConnection uses milliseconds
        if (secureConnection) {
      HttpsHelper helper = new HttpsHelper(proxyAddr,proxyPort,useProxy());
      httpConn = helper.createHttpsConnection(host,port);
        } else {
      if (useProxy()) {
        httpConn = HttpConnection.createConnection(proxyAddr,
                     proxyPort,
                     socketTimeout*1000);
      } else {
        httpConn = HttpConnection.createConnection(addr,
                     port,
                     socketTimeout*1000);
      }
        }
    }
 
      is = new LimitedBandwidthStream(
    new BufferedInputStream(httpConn.getInputStream(), 256),
          bandwidth);
      bwrite = new BufferedWriter(
           new OutputStreamWriter(httpConn.getOutputStream()));

      if (callback != null) {
  callback.setHttpToolStatus(STATUS_CONNECTED);
      }


      // write HTTP request
      // get or post ?
      if (method == HttpConstants.GET) {
  bwrite.write("GET ");
  bwrite.write(requestPath);
  if ((parameters != null)
      && (! parameters.equals(""))) {
    bwrite.write("?");
    bwrite.write(parameters);
  }

      } else if (method == HttpConstants.POST) {
  bwrite.write("POST " + requestPath);
      } else {
  throw new HttpException("HTTP method " + method + " not supported");
      }

      // last part of request line
      bwrite.write(" ");
      bwrite.write(HTTP_VERSION);
      bwrite.write("\r\n");

      // Referer header only if defined
      if (referer != null) {
  bwrite.write("Referer: " + referer + "\r\n");
      }

      // if cookies are enabled, write a Cookie: header
      if (cookiesEnabled) {
  String cookieString = cookieManager.cookiesForURL(u);
  if (cookieString != null) {
    bwrite.write("Cookie: ");
    bwrite.write(cookieString);
    bwrite.write("\r\n");
    log.debug("Cookie request header: "+cookieString);
  }
      }

      // Write other headers
      bwrite.write("Host: " + host + "\r\n");
      bwrite.write("User-Agent: " + agentName + "\r\n");
      bwrite.write("Accept: */*\r\n");
      if (ntlmAuthorizationInfo == null) {
        bwrite.write("Connection: close\r\n");
      } else {
    bwrite.write("Connection: keep-alive\r\n");
      }

      // Write "From:" header only if a fromAddress is defined
      if (fromAddress != null) {
  bwrite.write("From: "+fromAddress+"\r\n");
      }

      // if we have username and password, lets write an Authorization
      // header
      if (userinfo != null) {
  // special hack to support usernames with "@"
  // TO DO: find a better solution for this problem
  userinfo = userinfo.replace('%','@');
  bwrite.write("Authorization: Basic ");
  bwrite.write(Base64.encode(userinfo));
  bwrite.write("\r\n");
        log.debug(userinfo);
       
      }
     
      if (ntlmAuthorizationInfo != null) {
    bwrite.write("Authorization: NTLM ");
    bwrite.write(ntlmAuthorizationInfo);
    bwrite.write("\r\n");
      }
     

      // if there is a "If-Modified-Since" date, also write this header
      if (modifyDate != null) { 
  String dateStr = df.format(modifyDate);

  bwrite.write("If-Modified-Since: ");
  bwrite.write(dateStr);
  bwrite.write("\r\n");
  log.debug("If-Modified-Since header: "+dateStr)
      }

      // for a POST request we also need a content-length header
      if (method == HttpConstants.POST) {
  bwrite.write("Content-Type: application/x-www-form-urlencoded\r\n");
  bwrite.write("Content-Length: "+parameters.length()+"\r\n");
      }

      // finished headers
      bwrite.write("\r\n");
      // if this is a POST request, we have to add the POST parameters
      if (method == HttpConstants.POST) {
  bwrite.write(parameters);
      }
      bwrite.flush();
     
      if (callback != null) {
  callback.setHttpToolStatus(STATUS_RETRIEVING);
      }

      // read the first line (HTTP return code)
      while ((i = is.read()) != 10) {
  if (i == -1) {
    throw new HttpException("Could not get HTTP return code "+
          "(buffer content is "+buff.toString()+")");
  }
  buff.append((byte)i);
      }

      String httpCode = lineString(buff.getContent());
      buff.clean();
      doc.setHttpCode(httpCode);


      // read the HTTP headers
      boolean finishedHeaders = false;
      while (!finishedHeaders) {
  i = is.read();
  if (i == -1) {
    throw new HttpException("Could not read HTTP headers");
  }
  if (i >= 32) {
    buff.append((byte)i);
  }
  // HTTP header processing
  if (i == LF) {
    String line = lineString(buff.getContent());
   
    buff.clean();
    // empty line means "end of headers"
    if (line.trim().equals("")) {
      finishedHeaders = true;
    } else {
      HttpHeader head = new HttpHeader(line);
      doc.addHeader(head);

      if (cookiesEnabled
    && head.isSetCookie()) {
        try {
    Cookie cookie = new Cookie(head.toLine(),u);
    cookieManager.add(cookie);
    log.debug("Got a cookie "+cookie);
        } catch (CookieException e) {
    log.info("Could not interpret cookie: "+e.getMessage());
        }
      }

