org.eclipse.xtend.expression
Class LoggingNullEvaluationHandler

java.lang.Object
  org.eclipse.xtend.expression.LoggingNullEvaluationHandler

All Implemented Interfaces:

NullEvaluationHandler

public class LoggingNullEvaluationHandler
extends java.lang.Object
implements NullEvaluationHandler

Logs null evaluation events to the log category of this class.

The log level of the resulting message is configurable. By default messages will be logged with ERROR level.

Author:

karsten.thoms@itemis.de

Nested Class Summary

static class

LoggingNullEvaluationHandler.Level

Constructor Summary

LoggingNullEvaluationHandler()

Method Summary

protected java.lang.CharSequence	buildMessage(SyntaxElement element, ExecutionContext ctx) Build the error message.
java.lang.Object	handleNullEvaluation(SyntaxElement element, ExecutionContext ctx)
void	setLevel(LoggingNullEvaluationHandler.Level level) Set log level for messages.
void	setLogCategory(java.lang.String category) Changes the log category.

Methods inherited from class java.lang.Object

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

Constructor Detail

LoggingNullEvaluationHandler

public LoggingNullEvaluationHandler()

Method Detail

handleNullEvaluation

public java.lang.Object handleNullEvaluation(SyntaxElement element,
                                             ExecutionContext ctx)

Specified by:

handleNullEvaluation in interface NullEvaluationHandler

setLogCategory

public void setLogCategory(java.lang.String category)

Changes the log category.

Parameters:

category - Logger category

setLevel

public void setLevel(LoggingNullEvaluationHandler.Level level)

Set log level for messages.

Parameters:

level - The level

buildMessage

protected java.lang.CharSequence buildMessage(SyntaxElement element,
                                              ExecutionContext ctx)

Build the error message.

Parameters:

element - Current SyntaxElement that raised the Null Evaluation

ctx - Current context

Returns:

Error message