summaryrefslogtreecommitdiffstats
path: root/java/sca-contrib/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java
diff options
context:
space:
mode:
Diffstat (limited to 'java/sca-contrib/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java')
-rw-r--r--java/sca-contrib/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java1254
1 files changed, 0 insertions, 1254 deletions
diff --git a/java/sca-contrib/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java b/java/sca-contrib/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java
deleted file mode 100644
index 5664c77618..0000000000
--- a/java/sca-contrib/modules/implementation-osgi/src/main/java/org/apache/tuscany/sca/implementation/osgi/runtime/OSGiImplementationProvider.java
+++ /dev/null
@@ -1,1254 +0,0 @@
-/*
- * 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 org.apache.tuscany.sca.implementation.osgi.runtime;
-
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
-import java.io.InputStream;
-import java.lang.reflect.Method;
-import java.security.AccessController;
-import java.security.PrivilegedActionException;
-import java.security.PrivilegedExceptionAction;
-import java.util.ArrayList;
-import java.util.Dictionary;
-import java.util.HashSet;
-import java.util.Hashtable;
-import java.util.List;
-import java.util.StringTokenizer;
-import java.util.concurrent.atomic.AtomicInteger;
-import java.util.jar.JarOutputStream;
-import java.util.jar.Manifest;
-import java.util.zip.ZipEntry;
-
-import org.apache.tuscany.sca.assembly.ComponentProperty;
-import org.apache.tuscany.sca.assembly.ComponentReference;
-import org.apache.tuscany.sca.assembly.ComponentService;
-import org.apache.tuscany.sca.assembly.Multiplicity;
-import org.apache.tuscany.sca.assembly.Property;
-import org.apache.tuscany.sca.assembly.Reference;
-import org.apache.tuscany.sca.assembly.Service;
-import org.apache.tuscany.sca.context.RequestContextFactory;
-import org.apache.tuscany.sca.core.context.InstanceWrapper;
-import org.apache.tuscany.sca.core.factory.ObjectCreationException;
-import org.apache.tuscany.sca.core.factory.ObjectFactory;
-import org.apache.tuscany.sca.core.invocation.JDKProxyFactory;
-import org.apache.tuscany.sca.core.invocation.ProxyFactory;
-import org.apache.tuscany.sca.core.scope.Scope;
-import org.apache.tuscany.sca.core.scope.ScopeContainer;
-import org.apache.tuscany.sca.core.scope.ScopeRegistry;
-import org.apache.tuscany.sca.core.scope.ScopedImplementationProvider;
-import org.apache.tuscany.sca.core.scope.ScopedRuntimeComponent;
-import org.apache.tuscany.sca.databinding.DataBindingExtensionPoint;
-import org.apache.tuscany.sca.databinding.impl.SimpleTypeMapperImpl;
-import org.apache.tuscany.sca.implementation.java.IntrospectionException;
-import org.apache.tuscany.sca.implementation.java.injection.JavaPropertyValueObjectFactory;
-import org.apache.tuscany.sca.implementation.osgi.OSGiImplementation;
-import org.apache.tuscany.sca.implementation.osgi.context.OSGiAnnotations;
-import org.apache.tuscany.sca.implementation.osgi.impl.OSGiImplementationImpl;
-import org.apache.tuscany.sca.interfacedef.Interface;
-import org.apache.tuscany.sca.interfacedef.InterfaceContractMapper;
-import org.apache.tuscany.sca.interfacedef.Operation;
-import org.apache.tuscany.sca.interfacedef.java.JavaInterface;
-import org.apache.tuscany.sca.invocation.Invoker;
-import org.apache.tuscany.sca.invocation.MessageFactory;
-import org.apache.tuscany.sca.osgi.runtime.OSGiRuntime;
-import org.apache.tuscany.sca.runtime.EndpointReference;
-import org.apache.tuscany.sca.runtime.RuntimeComponent;
-import org.apache.tuscany.sca.runtime.RuntimeComponentReference;
-import org.apache.tuscany.sca.runtime.RuntimeComponentService;
-import org.apache.tuscany.sca.runtime.RuntimeWire;
-import org.osgi.framework.Bundle;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.BundleEvent;
-import org.osgi.framework.BundleException;
-import org.osgi.framework.BundleListener;
-import org.osgi.framework.Constants;
-import org.osgi.framework.FrameworkEvent;
-import org.osgi.framework.FrameworkListener;
-import org.osgi.framework.InvalidSyntaxException;
-import org.osgi.framework.ServiceEvent;
-import org.osgi.framework.ServiceListener;
-import org.osgi.service.packageadmin.ExportedPackage;
-import org.osgi.service.packageadmin.PackageAdmin;
-
-/**
- * The runtime instantiation of OSGi component implementations
- *
- * @version $Rev$ $Date$
- */
-public class OSGiImplementationProvider implements ScopedImplementationProvider,
- FrameworkListener,
- BundleListener {
-
- private static final String COMPONENT_SERVICE_NAME = "component.service.name";
-
- // Maximum milliseconds to wait for a method to complete
- private static final long METHOD_TIMEOUT_MILLIS = 60000;
- // Maximum milliseconds to wait for services to be registered into OSGi service registry
- private static final long SERVICE_TIMEOUT_MILLIS = 300000;
