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Diffstat (limited to 'sca-cpp/branches/cpp-contrib/contrib/samples/CppCalculator/sample.calculator.client/CalculatorClient.cpp')
-rw-r--r-- | sca-cpp/branches/cpp-contrib/contrib/samples/CppCalculator/sample.calculator.client/CalculatorClient.cpp | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/sca-cpp/branches/cpp-contrib/contrib/samples/CppCalculator/sample.calculator.client/CalculatorClient.cpp b/sca-cpp/branches/cpp-contrib/contrib/samples/CppCalculator/sample.calculator.client/CalculatorClient.cpp new file mode 100644 index 0000000000..37e9d40f66 --- /dev/null +++ b/sca-cpp/branches/cpp-contrib/contrib/samples/CppCalculator/sample.calculator.client/CalculatorClient.cpp @@ -0,0 +1,150 @@ +/* + * 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. + */ + +/* $Rev$ $Date$ */ + +#include <iostream> +#include <stdlib.h> + +#include "osoa/sca/sca.h" + +#include "Calculator.h" + +using namespace std; +using namespace osoa::sca; + + +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 << "calculator_client: Argument 1 is not a number" << endl; + usage(); + } + else + { + arg1 = atof(argv[2]); + } + + if (!IsNumber(argv[3])) + { + cout << "calculator_client: Argument 2 is not a number" << endl; + usage(); + } + else + { + arg2 = atof(argv[3]); + } + } + else + { + usage(); + } + + try + { + // Locate a service + CompositeContext myContext = CompositeContext::getCurrent(); + Calculator *calcService = (Calculator*) myContext.locateService("CalculatorComponent/CalculatorService"); + if (calcService == 0) + { + cout << "calculator_client: Unable to find Calculator service" << endl; + } + else + { + float result = 0; + if (strcmp(operation, "add") == 0) + { + result = calcService->add(arg1, arg2); + cout << "calculator_client: add(" << arg1 << "," << arg2 << ") = " << result << endl; + } + else + if (strcmp(operation, "sub") == 0) + { + result = calcService->sub(arg1, arg2); + cout << "calculator_client: sub(" << arg1 << "," << arg2 << ") = " << result << endl; + } + else + if (strcmp(operation, "mul") == 0) + { + result = calcService->mul(arg1, arg2); + cout << "calculator_client: mul(" << arg1 << "," << arg2 << ") = " << result << endl; + } + else + if (strcmp(operation, "div") == 0) + { + result = calcService->div(arg1, arg2); + cout << "calculator_client: div(" << arg1 << "," << arg2 << ") = " << result << endl; + } + else + { + cout << "calculator_client: Unrecognized operation: " << operation << endl; + } + } + } + catch (ServiceRuntimeException& ex) + { + cout << "calculator_client: exception caught: " << ex << endl; + } + return 0; +} + +void usage() +{ + cout << "Usage: calculator_client add|sub|mul|div arg1 arg2" << endl; + exit(1); +} + +bool IsNumber (const char *p) +{ + int len = strlen(p); + int pointcount = 0; + + if (!isdigit (p[0]) && p[0] != '-' && p[0] != '+') + { + return false; + } + for (int i = 1; i < len; i++) + { + if (!isdigit (p[i])) + { + if (p[i] == '.') + { + if (pointcount > 0) return false; + pointcount++; + } + else + { + return false; + } + } + } + return true; +} |