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guide to jmapper (#4745) 

* guide to jmapper

* Update JMapperIntegrationTest.java

* Update JMapperRelationalIntegrationTest.java
This commit is contained in:
Doha2012 2018-07-20 16:59:32 +00:00 committed by Grzegorz Piwowarek
parent 94eff53eee
commit 5d38063893
12 changed files with 542 additions and 0 deletions
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7
libraries/pom.xml
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@ -772,6 +772,12 @@
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.googlecode.jmapper-framework</groupId>
<artifactId>jmapper-core</artifactId>
<version>${jmapper.version}</version>
</dependency>
</dependencies>
<repositories>
@ -1015,6 +1021,7 @@
<jersey.version>1.19.4</jersey.version>
<javalin.version>1.6.0</javalin.version>
<fugue.version>4.5.1</fugue.version>
<jmapper.version>1.6.0.1</jmapper.version>
<maven-bundle-plugin.version>3.3.0</maven-bundle-plugin.version>
<maven-jar-plugin.version>3.0.2</maven-jar-plugin.version>
</properties>

56
libraries/src/main/java/com/baeldung/jmapper/User.java Normal file
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@ -0,0 +1,56 @@
package com.baeldung.jmapper;
import java.time.LocalDate;
public class User {
private long id;
private String email;
private LocalDate birthDate;
// constructors
public User() {
super();
}
public User(long id, String email, LocalDate birthDate) {
super();
this.id = id;
this.email = email;
this.birthDate = birthDate;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public LocalDate getBirthDate() {
return birthDate;
}
public void setBirthDate(LocalDate birthDate) {
this.birthDate = birthDate;
}
@Override
public String toString() {
return "User [id=" + id + ", email=" + email + ", birthDate=" + birthDate + "]";
}
}

69
libraries/src/main/java/com/baeldung/jmapper/UserDto.java Normal file
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@ -0,0 +1,69 @@
package com.baeldung.jmapper;
import java.time.LocalDate;
import java.time.Period;
import com.googlecode.jmapper.annotations.JMap;
import com.googlecode.jmapper.annotations.JMapConversion;
public class UserDto {
@JMap
private long id;
@JMap("email")
private String username;
@JMap("birthDate")
private int age;
@JMapConversion(from={"birthDate"}, to={"age"})
public int conversion(LocalDate birthDate){
return Period.between(birthDate, LocalDate.now()).getYears();
}
// constructors
public UserDto() {
super();
}
public UserDto(long id, String username, int age) {
super();
this.id = id;
this.username = username;
this.age = age;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
@Override
public String toString() {
return "UserDto [id=" + id + ", username=" + username + ", age=" + age + "]";
}
}

47
libraries/src/main/java/com/baeldung/jmapper/UserDto1.java Normal file
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@ -0,0 +1,47 @@
package com.baeldung.jmapper;
import com.googlecode.jmapper.annotations.JGlobalMap;
@JGlobalMap
public class UserDto1 {
private long id;
private String email;
// constructors
public UserDto1() {
super();
}
public UserDto1(long id, String email) {
super();
this.id = id;
this.email = email;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Override
public String toString() {
return "UserDto [id=" + id + ", email=" + email + "]";
}
}

49
libraries/src/main/java/com/baeldung/jmapper/relational/User.java Normal file
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@ -0,0 +1,49 @@
package com.baeldung.jmapper.relational;
import com.googlecode.jmapper.annotations.JMap;
public class User {
@JMap(classes = {UserDto1.class, UserDto2.class})
private long id;
@JMap(attributes = {"username", "email"}, classes = {UserDto1.class, UserDto2.class})
private String email;
// constructors
public User() {
super();
}
public User(long id, String email) {
super();
this.id = id;
this.email = email;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Override
public String toString() {
return "User [id=" + id + ", email=" + email + "]";
}
}

44
libraries/src/main/java/com/baeldung/jmapper/relational/UserDto1.java Normal file
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@ -0,0 +1,44 @@
package com.baeldung.jmapper.relational;
public class UserDto1 {
private long id;
private String username;
// constructors
public UserDto1() {
super();
}
public UserDto1(long id, String username) {
super();
this.id = id;
this.username = username;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
@Override
public String toString() {
return "UserDto [id=" + id + ", username=" + username + "]";
}
}

