org.apache.http.io.SessionInputBuffer Java Examples

/**
 * Creates a new {@link SessionInputBuffer} bounded to a given maximum length.
 *
 * @param buffer the buffer to wrap
 * @param length the maximum number of bytes to read (from the buffered stream).
 */
public BoundSessionInputBuffer(final SessionInputBuffer buffer, final long length) {
	super(new HttpTransportMetricsImpl(), BUFFER_SIZE, 0, null, null);
	this.bounded = new ContentLengthInputStream(buffer, length);
	this.input = new CountingInputStream(this.bounded);
	super.bind(this.input);
	this.length = length;
}
 

public static String[] readCRLFSeparatedBlock(SessionInputBuffer input) throws IOException {
	CharArrayBuffer line = new CharArrayBuffer(128);
	List<String> ret = new ArrayList<>();
	for (;;) {
		if (input.readLine(line) == -1) break;
		if (line.length() == 0) break;
		ret.add(line.toString());
		line.clear();
	}
	return ret.toArray(new String[ret.size()]);
}
 

public WarcRecord(SessionInputBuffer buffer) throws IOException {
	this.warcHeaders = readCRLFSeparatedBlock(buffer);
	if (this.warcHeaders.length == 0) throw new EOFException();
	long contentLength = contentLength(this.warcHeaders);
	if (contentLength == -1) throw new WarcFormatException("Can't find Content-Length");
	final HeaderGroup hg = toHeaderGroup(this.warcHeaders);
	date = WarcHeader.parseDate(WarcHeader.getFirstHeader(hg, WarcHeader.Name.WARC_DATE).getValue());
	uuid = WarcHeader.parseId(WarcHeader.getFirstHeader(hg, WarcHeader.Name.WARC_RECORD_ID).getValue());
	this.payload = new byte[(int)contentLength];
	for (int read = 0; read < contentLength; read ++) this.payload[read] = (byte)buffer.read();
}
 

public HttpResponseWarcRecord(SessionInputBuffer buffer) throws IOException {
	super(buffer);
	buffer = warpSessionInputBuffer(new ByteArrayInputStream(this.payload));
	this.headers = readCRLFSeparatedBlock(buffer);
	long contentLength = contentLength(this.headers);
	InputStream blockStream = new ContentLengthInputStream(buffer, contentLength);
	this.entity = new byte[(int)contentLength];
	blockStream.read(this.entity);
	blockStream.close();
}
 

public GarbageAllergicHttpResponseParser(
    SessionInputBuffer buffer,
    LineParser lineParser,
    HttpResponseFactory responseFactory,
    MessageConstraints constraints
) {
  super(buffer, lineParser, responseFactory, constraints);
}
 

@Override
protected HttpMessageParser<HttpResponse> createResponseParser(
        final SessionInputBuffer buffer,
        final HttpResponseFactory responseFactory,
        final HttpParams params) {

  return new DefaultHttpResponseParser(
          buffer,
          new MyLineParser(),
          responseFactory,
          params);
}
 

public static SessionInputBuffer warpSessionInputBuffer(final InputStream input) {
	final SessionInputBufferImpl bufferImpl = new SessionInputBufferImpl(new HttpTransportMetricsImpl(), 1024, 0, null, null);
	bufferImpl.bind(input);
	return bufferImpl;
}
 

public InfoWarcRecord(SessionInputBuffer buffer) throws IOException {
	super(buffer);
	this.info = readCRLFSeparatedBlock(warpSessionInputBuffer(new ByteArrayInputStream(this.payload)));
}
 

public HttpRequestWarcRecord(SessionInputBuffer buffer) throws IOException {
	super(buffer);
	this.headers = readCRLFSeparatedBlock(warpSessionInputBuffer(new ByteArrayInputStream(this.payload)));
}
 

@Override
protected HttpMessageParser createResponseParser(final SessionInputBuffer buffer,
		final HttpResponseFactory responseFactory, final HttpParams params) {
	return new DefaultResponseParser(buffer, new IcyLineParser(), responseFactory, params);
}