-
- private OSGiImplementationImpl implementation;
- private OSGiAnnotations osgiAnnotations;
- private BundleContext bundleContext;
-
- private Hashtable<RuntimeWire, Reference> referenceWires = new Hashtable<RuntimeWire,Reference>();
- private Hashtable<RuntimeWire, ComponentReference> componentReferenceWires
- = new Hashtable<RuntimeWire,ComponentReference>();
- private HashSet<RuntimeWire> resolvedWires = new HashSet<RuntimeWire>();
- private boolean wiresResolved;
-
- private AtomicInteger startBundleEntryCount = new AtomicInteger();
- private AtomicInteger processAnnotationsEntryCount = new AtomicInteger();
-
- private JavaPropertyValueObjectFactory propertyValueFactory;
-
-
- private Hashtable<String, Object> componentProperties = new Hashtable<String, Object>();
- private RuntimeComponent runtimeComponent;
-
- private Bundle osgiBundle;
- private ArrayList<Bundle> dependentBundles = new ArrayList<Bundle>();
- private OSGiServiceListener osgiServiceListener;
- private PackageAdmin packageAdmin;
-
- private OSGiRuntime osgiRuntime;
-
- private ScopeRegistry scopeRegistry;
- private DataBindingExtensionPoint dataBindingRegistry;
-
- private boolean packagesRefreshed;
-
- private MessageFactory messageFactory;
- private InterfaceContractMapper mapper;
-
-
- public OSGiImplementationProvider(RuntimeComponent definition,
- OSGiImplementation impl,
- DataBindingExtensionPoint dataBindingRegistry,
- JavaPropertyValueObjectFactory propertyValueFactory,
- ProxyFactory proxyFactory,
- ScopeRegistry scopeRegistry,
- RequestContextFactory requestContextFactory,
- MessageFactory messageFactory,
- InterfaceContractMapper mapper) throws BundleException {
-
-
- this.implementation = (OSGiImplementationImpl)impl;
- this.runtimeComponent = definition;
- this.dataBindingRegistry = dataBindingRegistry;
- this.propertyValueFactory = propertyValueFactory;
- this.scopeRegistry = scopeRegistry;
- this.messageFactory = messageFactory;
- this.mapper = mapper;
-
- bundleContext = getBundleContext();
- osgiBundle = (Bundle)implementation.getOSGiBundle();
- bundleContext.addBundleListener(this);
- osgiServiceListener = new OSGiServiceListener(osgiBundle);
- bundleContext.addServiceListener(osgiServiceListener);
-
- // Install and start all dependent bundles
- String[] imports = implementation.getImports();
- for (int i = 0; i < imports.length; i++) {
- String location = imports[i].trim();
- if (location.length() > 0) {
- Bundle bundle = bundleContext.installBundle(location);
- dependentBundles.add(bundle);
- }
- }
-
-
- this.osgiAnnotations = new OSGiAnnotations(
- implementation.getModelFactories(),
- implementation.getClassList(),
- runtimeComponent,
- propertyValueFactory,
- proxyFactory,
- requestContextFactory,
- osgiBundle,
- dependentBundles);
-
-
- // PackageAdmin is used to resolve bundles
- org.osgi.framework.ServiceReference packageAdminReference =
- bundleContext.getServiceReference("org.osgi.service.packageadmin.PackageAdmin");
- if (packageAdminReference != null) {
- packageAdmin = (PackageAdmin) bundleContext.getService(packageAdminReference);
- bundleContext.addFrameworkListener(this);
- }
-
-
- }
-
- protected RuntimeComponent getRuntimeComponent() {
- return runtimeComponent;
- }
-
- protected OSGiImplementationImpl getImplementation() {
- return implementation;
- }
-
- // Create a property table from the list of properties
- // The source properties are properties read from <property/> elements
- // Create property values in the table of the appropriate class based
- // on the property type specified.
- private void processProperties(List<?> props, Hashtable<String, Object> propsTable) {
-
- if (props != null) {
- for (Object p : props) {
-
- Property prop = (Property)p;
- Class javaType = SimpleTypeMapperImpl.getJavaType(prop.getXSDType());
- ObjectFactory<?> objFactory = propertyValueFactory.createValueFactory(prop, prop.getValue(), javaType);
- Object value = objFactory.getInstance();
-
- propsTable.put(prop.getName(), value);
- }
- }
- }
-
-
- private BundleContext getBundleContext() throws BundleException {
-
- try {
- if (bundleContext == null) {
- osgiRuntime = OSGiRuntime.getRuntime();
- bundleContext = osgiRuntime .getBundleContext();
- }
- } catch (BundleException e) {
- throw e;
- } catch (Exception e) {
- throw new BundleException("Could not start OSGi runtime", e);
- }
-
-
- return bundleContext;
- }
-
-
- private String getOSGiFilter(Hashtable<String, Object> props) {
-
- String filter = "";
-
- if (props != null && props.size() > 0) {
- int propCount = 0;
- for (String propName : props.keySet()) {
- if (propName.equals("service.pid"))
- continue;
- filter = filter + "(" + propName + "=" + props.get(propName) + ")";
- propCount++;
- }
-
- if (propCount > 1) filter = "(&" + filter + ")";
- }
- else
- filter = null;
- return filter;
- }
-
- /*
- * Return a matching service registered by the specified bundle.
