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Code and tests for the lombok introduction.

This commit is contained in:
Miguel García Lpez 2016-06-12 21:28:49 +02:00
parent f4ee749afc
commit 7ecd7ce02d
11 changed files with 480 additions and 0 deletions
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151
lombok-intro/pom.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0
http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<name>lombok-intro</name>
<groupId>com.baeldung</groupId>
<artifactId>lombok-intro</artifactId>
<version>0.1-SNAPSHOT</version>
<dependencies>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<!-- Check for the most recent available version:
https://projectlombok.org/changelog.html -->
<version>${lombok.version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>org.hibernate.javax.persistence</groupId>
<artifactId>hibernate-jpa-2.1-api</artifactId>
<version>${hibernate-jpa-2.1-api.version}</version>
</dependency>
<!-- logging -->
<dependency>
<groupId>org.slf4j</groupId>
<artifactId>slf4j-api</artifactId>
<version>${org.slf4j.version}</version>
</dependency>
<dependency>
<groupId>ch.qos.logback</groupId>
<artifactId>logback-core</artifactId>
<version>${logback.version}</version>
<scope>runtime</scope>
</dependency>
<!-- test scoped -->
<dependency>
<groupId>junit</groupId>
<artifactId>junit</artifactId>
<version>${junit.version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<build>
<finalName>lombok-intro</finalName>
<resources>
<resource>
<directory>src/main/resources</directory>
<filtering>true</filtering>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>${maven-compiler-plugin.version}</version>
<configuration>
<source>${maven.compiler.source}</source>
<target>${maven.compiler.target}</target>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-surefire-plugin</artifactId>
<version>${maven-surefire-plugin.version}</version>
</plugin>
<plugin>
<groupId>org.projectlombok</groupId>
<artifactId>lombok-maven-plugin</artifactId>
<version>${delombok-maven-plugin.version}</version>
<executions>
<execution>
<id>delombok</id>
<phase>generate-sources</phase>
<goals>
<goal>delombok</goal>
</goals>
<configuration>
<sourceDirectory>${project.basedir}/src/main/java</sourceDirectory>
<addOutputDirectory>false</addOutputDirectory>
<formatPreferences>
<javaLangAsFQN>skip</javaLangAsFQN>
</formatPreferences>
<verbose>false</verbose>
</configuration>
</execution>
<!-- This is for delomboking also your tests sources.
<execution>
<id>test-delombok</id>
<phase>generate-test-sources</phase>
<goals>
<goal>testDelombok</goal>
</goals>
<configuration>
<verbose>false</verbose>
</configuration>
</execution>
-->
</executions>
</plugin>
</plugins>
</build>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>1.8</maven.compiler.source>
<maven.compiler.target>1.8</maven.compiler.target>
<!-- lombok: https://projectlombok.org/changelog.html -->
<lombok.version>1.16.8</lombok.version>
<!-- various -->
<hibernate-jpa-2.1-api.version>1.0.0.Final</hibernate-jpa-2.1-api.version>
<!-- logging -->
<org.slf4j.version>1.7.13</org.slf4j.version>
<logback.version>1.1.3</logback.version>
<!-- testing -->
<junit.version>4.12</junit.version>
<!-- maven plugins -->
<maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
<maven-surefire-plugin.version>2.19.1</maven-surefire-plugin.version>
<!-- delombok maven plugin -->
<delombok-maven-plugin.version>${lombok.version}.0</delombok-maven-plugin.version>
</properties>
</project>

22
lombok-intro/src/main/java/com/baeldung/lombok/intro/ApiClientConfiguration.java Normal file
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package com.baeldung.lombok.intro;
import lombok.Builder;
import lombok.Getter;
import lombok.extern.slf4j.Slf4j;
@Builder
@Slf4j
@Getter
public class ApiClientConfiguration {
private String host;
private int port;
private boolean useHttps;
private long connectTimeout;
private long readTimeout;
private String username;
private String password;
}

17
lombok-intro/src/main/java/com/baeldung/lombok/intro/ContactInformationSupport.java Normal file
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package com.baeldung.lombok.intro;
import lombok.Data;
@Data
public class ContactInformationSupport implements HasContactInformation {
private String firstName;
private String lastName;
private String phoneNr;
@Override
public String getFullName() {
return getFirstName() + " " + getLastName();
}
}

