Examples of java.io.BufferedInputStream

java.io.BufferedInputStream
A BufferedInputStream adds functionality to another input stream-namely, the ability to buffer the input and to support the mark and reset methods. When the BufferedInputStream is created, an internal buffer array is created. As bytes from the stream are read or skipped, the internal buffer is refilled as necessary from the contained input stream, many bytes at a time. The mark operation remembers a point in the input stream and the reset operation causes all the bytes read since the most recent mark operation to be reread before new bytes are taken from the contained input stream. @author Arthur van Hoff @version 1.57, 06/07/06 @since JDK1.0

    if (doneLoading)
      return;
    doneLoading = true;


    FileInputStream fin = null;
    BufferedInputStream bin = null;
 
    makeSpecialCategories();


   
    try {
      //open the file
      File configFile = FileUtil.getUserFile("categories.config");
      fin = new FileInputStream(configFile);
      bin = new BufferedInputStream(fin, 8192);
     
      Map map = BDecoder.decode(bin);


      List catList = (List) map.get("categories");
      for (int i = 0; i < catList.size(); i++) {
        Map mCategory = (Map) catList.get(i);
        try {
          String catName = new String((byte[]) mCategory.get("name"), Constants.DEFAULT_ENCODING);
          
          Long l_maxup     = (Long)mCategory.get( "maxup" );
          Long l_maxdown   = (Long)mCategory.get( "maxdown" );
          Map<String,String>  attributes = BDecoder.decodeStrings((Map)mCategory.get( "attr" ));
          
          if ( attributes == null ){
            
            attributes = new HashMap<String, String>();
          }
          
          if ( catName.equals( UNCAT_NAME )){
            
            catUncategorized.setUploadSpeed(l_maxup==null?0:l_maxup.intValue());
            catUncategorized.setDownloadSpeed(l_maxdown==null?0:l_maxdown.intValue());
            catUncategorized.setAttributes( attributes );
            
          }else if ( catName.equals( ALL_NAME )){
                
              catAll.setAttributes( attributes );


          }else{
            categories.put( 
            catName,
              new CategoryImpl( 
                catName, 
                l_maxup==null?0:l_maxup.intValue(),
                l_maxdown==null?0:l_maxdown.intValue(),
                attributes ));
          }
        }
        catch (UnsupportedEncodingException e1) {
          //Do nothing and process next.
        }
      }
    }
    catch (FileNotFoundException e) {
      //Do nothing
    }
    catch (Exception e) {
      Debug.printStackTrace( e );
    }
    finally {
      try {
        if (bin != null)
          bin.close();
      }
      catch (Exception e) {}
      try {
        if (fin != null)
          fin.close();

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        ZipInputStream  zis = null;
        
        try{
          zis = 
            new ZipInputStream( 
                new BufferedInputStream( new FileInputStream( file ) ));
          
          
            while( properties == null ){
              
              ZipEntry  entry = zis.getNextEntry();

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  {
    ZipInputStream  zis = null;
    
    try{
      zis = new ZipInputStream( 
          new BufferedInputStream( new FileInputStream( file ) ));
        
      byte[]    signature  = null;
      
      Signature  sig = Signature.getInstance("MD5withRSA" );

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        mkdirs(targetFile.getAbsoluteFile().getParentFile());
        ByteArrayOutputStream buff = new ByteArrayOutputStream();
        try {
            println("Downloading " + fileURL);
            URL url = new URL(fileURL);
            InputStream in = new BufferedInputStream(url.openStream());
            long last = System.currentTimeMillis();
            int len = 0;
            while (true) {
                long now = System.currentTimeMillis();
                if (now > last + 1000) {
                    println("Downloaded " + len + " bytes");
                    last = now;
                }
                int x = in.read();
                len++;
                if (x < 0) {
                    break;
                }
                buff.write(x);
            }
            in.close();
        } catch (IOException e) {
            throw new RuntimeException("Error downloading " + fileURL + " to " + target, e);
        }
        byte[] data = buff.toByteArray();
        String got = getSHA1(data);

View Full Code Here

  }


  public static LogisimFile loadSub(InputStream in, Loader loader)
      throws IOException, SAXException {
    // fetch first line and then reset
    BufferedInputStream inBuffered = new BufferedInputStream(in);
    String firstLine = getFirstLine(inBuffered);


    if (firstLine == null) {
      throw new IOException("File is empty");
    } else if (firstLine.equals("Logisim v1.0")) {

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  private DayProgramScheme[] loadDayProgramSchemes() {
    String home = Plugin.getPluginManager().getTvBrowserSettings().getTvBrowserUserHome();
    File schemeFile = new File(home,SCHEME_FILE_DAYPROGRAM);
    ObjectInputStream in=null;
    try {
      in = new ObjectInputStream(new BufferedInputStream(new FileInputStream(schemeFile), 0x4000));
      DayProgramScheme[] schemes = readDayProgramSchemesFromStream(in);
      in.close();
      return schemes;
    }catch(Exception e) {
      if (in != null) {

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  private QueueScheme[] loadQueueSchemes() {
    String home = Plugin.getPluginManager().getTvBrowserSettings().getTvBrowserUserHome();
    File schemeFile = new File(home,SCHEME_FILE_QUEUE);
    ObjectInputStream in=null;
    try {
      in = new ObjectInputStream(new BufferedInputStream(new FileInputStream(schemeFile), 0x4000));
      QueueScheme[] schemes = readQueueSchemesFromStream(in);
      in.close();
      return schemes;
    }catch(Exception e) {
      if (in != null) {

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        mkdirs(targetFile.getAbsoluteFile().getParentFile());
        ByteArrayOutputStream buff = new ByteArrayOutputStream();
        try {
            println("Downloading " + fileURL);
            URL url = new URL(fileURL);
            InputStream in = new BufferedInputStream(url.openStream());
            long last = System.currentTimeMillis();
            int len = 0;
            while (true) {
                long now = System.currentTimeMillis();
                if (now > last + 1000) {
                    println("Downloaded " + len + " bytes");
                    last = now;
                }
                int x = in.read();
                len++;
                if (x < 0) {
                    break;
                }
                buff.write(x);
            }
            in.close();
        } catch (IOException e) {
            throw new RuntimeException("Error downloading", e);
        }
        byte[] data = buff.toByteArray();
        String got = getSHA1(data);

View Full Code Here




  public byte[] loadFile(String fileName) throws UpdateException {
    File file = new File(mDir, fileName);
    
    BufferedInputStream in = null;
    try {
      in = new BufferedInputStream(new FileInputStream(file), 0x4000);
      ByteArrayOutputStream out = new ByteArrayOutputStream((int) file.length());
      IOUtilities.pipeStreams(in, out);
      out.close();


      byte[] data = out.toByteArray();


      mBytesRead += data.length;
      
      return data;
    }
    catch (IOException exc) {
      throw new UpdateException("Loading file failed: " + fileName, exc);
    }
    finally {
      if (in != null) {
        try { in.close(); } catch (IOException exc) {}
      }
    }
  }

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    /**
     * Constructor
     */
    public ServeInputStream(InputStream in, ServeConnection conn) {
      this.conn = conn;
      this.in = new BufferedInputStream(in);
    }

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