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Diffstat (limited to 'tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi')
-rw-r--r--tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/BundleReference.java136
-rw-r--r--tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleActivator.java152
-rw-r--r--tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleContributionScanner.java193
-rw-r--r--tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleProcessor.java75
-rw-r--r--tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleReferenceModelResolver.java115
-rw-r--r--tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiClassReferenceModelResolver.java72
6 files changed, 0 insertions, 743 deletions
diff --git a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/BundleReference.java b/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/BundleReference.java
deleted file mode 100644
index 3f82f6fb17..0000000000
--- a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/BundleReference.java
+++ /dev/null
@@ -1,136 +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.contribution.osgi;
-
-import org.osgi.framework.Bundle;
-import org.osgi.framework.Constants;
-
-/**
- * A reference to an OSGi bundle
- *
- * @version $Rev$ $Date$
- */
-public class BundleReference {
-
- /**
- * The bundle.
- */
- private Bundle bundle;
-
- /**
- * The bundle version.
- */
- private String version;
-
- /**
- * The bundle name and version.
- */
- private String symbolicName;
-
- /**
- * Constructs a new BundleReference.
- *
- * @param bundle
- */
- public BundleReference(Bundle bundle) {
- this.bundle = bundle;
- this.symbolicName = bundle.getSymbolicName();
- this.version = (String)bundle.getHeaders().get(Constants.BUNDLE_VERSION);
- }
-
- /**
- * Constructs a new BundleReference.
- *
- * @param bundleSymbolicName The bundle symbolic name
- * @param bundleVersion The bundle version
- */
- public BundleReference(String bundleSymbolicName, String bundleVersion) {
- this.version = bundleVersion;
- this.symbolicName = bundleSymbolicName;
- }
-
- /**
- * Get the referenced bundle.
- *
- * @return The referenced bundle
- */
- public Bundle getBundle() {
- return bundle;
- }
-
- /**
- * Get the referenced bundle version.
- *
- * @return The bundle version
- */
- public String getVersion() {
- return version;
- }
-
- /**
- * Get the referenced bundle name and version.
- *
- * @return The bundle name
- */
- public String getSymbolicName() {
- return symbolicName;
- }
-
- /**
- * Returns true if the bundle reference is unresolved.
- *
- * @return Whether or not the bundle has been resolved
- */
- public boolean isUnresolved() {
- return bundle == null;
- }
-
- @Override
- public int hashCode() {
- final int prime = 31;
- int result = 1;
- result = prime * result + ((symbolicName == null) ? 0 : symbolicName.hashCode());
- result = prime * result + ((version == null) ? 0 : version.hashCode());
- return result;
- }
-
- @Override
- public boolean equals(Object obj) {
- if (this == obj)
- return true;
- if (obj == null)
- return false;
- if (getClass() != obj.getClass())
- return false;
- BundleReference other = (BundleReference)obj;
- if (symbolicName == null) {
- if (other.symbolicName != null)
- return false;
- } else if (!symbolicName.equals(other.symbolicName))
- return false;
- if (version == null) {
- if (other.version != null)
- return false;
- } else if (!version.equals(other.version))
- return false;
- return true;
- }
-
-}
diff --git a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleActivator.java b/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleActivator.java
deleted file mode 100644
index af13d2ee98..0000000000
--- a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleActivator.java
+++ /dev/null
@@ -1,152 +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.contribution.osgi.impl;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.MalformedURLException;
-import java.net.URL;
-import java.util.jar.JarInputStream;
-import java.util.jar.Manifest;
-
-import org.osgi.framework.Bundle;
-import org.osgi.framework.BundleActivator;
-import org.osgi.framework.BundleContext;
-import org.osgi.framework.BundleException;
-import org.osgi.framework.Constants;
-
-/**
- * The Bundle Activator that receives the BundleContext
- */
-public class OSGiBundleActivator implements BundleActivator {
- private static BundleContext bundleContext;
-
- public static BundleContext getBundleContext() {
- return bundleContext;
- }
-
- public void start(BundleContext context) throws Exception {
- bundleContext = context;
- }
-
- public void stop(BundleContext context) throws Exception {
- bundleContext = null;
- }
-
- public static Bundle findBundle(URL bundleURL) {
- if (bundleContext == null) {
- return null;
- }
- Bundle[] installedBundles = bundleContext.getBundles();
- for (Bundle bundle : installedBundles) {
- URL root = bundle.getEntry("/");
