com.mattunderscore.http.headers.useragent.parser

Class CachingUserAgentParser

java.lang.Object

com.mattunderscore.http.headers.useragent.parser.CachingUserAgentParser

All Implemented Interfaces:

HeaderFieldNameVerifier, HeaderFieldParser<IUserAgent>

public class CachingUserAgentParser
extends Object
implements HeaderFieldParser<IUserAgent>, HeaderFieldNameVerifier

Parser to convert a user agent header field string to a structured representation. It caches the parsed user agent against the user agent string. This prevents the same string from being parsed repeatedly.

Since:

0.2.6

Author:

Matt Champion

Constructor Summary

Constructors

Constructor and Description
CachingUserAgentParser()

Method Summary

Modifier and Type	Method and Description
String	getHeaderFieldName()
boolean	isHeaderFieldName(String header) Test to see if the header field name can be parsed by this parser.
IUserAgent	parseField(String header) Parses a string for a single header field element.

Methods inherited from class java.lang.Object

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

Constructor Detail

CachingUserAgentParser

public CachingUserAgentParser()

Method Detail

isHeaderFieldName

public boolean isHeaderFieldName(String header)

Description copied from interface: HeaderFieldNameVerifier

Test to see if the header field name can be parsed by this parser.

Specified by:

isHeaderFieldName in interface HeaderFieldNameVerifier

Parameters:

header - Name of header field

Returns:

Result of comparison

getHeaderFieldName

public String getHeaderFieldName()

Specified by:

getHeaderFieldName in interface HeaderFieldNameVerifier

Returns:

The name of the field

parseField

public IUserAgent parseField(String header)
                      throws UnParsableHeaderException

Description copied from interface: HeaderFieldParser

Parses a string for a single header field element.

Specified by:

parseField in interface HeaderFieldParser<IUserAgent>

Parameters:

header - String of a header field element

Returns:

The structured header field element

Throws:

UnParsableHeaderException