- * If <implementation.osgi /> has the attribute filter defined, return a service
- * reference that matches the filter. Otherwise, return a service which has a component
- * name equal to this component's name. If not found, return a service which no
- * component name set.
- *
- * Even though services registered by this bundle can be filtered using the
- * service listener, we use this method to filter all service references so that
- * the service matching functionality of OSGi can be directly used.
- */
- private org.osgi.framework.ServiceReference getOSGiServiceReference(
- String scaServiceName,
- String osgiServiceName, String filter)
- throws InvalidSyntaxException {
-
- String compServiceName = runtimeComponent.getName() + "/" + scaServiceName;
- if (filter != null && filter.length() > 0) {
- org.osgi.framework.ServiceReference[] references =
- bundleContext.getServiceReferences(osgiServiceName, filter);
-
-
- org.osgi.framework.ServiceReference reference = null;
- if (references != null) {
- for (org.osgi.framework.ServiceReference ref : references) {
- if (ref.getBundle() != osgiBundle)
- continue;
- Object compName = ref.getProperty(COMPONENT_SERVICE_NAME);
- if (compName == null && reference == null)
- reference = ref;
- if (scaServiceName == null || compServiceName.equals(compName)) {
- reference = ref;
- break;
- }
- }
- }
-
- return reference;
-
- }
-
- filter = scaServiceName == null? null :
- "(" + COMPONENT_SERVICE_NAME + "="+ compServiceName + ")";
-
- org.osgi.framework.ServiceReference[] references =
- bundleContext.getServiceReferences(osgiServiceName, filter);
-
- if (references != null) {
- for (org.osgi.framework.ServiceReference ref : references) {
- if (ref.getBundle() == osgiBundle) {
- return ref;
- }
- }
- }
-
- references = bundleContext.getServiceReferences(osgiServiceName, null);
-
- org.osgi.framework.ServiceReference reference = null;
-
- if (references != null) {
- for (org.osgi.framework.ServiceReference ref : references) {
-
- if (ref.getBundle() != osgiBundle)
- continue;
- Object compName = ref.getProperty(COMPONENT_SERVICE_NAME);
- if (compName == null && reference == null)
- reference = ref;
- if (compServiceName.equals(compName)) {
- reference = ref;
- break;
- }
- }
- }
-
- return reference;
- }
-
- /**
- * This method is used to avoid full synchronization of methods which should
- * be executed only once.
- *
- * entryCount=0: The count is incremented, and this thread executes the method. Returns true.
- *
- * entryCount=1: Another thread is already executing this method.
- * Wait for the thread to complete if doWait is true. Returns false.
- *
- * entryCount=2: The method has already been executed. Returns false.
- *
- * @param doWait If true, and another method is executing this method
- * wait for method execution to complete
- * @param entryCount Atomic integer used to ensure that the method is
- * executed only once
- * @return true if this thread has exclusive access to execute this method
- */
- private boolean enterMethod(boolean doWait, AtomicInteger entryCount) {
-
- if (entryCount.compareAndSet(0, 1)) {
- return true;
- }
- else {
- if (doWait) {
- synchronized (entryCount) {
- if (entryCount.get() != 2) {
- try {
- entryCount.wait(METHOD_TIMEOUT_MILLIS);
- } catch (InterruptedException e) {
- }
- }
- }
- }
- return false;
- }
- }
-
- /**
- * Called on method exit of methods which were entered after
- * enterMethod returned true. Increments entryCount, and wakes
- * up threads waiting for the method to complete.
- *
- * @param entryCount Atomic integer used for synchronization
- */
- private void exitMethod(AtomicInteger entryCount) {
- entryCount.compareAndSet(1, 2);
- synchronized (entryCount) {
- entryCount.notifyAll();
- }
- }
-
- protected Bundle startBundle(boolean doWait) throws ObjectCreationException {
-
- try {
-
- if (enterMethod(doWait, startBundleEntryCount)) {
-
- configurePropertiesUsingConfigAdmin();
-
- resolveBundle();
-
- processAnnotations(true);
-
-
- for (Bundle bundle : dependentBundles) {
- try {
- if (bundle.getState() != Bundle.ACTIVE && bundle.getState() != Bundle.STARTING) {
- bundle.start();
- }
- } catch (BundleException e) {
- if (bundle.getHeaders().get("Fragment-Host") == null)
- throw e;
- }
- }
-
- }
-
- if (osgiBundle.getState() != Bundle.ACTIVE && osgiBundle.getState() != Bundle.STARTING) {
-
-
- int retry = 0;
-
- while (retry++ < 10) {
- try {
- AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
- public Object run() throws BundleException {
- osgiBundle.start();
- return null;
- }
- });
- break;
- // } catch ( BundleException e) {
- } catch ( PrivilegedActionException e) {
- // It is possible that the thread "Refresh Packages" is in the process of
- // changing the state of this bundle.
