```
public class ExtensionConfig
extends Object
```
Represents an Extension Configuration, as seen during the connection Handshake process.

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`String`	`getName()`
`int`	`getParameter(String key, int defValue)`
`String`	`getParameter(String key, String defValue)`
`String`	`getParameterizedName()`
`Set<String>`	`getParameterKeys()`
`Map<String,String>`	`getParameters()`	Return parameters found in request URI.
`void`	`init(ExtensionConfig other)`	Initialize the parameters on this config from the other configuration.
`static ExtensionConfig`	`parse(String parameterizedName)`	Parse a single parameterized name.
`static List<ExtensionConfig>`	`parseEnum(Enumeration<String> valuesEnum)`	Parse enumeration of `Sec-WebSocket-Extensions` header values into a `ExtensionConfig` list
`static List<ExtensionConfig>`	`parseList(String... rawSecWebSocketExtensions)`	Parse 1 or more raw `Sec-WebSocket-Extensions` header values into a `ExtensionConfig` list
`void`	`setParameter(String key)`
`void`	`setParameter(String key, int value)`
`void`	`setParameter(String key, String value)`
`static String`	`toHeaderValue(List<ExtensionConfig> configs)`	Convert a list of `ExtensionConfig` to a header value
`String`	`toString()`

public final int getParameter(String key,
                              int defValue)

public final String getParameter(String key,
                                 String defValue)

public final String getParameterizedName()

public final Set<String> getParameterKeys()

public final void setParameter(String key)

public final void setParameter(String key,
                               int value)

public final void setParameter(String key,
                               String value)

Constructor	Description
`ExtensionConfig(String parameterizedName)`
`ExtensionConfig(ExtensionConfig copy)`	Copy constructor

Class ExtensionConfig