| /* |
| * Copyright (c) 2007, Rickard Öberg. All Rights Reserved. |
| * |
| * 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 org.apache.zest.runtime.injection; |
| |
| import java.lang.annotation.Retention; |
| import java.lang.reflect.AnnotatedElement; |
| import java.lang.reflect.Method; |
| import org.hamcrest.CoreMatchers; |
| import org.junit.Assert; |
| import org.junit.Test; |
| import org.apache.zest.api.composite.TransientComposite; |
| import org.apache.zest.api.concern.ConcernOf; |
| import org.apache.zest.api.concern.Concerns; |
| import org.apache.zest.api.injection.scope.Invocation; |
| import org.apache.zest.api.mixin.Mixins; |
| import org.apache.zest.bootstrap.AssemblyException; |
| import org.apache.zest.bootstrap.ModuleAssembly; |
| import org.apache.zest.bootstrap.SingletonAssembler; |
| |
| import static java.lang.annotation.RetentionPolicy.RUNTIME; |
| |
| /** |
| * Test the @Invocation annotation |
| */ |
| public class InvocationInjectionTest |
| { |
| @Test |
| public void whenInvocationInjectionWithMethodWhenInjectedThenInjectMethod() |
| throws Exception |
| { |
| SingletonAssembler assembly = new SingletonAssembler() |
| { |
| public void assemble( ModuleAssembly module ) |
| throws AssemblyException |
| { |
| module.transients( MyComposite.class ); |
| } |
| }; |
| |
| MyComposite composite = assembly.module().newTransient( MyComposite.class ); |
| |
| composite.doStuff(); |
| composite.doStuff(); |
| composite.doStuff2(); |
| composite.doStuff3(); |
| } |
| |
| @Mixins( MyMixin.class ) |
| @Concerns( MyConcern.class ) |
| // START SNIPPET: declaration |
| public interface MyComposite |
| extends TransientComposite |
| { |
| @Foo( "1" ) |
| void doStuff(); |
| // END SNIPPET: declaration |
| void doStuff2(); |
| |
| @Foo( "X" ) |
| void doStuff3(); |
| } |
| |
| // START SNIPPET: use1 |
| public abstract static class MyConcern |
| extends ConcernOf<MyComposite> |
| implements MyComposite |
| { |
| @Invocation |
| Foo foo; |
| // END SNIPPET: use1 |
| @Invocation |
| Method method; |
| |
| @Invocation |
| AnnotatedElement ae; |
| |
| public void doStuff() |
| { |
| Assert.assertThat( "interface has been injected", foo.value(), CoreMatchers.equalTo( "1" ) ); |
| Assert.assertThat( "annotations have been injected", ae.getAnnotation( Foo.class ) |
| .value(), CoreMatchers.equalTo( "1" ) ); |
| Assert.assertThat( "Method has been injected", method.getName(), CoreMatchers.equalTo( "doStuff" ) ); |
| next.doStuff(); |
| } |
| |
| public void doStuff2() |
| { |
| Assert.assertThat( "mixin has been injected", foo.value(), CoreMatchers.equalTo( "2" ) ); |
| Assert.assertThat( "annotations have been injected", ae.getAnnotation( Foo.class ) |
| .value(), CoreMatchers.equalTo( "2" ) ); |
| Assert.assertThat( "Method has been injected", method.getName(), CoreMatchers.equalTo( "doStuff2" ) ); |
| next.doStuff2(); |
| } |
| |
| public void doStuff3() |
| { |
| Assert.assertThat( "mixin has overridden interface", foo.value(), CoreMatchers.equalTo( "3" ) ); |
| Assert.assertThat( "annotations have been injected", ae.getAnnotation( Foo.class ) |
| .value(), CoreMatchers.equalTo( "3" ) ); |
| Assert.assertThat( "Method has been injected", method.getName(), CoreMatchers.equalTo( "doStuff3" ) ); |
| next.doStuff3(); |
| } |
| } |
| |
| public abstract static class MyMixin |
| implements MyComposite |
| { |
| public void doStuff() |
| { |
| } |
| |
| @Foo( "2" ) |
| public void doStuff2() |
| { |
| } |
| |
| @Foo( "3" ) |
| public void doStuff3() |
| { |
| } |
| } |
| // START SNIPPET: annotation |
| @Retention( RUNTIME ) |
| @interface Foo |
| { |
| String value(); |
| } |
| // END SNIPPET: annotation |
| } |