- Thread.yield();
-
- if (retry == 10)
- throw e;
- }
- }
- }
-
- } catch (Exception e) {
- throw new ObjectCreationException(e);
- } finally {
- exitMethod(startBundleEntryCount);
- }
- return osgiBundle;
- }
-
-
- // This method is called by OSGiInstanceWrapper.getInstance to obtain the OSGi service reference
- // corresponding to the specified service. The properties used to filter the service should
- // be chosen based on whether this is a normal service or a callback.
- protected org.osgi.framework.ServiceReference getOSGiServiceReference(ComponentService service)
- throws ObjectCreationException {
-
- Hashtable<String, Object> props = new Hashtable<String, Object>();
- if (!service.isCallback())
- processProperties(implementation.getServiceProperties(service.getName()), props);
- else
- processProperties(implementation.getServiceCallbackProperties(service.getName()), props);
-
- String filter = getOSGiFilter(props);
- Interface serviceInterface = service.getInterfaceContract().getInterface();
- String scaServiceName = service.getName();
-
- return getOSGiServiceReference(serviceInterface, filter, scaServiceName);
-
- }
-
- protected org.osgi.framework.ServiceReference getOSGiServiceReference(
- EndpointReference from, Interface callbackInterface)
- throws ObjectCreationException {
-
- RuntimeWire refWire = null;
- String filter = null;
- for (RuntimeWire wire : referenceWires.keySet()) {
- if (wire.getSource() == from) {
- refWire = wire;
- break;
- }
- }
- if (refWire != null) {
- Hashtable<String, Object> props = new Hashtable<String, Object>();
- ComponentReference scaRef = componentReferenceWires.get(refWire);
- processProperties(implementation.getReferenceCallbackProperties(scaRef.getName()), props);
- filter = getOSGiFilter(props);
- }
-
- return getOSGiServiceReference(callbackInterface, filter, null);
- }
-
- private org.osgi.framework.ServiceReference getOSGiServiceReference(Interface serviceInterface,
- String filter, String scaServiceName)
- throws ObjectCreationException {
-
- try {
-
- String serviceInterfaceName = null;
-
- org.osgi.framework.ServiceReference osgiServiceReference = null;
-
- if (serviceInterface instanceof JavaInterface) {
- serviceInterfaceName = ((JavaInterface)serviceInterface).getJavaClass().getName();
-
- if ((osgiServiceReference = getOSGiServiceReference(
- scaServiceName,
- serviceInterfaceName, filter)) == null) {
-
- // The service listener for our bundle will notify us when the service is registered.
- synchronized (implementation) {
-
- // When declarative services are used, the component is started asynchronously
- // So this thread has to wait for the service to be registered by the component
- // activate method
- // For regular bundle activators, bundle.start activates the bundle synchronously
- // and hence the service would probably have been started by the bundle activator
- long startTime = System.currentTimeMillis();
- while ((osgiServiceReference = getOSGiServiceReference(
- scaServiceName,
- serviceInterfaceName, filter)) == null) {
-
- // Wait for the bundle to register the service
- implementation.wait(100);
- if (System.currentTimeMillis() - startTime > SERVICE_TIMEOUT_MILLIS)
- break;
- }
- }
-
- }
- }
-
- return osgiServiceReference;
-
- } catch (Exception e) {
- throw new ObjectCreationException(e);
- }
- }
-
-
- // Felix does not support bundle fragments. This is a temporary workaround.
- protected Bundle installDummyBundleWithoutFragments(Class<?> interfaceClass)
- throws Exception {
-
- ByteArrayOutputStream out = new ByteArrayOutputStream();
-
- String EOL = System.getProperty("line.separator");
-
- String interfaceName = interfaceClass.getName();
- String packageName = getPackageName(interfaceClass);
- String bundleName = "dummy.sca." + packageName;
-
- String manifestStr = "Manifest-Version: 1.0" + EOL
- + "Bundle-ManifestVersion: 2" + EOL + "Bundle-Name: "
- + bundleName + EOL + "Bundle-SymbolicName: " + bundleName + EOL
- + "Bundle-Version: " + "1.0.0" + EOL
- + "Bundle-Localization: plugin" + EOL;
-
- ArrayList<String> dummyClasses = new ArrayList<String>();
-
- StringBuilder manifestBuf = new StringBuilder();
- manifestBuf.append(manifestStr);
- manifestBuf.append("Export-Package: " + packageName + EOL);
- String exportedInterfaces = interfaceName;
- Bundle existingBundle = getDummyHostBundle(packageName);
- String existingClasses;
- dummyClasses.add(interfaceClass.getName());
- for (Class<?> clazz : interfaceClass.getClasses()) {
- dummyClasses.add(clazz.getName());
- }
- if (existingBundle != null &&
- (existingClasses = (String)existingBundle.getHeaders().get("SCA-Dummy-Classes")) != null) {
- exportedInterfaces = exportedInterfaces + " " + existingClasses;