- if (root != null && root.getHost() != null && root.getHost().equals(bundleURL.getHost())) {
- return bundle;
- }
- }
- return null;
- }
-
- public static Bundle findBundle(String symbolicName, String version) {
- if (bundleContext == null) {
- return null;
- }
- Bundle[] bundles = bundleContext.getBundles();
- if (version == null) {
- version = "0.0.0";
- }
- for (Bundle b : bundles) {
- String v = (String)b.getHeaders().get(Constants.BUNDLE_VERSION);
- if (v == null) {
- v = "0.0.0";
- }
- if (b.getSymbolicName().equals(symbolicName) && (version.equals("0.0.0") || v.equals(version))) {
- return b;
- }
- }
- return null;
- }
-
- public static Bundle installBundle(String location, InputStream is) throws BundleException {
- getBundleContext();
- return bundleContext.installBundle(location, is);
- }
-
- public static Bundle installBundle(String location) throws BundleException, IOException {
- getBundleContext();
-
- URL url = new URL(location);
- Bundle bundle = null;
- InputStream is = url.openStream();
- JarInputStream jar = new JarInputStream(is);
-
- Manifest manifest = jar.getManifest();
- jar.close();
- if (manifest != null) {
- String symbolicName = manifest.getMainAttributes().getValue(Constants.BUNDLE_SYMBOLICNAME);
- String version = manifest.getMainAttributes().getValue(Constants.BUNDLE_VERSION);
- if (symbolicName != null) {
- bundle = findBundle(symbolicName, version);
- if (bundle != null) {
- return bundle;
- }
- } else {
- return null;
- }
- } else {
- return null;
- }
- try {
- is = url.openStream();
- bundle = bundleContext.installBundle(location, is);
- } finally {
- is.close();
- }
- return bundle;
- }
-
- public static Bundle findBundleByLocation(String bundleLocation) {
- if (bundleContext != null) {
- Bundle[] installedBundles = bundleContext.getBundles();
- for (Bundle bundle : installedBundles) {
- if (bundle.getLocation().equals(bundleLocation))
- return bundle;
- }
- }
- return null;
- }
-
- public static Bundle findBundle(String bundleLocation) {
- if (bundleContext != null) {
- if (bundleLocation.startsWith("bundle:") || bundleLocation.startsWith("bundleresource:")
- || bundleLocation.startsWith("bundleentry:")) {
- try {
- return findBundle(new URL(bundleLocation));
- } catch (MalformedURLException e) {
- // ignore
- }
- } else {
- return findBundleByLocation(bundleLocation);
- }
- }
- return null;
- }
-
-}
diff --git a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleContributionScanner.java b/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleContributionScanner.java
deleted file mode 100644
index a8bec24dab..0000000000
--- a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleContributionScanner.java
+++ /dev/null
@@ -1,193 +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.contribution.osgi.impl;
-
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.Enumeration;
-import java.util.HashSet;
-import java.util.List;
-import java.util.Set;
-import java.util.jar.JarEntry;
-import java.util.jar.JarInputStream;
-
-import org.apache.tuscany.sca.contribution.Contribution;
-import org.apache.tuscany.sca.contribution.PackageType;
-import org.apache.tuscany.sca.contribution.processor.ContributionException;
-import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
-import org.apache.tuscany.sca.contribution.scanner.ContributionScanner;
-import org.osgi.framework.Bundle;
-import org.osgi.framework.Constants;
-
-/**
- * Bundle Contribution package processor.
- *
- * @version $Rev$ $Date$
- */
-public class OSGiBundleContributionScanner implements ContributionScanner {
-
- public OSGiBundleContributionScanner() {
- }
-
- public String getContributionType() {
- return PackageType.BUNDLE;
- }
-
- public URL getArtifactURL(Contribution contribution, String artifact) throws ContributionReadException {
- Bundle bundle = null;
- try {
- bundle = OSGiBundleActivator.findBundle(contribution.getLocation());
- if (bundle != null) {
- URL url = bundle.getResource(artifact);
- return url;
- }
- } catch (Exception e) {
- }
- return null;
- }
-
- public List<String> getJarArtifacts(URL packageSourceURL, InputStream inputStream) throws ContributionException,
- IOException {
- if (packageSourceURL == null) {
- throw new IllegalArgumentException("Invalid null package source URL.");
- }
-
- if (inputStream == null) {
- throw new IllegalArgumentException("Invalid null source inputstream.");
- }
-
- // Assume the root is a jar file
- JarInputStream jar = new JarInputStream(inputStream);
- try {
- Set<String> names = new HashSet<String>();
- while (true) {
- JarEntry entry = jar.getNextJarEntry();
- if (entry == null) {
- // EOF
- break;
- }
-
- // FIXME: Maybe we should externalize the filter as a property
- String name = entry.getName();
- if (!name.startsWith(".") && !entry.isDirectory()) {
-
- // Trim trailing /
- if (name.endsWith("/")) {
- name = name.substring(0, name.length() - 1);
- }
-
- // Add the entry name
- if (!names.contains(name) && name.length() > 0) {
