Examples of java.io.BufferedInputStream.reset()

java.io.BufferedInputStream.reset()
See the general contract of the reset method of InputStream.
If markpos is -1 (no mark has been set or the mark has been invalidated), an IOException is thrown. Otherwise, pos is set equal to markpos. @exception IOException if this stream has not been marked or,if the mark has been invalidated, or the stream has been closed by invoking its {@link #close()}method, or an I/O error occurs. @see java.io.BufferedInputStream#mark(int)

  public void test_reset_Exception() throws IOException {
    BufferedInputStream bis = new BufferedInputStream(null);
    
    //throws IOExcepiton with message "Mark has been invalidated"
    try {
      bis.reset();
      fail("should throw IOException");
    } catch (IOException e) {
      // expected
    }

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      // expected
    }
    
    //does not throw IOException
    bis.mark(1);
    bis.reset();
    
    bis.close();


    //throws IOException with message "stream is closed"
    try {

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    bis.close();


    //throws IOException with message "stream is closed"
    try {
      bis.reset();
      fail("should throw IOException");
    } catch (IOException e) {
      // expected
    }
  }

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            throw new NullPointerException();
        }
        BufferedInputStream bis = new BufferedInputStream(in);
        bis.mark(Integer.MAX_VALUE);
        boolean isEbcdic = isEbcdic(bis);
        bis.reset();


        if(!isEbcdic){
            loadImpl(new InputStreamReader(bis, "ISO8859-1")); //$NON-NLS-1$
        }else{
            loadImpl(new InputStreamReader(bis)); //$NON-NLS-1$

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        byte[] headerBytes = new byte[HEADER_LEN];
        int actualRead = bufferedIn.read(headerBytes, 0, HEADER_LEN);
        if (actualRead != -1) {
          String header = new String(headerBytes);
          if (header.compareTo(HEADER) != 0) {
            bufferedIn.reset();
          }
        }
      }


      if (bufferedIn == null) {

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                os.write(lineFeed);
                os.flush();
                readAck(is, false);


                // now send the stream
                buffer.reset();
                while ((read = buffer.read(reply)) != -1) {
                    os.write(reply, 0, read);
                }
                writeAck(os);
                readAck(is, false);

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        in.mark(100);
        for (int i = 0; i < 10; i++) {
            assertEquals(0, in.read());
        }
        assertEquals(-1, in.read());
        in.reset();
        for (int i = 0; i < 10; i++) {
            assertEquals(0, in.read());
        }
        assertEquals(-1, in.read());
        in.close();

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        BufferedInputStream bis = new BufferedInputStream( is, 64 * 1024 );
        bis.mark( 64 * 1024 );
        JarInputStream jis = new JarInputStream( bis );
        mf.getMainAttributes().putAll( jis.getManifest().getMainAttributes() );
        mf.getEntries().putAll( jis.getManifest().getEntries() );
        bis.reset();
        return bis;
    }


    /**
     * Parse a given OSGi header into a list of paths

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                // use a buffered input stream to find out whether there actually
                // is a request body
                InputStream bin = new BufferedInputStream(in);
                bin.mark(1);
                boolean isEmpty = -1 == bin.read();
                bin.reset();
                if (!isEmpty) {
                    DocumentBuilder docBuilder = DomUtil.BUILDER_FACTORY.newDocumentBuilder();
                    requestDocument = docBuilder.parse(bin);
                }
            }

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        final PrintWriter out = new PrintWriter(new OutputStreamWriter(outStream, "UTF-8"));
        final BufferedInputStream in = new BufferedInputStream(inStream);


        in.mark(MAX_HEADER_LENGTH); // assume the header is never larger than 10000 bytes.
        copyHeader(in, out);
        in.reset(); // reposition the stream at the beginning


        try {
            UpdaterHandler updaterHandler = new UpdaterHandler(inStreamCtx, out, options);
            InputSource inSrc = new InputSource(in);
            if (inStreamCtx != null) {

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