44
libraries/src/main/java/com/baeldung/jmapper/relational/UserDto2.java Normal file
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@ -0,0 +1,44 @@
package com.baeldung.jmapper.relational;
public class UserDto2 {
private long id;
private String email;
// constructors
public UserDto2() {
super();
}
public UserDto2(long id, String email) {
super();
this.id = id;
this.email = email;
}
// getters and setters
public long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
@Override
public String toString() {
return "UserDto2 [id=" + id + ", email=" + email + "]";
}
}

10
libraries/src/main/resources/user_jmapper.xml Normal file
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@ -0,0 +1,10 @@
<jmapper>
<class name="com.baeldung.jmapper.UserDto">
<attribute name="id">
<value name="id"/>
</attribute>
<attribute name="username">
<value name="email"/>
</attribute>
</class>
</jmapper>

5
libraries/src/main/resources/user_jmapper1.xml Normal file
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@ -0,0 +1,5 @@
<jmapper>
<class name="com.baeldung.jmapper.UserDto1">
<global/>
</class>
</jmapper>

21
libraries/src/main/resources/user_jmapper2.xml Normal file
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@ -0,0 +1,21 @@
<jmapper>
<class name="com.baeldung.jmapper.relational.User">
<attribute name="id">
<value name="id"/>
<classes>
<class name="com.baeldung.jmapper.relational.UserDto1"/>
<class name="com.baeldung.jmapper.relational.UserDto2"/>
</classes>
</attribute>
<attribute name="email">
<attributes>
<attribute name="username"/>
<attribute name="email"/>
</attributes>
<classes>
<class name="com.baeldung.jmapper.relational.UserDto1"/>
<class name="com.baeldung.jmapper.relational.UserDto2"/>
</classes>
</attribute>
</class>
</jmapper>

114
libraries/src/test/java/com/baeldung/jmapper/JMapperIntegrationTest.java Normal file
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@ -0,0 +1,114 @@
package com.baeldung.jmapper;
import static com.googlecode.jmapper.api.JMapperAPI.attribute;
import static com.googlecode.jmapper.api.JMapperAPI.global;
import static com.googlecode.jmapper.api.JMapperAPI.mappedClass;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.time.LocalDate;
import org.junit.Test;
import com.googlecode.jmapper.JMapper;
import com.googlecode.jmapper.api.JMapperAPI;
public class JMapperIntegrationTest {
@Test
public void givenUser_whenUseAnnotation_thenConverted(){
JMapper<UserDto, User> userMapper = new JMapper<>(UserDto.class, User.class);
User user = new User(1L,"john@test.com", LocalDate.of(1980,8,20));
UserDto result = userMapper.getDestination(user);
System.out.println(result);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getUsername());
}
@Test
public void givenUser_whenUseGlobalMapAnnotation_thenConverted(){
JMapper<UserDto1, User> userMapper= new JMapper<>(UserDto1.class, User.class);
User user = new User(1L,"john@test.com", LocalDate.of(1980,8,20));
UserDto1 result = userMapper.getDestination(user);
System.out.println(result);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getEmail());
}
@Test
public void givenUser_whenUseAnnotationExplicitConversion_thenConverted(){
JMapper<UserDto, User> userMapper = new JMapper<>(UserDto.class, User.class);
User user = new User(1L,"john@test.com", LocalDate.of(1980,8,20));
UserDto result = userMapper.getDestination(user);
System.out.println(result);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getUsername());
assertTrue(result.getAge() > 0);
}
//======================= XML
@Test
public void givenUser_whenUseXml_thenConverted(){
JMapper<UserDto, User> userMapper = new JMapper<>(UserDto.class, User.class,"user_jmapper.xml");
User user = new User(1L,"john@test.com", LocalDate.of(1980,8,20));
UserDto result = userMapper.getDestination(user);
System.out.println(result);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getUsername());
}
@Test
public void givenUser_whenUseXmlGlobal_thenConverted(){
JMapper<UserDto1, User> userMapper = new JMapper<>(UserDto1.class, User.class,"user_jmapper1.xml");
User user = new User(1L,"john@test.com", LocalDate.of(1980,8,20));
UserDto1 result = userMapper.getDestination(user);
System.out.println(result);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getEmail());
}
// ===== API
@Test
public void givenUser_whenUseApi_thenConverted(){
JMapperAPI jmapperApi = new JMapperAPI() .add(mappedClass(UserDto.class)
.add(attribute("id").value("id"))
.add(attribute("username").value("email"))
) ;
JMapper<UserDto, User> userMapper = new JMapper<>(UserDto.class, User.class, jmapperApi);
User user = new User(1L,"john@test.com", LocalDate.of(1980,8,20));
UserDto result = userMapper.getDestination(user);
System.out.println(result);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getUsername());
}
@Test
public void givenUser_whenUseApiGlobal_thenConverted(){
JMapperAPI jmapperApi = new JMapperAPI() .add(mappedClass(UserDto.class)
.add(global())
) ;
JMapper<UserDto1, User> userMapper1 = new JMapper<>(UserDto1.class, User.class,jmapperApi);
User user = new User(1L,"john@test.com", LocalDate.of(1980,8,20));
UserDto1 result = userMapper1.getDestination(user);
System.out.println(result);
assertEquals(user.getId(), result.getId());
assertEquals(user.getEmail(), result.getEmail());
}
}