-
- StringTokenizer tokenizer = new StringTokenizer(existingClasses);
- while (tokenizer.hasMoreTokens()) {
- String className = tokenizer.nextToken();
- if (!dummyClasses.contains(className))
- dummyClasses.add(className);
- }
- }
-
- manifestBuf.append("SCA-Dummy-Classes: " + exportedInterfaces + EOL);
-
- ByteArrayInputStream manifestStream = new ByteArrayInputStream(
- manifestBuf.toString().getBytes());
- Manifest manifest = new Manifest();
- manifest.read(manifestStream);
-
- JarOutputStream jarOut = new JarOutputStream(out, manifest);
-
- for (int i = 0; i < dummyClasses.size(); i++) {
-
- String className = dummyClasses.get(i);
-
- Class clazz = interfaceClass.getClassLoader().loadClass(className);
- className = clazz.getName().replaceAll("\\.", "/") + ".class";
- ZipEntry ze = new ZipEntry(className);
- jarOut.putNextEntry(ze);
- InputStream stream = clazz.getResourceAsStream(clazz.getSimpleName() + ".class");
-
- byte[] bytes = new byte[stream.available()];
- stream.read(bytes);
- jarOut.write(bytes);
- stream.close();
- }
-
-
- jarOut.close();
- out.close();
-
- if (existingBundle != null) {
- existingBundle.stop();
- existingBundle.uninstall();
- }
-
- ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
-
- Bundle bundle = bundleContext.installBundle("file://" + bundleName
- + ".jar", in);
-
- bundle.start();
-
- if (existingBundle != null && packageAdmin != null) {
- refreshPackages();
-
- }
-
- return bundle;
-
- }
-
- private Bundle getDummyHostBundle(String packageName) {
-
- if (packageAdmin == null)
- return null;
-
- ExportedPackage exp = packageAdmin.getExportedPackage(packageName);
- if (exp == null)
- return null;
- else
- return exp.getExportingBundle();
- }
-
- private static String getPackageName(Class<?> cls) {
- String name = cls.getName();
- int index = name.lastIndexOf('.');
- return index == -1 ? "" : name.substring(0, index);
- }
-
- private Bundle installDummyBundle(Class<?> interfaceClass)
- throws Exception {
-
-
- if (!osgiRuntime.supportsBundleFragments()) {
- return installDummyBundleWithoutFragments(interfaceClass);
- }
-
- ByteArrayOutputStream out = new ByteArrayOutputStream();
-
- String EOL = System.getProperty("line.separator");
- ArrayList<Class<?>> dummyClasses = new ArrayList<Class<?>>();
-
- String interfaceName = interfaceClass.getName();
- String packageName = getPackageName(interfaceClass);
- String bundleName = "dummy.sca." + interfaceName;
-
-
- String manifestStr = "Manifest-Version: 1.0" + EOL +
- "Bundle-ManifestVersion: 2" + EOL +
- "Bundle-Name: " + bundleName + EOL +
- "Bundle-SymbolicName: " + bundleName + EOL +
- "Bundle-Version: " + "1.0.0" + EOL +
- "Bundle-Localization: plugin" + EOL;
-
-
- StringBuilder manifestBuf = new StringBuilder();
- manifestBuf.append(manifestStr);
- manifestBuf.append("Export-Package: " + packageName + EOL);
- Bundle dummyHost = getDummyHostBundle(packageName);
- if (dummyHost != null)
- manifestBuf.append("Fragment-Host: " + dummyHost.getSymbolicName() + EOL);
-
- ByteArrayInputStream manifestStream = new ByteArrayInputStream(manifestBuf.toString().getBytes());
- Manifest manifest = new Manifest();
- manifest.read(manifestStream);
-
- dummyClasses.add(interfaceClass);
- for (Class<?> clazz : interfaceClass.getClasses()) {
- dummyClasses.add(clazz);
- }
-
- JarOutputStream jarOut = new JarOutputStream(out, manifest);
-
- for (int i = 0; i < dummyClasses.size(); i++) {
-
- Class<?> clazz = dummyClasses.get(i);
- String className = clazz.getName();
- className = clazz.getName().replaceAll("\\.", "/") + ".class";
- ZipEntry ze = new ZipEntry(className);
- jarOut.putNextEntry(ze);
- InputStream stream = clazz.getResourceAsStream(clazz.getSimpleName() + ".class");
-
- byte[] bytes = new byte[stream.available()];
- stream.read(bytes);
- jarOut.write(bytes);
- stream.close();
- }
-
- jarOut.close();
- out.close();
-
-
- ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
-
-
- Bundle bundle = bundleContext.installBundle(
- "file://" + bundleName + ".jar",
- in);
-
- if (dummyHost == null)
- bundle.start();
-
- return bundle;
-
- }
-
-
-
- public InstanceWrapper<?> createInstanceWrapper() throws ObjectCreationException {
-
- return new OSGiInstanceWrapper<Object>(this, osgiAnnotations, bundleContext);
- }
-
-
-
- private void resolveWireCreateDummyBundles(final Class interfaceClass) throws Exception {
-
-
- try {
-
- osgiBundle.loadClass(interfaceClass.getName());
-
- } catch (ClassNotFoundException e) {
-
- // The interface used by the proxy is not in the source bundle
- // A dummy bundle needs to be installed to create the proxy
- // Allow privileged access to file system. Requires FileSystem permission in security
- // policy.
