org.aspectj.bridge
Class MessageWriter

java.lang.Object
  org.aspectj.bridge.MessageWriter

All Implemented Interfaces:

IMessageHandler

Direct Known Subclasses:

WeavingAdaptor.WeavingAdaptorMessageWriter

public class MessageWriter
extends java.lang.Object
implements IMessageHandler

An IMessageHandler implementation that writes all to a PrintWriter. Clients may set this up to throw AbortException for FAIL or ERROR messages. Subclasses may control whether messages are printed and how they are rendered by overriding render(IMessage).

Field Summary

protected boolean	abortOnFailure
protected java.io.PrintWriter	writer

Fields inherited from interface org.aspectj.bridge.IMessageHandler

SYSTEM_ERR, SYSTEM_OUT, THROW

Constructor Summary

MessageWriter(java.io.PrintWriter writer, boolean abortOnFailure)

Method Summary

void	dontIgnore(IMessage.Kind kind) No-op
boolean	handleMessage(IMessage message) Handle message by printing and (if abortOnFailure) throwing an AbortException if the messages is a failure or an abort (but not for errors).
void	ignore(IMessage.Kind kind) No-op
boolean	isIgnoring(IMessage.Kind kind) Signal clients whether this will ignore messages of a given type.
protected java.lang.String	render(IMessage message)

Methods inherited from class java.lang.Object

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

Field Detail

writer

protected java.io.PrintWriter writer

abortOnFailure

protected boolean abortOnFailure

Constructor Detail

MessageWriter

public MessageWriter(java.io.PrintWriter writer,
                     boolean abortOnFailure)

Method Detail

handleMessage

public boolean handleMessage(IMessage message)
                      throws AbortException

Handle message by printing and (if abortOnFailure) throwing an AbortException if the messages is a failure or an abort (but not for errors).

Specified by:

handleMessage in interface IMessageHandler

Parameters:

message - the IMessage to handle - never null

Returns:

true if this message was handled by this handler

Throws:

AbortException - depending on handler logic.

See Also:

IMessageHandler.handleMessage(IMessage)

isIgnoring

public boolean isIgnoring(IMessage.Kind kind)

Description copied from interface: IMessageHandler

Signal clients whether this will ignore messages of a given type. Clients may use this to avoid constructing or sending certain messages.

Specified by:

isIgnoring in interface IMessageHandler

Returns:

true if this handler is ignoring all messages of this type

See Also:

IMessageHandler.isIgnoring(org.aspectj.bridge.IMessage.Kind)

dontIgnore

public void dontIgnore(IMessage.Kind kind)

No-op

Specified by:

dontIgnore in interface IMessageHandler

Parameters:

kind -

See Also:

IMessageHandler.isIgnoring(org.aspectj.bridge.IMessage.Kind)

ignore

public void ignore(IMessage.Kind kind)

No-op

Specified by:

ignore in interface IMessageHandler

Parameters:

kind -

See Also:

IMessageHandler.ignore(org.aspectj.bridge.IMessage.Kind)

render

protected java.lang.String render(IMessage message)

Returns:

null to not print, or message rendering (including newlines)