org.archive.wayback.replay.charset

Class PrescanMetadataSniffer

java.lang.Object

org.archive.wayback.replay.charset.BaseEncodingSniffer

org.archive.wayback.replay.charset.PrescanMetadataSniffer

All Implemented Interfaces:

EncodingSniffer

public class PrescanMetadataSniffer
extends BaseEncodingSniffer

EncodingSniffer that pre-scan byte stream for <meta http-equiv="content-type" ... > tag.

This is step 6 of WHAT-NG prescription, but decodes pre-scanned content as UTF-8 to simplify the code. That should okay for the purpose...

CHANGE: 1.8.1 2014-07-07 override UTF-16 encodings to UTF-8, and x-user-defined encoding to Windows-1252, as prescribed by WHAT-NG.

Field Summary

Fields

Modifier and Type	Field and Description
protected static int	MAX_CHARSET_READAHEAD

Fields inherited from class org.archive.wayback.replay.charset.BaseEncodingSniffer

CHARSET_TOKEN, HTTP_CONTENT_TYPE_HEADER

Constructor Summary

Constructors

Constructor and Description
PrescanMetadataSniffer()

Method Summary

Methods

Modifier and Type	Method and Description
String	sniff(Resource resource)

Methods inherited from class org.archive.wayback.replay.charset.BaseEncodingSniffer

contentTypeToCharset, isCharsetSupported, mapCharset

Methods inherited from class java.lang.Object

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

Field Detail

MAX_CHARSET_READAHEAD

protected static final int MAX_CHARSET_READAHEAD

See Also:

Constant Field Values

Constructor Detail

PrescanMetadataSniffer

public PrescanMetadataSniffer()

Method Detail

sniff

public String sniff(Resource resource)

Specified by:

sniff in interface EncodingSniffer

Specified by:

sniff in class BaseEncodingSniffer