core/test/com/googlecode/guice/bundle/OSGiTestActivator.java - platform/external/guice - Git at Google

 /**
  * Copyright (C) 2009 Google Inc.
  *
  * Licensed 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 com.googlecode.guice.bundle;

 import static com.google.inject.name.Names.named;

 import com.google.inject.AbstractModule;
 import com.google.inject.Guice;
 import com.google.inject.Inject;
 import com.google.inject.Injector;
 import com.google.inject.Key;
 import com.google.inject.matcher.AbstractMatcher;

 import org.osgi.framework.Bundle;
 import org.osgi.framework.BundleActivator;
 import org.osgi.framework.BundleContext;
 import org.osgi.framework.BundleException;

 import java.lang.reflect.Method;
 import java.lang.reflect.Modifier;
 import java.util.Random;

 /**
  * Test Guice from inside an OSGi bundle activator.
  *
  * @author mcculls@gmail.com (Stuart McCulloch)
  */
 @SuppressWarnings("unused") public class OSGiTestActivator
     implements BundleActivator {

   // varying visibilities to test our code-generation support

   public static class Undefined {}

   public interface A {}

   protected interface B {}

   interface C {}

   private interface D {}

   public static class AA
       implements A {

     public AA() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   protected static class AB
       implements A {

     public AB() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   static class AC
       implements A {

     public AC() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   private static class AD
       implements A {

     public AD() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   public static class BA
       implements B {

     protected BA() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   protected static class BB
       implements B {

     protected BB() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   static class BC
       implements B {

     protected BC() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   private static class BD
       implements B {

     protected BD() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   public static class CA
       implements C {

     CA() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   protected static class CB
       implements C {

     CB() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   static class CC
       implements C {

     CC() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   private static class CD
       implements C {

     CD() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   public static class DA
       implements D {

     @Inject private DA() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   protected static class DB
       implements D {

     @Inject private DB() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   static class DC
       implements D {

     @Inject private DC() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   private static class DD
       implements D {

     private DD() {}

     @Inject public void setA(Undefined undefined) {}

     @Inject protected void setB(Undefined undefined) {}

     @Inject void setC(Undefined undefined) {}

     @Inject private void setD(Undefined undefined) {}

     @Inject public Undefined a;

     @Inject protected Undefined b;

     @Inject Undefined c;

     @Inject private Undefined d;
   }

   enum Visibility {
     PUBLIC, PROTECTED, PACKAGE_PRIVATE, PRIVATE
   }

   static final Class<?>[] TEST_CLAZZES = {A.class, B.class, C.class, D.class};

   // registers all the class combinations
   static class TestModule
       extends AbstractModule {

     final Bundle bundle;

     TestModule(Bundle bundle) {
       this.bundle = bundle;
     }

     @Override @SuppressWarnings("unchecked") protected void configure() {
       for (Class<?> api : TEST_CLAZZES) {
         for (Visibility visibility : Visibility.values()) {
           try {

             // this registers: A + PUBLIC -> AA, A + PROTECTED -> AB, etc...
             String suffix = TEST_CLAZZES[visibility.ordinal()].getSimpleName();
             Class imp = bundle.loadClass(api.getName() + suffix);
             bind(api).annotatedWith(named(visibility.name())).to(imp);

           } catch (ClassNotFoundException e) {
             throw new RuntimeException("Unable to load test class", e);
           }
         }
       }
     }
   }

 /*if[AOP]*/
   // applies method-interception to classes with enough visibility
   static class InterceptorModule
       extends AbstractModule {
     @Override protected void configure() {
       bindInterceptor(new AbstractMatcher<Class<?>>() {
         public boolean matches(Class<?> clazz) {
           try {

             // the class and constructor must be visible
             int clazzModifiers = clazz.getModifiers();
             int ctorModifiers = clazz.getConstructor().getModifiers();
             return (clazzModifiers & (Modifier.PUBLIC | Modifier.PROTECTED)) != 0
                 && (ctorModifiers & (Modifier.PUBLIC | Modifier.PROTECTED)) != 0;

           } catch (NoSuchMethodException e) {
             return false;
           }
         }
       }, new AbstractMatcher<Method>() {
         public boolean matches(Method method) {

           // the intercepted method must also be visible
           int methodModifiers = method.getModifiers();
           return (methodModifiers & (Modifier.PUBLIC | Modifier.PROTECTED)) != 0;

         }
       }, new org.aopalliance.intercept.MethodInterceptor() {
         public Object invoke(org.aopalliance.intercept.MethodInvocation mi)
             throws Throwable {

           return mi.proceed();
         }
       });
     }
   }
 /*end[AOP]*/

   // called from OSGi when bundle starts
   public void start(BundleContext context)
       throws BundleException {

     final Bundle bundle = context.getBundle();

     Injector injector = Guice.createInjector(new TestModule(bundle));
 /*if[AOP]*/
     Injector aopInjector = Guice.createInjector(new TestModule(bundle), new InterceptorModule());
 /*end[AOP]*/

     // test code-generation support
     for (Class<?> api : TEST_CLAZZES) {
       for (Visibility vis : Visibility.values()) {
         injector.getInstance(Key.get(api, named(vis.name())));
 /*if[AOP]*/
         aopInjector.getInstance(Key.get(api, named(vis.name())));
 /*end[AOP]*/
       }
     }

     // test injection of system class (issue 343)
     injector.getInstance(Random.class);
 /*if[AOP]*/
     aopInjector.getInstance(Random.class);
 /*end[AOP]*/
   }

