1999-08-28 08:19:56 +00:00

97 lines
2.6 KiB
C++

/*
* (C) Copyright The MITRE Corporation 1999 All rights reserved.
*
* The contents of this file are subject to the Mozilla Public License
* Version 1.0 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* The program provided "as is" without any warranty express or
* implied, including the warranty of non-infringement and the implied
* warranties of merchantibility and fitness for a particular purpose.
* The Copyright owner will not be liable for any damages suffered by
* you as a result of using the Program. In no event will the Copyright
* owner be liable for any special, indirect or consequential damages or
* lost profits even if the Copyright owner has been advised of the
* possibility of their occurrence.
*
* Please see release.txt distributed with this file for more information.
*
*/
#ifndef MITRE_ERROROBSERVER_H
#define MITRE_ERROROBSERVER_H
#include "baseutils.h"
#include "String.h"
#include "iostream.h"
/**
* A simple interface for observing errors
* @author <a href="mailto:kvisco@mitre.org">Keith Visco</a>
**/
class ErrorObserver {
public:
enum ErrorLevel {FATAL = 0, NORMAL, WARNING};
/**
* Default Destructor for ErrorObserver
**/
virtual ~ErrorObserver() {};
/**
* Notifies this Error observer of a new error, with default
* level of NORMAL
**/
virtual void recieveError(String& errorMessage) = 0;
/**
* Notifies this Error observer of a new error using the given error level
**/
virtual void recieveError(String& errorMessage, ErrorLevel level) = 0;
}; //-- ErrorObserver
/**
* A simple ErrorObserver which allows printing error messages to a stream
**/
class SimpleErrorObserver : public ErrorObserver {
public:
/**
* Creates a new SimpleErrorObserver.
* All errors will be printed to the console (cout).
**/
SimpleErrorObserver();
/**
* Creates a new SimpleErrorObserver.
* All errors will be printed to the given ostream.
**/
SimpleErrorObserver(ostream& errStream);
virtual ~SimpleErrorObserver() {};
/**
* Notifies this Error observer of a new error, with default
* level of NORMAL
**/
virtual void recieveError(String& errorMessage);
/**
* Notifies this Error observer of a new error using the given error level
**/
virtual void recieveError(String& errorMessage, ErrorLevel level);
virtual void supressWarnings(MBool supress);
private:
ostream* errStream;
MBool hideWarnings;
}; //-- SimpleErrorObserver
#endif