#107 - Added example for Spring Security Integration in MongoDB.

Initial project and with example for dynamic data filtering based on current security context information.

Relies on DATAMONGO-1244 to be resolved.

Original pull request: #108.

mongodb/security/src/main/java/example/springdata/mongodb/people/ApplicationConfiguration.java

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+/*
+ * Copyright 2015 the original author or authors.
+ *
+ * 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 example.springdata.mongodb.people;
+
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+import org.springframework.context.annotation.Bean;
+import org.springframework.data.mongodb.core.mapping.event.LoggingEventListener;
+import org.springframework.data.repository.query.spi.EvaluationContextExtension;
+import org.springframework.security.data.repository.query.SecurityEvaluationContextExtension;
+
+/**
+ * Simple configuration that registers a {@link LoggingEventListener} to demonstrate mapping behaviour when Java 8
+ * Streams are used.
+ * 
+ * @author Thomas Darimont
+ */
+@SpringBootApplication
+class ApplicationConfiguration {
+
+	public @Bean LoggingEventListener mongoEventListener() {
+		return new LoggingEventListener();
+	}
+ 
+	@Bean
+	public EvaluationContextExtension securityExtension() {
+		return new SecurityEvaluationContextExtension();
+	}
+}

mongodb/security/src/main/java/example/springdata/mongodb/people/Person.java

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+/*
+ * Copyright 2015 the original author or authors.
+ *
+ * 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 example.springdata.mongodb.people;
+
+import lombok.Data;
+import lombok.RequiredArgsConstructor;
+
+import org.springframework.data.annotation.Id;
+
+/**
+ * An entity to represent a Person.
+ * 
+ * @author Thomas Darimont
+ */
+@Data
+@RequiredArgsConstructor
+public class Person {
+
+	private @Id String id;
+	private final String firstname;
+	private final String lastname;
+}

mongodb/security/src/main/java/example/springdata/mongodb/people/PersonRepository.java

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+/*
+ * Copyright 2015 the original author or authors.
+ *
+ * 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 example.springdata.mongodb.people;
+
+import java.util.List;
+
+import org.springframework.data.mongodb.repository.Query;
+import org.springframework.data.repository.CrudRepository;
+
+/**
+ * Repository interface to manage {@link Person} instances.
+ * 
+ * @author Thomas Darimont
+ */
+public interface PersonRepository extends CrudRepository<Person, String> {
+
+	List<Person> findAll();
+
+	@Query("{id: ?#{ hasRole('ROLE_ADMIN') ? {$exists:true} : principal.id}}")
+	List<Person> findAllForCurrentUserById();
+}