- names.add(name);
-
- }
- }
- }
-
- // Return list of URIs
- List<String> artifacts = new ArrayList<String>();
- for (String name : names) {
- artifacts.add(name);
- }
- return artifacts;
-
- } finally {
- jar.close();
- }
- }
-
- public List<String> scan(Contribution contribution) throws ContributionReadException {
- Bundle bundle = OSGiBundleActivator.findBundle(contribution.getLocation());
-
- if (bundle == null) {
- throw new IllegalArgumentException("Could not find OSGi bundle " + contribution.getLocation());
- }
-
- List<String> artifacts = new ArrayList<String>();
- Set<String> bundleClassPath = new HashSet<String>();
- String cp = (String)bundle.getHeaders().get(Constants.BUNDLE_CLASSPATH);
- if (cp != null) {
- String[] paths = cp.split(",");
- for (String path : paths) {
- bundleClassPath.add(path.trim());
- }
- }
-
- try {
- Enumeration<?> entries = bundle.findEntries("/", "*", true);
- while (entries.hasMoreElements()) {
- URL entry = (URL)entries.nextElement();
- String entryName = entry.getPath();
- if (entryName.contains("/.svn/")) {
- // Ignore .svn files
- continue;
- }
- if (entryName.startsWith("/")) {
- entryName = entryName.substring(1);
- }
- artifacts.add(entryName);
-
- if (entryName.endsWith(".jar") && bundleClassPath.contains(entryName)) {
- artifacts.addAll(getJarArtifacts(entry, entry.openStream()));
- }
-
- }
- } catch (Exception e) {
- throw new RuntimeException(e);
- }
- contribution.getExtensions().add(bundle);
- contribution.getTypes().add(getContributionType());
- contribution.setClassLoader(new BundleClassLoader(bundle));
- return artifacts;
- }
-
- private static class BundleClassLoader extends ClassLoader {
- private Bundle bundle;
- public BundleClassLoader(Bundle bundle) {
- super(null);
- this.bundle = bundle;
- }
-
- @Override
- protected Class<?> findClass(String name) throws ClassNotFoundException {
- return bundle.loadClass(name);
- }
-
- @Override
- protected URL findResource(String name) {
- return bundle.getResource(name);
- }
-
- @Override
- protected Enumeration<URL> findResources(String name) throws IOException {
- Enumeration<URL> urls = bundle.getResources(name);
- if (urls == null) {
- List<URL> list = Collections.emptyList();
- return Collections.enumeration(list);
- } else {
- return urls;
- }
- }
- }
-
-}
diff --git a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleProcessor.java b/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleProcessor.java
deleted file mode 100644
index 0b0d49de3e..0000000000
--- a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleProcessor.java
+++ /dev/null
@@ -1,75 +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.contribution.osgi.impl;
-
-import java.util.List;
-
-import org.apache.tuscany.sca.contribution.Artifact;
-import org.apache.tuscany.sca.contribution.Contribution;
-import org.apache.tuscany.sca.contribution.osgi.BundleReference;
-import org.osgi.framework.Bundle;
-
-/**
- * OSGi bundle processor
- *
- * @version $Rev$ $Date$
- */
-public class OSGiBundleProcessor {
-
- // private boolean initializedOSGi;
- // private OSGiRuntime osgiRuntime;
-
- public OSGiBundleProcessor() {
- }
-
- public Object installContributionBundle(Contribution contribution) {
-
- Object bundle = null;
- try {
- bundle = OSGiBundleActivator.installBundle(contribution.getLocation());
- } catch (Exception e) {
- // If OSGi cannot process the jar, treat the bundle as a plain jar file.
- }
- return bundle;
- }
-
- public BundleReference installNestedBundle(Contribution contribution,
- String bundleSymbolicName,
- String bundleVersion) {
-
- BundleReference bundleReference = null;
-
- List<Artifact> artifacts = contribution.getArtifacts();
- for (Artifact a : artifacts) {
- if (a.getURI().endsWith(".jar")) {
- try {
- Bundle bundle = OSGiBundleActivator.installBundle(a.getLocation());
- if (bundle != null) {
- bundleReference = new BundleReference(bundle);
- break;
- }
- } catch (Exception e) {
- // If OSGi cannot process the jar, treat the bundle as a plain jar file.
- }
- }
- }
- return bundleReference;
- }
-}
diff --git a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleReferenceModelResolver.java b/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleReferenceModelResolver.java
deleted file mode 100644
index e63bbc495f..0000000000
--- a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiBundleReferenceModelResolver.java
+++ /dev/null
@@ -1,115 +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.contribution.osgi.impl;
-
-import java.util.HashMap;
-import java.util.Map;
-
-import org.apache.tuscany.sca.contribution.Contribution;
-import org.apache.tuscany.sca.contribution.Import;
-import org.apache.tuscany.sca.contribution.osgi.BundleReference;
-import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
-import org.apache.tuscany.sca.core.FactoryExtensionPoint;
-import org.osgi.framework.Bundle;
-
-/**
- * A Model Resolver for BundleReferences.