   // called from OSGi when bundle stops
   public void stop(BundleContext context) {}
 }
	/**
	* Copyright (C) 2009 Google Inc.
	*
	* Licensed 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 com.googlecode.guice.bundle;

	import static com.google.inject.name.Names.named;

	import com.google.inject.AbstractModule;
	import com.google.inject.Guice;
	import com.google.inject.Inject;
	import com.google.inject.Injector;
	import com.google.inject.Key;
	import com.google.inject.matcher.AbstractMatcher;

	import org.osgi.framework.Bundle;
	import org.osgi.framework.BundleActivator;
	import org.osgi.framework.BundleContext;
	import org.osgi.framework.BundleException;

	import java.lang.reflect.Method;
	import java.lang.reflect.Modifier;
	import java.util.Random;

	/**
	* Test Guice from inside an OSGi bundle activator.
	*
	* @author mcculls@gmail.com (Stuart McCulloch)
	*/
	@SuppressWarnings("unused") public class OSGiTestActivator
	implements BundleActivator {

	// varying visibilities to test our code-generation support

	public static class Undefined {}

	public interface A {}

	protected interface B {}

	interface C {}

	private interface D {}

	public static class AA
	implements A {

	public AA() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	protected static class AB
	implements A {

	public AB() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	static class AC
	implements A {

	public AC() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	private static class AD
	implements A {

	public AD() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	public static class BA
	implements B {

	protected BA() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	protected static class BB
	implements B {

	protected BB() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	static class BC
	implements B {

	protected BC() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	private static class BD
	implements B {

	protected BD() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	public static class CA
	implements C {

	CA() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	protected static class CB
	implements C {

	CB() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	static class CC
	implements C {

	CC() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	private static class CD
	implements C {

	CD() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	public static class DA
	implements D {

	@Inject private DA() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	protected static class DB
	implements D {

	@Inject private DB() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	static class DC
	implements D {

	@Inject private DC() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	private static class DD
	implements D {

	private DD() {}

	@Inject public void setA(Undefined undefined) {}

	@Inject protected void setB(Undefined undefined) {}

	@Inject void setC(Undefined undefined) {}

	@Inject private void setD(Undefined undefined) {}

	@Inject public Undefined a;

	@Inject protected Undefined b;

	@Inject Undefined c;

	@Inject private Undefined d;
	}

	enum Visibility {
	PUBLIC, PROTECTED, PACKAGE_PRIVATE, PRIVATE
	}

	static final Class<?>[] TEST_CLAZZES = {A.class, B.class, C.class, D.class};

	// registers all the class combinations
	static class TestModule
	extends AbstractModule {

	final Bundle bundle;

	TestModule(Bundle bundle) {
	this.bundle = bundle;
	}

	@Override @SuppressWarnings("unchecked") protected void configure() {
	for (Class<?> api : TEST_CLAZZES) {
	for (Visibility visibility : Visibility.values()) {
	try {

	// this registers: A + PUBLIC -> AA, A + PROTECTED -> AB, etc...
	String suffix = TEST_CLAZZES[visibility.ordinal()].getSimpleName();
	Class imp = bundle.loadClass(api.getName() + suffix);
	bind(api).annotatedWith(named(visibility.name())).to(imp);

	} catch (ClassNotFoundException e) {
	throw new RuntimeException("Unable to load test class", e);
	}
	}
	}
	}
	}

	/if[AOP]/
	// applies method-interception to classes with enough visibility
	static class InterceptorModule
	extends AbstractModule {
	@Override protected void configure() {
	bindInterceptor(new AbstractMatcher<Class<?>>() {
	public boolean matches(Class<?> clazz) {
	try {

	// the class and constructor must be visible
	int clazzModifiers = clazz.getModifiers();
	int ctorModifiers = clazz.getConstructor().getModifiers();
	return (clazzModifiers & (Modifier.PUBLIC \| Modifier.PROTECTED)) != 0
	&& (ctorModifiers & (Modifier.PUBLIC \| Modifier.PROTECTED)) != 0;

	} catch (NoSuchMethodException e) {
	return false;
	}
	}
	}, new AbstractMatcher<Method>() {
	public boolean matches(Method method) {

	// the intercepted method must also be visible
	int methodModifiers = method.getModifiers();
	return (methodModifiers & (Modifier.PUBLIC \| Modifier.PROTECTED)) != 0;

	}
	}, new org.aopalliance.intercept.MethodInterceptor() {
	public Object invoke(org.aopalliance.intercept.MethodInvocation mi)
	throws Throwable {

	return mi.proceed();
	}
	});
	}
	}
	/end[AOP]/

	// called from OSGi when bundle starts
	public void start(BundleContext context)
	throws BundleException {

	final Bundle bundle = context.getBundle();

	Injector injector = Guice.createInjector(new TestModule(bundle));
	/if[AOP]/
	Injector aopInjector = Guice.createInjector(new TestModule(bundle), new InterceptorModule());
	/end[AOP]/

	// test code-generation support
	for (Class<?> api : TEST_CLAZZES) {
	for (Visibility vis : Visibility.values()) {
	injector.getInstance(Key.get(api, named(vis.name())));
	/if[AOP]/
	aopInjector.getInstance(Key.get(api, named(vis.name())));
	/end[AOP]/
	}
	}

	// test injection of system class (issue 343)
	injector.getInstance(Random.class);
	/if[AOP]/
	aopInjector.getInstance(Random.class);
	/end[AOP]/
	}

	// called from OSGi when bundle stops
	public void stop(BundleContext context) {}
	}