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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.
*/
package calculator.dosgi.test;
import java.lang.reflect.InvocationHandler;
import java.lang.reflect.Method;
import java.lang.reflect.Proxy;
import java.net.URL;
import java.util.HashSet;
import java.util.Set;
import org.apache.tuscany.sca.node.equinox.launcher.EquinoxHost;
import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.osgi.framework.Bundle;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceReference;
import calculator.dosgi.CalculatorActivator;
import calculator.dosgi.CalculatorService;
import calculator.dosgi.CalculatorServiceDSImpl;
import calculator.dosgi.CalculatorServiceImpl;
import calculator.dosgi.operations.AddService;
import calculator.dosgi.operations.AddServiceImpl;
import calculator.dosgi.operations.DivideService;
import calculator.dosgi.operations.DivideServiceImpl;
import calculator.dosgi.operations.MultiplyService;
import calculator.dosgi.operations.MultiplyServiceImpl;
import calculator.dosgi.operations.OperationsActivator;
import calculator.dosgi.operations.SubtractService;
import calculator.dosgi.operations.SubtractServiceImpl;
/**
*
*/
public class CalculatorOSGiTestCase {
private static EquinoxHost host;
/**
* @throws java.lang.Exception
*/
@BeforeClass
public static void setUpBeforeClass() throws Exception {
Set<URL> bundles = new HashSet<URL>();
bundles.add(OSGiTestBundles.createBundle("target/test-classes/calculator-bundle.jar",
"calculator/dosgi/META-INF/MANIFEST.MF",
new String[][] {
{"OSGI-INF/calculator-component.xml", null},
{"calculator/dosgi/bundle.componentType",
"OSGI-INF/sca/bundle.componentType"},
{"calculator/dosgi/calculator.composite",
"OSGI-INF/sca/bundle.composite"}},
CalculatorService.class,
CalculatorServiceImpl.class,
CalculatorServiceDSImpl.class,
CalculatorActivator.class));
bundles.add(OSGiTestBundles.createBundle("target/test-classes/operations-bundle.jar",
"calculator/dosgi/operations/META-INF/MANIFEST.MF",
new String[][] {
{"OSGI-INF/add-component.xml", null},
{"OSGI-INF/subtract-component.xml", null},
{"OSGI-INF/multiply-component.xml", null},
{"OSGI-INF/divide-component.xml", null},
{"calculator/dosgi/operations/bundle.componentType",
"OSGI-INF/sca/bundle.componentType"},
{"calculator/dosgi/operations/operations.composite",
"OSGI-INF/sca/bundle.composite"}},
OperationsActivator.class,
AddService.class,
AddServiceImpl.class,
SubtractService.class,
SubtractServiceImpl.class,
MultiplyService.class,
MultiplyServiceImpl.class,
DivideService.class,
DivideServiceImpl.class));
try {
host = new EquinoxHost();
BundleContext context = host.start();
for (URL loc : bundles) {
host.installBundle(loc, null);
}
for (Bundle b : context.getBundles()) {
if (b.getSymbolicName().equals("org.eclipse.equinox.ds")) {
System.out.println(string(b, false));
b.start();
System.out.println(string(b, false));
}
}
for (Bundle b : context.getBundles()) {
if (b.getSymbolicName().startsWith("calculator.dosgi")) {
b.start();
System.out.println(string(b, false));
}
}
// Sleep for 1 sec so that the DS is available
Thread.sleep(1000);
// Use the DS version
String filter = "(component.name=CalculatorComponent)";
System.out.println(filter);
ServiceReference ref = context.getServiceReferences(CalculatorService.class.getName(), filter)[0];
CalculatorService calculator = cast(context.getService(ref), CalculatorService.class);
System.out.println("2.0 + 1.0 = " + calculator.add(2.0, 1.0));
System.out.println("2.0 - 1.0 = " + calculator.subtract(2.0, 1.0));
System.out.println("2.0 * 1.0 = " + calculator.multiply(2.0, 1.0));
System.out.println("2.0 / 1.0 = " + calculator.divide(2.0, 1.0));
} catch (Exception e) {
e.printStackTrace();
throw e;
}
}
private static <T> T cast(Object obj, Class<T> cls) {
if (cls.isInstance(obj)) {
return cls.cast(obj);
} else {
return cls.cast(Proxy.newProxyInstance(cls.getClassLoader(),
new Class<?>[] {cls},
new InvocationHandlerImpl(obj)));
}
}
private static class InvocationHandlerImpl implements InvocationHandler {
private Object instance;
public InvocationHandlerImpl(Object instance) {
super();
this.instance = instance;
}
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
Method m = instance.getClass().getMethod(method.getName(), method.getParameterTypes());
return m.invoke(instance, args);
}
}
@Test
public void testOSGi() {
}
/**
* Returns a string representation of the given bundle.
*
* @param b
* @param verbose
* @return
*/
static String string(Bundle bundle, boolean verbose) {
StringBuffer sb = new StringBuffer();
sb.append(bundle.getBundleId()).append(" ").append(bundle.getSymbolicName());
int s = bundle.getState();
if ((s & Bundle.UNINSTALLED) != 0) {
sb.append(" UNINSTALLED");
}
if ((s & Bundle.INSTALLED) != 0) {
sb.append(" INSTALLED");
}
if ((s & Bundle.RESOLVED) != 0) {
sb.append(" RESOLVED");
}
if ((s & Bundle.STARTING) != 0) {
sb.append(" STARTING");
}
if ((s & Bundle.STOPPING) != 0) {
sb.append(" STOPPING");
}
if ((s & Bundle.ACTIVE) != 0) {
sb.append(" ACTIVE");
}
if (verbose) {
sb.append(" ").append(bundle.getLocation());
sb.append(" ").append(bundle.getHeaders());
}
return sb.toString();
}
/**
* @throws java.lang.Exception
*/
@AfterClass
public static void tearDownAfterClass() throws Exception {
if (host != null) {
host.stop();
}
}
}
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