- *
- * @version $Rev$ $Date$
- */
-public class OSGiBundleReferenceModelResolver implements ModelResolver {
- private Contribution contribution;
- private Map<BundleReference, BundleReference> refs = new HashMap<BundleReference, BundleReference>();
-
- private OSGiBundleProcessor bundleProcessor;
-
- public OSGiBundleReferenceModelResolver(Contribution contribution, FactoryExtensionPoint modelFactories) {
- this.contribution = contribution;
- this.bundleProcessor = new OSGiBundleProcessor();
- }
-
- public void addModel(Object resolved) {
- BundleReference bundleRef = (BundleReference)resolved;
- refs.put(bundleRef, bundleRef);
- }
-
- public Object removeModel(Object resolved) {
- return refs.remove(resolved);
- }
-
- /**
- * Handle artifact resolution when the specific class reference is imported from another contribution
- * @param unresolved
- * @return
- */
- private BundleReference resolveImportedModel(BundleReference unresolved) {
- BundleReference resolved = unresolved;
-
- if (this.contribution != null) {
- for (Import import_ : this.contribution.getImports()) {
-
- resolved = import_.getModelResolver().resolveModel(BundleReference.class, unresolved);
- if (resolved != unresolved)
- break;
- }
-
- }
- return resolved;
- }
-
- public <T> T resolveModel(Class<T> modelClass, T unresolved) {
- Object resolved = refs.get(unresolved);
-
- if (resolved != null) {
- return modelClass.cast(resolved);
- }
-
- if (OSGiBundleActivator.getBundleContext() == null)
- return unresolved;
-
- //Load a class on demand
- Bundle bundle = null;
- String bundleName = ((BundleReference)unresolved).getSymbolicName();
- String bundleVersion = ((BundleReference)unresolved).getVersion();
-
- bundle = OSGiBundleActivator.findBundle(bundleName, bundleVersion);
- BundleReference bundleReference;
-
- if (bundle == null) {
- bundleReference = bundleProcessor.installNestedBundle(contribution, bundleName, bundleVersion);
- } else {
- bundleReference = new BundleReference(bundle);
- }
-
- if (bundleReference != null) {
- //if we load the class
-
- refs.put(((BundleReference)unresolved), bundleReference);
-
- // Return the resolved BundleReference
- return modelClass.cast(bundleReference);
- } else {
- //delegate resolution of the class
- resolved = this.resolveImportedModel((BundleReference)unresolved);
- return modelClass.cast(resolved);
- }
-
- }
-}
diff --git a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiClassReferenceModelResolver.java b/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiClassReferenceModelResolver.java
deleted file mode 100644
index 4862050084..0000000000
--- a/tags/java/sca/2.0-M3-RC3/modules/contribution-osgi/src/main/java/org/apache/tuscany/sca/contribution/osgi/impl/OSGiClassReferenceModelResolver.java
+++ /dev/null
@@ -1,72 +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.contribution.osgi.impl;
-
-import org.apache.tuscany.sca.contribution.Contribution;
-import org.apache.tuscany.sca.contribution.resolver.ClassReference;
-import org.apache.tuscany.sca.contribution.resolver.ModelResolver;
-import org.apache.tuscany.sca.core.FactoryExtensionPoint;
-import org.osgi.framework.Bundle;
-
-/**
- * A Model Resolver for ClassReferences.
- *
- * @version $Rev$ $Date$
- */
-public class OSGiClassReferenceModelResolver implements ModelResolver {
- // private Contribution contribution;
- private Bundle bundle;
-
- public OSGiClassReferenceModelResolver(Contribution contribution, FactoryExtensionPoint modelFactories) {
- // this.contribution = contribution;
- this.bundle = OSGiBundleActivator.findBundle(contribution.getLocation());
- }
-
- public void addModel(Object resolved) {
- }
-
- public Object removeModel(Object resolved) {
- return resolved;
- }
-
- public <T> T resolveModel(Class<T> modelClass, T unresolved) {
- //Load a class on demand
- Class<?> clazz = null;
- if (bundle != null) {
- try {
- clazz = bundle.loadClass(((ClassReference)unresolved).getClassName());
- } catch (Exception e) {
- // Ignore
- }
- }
-
- if (clazz != null) {
- //if we load the class
- // Store a new ClassReference wrapping the loaded class
- ClassReference classReference = new ClassReference(clazz);
-
- // Return the resolved ClassReference
- return modelClass.cast(classReference);
- } else {
- return unresolved;
- }
-
- }
-}