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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/* $Rev$ $Date$ */
#ifndef tuscany_sca_util_exceptions_h
#define tuscany_sca_util_exceptions_h
#include "tuscany/sca/export.h"
#include <ostream>
namespace tuscany
{
namespace sca
{
/**
* Top level exception to represent all the exceptions that may be
* thrown by an SCA runtime implementation.
*/
class SCA_API TuscanyRuntimeException
{
public:
/**
* Represents the possible severity levels for an exception.
*/
enum severity_level
{
Normal,
Warning,
Error,
Severe
};
/**
* Constructor.
* @param name Class name of the exception.
* @param sev Severity level.
* @param msg_text Detailed description of the exception.
*/
TuscanyRuntimeException(
const char *name="TuscanyRuntimeException",
severity_level sev=Severe,
const char* msg_text="");
TuscanyRuntimeException(const TuscanyRuntimeException& c);
// Destructor
virtual ~TuscanyRuntimeException();
/**
* Return class name of this exception.
*/
const char* getEClassName() const;
/**
* Return severity.
*/
severity_level getSeverity() const;
/**
* Return message text associated with exception.
*/
const char* getMessageText() const;
/*
* Return file name where the exception was raised.
*/
const char* getFileName() const;
/**
* Return line number where the exception was raised.
*/
unsigned long getLineNumber() const;
/**
* Return function name where the exception was raised.
*/
const char* getFunctionName() const;
/**
* Set the exception severity.
*/
void setSeverity(severity_level sev);
/**
* Set the message text associated with exception.
*/
void setMessageText(const char* msg_text);
/**
* Set the location where the exception was raised.
* @param file Name of the file.
* @param line Line number in the file.
* @param function Name of the function.
*/
void setLocation(const char* file,
unsigned long line,
const char* function="");
/**
* Append exception details to ostream.
*/
virtual std::ostream& PrintSelf(std::ostream &os) const;
/**
* Operator to send exceptions details to a stream.
*/
SCA_API friend std::ostream& operator<< (std::ostream &os, const TuscanyRuntimeException &except);
protected:
private:
/**
* Class name of the exception.
*/
char* class_name;
/**
* Severity level of the exception.
*/
severity_level severity;
/**
* Description of the exception.
*/
char* message_text; // Description of exception
/**
* Location where the exception was thrown or handled and thrown.
*/
class location
{
public:
char* file; // File name (from __FILE__)
unsigned long line; // Line number (from __LINE__)
char* function; // Function name
};
enum {num_locations=5};
/**
* Array of locations where the exception has been handled and thrown.
*/
location locations[num_locations];
/**
* The current location (index into TuscanyRuntimeException#location).
*/
int location_set;
}; // End TuscanyRuntimeException class definition
/**
* Indicates a problem in the consistency of the SCA model provided to the
* Tuscany runtime.
*/
class SCA_API SystemConfigurationException: public TuscanyRuntimeException
{
public:
SystemConfigurationException(const char* msg)
: TuscanyRuntimeException("SystemConfigurationException", Severe,
msg)
{
}
private:
};
} // End namespace sca
} // End namespace tuscany
#endif // tuscany_sca_util_exceptions_h
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