Tutorial Preparable Interface Apache Struts2

Kita lanjutkan belajar struts2 dengan judul Tutorial Preparable Interface Apache Struts2 . Kita akan sedikit mengulas bagaimana menggunakan interface di struts2.

Sekarang kita mulai Tutorial Preparable Interface Apache Struts2 :

Buka folder workspace anda, jangan lupa pelajari dulu Tutorial Form Tags Apache Struts2. Karena kita akan melanjutkan source codenya.
Buat folder “preparable-interface-struts2” di workspace anda
Copy file “pom.xml” dan folder “src” di folder “form-tags-struts2” tutorial sebelumnya ke folder “preparable-interface-struts2”

Buka file “pom.xml”, rubah artifact-id, name, dan description

<artifactId>preparable-interface-struts2</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>Belajar Preparable Interface Struts2</name>
<description>Belajar Preparable Interface Struts2</description>

<artifactId>preparable-interface-struts2</artifactId>

<version>0.0.1-SNAPSHOT</version>

<name>Belajar Preparable Interface Struts2</name>

<description>Belajar Preparable Interface Struts2</description>

Buka IDE eclipse
Pilih import >> existing maven project >> browse ke folder “preparable-interface-struts2” >> finish
project baru “preparable-interface-struts2” sudah berhasil di load

Mari kita mulai melakukan perubahan selanjutnya

Buka objek/class model “Person” di package “com.wijaksana.belajar.struts2.model”, lalu tambahkan attribut/properti:

Java

private String email; private String phoneNumber;

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private String email;
private String phoneNumber;
Aktfikan getter setter untuk atribut/properti diatas

Tambahkan/overide method toString, seperti dibawah ini:

public String toString()
{
	return "First Name: " + getFirstName() + " | " +
	" Last Name:  " + getLastName() + " | " +
	" Favorite Sport: " + getSport() + " | " +
	" Gender: " + getGender() + " | " +  
	" Residency: " + getResidency() + " | " +
	" Over 21: " + isOver21()  + " | " +
	" Car models: " + Arrays.asList( getCarModels() ) + " | " +
	" Email: " + getEmail() + " | " +
	" Phone: " + getPhoneNumber();		
}

public String toString()

{

return "First Name: " + getFirstName() + " | " +

" Last Name: " + getLastName() + " | " +

" Favorite Sport: " + getSport() + " | " +

" Gender: " + getGender() + " | " +

" Residency: " + getResidency() + " | " +

" Over 21: " + isOver21() + " | " +

" Car models: " + Arrays.asList( getCarModels() ) + " | " +

" Email: " + getEmail() + " | " +

" Phone: " + getPhoneNumber();

}

Tambahkan interface sebagai kerangka service untuk akses data ke database dengan nama “CarModelsService” di package “com.wijaksana.belajar.struts2.service”, seperti script dibawah ini:

Java

public interface CarModelsService { String [] getCarModels() ; }

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public interface CarModelsService {
String [] getCarModels() ;
}

Tambahkan class implementasi dari interface service dengan nama “CarModelsServiceImpl” di package “com.wijaksana.belajar.struts2.service” jangan lupa ya implements ke “CarModelsService”, sementara kita akan menyimpan datanya dalam memori. Berikut scriptnya:

public class CarModelsServiceImpl implements CarModelsService {	
	@Override
	public String[] getCarModels() {		
		String [] carModelsAvailable = {"Ford","Chrysler","Toyota","Nissan"};		
		return carModelsAvailable ;		
	}
}

public class CarModelsServiceImpl implements CarModelsService {

@Override

public String[] getCarModels() {

String [] carModelsAvailable = {"Ford","Chrysler","Toyota","Nissan"};

return carModelsAvailable ;

}

Buka class implementasi “EditServiceImpl” dan modifikasi method-method sesuai dibawah ini:

static {
	person = new Person();
	person.setFirstName("Bruce");
	person.setLastName("Phillips");
	person.setSport("Basketball");
	person.setGender("Male");
	person.setResidency("AD");
	person.setOver21(true);
	person.setCarModels(carModels);
	person.setEmail("keretakudaq@gmail.com");
	person.setPhoneNumber("08562192619");
}

static {

person = new Person();

person.setFirstName("Bruce");

person.setLastName("Phillips");

person.setSport("Basketball");

person.setGender("Male");

person.setResidency("AD");

person.setOver21(true);

person.setCarModels(carModels);

person.setEmail("keretakudaq@gmail.com");

person.setPhoneNumber("08562192619");

}

public void savePerson(Person personBean) {
	EditServiceImpl.person.setFirstName(personBean.getFirstName());
	EditServiceImpl.person.setLastName(personBean.getLastName());
	EditServiceImpl.person.setSport(personBean.getSport());
	EditServiceImpl.person.setGender(personBean.getGender());
	EditServiceImpl.person.setResidency(personBean.getResidency());
	EditServiceImpl.person.setOver21(personBean.isOver21());
	EditServiceImpl.person.setCarModels(personBean.getCarModels());
	EditServiceImpl.person.setEmail( personBean.getEmail() );
	EditServiceImpl.person.setPhoneNumber( personBean.getPhoneNumber() );
}

public void savePerson(Person personBean) {

EditServiceImpl.person.setFirstName(personBean.getFirstName());

EditServiceImpl.person.setLastName(personBean.getLastName());

EditServiceImpl.person.setSport(personBean.getSport());

EditServiceImpl.person.setGender(personBean.getGender());

EditServiceImpl.person.setResidency(personBean.getResidency());

EditServiceImpl.person.setOver21(personBean.isOver21());

EditServiceImpl.person.setCarModels(personBean.getCarModels());

EditServiceImpl.person.setEmail( personBean.getEmail() );

EditServiceImpl.person.setPhoneNumber( personBean.getPhoneNumber() );

}

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