      // Content chunked ?
      if (head.getName().equalsIgnoreCase("Transfer-Encoding")
    && head.getValue().equalsIgnoreCase("chunked")) {
        chunkedEncoding = true;
      }

    }
  }
      }
      buff.clean();

      // if there is a DownloadRule, ask if we should download
      // the data
      if (downloadRules != null) {
    // if it is not allowed to download this URL, close socket
    // and return a null document
    boolean isNotModified = false;
    if (modifyDate != null) {
      HttpHeader lastModifiedHeader = doc.getHttpHeader("Last-Modified");
      if (lastModifiedHeader != null) {
        try {
          Date lastModifiedDate = df.parse(lastModifiedHeader.getValue());
          if (lastModifiedDate.compareTo(modifyDate) <= 0) {
            isNotModified = true;
          }
        } catch (ParseException e) {}
      }
    }
   
    if (! downloadRules.downloadAllowed(doc.getHttpHeader()) || isNotModified) {
      if (doc.isNotModified()) {
      log.info("If-Not-Modified successfull for: " + u);
      } else if (isNotModified) {
      log.info("Header indicates not modified for: " + u);
      } else {
      log.info("Download not allowed by download rule.");
      }
      // Close connection
      httpConn.close(); httpConn = null;
 
      if (callback != null) {
        callback.setHttpToolStatus(STATUS_DENIEDBYRULE);
      }
      return null;
    }
      }

     
      // if we got encoding "chunked", use the ChunkedInputStream
      if (chunkedEncoding) {
  chunkStream = new ChunkedInputStream(is);
      }
     

      // did we got an Content-Length header ?
      HttpHeader contentLength = doc.getHeader(HttpHeader.CONTENT_LENGTH);
      if (contentLength != null) {      
 
  try {
    docSize = Integer.parseInt(contentLength.getValue());
  } catch (NumberFormatException e) {
    log.error("Got a malformed Content-Length header from the server");
    docSize = -1;
  }

  // send information to callback
  if (callback != null) {
    callback.setHttpToolDocSize(docSize);
  }

  // initialize the byte buffer with the given document size
  // there is no need to increase the buffer size dynamically
  if (docSize > 0) {
    buff.setSize(docSize);
  }
      }

      // read data
      boolean finished = false;
      int count=0;

      while (! finished) {
 
  if (chunkedEncoding) {
    i = chunkStream.read();
  } else {
    i = is.read();
  }
 
  if (i == -1) {
    // this should only happen on HTTP/1.0 responses
    // without a Content-Length header
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            // if this is the case then it means that a PMML classifier was
            // successfully loaded earlier in the code
            objectInputStream = null;
            xmlInputStream = null;
          } else {
            InputStream is = new FileInputStream(objectInputFileName);
            if (objectInputFileName.endsWith(".gz")) {
              is = new GZIPInputStream(is);
            }
            // load from KOML?
            if (!(objectInputFileName.endsWith(".koml") && KOML.isPresent()) ) {
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                    builder = new SOAPBuilder();
                }
            }

            // set the message payload to the message context
            InputStream in;
            ManagedDataSource dataSource;
            if (builder instanceof DataSourceMessageBuilder && entry.isStreaming()) {
                in = null;
                dataSource = ManagedDataSourceFactory.create(
                        new FileObjectDataSource(file, contentType));
            } else {
                in = content.getInputStream();
                dataSource = null;
            }
           
            try {
                OMElement documentElement;
                if (in != null) {
                    documentElement = builder.processDocument(in, contentType, msgContext);
                } else {
                    documentElement = ((DataSourceMessageBuilder)builder).processDocument(
                            dataSource, contentType, msgContext);
                }
                msgContext.setEnvelope(TransportUtils.createSOAPEnvelope(documentElement));
               
                handleIncomingMessage(
                    msgContext,
                    transportHeaders,
                    null, //* SOAP Action - not applicable *//
                    contentType
                );
            }
            finally {
                if (in != null) {
                    try {
                        in.close();
                    } catch (IOException ex) {
                        handleException("Error closing stream", ex);
                    }
                } else {
                    dataSource.destroy();
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    }


    private static boolean verifyLock(byte[] lockValue, FileObject lockObject) {
        try {
            InputStream is = lockObject.getContent().getInputStream();
            byte[] val = new byte[lockValue.length];
            // noinspection ResultOfMethodCallIgnored
            is.read(val);
            if (Arrays.equals(lockValue, val) && is.read() == -1) {
                return true;
            } else {
                log.debug("The lock has been acquired by an another party");
            }
        } catch (FileSystemException e) {
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      int[] ignoredAtts = null;

      m_Log.statusMessage("Loading model from file...");

      try {
  InputStream is = new FileInputStream(selected);
  if (selected.getName().endsWith(".gz")) {
    is = new GZIPInputStream(is);
  }
  ObjectInputStream objectInputStream = new ObjectInputStream(is);
  clusterer = (Clusterer) objectInputStream.readObject();
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        Sink<Quad> noWhere = new SinkNull<Quad>() ;

        // ---- Parse to a Sink.
        // RIOT controls the conversion from bytes to java chars.
        InputStream in = new FileInputStream("data.trig") ;
       
        RiotReader.parseQuads(in, Lang.TRIG, "http://example/base", noWhere) ;
       
       
        // --- Or create a parser and do the parsing as separate steps.
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