bboss.org.apache.velocity.app.event

接口 NullSetEventHandler

所有超级接口:

EventHandler

public interface NullSetEventHandler
extends EventHandler

Event handler called when the RHS of #set is null. Lets an app approve / veto writing a log message based on the specific reference.

嵌套类概要

嵌套类

限定符和类型	接口和说明
static class	NullSetEventHandler.ShouldLogOnNullSetExecutor Defines the execution strategy for shouldLogOnNullSet

方法概要

限定符和类型	方法和说明
boolean	shouldLogOnNullSet(java.lang.String lhs, java.lang.String rhs) Called when the RHS of a #set() is null, which will result in a null LHS.

方法详细资料

shouldLogOnNullSet

boolean shouldLogOnNullSet(java.lang.String lhs,
                           java.lang.String rhs)

Called when the RHS of a #set() is null, which will result in a null LHS. All NullSetEventHandlers are called in sequence until a false is returned. If no NullSetEventHandler is registered all nulls will be logged.

参数:

lhs - reference literal of left-hand-side of set statement

rhs - reference literal of right-hand-side of set statement

返回:

true if log message should be written, false otherwise