/*
* 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.
*/
package launcher;
import org.apache.tuscany.sca.node.Contribution;
import org.apache.tuscany.sca.node.Node;
import calculator.CalculatorService;
/**
* This client program shows how to create an embedded SCA runtime, load a contribution,
* start it and, in some cases, locate and invoke an SCA component
*/
public class SampleJSELauncher extends RuntimeIntegration {
protected boolean waitBeforeStopping = false;
public static void main(String[] args) throws Exception {
// get the contribution name from the 1st argument it there is one
String contribution = null;
if (args == null || args.length != 1){
System.out.println("Please provide the name of the sample contribution to run as a parameter");
System.out.println("Running binding-sca-calculator by default");
contribution = "contribution-binding-sca-calculator";
} else {
contribution = args[0];
}
// assume that more than one argument means that the caller wants to
// keep the SCA application running while other clients use the services
boolean waitBeforeStopping = false;
if (args != null && args.length > 1 && args[1].equals("waitBeforeStopping")){
waitBeforeStopping = true;
}
SampleJSELauncher launcher = new SampleJSELauncher(waitBeforeStopping);
if (contribution.equals("contribution-binding-sca-calculator")){
launcher.launchBindingSCACalculator();
} else if (contribution.equals("contribution-binding-ws-calculator")){
launcher.launchBindingWSCalculator();
} else if (contribution.equals("contribution-binding-rmi-calculator")){
launcher.launchBindingRMICalculator();
} else if (contribution.equals("contribution-implementation-java-calculator")){
launcher.launchImplementationJavaCalculator();
} else {
System.out.println("Sample contribution " + contribution + "not found");
}
}
public SampleJSELauncher(boolean waitBeforeStopping){
this.waitBeforeStopping = waitBeforeStopping;
}
/**
* Wait for user input. Allows us to keep the Tuscany runtime and the SCA application
* running while other clients access the services provided
*/
public void waitBeforeStopping(){
if (waitBeforeStopping){
try {
System.out.println("Press key to continue");
int input = System.in.read();
} catch (Exception ex) {
// do nothing
}
}
}
/**
* The contribution-binding-sca-calculator contribution includes a client component
* that calls the CalculatorServiceComponent from an operation marked by @Init.
*/
public void launchBindingSCACalculator(){
Node node = startNode(new Contribution("c1", "../binding-sca/contribution-calculator/target/sample-contribution-binding-sca-calculator.jar"));
waitBeforeStopping();
stopNode(node);
}
/*
* Using a Tuscany specific mechanism for getting at local service proxies
*/
public void launchBindingWSCalculator(){
Node node = startNode(new Contribution("c1", "../contribution-binding-ws-calculator/target/classes"));
CalculatorService calculator = node.getService(CalculatorService.class, "CalculatorServiceComponent");
// TODO - could use JUnit assertions but don't want to have to handle JUnit dependency from Ant script
double result = calculator.add(3, 2);
System.out.println("3 + 2 = " + result);
if (result != 5.0){
throw new SampleLauncherException();
}
waitBeforeStopping();
stopNode(node);
}
/*
* Using a Tuscany specific mechanism for getting at local service proxies
*/
public void launchBindingRMICalculator(){
Node node1 = startNode(new Contribution("c1", "../binding-rmi/contribution-calculator-service/target/classes"));
Node node2 = startNode(new Contribution("c1", "../binding-rmi/contribution-calculator-reference/target/classes"));
CalculatorService calculator = node2.getService(CalculatorService.class, "CalculatorServiceComponent");
// TODO - could use JUnit assertions but don't want to have to handle JUnit dependency from Ant script
double result = calculator.add(3, 2);
System.out.println("3 + 2 = " + result);
if (result != 5.0){
throw new SampleLauncherException();
}
waitBeforeStopping();
stopNode(node2);
stopNode(node1);
}
/**
* The contribution-binding-sca-calculator contribution includes a client component
* that calls the CalculatorServiceComponent from an operation marked by @Init.
*/
public void launchImplementationJavaCalculator(){
Node node = startNode(new Contribution("c1", "../contribution-implementation-java-calculator/target/classes"));
waitBeforeStopping();
stopNode(node);
}
}