org.apache.commons.httpclient
Class HttpParser

java.lang.Object
  org.apache.commons.httpclient.HttpParser

public class HttpParser
extends Object

A utility class for parsing http header values according to RFC-2616 Section 4 and 19.3.

Since:

2.0beta1

Author:

Michael Becke, Oleg Kalnichevski

Method Summary

static Header[]	parseHeaders(InputStream is, String charset) Parses headers from the given stream.
static String	readLine(InputStream inputStream, String charset) Read up to "\n" from an (unchunked) input stream.
static byte[]	readRawLine(InputStream inputStream) Return byte array from an (unchunked) input stream.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

readRawLine

public static byte[] readRawLine(InputStream inputStream)
                          throws IOException

Return byte array from an (unchunked) input stream. Stop reading when "\n" terminator encountered If the stream ends before the line terminator is found, the last part of the string will still be returned. If no input data available, null is returned.

Parameters:

inputStream - the stream to read from

Returns:

a byte array from the stream

Throws:

IOException - if an I/O problem occurs

readLine

public static String readLine(InputStream inputStream,
                              String charset)
                       throws IOException

Read up to "\n" from an (unchunked) input stream. If the stream ends before the line terminator is found, the last part of the string will still be returned. If no input data available, null is returned.

Parameters:

inputStream - the stream to read from

charset - charset of HTTP protocol elements

Returns:

a line from the stream

Throws:

IOException - if an I/O problem occurs

Since:

3.0

parseHeaders

public static Header[] parseHeaders(InputStream is,
                                    String charset)
                             throws IOException,
                                    HttpException

Parses headers from the given stream. Headers with the same name are not combined.

Parameters:

is - the stream to read headers from

charset - the charset to use for reading the data

Returns:

an array of headers in the order in which they were parsed

Throws:

IOException - if an IO error occurs while reading from the stream

HttpException - if there is an error parsing a header value

Since:

3.0