- Bundle dummyBundle = AccessController.doPrivileged(new PrivilegedExceptionAction<Bundle>() {
- public Bundle run() throws Exception {
- return installDummyBundle(interfaceClass);
- }
- });
-
- if (packageAdmin != null) {
-
- packageAdmin.resolveBundles(new Bundle[]{dummyBundle, osgiBundle});
-
- }
-
- }
- }
-
- /**
- * For OSGi->Java wires, create a proxy corresponding to the Java interfaces
- * and register the proxy with the OSGi registry, so that the source OSGi bundle can
- * locate the target Java instance from the registry like a regular OSGi service.
- *
- * For OSGi->OSGi wires, start the target OSGi bundle, so that references of the
- * target are resolved before the source OSGi bundle is started. If the reference
- * has properties specified, create a Proxy and register a service with highest
- * possible ranking. The Proxy should wire to the correct OSGi instance specified
- * in the SCA composite.
- *
- * The first phase determines whether a proxy should be installed. It also registers
- * a dummy bundle if necessary to resolve the bundle. When phase1 is completed on all
- * wires of the component, the bundle should be resolved. Phase2 registers the proxy service.
- */
- private boolean resolveWireResolveReferences(Bundle bundle, Class interfaceClass, RuntimeWire wire,
- boolean isOSGiToOSGiWire) throws Exception {
-
-
- // FIXME: At the moment injection of values into instances require an instance to be obtained
- // through the instance wrapper, and hence requires a proxy. When we do this processing here,
- // we don't yet know whether the target requires any property or callback injection. So it is
- // safer to create a proxy all the time.
- boolean createProxy = true;
-
- ComponentReference scaRef = componentReferenceWires.get(wire);
- Hashtable<String, Object> targetProperties = new Hashtable<String, Object>();
- processProperties(implementation.getReferenceProperties(scaRef.getName()), targetProperties);
-
-
- if (isOSGiToOSGiWire) {
-
- OSGiImplementationProvider implProvider = (OSGiImplementationProvider)wire.getTarget().getComponent().getImplementationProvider();
-
- // This is an OSGi->OSGi wire
- isOSGiToOSGiWire = true;
-
- // If the target component is stateless, use a proxy to create a new service each time
- if (!implProvider.getScope().equals(Scope.COMPOSITE)) createProxy = true;
-
- Interface interfaze = wire.getTarget().getInterfaceContract().getInterface();
-
- // If the target interface is remotable, create a proxy to support pass-by-value semantics
- // AllowsPassByReference is not detected until the target instance is obtained.
- if (interfaze.isRemotable())
- createProxy = true;
-
- // If any of the operations in the target interface is non-blocking, create a proxy
- List<Operation> ops = interfaze.getOperations();
- for (Operation op : ops) {
- if (op.isNonBlocking())
- createProxy = true;
- }
-
- // If properties are specified for the reference, create a proxy since rewiring may be required
- if (targetProperties.size() > 0) {
- createProxy = true;
- }
-
- // If properties are specified for the component, create a proxy for configuring
- // the component services.
- if (componentProperties.size() > 0) {
- createProxy = true;
- }
-
- // Since this is an OSGi->OSGi wire, start the target bundle before starting the
- // source bundle if there is no proxy. For direct wiring without a proxy, this ordering
- // is irrelevant in terms of class resolution, but the target needs to be started at some
- // point. But there is no opportunity later on to start the target OSGi bundle without a proxy.
- // When a Proxy is used, the target bundle needs to be resolved for the source bundle
- // to be resolved so that the interface is visible to the source. In this case the bundle
- // will be started when an instance is needed.
- if (!createProxy) {
- implProvider.startBundle(false);
- }
- else {
- implProvider.resolveBundle();
- }
- }
- else {
- createProxy = true;
- }
-
- return createProxy;
- }
-
-
- // Register proxy service
- private void resolveWireRegisterProxyService(final Bundle bundle, final Class interfaceClass, RuntimeWire wire) throws Exception {
-
- ComponentReference scaRef = componentReferenceWires.get(wire);
- Hashtable<String, Object> targetProperties = new Hashtable<String, Object>();
- processProperties(implementation.getReferenceProperties(scaRef.getName()), targetProperties);
- targetProperties.put(Constants.SERVICE_RANKING, Integer.MAX_VALUE);
-
- if (targetProperties.get(COMPONENT_SERVICE_NAME) == null && wire.getTarget().getComponent() != null) {
- String compServiceName = wire.getTarget().getComponent().getName() + "/" +
- wire.getTarget().getContract().getName();
- targetProperties.put(COMPONENT_SERVICE_NAME, compServiceName);
- }
-
-
- JDKProxyFactory proxyService = new JDKProxyFactory(messageFactory, mapper);
-
- // Allow privileged access to load classes. Requires getClassLoader permission in security
- // policy.