16
lombok-intro/src/main/java/com/baeldung/lombok/intro/HasContactInformation.java Normal file
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package com.baeldung.lombok.intro;
public interface HasContactInformation {
String getFirstName();
void setFirstName(String firstName);
String getFullName();
String getLastName();
void setLastName(String lastName);
String getPhoneNr();
void setPhoneNr(String phoneNr);
}

25
lombok-intro/src/main/java/com/baeldung/lombok/intro/LoginResult.java Normal file
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package com.baeldung.lombok.intro;
import java.net.URL;
import java.time.Duration;
import java.time.Instant;
import lombok.EqualsAndHashCode;
import lombok.Getter;
import lombok.NonNull;
import lombok.RequiredArgsConstructor;
import lombok.experimental.Accessors;
@RequiredArgsConstructor
@Accessors(fluent = true) @Getter
@EqualsAndHashCode(of = {"authToken"})
public class LoginResult {
private final @NonNull Instant loginTs;
private final @NonNull String authToken;
private final @NonNull Duration tokenValidity;
private final @NonNull URL tokenRefreshUrl;
}

43
lombok-intro/src/main/java/com/baeldung/lombok/intro/User.java Normal file
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package com.baeldung.lombok.intro;
import java.io.Serializable;
import java.util.List;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.OneToMany;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
import lombok.ToString;
import lombok.experimental.Delegate;
@Entity
@Getter @Setter @NoArgsConstructor // <--- THIS is it
@ToString(exclude = {"events"})
public class User implements Serializable, HasContactInformation {
private @Id @Setter(AccessLevel.PROTECTED) Long id; // will be set when persisting
private String nickname;
// Whichever other User-specific attributes
@Delegate(types = {HasContactInformation.class})
private final ContactInformationSupport contactInformation = new ContactInformationSupport();
// User itelf will implement all contact information by delegation
@OneToMany(mappedBy = "user")
private List<UserEvent> events;
public User(String nickname, String firstName, String lastName, String phoneNr) {
this.nickname = nickname;
contactInformation.setFirstName(firstName);
contactInformation.setLastName(lastName);
contactInformation.setPhoneNr(phoneNr);
}
}

29
lombok-intro/src/main/java/com/baeldung/lombok/intro/UserEvent.java Normal file
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package com.baeldung.lombok.intro;
import java.io.Serializable;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.ManyToOne;
import lombok.AccessLevel;
import lombok.Getter;
import lombok.NoArgsConstructor;
import lombok.Setter;
@Entity
@NoArgsConstructor @Getter @Setter
public class UserEvent implements Serializable {
// This class is just for sample purposes.
private @Id @Setter(AccessLevel.PROTECTED) Long id;
@ManyToOne
private User user;
public UserEvent(User user) {
this.user = user;
}
}

43
lombok-intro/src/test/java/com/baeldung/lombok/intro/ApiClientConfigurationTest.java Normal file
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package com.baeldung.lombok.intro;
import java.lang.reflect.Field;
import java.lang.reflect.Modifier;
import com.baeldung.lombok.intro.ApiClientConfiguration.ApiClientConfigurationBuilder;
import org.junit.Assert;
import org.junit.Test;
public class ApiClientConfigurationTest {
@Test
public void givenAnnotatedConfiguration_thenCanBeBuiltViaBuilder() {
ApiClientConfiguration config =
new ApiClientConfigurationBuilder()
.host("api.server.com")
.port(443)
.useHttps(true)
.connectTimeout(15_000L)
.readTimeout(5_000L)
.username("myusername")
.password("secret")
.build();
Assert.assertEquals(config.getHost(), "api.server.com");
Assert.assertEquals(config.getPort(), 443);
Assert.assertEquals(config.isUseHttps(), true);
Assert.assertEquals(config.getConnectTimeout(), 15_000L);
Assert.assertEquals(config.getReadTimeout(), 5_000L);
Assert.assertEquals(config.getUsername(), "myusername");
Assert.assertEquals(config.getPassword(), "secret");
}
@Test
public void givenAnnotatedConfiguration_thenHasLoggerInstance() throws NoSuchFieldException {
Field loggerInstance = ApiClientConfiguration.class.getDeclaredField("log");
int modifiers = loggerInstance.getModifiers();
Assert.assertTrue(Modifier.isPrivate(modifiers));
Assert.assertTrue(Modifier.isStatic(modifiers));
Assert.assertTrue(Modifier.isFinal(modifiers));
}
}

