DATACMNS-150 - Fixed potential ClassCastException in DomainClassConverter and -PropertyEditorRegistrar.

Introduced Repositories value object to easily access repository instances and EntityInformation objects registered in an ApplicationContext.

spring-data-commons-core/src/test/java/org/springframework/data/repository/support/DomainClassPropertyEditorRegistrarUnitTests.java

@@ -16,8 +16,7 @@
 package org.springframework.data.repository.support;
 
 import static org.hamcrest.Matchers.*;
-import static org.mockito.Matchers.argThat;
-import static org.mockito.Matchers.eq;
+import static org.mockito.Matchers.*;
 import static org.mockito.Mockito.*;
 
 import java.io.Serializable;
@@ -101,7 +100,7 @@ public class DomainClassPropertyEditorRegistrarUnitTests {
 	private <T> Map<String, T> getBeanAsMap(T bean) {
 
 		Map<String, T> beanMap = new HashMap<String, T>();
-		beanMap.put(bean.getClass().getName(), bean);
+		beanMap.put(bean.toString(), bean);
 		return beanMap;
 	}
 

spring-data-commons-core/src/test/java/org/springframework/data/repository/support/RepositoriesUnitTests.java

@@ -0,0 +1,153 @@
+/*
+ * Copyright 2012 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except
+import org.springframework.data.repository.core.support.DefaultRepositoryMetadata;
+ 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.springframework.data.repository.support;
+
+import static org.hamcrest.CoreMatchers.*;
+import static org.junit.Assert.*;
+import static org.mockito.Mockito.*;
+
+import java.io.Serializable;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.junit.Before;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.mockito.Mock;
+import org.mockito.runners.MockitoJUnitRunner;
+import org.springframework.context.ApplicationContext;
+import org.springframework.data.repository.CrudRepository;
+import org.springframework.data.repository.Repository;
+import org.springframework.data.repository.core.EntityInformation;
+import org.springframework.data.repository.core.RepositoryMetadata;
+import org.springframework.data.repository.core.support.DefaultRepositoryMetadata;
+import org.springframework.data.repository.core.support.RepositoryFactoryInformation;
+
+/**
+ * Unit tests for {@link Repositories}.
+ * 
+ * @author Oliver Gierke
+ */
+@RunWith(MockitoJUnitRunner.class)
+public class RepositoriesUnitTests {
+
+	@Mock
+	PersonRepository personRepository;
+	@Mock
+	AddressRepository addressRepository;
+	@Mock
+	ApplicationContext context;
+
+	@Before
+	@SuppressWarnings({ "unchecked", "rawtypes" })
+	public void setUp() {
+
+		Map factoryInformations = getBeanAsMap(new SampleRepoFactoryInformation<Address, Long>(AddressRepository.class),
+				new SampleRepoFactoryInformation<Person, Long>(PersonRepository.class));
+		Map<String, PersonRepository> personRepositories = getBeanAsMap(personRepository);
+		Map<String, AddressRepository> addressRepositories = getBeanAsMap(addressRepository);
+
+		when(context.getBeansOfType(RepositoryFactoryInformation.class)).thenReturn(factoryInformations);
+		when(context.getBeansOfType(PersonRepository.class)).thenReturn(personRepositories);
+		when(context.getBeansOfType(AddressRepository.class)).thenReturn(addressRepositories);
+	}
+
+	@Test
+	public void considersCrudRepositoriesOnly() {
+
+		Repositories repositories = new Repositories(context);
+
+		assertThat(repositories.hasRepositoryFor(Person.class), is(true));
+		assertThat(repositories.hasRepositoryFor(Address.class), is(false));
+	}
+
+	@Test
+	public void doesNotFindInformationForNonManagedDomainClass() {
+		Repositories repositories = new Repositories(context);
+		assertThat(repositories.hasRepositoryFor(String.class), is(false));
+		assertThat(repositories.getRepositoryFor(String.class), is(nullValue()));
+	}
+
+	@Test(expected = IllegalArgumentException.class)
+	public void rejectsNullBeanFactory() {
+		new Repositories(null);
+	}
+
+	class Person {
+
+	}
+
+	class Address {
+
+	}
+
+	interface PersonRepository extends CrudRepository<Person, Long> {
+
+	}
+
+	interface AddressRepository extends Repository<Address, Long> {
+
+	}
+
+	static class SampleRepoFactoryInformation<T, S extends Serializable> implements RepositoryFactoryInformation<T, S> {
+
+		private final RepositoryMetadata repositoryMetadata;
+
+		public SampleRepoFactoryInformation(Class<?> repositoryInterface) {
+			this.repositoryMetadata = new DefaultRepositoryMetadata(repositoryInterface);
+		}
+
+		@SuppressWarnings({ "unchecked" })
+		public EntityInformation<T, S> getEntityInformation() {
+
+			return new EntityInformation<T, S>() {
+
+				public Class<T> getJavaType() {
+					return (Class<T>) repositoryMetadata.getDomainClass();
+				}
+
+				public boolean isNew(T entity) {
+					return false;
+				}
+
+				public S getId(T entity) {
+					return null;
+				}
+
+				public Class<S> getIdType() {
+					return (Class<S>) repositoryMetadata.getIdClass();
+				}
+			};
+		}
+
+		@SuppressWarnings("unchecked")
+		public Class<? extends Repository<T, S>> getRepositoryInterface() {
+			return (Class<? extends Repository<T, S>>) repositoryMetadata.getRepositoryInterface();
+		}
+	}
+
+	private static <T> Map<String, T> getBeanAsMap(T... beans) {
+
+		Map<String, T> beanMap = new HashMap<String, T>();
+
+		for (T bean : beans) {
+			beanMap.put(bean.toString(), bean);
+		}
+		return beanMap;
+	}
+}