/* * Copyright (C) 2006 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.google.inject; import static java.lang.annotation.RetentionPolicy.RUNTIME; import com.google.inject.name.Named; import com.google.inject.name.Names; import java.lang.annotation.ElementType; import java.lang.annotation.Retention; import java.lang.annotation.Target; import java.util.List; /** @author crazybob@google.com (Bob Lee) */ public class ErrorHandlingTest { public static void main(String[] args) throws CreationException { try { Guice.createInjector(new MyModule()); } catch (CreationException e) { e.printStackTrace(); System.err.println("--"); } Injector bad = Guice.createInjector( new AbstractModule() { @Override protected void configure() { bind(String.class) .toProvider( new Provider<String>() { @Override public String get() { return null; } }); } }); try { bad.getInstance(String.class); } catch (Exception e) { e.printStackTrace(); System.err.println("--"); } try { bad.getInstance(NeedsString.class); } catch (Exception e) { e.printStackTrace(); System.err.println("--"); } } static class NeedsString { @Inject String mofo; } @Inject @Named("missing") static List<String> missing = null; static class Foo { @Inject public Foo(Runnable r) {} @Inject void setNames(List<String> names) {} } static class Bar { // Invalid constructor. Bar(String s) {} @Inject void setNumbers(@Named("numbers") List<Integer> numbers) {} @Inject void bar(@Named("foo") String s) {} } static class Tee { @Inject String s; @Inject void tee(String s, int i) {} @Inject Invalid invalid; } static class Invalid { Invalid(String s) {} } // suppress compiler error to test @SuppressWarnings({"MoreThanOneScopeAnnotationOnClass", "multiple-scope"}) @Singleton @GoodScope static class TooManyScopes {} @Target(ElementType.TYPE) @Retention(RUNTIME) @ScopeAnnotation @interface GoodScope {} @interface BadScope {} @ImplementedBy(String.class) interface I {} static class MyModule extends AbstractModule { @Override protected void configure() { bind(Runnable.class); bind(Foo.class); bind(Bar.class); bind(Tee.class); bind(new TypeLiteral<List<String>>() {}); bind(String.class).annotatedWith(Names.named("foo")).in(Named.class); bind(Key.get(Runnable.class)).to(Key.get(Runnable.class)); bind(TooManyScopes.class); bindScope(BadScope.class, Scopes.SINGLETON); bind(Object.class) .toInstance( new Object() { @Inject void foo() { throw new RuntimeException(); } }); requestStaticInjection(ErrorHandlingTest.class); addError("I don't like %s", "you"); Object o = "2"; try { Integer i = (Integer) o; } catch (Exception e) { addError(e); } bind(Module.class).toInstance(this); bind(I.class); } } }