org.nineml.coffeegrinder.util

Class DefaultParseListener

java.lang.Object

org.nineml.coffeegrinder.util.DefaultParseListener

All Implemented Interfaces:

ParseListener

public class DefaultParseListener
extends java.lang.Object
implements ParseListener

A default implementation of ParseListener.

This implementation writes messages to System.err.

Field Summary

Fields

Modifier and Type	Field and Description
int	level

Fields inherited from interface org.nineml.coffeegrinder.parser.ParseListener

DEBUG, DETAIL, ERROR, INFO, NONE, WARNING

Constructor Summary

Constructors

Constructor and Description
DefaultParseListener() Create a default listener.
DefaultParseListener(int level) Create a default listener with a particular message level.

Method Summary

Modifier and Type	Method and Description
void	debug(java.lang.String message) Emit a debug message.
void	detail(java.lang.String message) Emit a detail message.
void	error(java.lang.String message) Emit an error message.
int	getMessageLevel() How verbose are we being?
void	info(java.lang.String message) Emit an info message.
void	setMessageLevel(int level) How verbose do you want me to be?
void	warning(java.lang.String message) Emit a warning message.

Methods inherited from class java.lang.Object

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

Field Detail

level

public int level

Constructor Detail

DefaultParseListener

public DefaultParseListener()

Create a default listener.

The default listener only reports errors.

DefaultParseListener

public DefaultParseListener(int level)

Create a default listener with a particular message level.

Parameters:

level - The level.

Method Detail

debug

public void debug(java.lang.String message)

Description copied from interface: ParseListener

Emit a debug message.

Tell me everything about the parse.

Specified by:

debug in interface ParseListener

Parameters:

message - The message.

detail

public void detail(java.lang.String message)

Description copied from interface: ParseListener

Emit a detail message.

Tell me about the details of the parse.

Specified by:

detail in interface ParseListener

Parameters:

message - The message.

info

public void info(java.lang.String message)

Description copied from interface: ParseListener

Emit an info message.

Keep me informed about the process of the parse.

Specified by:

info in interface ParseListener

Parameters:

message - The message.

warning

public void warning(java.lang.String message)

Description copied from interface: ParseListener

Emit a warning message.

Tell if something looks fishy.

Specified by:

warning in interface ParseListener

Parameters:

message - The message.

error

public void error(java.lang.String message)

Description copied from interface: ParseListener

Emit an error message.

Tell me if there's been an error of some sort.

Specified by:

error in interface ParseListener

Parameters:

message - The message.

getMessageLevel

public int getMessageLevel()

Description copied from interface: ParseListener

How verbose are we being?

This returns a level, one of the constants defined in this interface.

Specified by:

getMessageLevel in interface ParseListener

Returns:

The current message level.

setMessageLevel

public void setMessageLevel(int level)

Description copied from interface: ParseListener

How verbose do you want me to be?

Sets the message output level.

Specified by:

setMessageLevel in interface ParseListener

Parameters:

level - The level; should be one of the constants defined in this interface.