com.helger.web.scope.util

Class SessionBackedRequestFieldData

java.lang.Object

com.helger.web.scope.util.AbstractRequestFieldData

com.helger.web.scope.util.RequestFieldData

com.helger.web.scope.util.SessionBackedRequestFieldData

All Implemented Interfaces:

Serializable

public class SessionBackedRequestFieldData
extends RequestFieldData

A specialized request field that uses a value stored in the session as the default, in case no parameter is passed. If no value is in the session either the hard coded default value is used.

Author:

Philip Helger

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
SessionBackedRequestFieldData(String sFieldName)
SessionBackedRequestFieldData(String sFieldName, String sDefaultValue)

Method Summary

Modifier and Type	Method and Description
String	getDefaultValue()
String	getSessionFieldName()

Methods inherited from class com.helger.web.scope.util.RequestFieldData

equals, getRequestValue, getRequestValueWithoutDefault, hashCode, hasRequestValue, toString

Methods inherited from class com.helger.web.scope.util.AbstractRequestFieldData

getFieldName, getParams

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

SessionBackedRequestFieldData

public SessionBackedRequestFieldData(@Nonnull
                                     String sFieldName)

SessionBackedRequestFieldData

public SessionBackedRequestFieldData(@Nonnull
                                     String sFieldName,
                                     @Nullable
                                     String sDefaultValue)

Method Detail

getSessionFieldName

@Nonnull
 @Nonempty
public String getSessionFieldName()

Returns:

The name of the session scope variable that contains the stored value.

getDefaultValue

public String getDefaultValue()

Overrides:

getDefaultValue in class RequestFieldData

Returns:

The default value to be used if no request parameter is present. Is never null but an empty string if no default value is available.