Package org.codelibs.fess.helper

Class UserAgentHelper

java.lang.Object

org.codelibs.fess.helper.UserAgentHelper

public class UserAgentHelper
extends Object

Helper class for detecting and categorizing user agent types from HTTP requests. This class analyzes the User-Agent header to determine which browser type is being used and caches the result in the request attribute for performance optimization.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static enum	UserAgentHelper.UserAgentType	Enumeration of supported browser types for user agent detection.

Field Summary

Fields

Modifier and Type	Field	Description
protected static final String	USER_AGENT	The HTTP header name for User-Agent
protected static final String	USER_AGENT_TYPE	The request attribute key for storing cached user agent type

Constructor Summary

Constructors

Constructor	Description
UserAgentHelper()	Default constructor for UserAgentHelper.

Method Summary

Modifier and Type	Method	Description
UserAgentHelper.UserAgentType	getUserAgentType()	Determines the user agent type from the current HTTP request.

Methods inherited from class java.lang.Object

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

Field Details

USER_AGENT

protected static final String USER_AGENT

The HTTP header name for User-Agent

See Also:

• Constant Field Values

USER_AGENT_TYPE

protected static final String USER_AGENT_TYPE

The request attribute key for storing cached user agent type

See Also:

• Constant Field Values

Constructor Details

UserAgentHelper

public UserAgentHelper()

Default constructor for UserAgentHelper.

Method Details

getUserAgentType

public UserAgentHelper.UserAgentType getUserAgentType()

Determines the user agent type from the current HTTP request. The method analyzes the User-Agent header to categorize the browser type and caches the result in the request attribute for subsequent calls.

Returns:

the detected user agent type, or OTHER if no specific type is detected