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|
/*
+----------------------------------------------------------------------+
| (c) Copyright IBM Corporation 2005. |
| All Rights Reserved. |
+----------------------------------------------------------------------+
| |
| Licensed 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. |
+----------------------------------------------------------------------+
*/
#include "Calculator.h"
#include "osoa/sca/sca.h"
#include <iostream>
#include <stdlib.h>
using namespace osoa::sca;
using namespace std;
void usage();
bool IsNumber(const char *p);
int main(int argc, char* argv[])
{
const char *operation;
float arg1 = 0;
float arg2 = 0;
if (argc == 4)
{
operation = argv[1];
if (!IsNumber(argv[2]))
{
cout << "Calc.exe: Argument 1 is not a number" << endl;
usage();
}
else
{
arg1 = atof(argv[2]);
}
if (!IsNumber(argv[3]))
{
cout << "Calc.exe: Argument 2 is not a number" << endl;
usage();
}
else
{
arg2 = atof(argv[3]);
}
}
else
{
usage();
}
try
{
// Set the default module environment variable: <subsystem>/<moduleName>
//char *defaultModule = "SCA4CPP_DEFAULT_MODULE=SubSystem2/CalculatorServiceModule";
//putenv(defaultModule);
// Locate a service
ModuleContext myContext = ModuleContext::getCurrent();
Calculator *calcService = (Calculator*) myContext.locateService("CalculatorServiceComponent");
if (calcService == 0)
{
cout << "Calc.exe: Unable to find Calculator service" << endl;
}
else
{
try
{
float result = 0;
if (strcmp(operation, "add") == 0)
{
result = calcService->add(arg1, arg2);
cout << "Calculator: add(" << arg1 << "," << arg2 << ") = " << result << endl;
}
else
if (strcmp(operation, "sub") == 0)
{
result = calcService->sub(arg1, arg2);
cout << "Calculator: sub(" << arg1 << "," << arg2 << ") = " << result << endl;
}
else
if (strcmp(operation, "mul") == 0)
{
result = calcService->mul(arg1, arg2);
cout << "Calculator: mul(" << arg1 << "," << arg2 << ") = " << result << endl;
}
else
if (strcmp(operation, "div") == 0)
{
result = calcService->div(arg1, arg2);
cout << "Calculator: div(" << arg1 << "," << arg2 << ") = " << result << endl;
}
else
{
cout << "Calculator: Unrecognized operation: " << operation << endl;
}
}
catch (char* x)
{
cout << "Calc.exe: exception caught: " << x << endl;
}
}
}
catch (ServiceRuntimeException& ex)
{
cout << ex << endl;
}
return 0;
}
void usage()
{
cout << "Usage: calc add|sub|mul|div arg1 arg2" << endl;
exit(1);
}
bool IsNumber (const char *p)
{
int len = strlen(p);
for (int i = 0; i < len; i++)
{
if (!isdigit (p[i]))
{
return false;
}
}
return true;
}
|