76
libraries/src/test/java/com/baeldung/jmapper/JMapperRelationalIntegrationTest.java Normal file
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@ -0,0 +1,76 @@
package com.baeldung.jmapper;
import static com.googlecode.jmapper.api.JMapperAPI.attribute;
import static com.googlecode.jmapper.api.JMapperAPI.mappedClass;
import static org.junit.Assert.assertEquals;
import org.junit.Test;
import com.baeldung.jmapper.relational.User;
import com.baeldung.jmapper.relational.UserDto1;
import com.baeldung.jmapper.relational.UserDto2;
import com.googlecode.jmapper.RelationalJMapper;
import com.googlecode.jmapper.api.JMapperAPI;
public class JMapperRelationalIntegrationTest {
@Test
public void givenUser_whenUseAnnotation_thenConverted(){
RelationalJMapper<User> relationalMapper = new RelationalJMapper<>(User.class);
User user = new User(1L,"john@test.com");
UserDto1 result1 = relationalMapper.oneToMany(UserDto1.class, user);
UserDto2 result2= relationalMapper.oneToMany(UserDto2.class, user);
System.out.println(result1);
System.out.println(result2);
assertEquals(user.getId(), result1.getId());
assertEquals(user.getEmail(), result1.getUsername());
assertEquals(user.getId(), result2.getId());
assertEquals(user.getEmail(), result2.getEmail());
}
//======================= XML
@Test
public void givenUser_whenUseXml_thenConverted(){
RelationalJMapper<User> relationalMapper = new RelationalJMapper<>(User.class,"user_jmapper2.xml");
User user = new User(1L,"john@test.com");
UserDto1 result1 = relationalMapper.oneToMany(UserDto1.class, user);
UserDto2 result2 = relationalMapper.oneToMany(UserDto2.class, user);
System.out.println(result1);
System.out.println(result2);
assertEquals(user.getId(), result1.getId());
assertEquals(user.getEmail(), result1.getUsername());
assertEquals(user.getId(), result2.getId());
assertEquals(user.getEmail(), result2.getEmail());
}
// ===== API
@Test
public void givenUser_whenUseApi_thenConverted(){
JMapperAPI jmapperApi = new JMapperAPI()
.add(mappedClass(User.class)
.add(attribute("id").value("id").targetClasses(UserDto1.class,UserDto2.class))
.add(attribute("email").targetAttributes("username","email").targetClasses(UserDto1.class,UserDto2.class)) )
;
RelationalJMapper<User> relationalMapper = new RelationalJMapper<>(User.class,jmapperApi);
User user = new User(1L,"john@test.com");
UserDto1 result1 = relationalMapper.oneToMany(UserDto1.class, user);
UserDto2 result2 = relationalMapper.oneToMany(UserDto2.class, user);
System.out.println(result1);
System.out.println(result2);
assertEquals(user.getId(), result1.getId());
assertEquals(user.getEmail(), result1.getUsername());
assertEquals(user.getId(), result2.getId());
assertEquals(user.getEmail(), result2.getEmail());
}
}