- final Class<?> proxyInterface = AccessController.doPrivileged(new PrivilegedExceptionAction<Class<?>>() {
- public Class<?> run() throws Exception {
- return bundle.loadClass(interfaceClass.getName());
- }
- });
-
- final Object proxy = proxyService.createProxy(proxyInterface, wire);
- final Hashtable<String, Object> finalTargetProperties = targetProperties;
- AccessController.doPrivileged(new PrivilegedExceptionAction<Object>() {
- public Object run() throws Exception {
- bundleContext.registerService(proxyInterface.getName(), proxy, finalTargetProperties);
- return null;
- }
- });
-
-
- }
-
-
- private void refreshPackages() {
-
- if (packageAdmin != null) {
- synchronized (this) {
- packagesRefreshed = false;
- packageAdmin.refreshPackages(null);
-
- if (!packagesRefreshed) {
- try {
- this.wait(2000);
- } catch (InterruptedException e) {
- // ignore
- }
- }
- packagesRefreshed = false;
- }
- }
- }
-
-
- private void resolveBundle() throws ObjectCreationException {
-
-
- try {
-
- if (!wiresResolved) {
- wiresResolved = true;
-
- if (!setReferencesAndProperties()) {
- wiresResolved = false;
- return;
- }
-
- int refPlusServices = referenceWires.size() + runtimeComponent.getServices().size();
- boolean[] createProxyService = new boolean[refPlusServices];
- Class<?>[] interfaceClasses = new Class<?>[refPlusServices] ;
- boolean[] isOSGiToOSGiWire = new boolean[refPlusServices];
- boolean[] wireResolved = new boolean[refPlusServices];
- int index = 0;
- for (RuntimeWire wire : referenceWires.keySet()) {
-
- Reference reference = referenceWires.get(wire);
-
- isOSGiToOSGiWire[index] = wire.getTarget().getComponent() != null &&
- wire.getTarget().getComponent().getImplementationProvider()
- instanceof OSGiImplementationProvider;
-
- Interface refInterface = reference.getInterfaceContract().getInterface();
- if (refInterface instanceof JavaInterface) {
- interfaceClasses[index] = ((JavaInterface)refInterface).getJavaClass();
-
- if (!isOSGiToOSGiWire[index])
- resolveWireCreateDummyBundles(interfaceClasses[index]);
-
- }
-
- if (!resolvedWires.contains(wire)) {
- resolvedWires.add(wire);
- }
- else
- wireResolved[index] = true;
-
- index++;
- }
- for (ComponentService service : runtimeComponent.getServices()) {
- Interface callbackInterface = service.getInterfaceContract().getCallbackInterface();
- if (callbackInterface instanceof JavaInterface) {
- interfaceClasses[index] = ((JavaInterface)callbackInterface).getJavaClass();
-
- resolveWireCreateDummyBundles(interfaceClasses[index]);
- }
-
- index++;
- }
-
- index = 0;
- for (RuntimeWire wire : referenceWires.keySet()) {
-
- if (!wireResolved[index]) {
- createProxyService[index] = resolveWireResolveReferences(osgiBundle,
- interfaceClasses[index],
- wire,
- isOSGiToOSGiWire[index]);
- }
- index++;
- }
-
- refreshPackages();
-
-
- index = 0;
- for (RuntimeWire wire : referenceWires.keySet()) {
-
- if (createProxyService[index] && !wireResolved[index])
- resolveWireRegisterProxyService(osgiBundle, interfaceClasses[index], wire);
- index++;
- }
- }
- else if (osgiBundle.getState() == Bundle.INSTALLED && packageAdmin != null) {
- packageAdmin.resolveBundles(new Bundle[] {osgiBundle});
- }
-
- } catch (Exception e) {
- e.printStackTrace();
- throw new ObjectCreationException(e);
- }
- }
-
-
- @SuppressWarnings("unchecked")
- private void configurePropertiesUsingConfigAdmin() {
-
- try {
-
- if (componentProperties.size() == 0)
- return;
-
- org.osgi.framework.ServiceReference configAdminReference =
- bundleContext.getServiceReference("org.osgi.service.cm.ConfigurationAdmin");
- if (configAdminReference != null) {
-
- Object cm = bundleContext.getService(configAdminReference);
- Class cmClass = cm.getClass().getClassLoader().loadClass("org.osgi.service.cm.ConfigurationAdmin");
- Method getConfigMethod = cmClass.getMethod("getConfiguration", String.class, String.class);
-
-
- Class configClass = cm.getClass().getClassLoader().loadClass("org.osgi.service.cm.Configuration");
-
- Method getMethod = configClass.getMethod("getProperties");
- Method updateMethod = configClass.getMethod("update", Dictionary.class);
-
- List<Service> services = implementation.getServices();
- HashSet<String> pidsProcessed = new HashSet<String>();
-
- for (Service service : services) {
-
- List<ComponentProperty> serviceProps = implementation.getServiceProperties(service.getName());
- String pid = null;
-
- if (serviceProps != null) {
- for (ComponentProperty prop : serviceProps) {
- if (prop.getName().equals("service.pid")) {
- ObjectFactory objFactory = propertyValueFactory.createValueFactory(prop,
- prop.getValue(), String.class);
- pid = (String)objFactory.getInstance();
- }
- }
- }
- if (pid == null || pidsProcessed.contains(pid))
- continue;
-
-
-
-
- Object config = getConfigMethod.invoke(cm, pid, null);
- Dictionary props = (Dictionary) getMethod.invoke(config);
