Add LDAP sample

Add an LDAP sample application.

See gh-7733

spring-boot-samples/spring-boot-sample-data-ldap/src/main/java/sample/data/ldap/Person.java

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+/*
+ * Copyright 2012-2017 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 sample.data.ldap;
+
+import javax.naming.Name;
+
+import org.springframework.ldap.odm.annotations.Attribute;
+import org.springframework.ldap.odm.annotations.Entry;
+import org.springframework.ldap.odm.annotations.Id;
+
+@Entry(objectClasses = { "person", "top" })
+public class Person {
+
+	@Id
+	private Name dn;
+
+	@Attribute(name = "telephoneNumber")
+	private String phone;
+
+	@Override
+	public String toString() {
+		return String.format("Customer[dn=%s, phone='%s']", this.dn, this.phone);
+	}
+
+}

spring-boot-samples/spring-boot-sample-data-ldap/src/main/java/sample/data/ldap/PersonRepository.java

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+/*
+ * Copyright 2012-2017 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 sample.data.ldap;
+
+import org.springframework.data.ldap.repository.LdapRepository;
+
+public interface PersonRepository extends LdapRepository<Person> {
+
+	Person findByPhone(String phone);
+
+}

spring-boot-samples/spring-boot-sample-data-ldap/src/main/java/sample/data/ldap/SampleLdapApplication.java

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+/*
+ * Copyright 2012-2017 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 sample.data.ldap;
+
+import org.springframework.boot.CommandLineRunner;
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+@SpringBootApplication
+public class SampleLdapApplication implements CommandLineRunner {
+
+	private final PersonRepository repository;
+
+	public SampleLdapApplication(PersonRepository repository) {
+		this.repository = repository;
+	}
+
+	@Override
+	public void run(String... args) throws Exception {
+
+		// fetch all people
+		System.out.println("People found with findAll():");
+		System.out.println("-------------------------------");
+		for (Person person : this.repository.findAll()) {
+			System.out.println(person);
+		}
+		System.out.println();
+
+		// fetch an individual person
+		System.out.println("Person found with findByPhone('+46 555-123456'):");
+		System.out.println("--------------------------------");
+		System.out.println(this.repository.findByPhone("+46 555-123456"));
+		//
+		// System.out.println("Customers found with findByLastName('Smith'):");
+		// System.out.println("--------------------------------");
+		// for (Customer customer : this.repository.findByLastName("Smith")) {
+		// System.out.println(customer);
+		// }
+	}
+
+	public static void main(String[] args) throws Exception {
+		SpringApplication.run(SampleLdapApplication.class, args).close();
+	}
+
+}