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lombok-intro/src/test/java/com/baeldung/lombok/intro/LoginResultTest.java Normal file
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package com.baeldung.lombok.intro;
import java.net.MalformedURLException;
import java.net.URL;
import java.time.Duration;
import java.time.Instant;
import org.junit.Assert;
import org.junit.Test;
public class LoginResultTest {
@Test
public void givenAnnotatedLoginResult_thenHasConstructorForAllFinalFields()
throws MalformedURLException {
/* LoginResult loginResult = */ new LoginResult(
Instant.now(),
"apitoken",
Duration.ofHours(1),
new URL("https://api.product.com/token-refresh"));
}
@Test
public void givenAnnotatedLoginResult_thenHasFluentGetters()
throws MalformedURLException {
Instant loginTs = Instant.now();
LoginResult loginResult = new LoginResult(
loginTs,
"apitoken",
Duration.ofHours(1),
new URL("https://api.product.com/token-refresh"));
Assert.assertEquals(loginResult.loginTs(), loginTs);
Assert.assertEquals(loginResult.authToken(), "apitoken");
Assert.assertEquals(loginResult.tokenValidity(), Duration.ofHours(1));
Assert.assertEquals(loginResult.tokenRefreshUrl(), new URL("https://api.product.com/token-refresh"));
}
@Test
public void givenAnnotatedLoginResult_whenSameApiToken_thenEqualInstances()
throws MalformedURLException {
String theSameApiToken = "testapitoken";
LoginResult loginResult1 = new LoginResult(
Instant.now(),
theSameApiToken,
Duration.ofHours(1),
new URL("https://api.product.com/token-refresh"));
LoginResult loginResult2 = new LoginResult(
Instant.now(),
theSameApiToken,
Duration.ofHours(2),
new URL("https://api.product.com/token-refresh-alt"));
Assert.assertEquals(loginResult1, loginResult2);
}
}

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lombok-intro/src/test/java/com/baeldung/lombok/intro/UserTest.java Normal file
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package com.baeldung.lombok.intro;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.util.Arrays;
import java.util.List;
import org.junit.Assert;
import org.junit.Test;
public class UserTest {
@Test
public void givenAnnotatedUser_thenHasEmptyConstructor() {
/* User user = */ new User();
}
@Test
public void givenAnnotatedUser_thenHasGettersAndSetters() {
User user = new User("testnickname", "Test", "JUnit", "123456");
Assert.assertEquals("testnickname", user.getNickname());
Assert.assertEquals("Test", user.getFirstName());
Assert.assertEquals("JUnit", user.getLastName());
Assert.assertEquals("123456", user.getPhoneNr());
user.setNickname("testnickname2");
user.setFirstName("Test2");
user.setLastName("JUnit2");
user.setPhoneNr("654321");
Assert.assertEquals("testnickname2", user.getNickname());
Assert.assertEquals("Test2", user.getFirstName());
Assert.assertEquals("JUnit2", user.getLastName());
Assert.assertEquals("654321", user.getPhoneNr());
}
@Test
public void givenAnnotatedUser_thenHasProtectedSetId() throws NoSuchMethodException {
Method setIdMethod = User.class.getDeclaredMethod("setId", Long.class);
int modifiers = setIdMethod.getModifiers();
Assert.assertTrue(Modifier.isProtected(modifiers));
}
@Test
public void givenAnnotatedUser_thenImplementsHasContactInformation() {
User user = new User("testnickname3", "Test3", "JUnit3", "987654");
Assert.assertTrue(user instanceof HasContactInformation);
Assert.assertEquals("Test3", user.getFirstName());
Assert.assertEquals("JUnit3", user.getLastName());
Assert.assertEquals("987654", user.getPhoneNr());
Assert.assertEquals("Test3 JUnit3", user.getFullName());
user.setFirstName("Test4");
user.setLastName("JUnit4");
user.setPhoneNr("456789");
Assert.assertEquals("Test4", user.getFirstName());
Assert.assertEquals("JUnit4", user.getLastName());
Assert.assertEquals("456789", user.getPhoneNr());
Assert.assertEquals("Test4 JUnit4", user.getFullName());
}
@Test
public void givenAnnotatedUser_whenHasEvents_thenToStringDumpsNoEvents() {
User user = new User("testnickname", "Test", "JUnit", "123456");
List<UserEvent> events = Arrays.asList(new UserEvent(user), new UserEvent(user));
user.setEvents(events);
Assert.assertFalse(user.toString().contains("events"));
}
}

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pom.xml
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<module>spring-zuul</module>
<module>jsf</module>
<module>xml</module>
<module>lombok-intro</module>
</modules>
</project>