Package java.io

Examples of java.io.PushbackInputStream

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    private static InputStream getNonEmptyContent(
        HttpURLConnection connection
    ) {
        InputStream in = null;
        try {
            PushbackInputStream pin =
                new PushbackInputStream(connection.getInputStream());
            int c = pin.read();
            if (c != -1) {
                pin.unread((byte)c);
                in = pin;
            }
        } catch (IOException ioe) {
            // ignore
        }   
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            if (null == boundaryString) {
                throw new IOException("Couldn't determine the boundary from the message!");
            }
            boundary = boundaryString.getBytes();

            stream = new PushbackInputStream(message.getContent(InputStream.class),
                    boundary.length * 2);
            if (!readTillFirstBoundary(stream, boundary)) {
                throw new IOException("Couldn't find MIME boundary: " + new String(boundary));
            }

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    }

    private String findBoundaryFromInputStream() throws IOException {
        InputStream is = message.getContent(InputStream.class);
        //boundary should definitely be in the first 2K;
        PushbackInputStream in = new PushbackInputStream(is, 4096);
        byte buf[] = new byte[2048];
        int i = in.read(buf);
        String msg = new String(buf, 0, i);
        in.unread(buf, 0, i);
       
        // Reset the input stream since we'll need it again later
        message.setContent(InputStream.class, in);

        // Use regex to get the boundary and return null if it's not found
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        if(b == null)
            return null;
        DataBag db;
        try {
            ByteArrayInputStream bis = new ByteArrayInputStream(b);
            PushbackInputStream in = new PushbackInputStream(bis);
            db = consumeBag(in, schema);
        } catch (IOException e) {
            LogUtils.warn(this, "Unable to interpret value " + Arrays.toString(b) + " in field being " +
                    "converted to type bag, caught ParseException <" +
                    e.getMessage() + "> field discarded",
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        Map<String, Object> map;
        ResourceFieldSchema fs = new ResourceFieldSchema();
        fs.setType(DataType.MAP);
        try {
            ByteArrayInputStream bis = new ByteArrayInputStream(b);
            PushbackInputStream in = new PushbackInputStream(bis);
            map = consumeMap(in, fs);
        }
        catch (IOException e) {
            LogUtils.warn(this, "Unable to interpret value " + Arrays.toString(b) + " in field being " +
                    "converted to type map, caught ParseException <" +
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            return null;
        Tuple t;
       
        try {
            ByteArrayInputStream bis = new ByteArrayInputStream(b);
            PushbackInputStream in = new PushbackInputStream(bis);
            t = consumeTuple(in, fieldSchema);
        }
        catch (IOException e) {
            LogUtils.warn(this, "Unable to interpret value " + Arrays.toString(b) + " in field being " +
                    "converted to type tuple, caught ParseException <" +
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            (byte) ((ObjectStreamConstants.STREAM_MAGIC >>> 8) & 0xFF),
            (byte) ((ObjectStreamConstants.STREAM_MAGIC >>> 0) & 0xFF)
    };

    public ConfigurationData readConfigurationData(InputStream in) throws IOException, ClassNotFoundException {
        PushbackInputStream pushbackInputStream = new PushbackInputStream(in, 2);
        byte[] streamHeader = new byte[2];
        if (pushbackInputStream.read(streamHeader) != 2) throw new AssertionError("Cound not read stream header");
        pushbackInputStream.unread(streamHeader);

        // if this isn't a serialized config, fallback to the xstream marshaler
        if (SERIALIZED_MAGIC[0] != streamHeader[0] || SERIALIZED_MAGIC[1] != streamHeader[1]) {
            ConfigurationMarshaler marshaler;
            try {
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        // create an xstream just to assuer all the required libraries are present
        XStreamUtil.createXStream();
    }

    public ConfigurationData readConfigurationData(InputStream in) throws IOException, ClassNotFoundException {
        PushbackInputStream pushbackInputStream = new PushbackInputStream(in, 2);
        byte[] streamHeader = new byte[2];
        if (pushbackInputStream.read(streamHeader) != 2) throw new AssertionError("Cound not read stream header");
        pushbackInputStream.unread(streamHeader);

        // if this is a serialized config, fallback to the serialization marshaler
        if (SERIALIZED_MAGIC[0] == streamHeader[0] && SERIALIZED_MAGIC[1] == streamHeader[1]) {
            return new SerializedConfigurationMarshaler().readConfigurationData(pushbackInputStream);
        }
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public class ExtractorFactory {
  public static final String CORE_DOCUMENT_REL =
    "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument";
 
  public static POITextExtractor createExtractor(File f) throws IOException, InvalidFormatException, OpenXML4JException, XmlException {
    InputStream inp = new PushbackInputStream(
      new FileInputStream(f), 8);
   
    if(POIFSFileSystem.hasPOIFSHeader(inp)) {
      return createExtractor(new POIFSFileSystem(inp));
    }
    if(POIXMLDocument.hasOOXMLHeader(inp)) {
      inp.close();
      return createExtractor(OPCPackage.open(f.toString()));
    }
    throw new IllegalArgumentException("Your File was neither an OLE2 file, nor an OOXML file");
  }
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  public static POITextExtractor createExtractor(InputStream inp) throws IOException, InvalidFormatException, OpenXML4JException, XmlException {
    // Figure out the kind of stream
    // If clearly doesn't do mark/reset, wrap up
    if(! inp.markSupported()) {
      inp = new PushbackInputStream(inp, 8);
    }
   
    if(POIFSFileSystem.hasPOIFSHeader(inp)) {
      return createExtractor(new POIFSFileSystem(inp));
    }
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