- if (props == null)
- props = new Hashtable<String, Object>();
- for (String propertyName : componentProperties.keySet()) {
-
- props.put(propertyName, componentProperties.get(propertyName));
- }
-
- updateMethod.invoke(config, props);
-
-
- }
-
- }
-
- } catch (Exception e) {
- e.printStackTrace();
- }
-
- }
-
-
-
- public boolean isOptimizable() {
- return false;
- }
-
- public Scope getScope() {
- return osgiAnnotations.getScope();
- }
-
- public boolean isEagerInit() {
- return osgiAnnotations.isEagerInit();
- }
-
- public long getMaxAge() {
- return osgiAnnotations.getMaxAge();
- }
-
- public long getMaxIdleTime() {
- return osgiAnnotations.getMaxIdleTime();
- }
-
- protected ScopeContainer<?> getScopeContainer() {
- startBundle(true);
- return ((ScopedRuntimeComponent)runtimeComponent).getScopeContainer();
- }
-
- public Invoker createTargetInvoker(RuntimeComponentService service, Operation operation) {
-
-
- Interface serviceInterface = operation.getInterface();
- boolean isRemotable = serviceInterface.isRemotable();
-
-
- Invoker invoker = new OSGiTargetInvoker(operation, this, service);
- if (isRemotable) {
- return new OSGiRemotableInvoker(osgiAnnotations, dataBindingRegistry, operation, this, service);
- } else {
- return invoker;
- }
-
- }
-
-
- public Invoker createInvoker(RuntimeComponentService service, Operation operation) {
- return createTargetInvoker(service, operation);
- }
-
- public boolean supportsOneWayInvocation() {
- return false;
- }
-
- private boolean setReferencesAndProperties() {
-
- for (Reference ref: implementation.getReferences()) {
- List<RuntimeWire> wireList = null;
- ComponentReference compRef = null;
- for (ComponentReference cRef : runtimeComponent.getReferences()) {
- if (cRef.getName().equals(ref.getName())) {
-
- wireList = ((RuntimeComponentReference)cRef).getRuntimeWires();
-
- compRef = cRef;
- break;
- }
- }
-
- if (ref.getMultiplicity() == Multiplicity.ONE_N || ref.getMultiplicity() == Multiplicity.ZERO_N) {
- for (RuntimeWire wire : wireList) {
- referenceWires.put(wire, ref);
- componentReferenceWires.put(wire, compRef);
- }
-
- } else {
- if (wireList == null && ref.getMultiplicity() == Multiplicity.ONE_ONE) {
- throw new IllegalStateException("Required reference is missing: " + ref.getName());
- }
- if (wireList != null && !wireList.isEmpty()) {
- RuntimeWire wire = wireList.get(0);
- referenceWires.put(wire, ref);
- componentReferenceWires.put(wire, compRef);
- }
-
- }
-
- }
-
- processProperties(runtimeComponent.getProperties(), componentProperties);
-
- return true;
-
- }
-
- public void start() {
- setReferencesAndProperties();
- }
-
- public void processAnnotations(boolean doWait) throws IntrospectionException {
-
- if (!enterMethod(doWait, processAnnotationsEntryCount))
- return;
-
- try {
- osgiAnnotations.processAnnotations();
-
- Scope scope = osgiAnnotations.getScope();
- if (scope.equals(Scope.SYSTEM) || scope.equals(Scope.COMPOSITE)) {
- // Nothing
- } else {
-
- if (runtimeComponent instanceof ScopedRuntimeComponent) {
-
- ScopedRuntimeComponent component = (ScopedRuntimeComponent) runtimeComponent;
-
- ScopeContainer oldScopeContainer = component.getScopeContainer();
- component.setScopeContainer(null);
- ScopeContainer scopeContainer = scopeRegistry.getScopeContainer(runtimeComponent);
-
- if (oldScopeContainer != null && oldScopeContainer.getLifecycleState() == ScopeContainer.RUNNING) {
- scopeContainer.start();
- }
-
- component.setScopeContainer(scopeContainer);
- }
-
- }
- } finally {
- exitMethod(processAnnotationsEntryCount);
- }
- }
-
- public void stop() {
-
- if (osgiServiceListener != null)
- bundleContext.removeServiceListener(osgiServiceListener);
- }
-
-
-
- public void frameworkEvent(FrameworkEvent event) {
- if (event.getType() == FrameworkEvent.PACKAGES_REFRESHED) {
- synchronized (this) {
- packagesRefreshed = true;
- this.notifyAll();
- }
- }
-
- }
-
- public void bundleChanged(BundleEvent event) {
- if (event.getType() == BundleEvent.RESOLVED && event.getBundle() == osgiBundle) {
- try {
- processAnnotations(false);
- } catch (Throwable e) {
- e.printStackTrace();
- }
- }
- }
-
- private class OSGiServiceListener implements ServiceListener {
-
- private Bundle bundle;
-
- OSGiServiceListener(Bundle bundle) {
- this.bundle = bundle;
- }
-
- public void serviceChanged(org.osgi.framework.ServiceEvent event) {
-
-
- org.osgi.framework.ServiceReference reference = event.getServiceReference();
-
- if (event.getType() == ServiceEvent.REGISTERED && reference.getBundle() == bundle) {
-
- synchronized (implementation) {
-
- implementation.notifyAll();
- }
- }
-
- if (event.getType() == ServiceEvent.UNREGISTERING && reference.getBundle() == bundle) {
- // TODO: Process deregistering of OSGi services.
- }
- }
- }
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 12:25:38 +0000