Introduction à STRUTS2 par l'exemple

#
# Structure for the `cotisations` table : 
#

CREATE TABLE `cotisations` (
  `ID` bigint(20) NOT NULL auto_increment,
  `SECU` double NOT NULL,
  `RETRAITE` double NOT NULL,
  `CSGD` double NOT NULL,
  `CSGRDS` double NOT NULL,
  `VERSION` int(11) NOT NULL,
  PRIMARY KEY  (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=4 DEFAULT CHARSET=latin1;

#
# Structure for the `indemnites` table : 
#

CREATE TABLE `indemnites` (
  `ID` bigint(20) NOT NULL auto_increment,
  `ENTRETIEN_JOUR` double NOT NULL,
  `REPAS_JOUR` double NOT NULL,
  `INDICE` int(11) NOT NULL,
  `INDEMNITES_CP` double NOT NULL,
  `BASE_HEURE` double NOT NULL,
  `VERSION` int(11) NOT NULL,
  PRIMARY KEY  (`ID`),
  UNIQUE KEY `INDICE` (`INDICE`)
) ENGINE=InnoDB AUTO_INCREMENT=9 DEFAULT CHARSET=latin1;

#
# Structure for the `employes` table : 
#

CREATE TABLE `employes` (
  `ID` bigint(20) NOT NULL auto_increment,
  `PRENOM` varchar(20) NOT NULL,
  `SS` varchar(15) NOT NULL,
  `ADRESSE` varchar(50) NOT NULL,
  `CP` varchar(5) NOT NULL,
  `VILLE` varchar(30) NOT NULL,
  `NOM` varchar(30) NOT NULL,
  `VERSION` int(11) NOT NULL,
  `INDEMNITE_ID` bigint(20) NOT NULL,
  PRIMARY KEY  (`ID`),
  UNIQUE KEY `SS` (`SS`),
  KEY `FK_EMPLOYES_INDEMNITE_ID` (`INDEMNITE_ID`),
  CONSTRAINT `FK_EMPLOYES_INDEMNITE_ID` FOREIGN KEY (`INDEMNITE_ID`) REFERENCES `indemnites` (`ID`)
) ENGINE=InnoDB AUTO_INCREMENT=7 DEFAULT CHARSET=latin1;

package jpa;

...

@Entity
@Table(name="EMPLOYES")
public class Employe implements Serializable {
  
  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  private Long id;
  @Version
  @Column(name="VERSION",nullable=false)
  private int version;
  @Column(name="SS", nullable=false, unique=true, length=15)
  private String SS;
  @Column(name="NOM", nullable=false, length=30)
  private String nom;
  @Column(name="PRENOM", nullable=false, length=20)
  private String prenom;
  @Column(name="ADRESSE", nullable=false, length=50)
  private String adresse;
  @Column(name="VILLE", nullable=false, length=30)
  private String ville;
  @Column(name="CP", nullable=false, length=5)
  private String codePostal;
  @ManyToOne
  @JoinColumn(name="INDEMNITE_ID",nullable=false)
  private Indemnite indemnite;
  
  
  public Employe() {
  }
  
  public Employe(String SS, String nom, String prenom, String adresse, String ville, String codePostal, Indemnite indemnite){
    setSS(SS);
    setNom(nom);
    setPrenom(prenom);
    setAdresse(adresse);
    setVille(ville);
    setCodePostal(codePostal);
    setIndemnite(indemnite);
  }
  
  @Override
  public String toString() {
    return "jpa.Employe[id=" + getId()
    + ",version="+getVersion()
    +",SS="+getSS()
    + ",nom="+getNom()
    + ",prenom="+getPrenom()
    + ",adresse="+getAdresse()
    +",ville="+getVille()
    +",code postal="+getCodePostal()
    +",indice="+getIndemnite().getIndice()
    +"]";
  }
  
  // getters et setters
   ...  
}

package jpa;

...

@Entity
@Table(name="INDEMNITES")
public class Indemnite implements Serializable {
  
  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  private Long id;
  @Version
  @Column(name="VERSION",nullable=false)
  private int version;
  @Column(name="INDICE", nullable=false,unique=true)
  private int indice;
  @Column(name="BASE_HEURE",nullable=false)
  private double baseHeure;
  @Column(name="ENTRETIEN_JOUR",nullable=false)
  private double entretienJour;
  @Column(name="REPAS_JOUR",nullable=false)
  private double repasJour;
  @Column(name="INDEMNITES_CP",nullable=false)
  private double indemnitesCP;
  
  public Indemnite() {
  }
  
  public Indemnite(int indice, double baseHeure, double entretienJour, double repasJour, double indemnitesCP){
    setIndice(indice);
    setBaseHeure(baseHeure);
    setEntretienJour(entretienJour);
    setRepasJour(repasJour);
    setIndemnitesCP(indemnitesCP);
  }
  
  @Override
  public String toString() {
    return "jpa.Indemnite[id=" + getId()
    + ",version="+getVersion()
    +",indice="+getIndice()
    +",base heure="+getBaseHeure()
    +",entretien jour"+getEntretienJour()
    +",repas jour="+getRepasJour()
    +",indemnités CP="+getIndemnitesCP()
    + "]";
  }
  
  // getters et setters
....  
}

package jpa;

...

@Entity
@Table(name="COTISATIONS")
public class Cotisation implements Serializable {
  
  @Id
  @GeneratedValue(strategy = GenerationType.AUTO)
  private Long id;
  @Version
  @Column(name="VERSION",nullable=false)
  private int version;
  @Column(name="CSGRDS",nullable=false)
  private double csgrds;
  @Column(name="CSGD",nullable=false)
  private double csgd;
  @Column(name="SECU",nullable=false)
  private double secu;
  @Column(name="RETRAITE",nullable=false)
  private double retraite;
  
  public Cotisation() {
  }
  
  public Cotisation(double csgrds, double csgd, double secu, double retraite){
    setCsgrds(csgrds);
    setCsgd(csgd);
    setSecu(secu);
    setRetraite(retraite);
  }
  
  @Override
  public String toString() {
    return "jpa.Cotisation[id=" + getId() + ",version=" + getVersion()+",csgrds="+getCsgrds()+"" +
      ",csgd="+getCsgd()+",secu="+getSecu()+",retraite="+getRetraite()+"]";
  }
  
  // getters et setters
  ... 
}

package metier;

import java.util.List;
import jpa.Employe;

public interface IMetier {
  // obtenir la feuille de salaire
  FeuilleSalaire calculerFeuilleSalaire(String SS, double nbHeuresTravaillées, int nbJoursTravaillés );
  // liste des employés
  List<Employe> findAllEmployes();
}

package metier;

import java.io.Serializable;
import jpa.Cotisation;
import jpa.Employe;

public class FeuilleSalaire implements Serializable {
  // champs privés

  private Employe employe;
  private Cotisation cotisation;
  private ElementsSalaire elementsSalaire;

  // constructeurs
  public FeuilleSalaire() {
  }

  public FeuilleSalaire(Employe employe, Cotisation cotisation,
          ElementsSalaire elementsSalaire) {
    setEmploye(employe);
    setCotisation(cotisation);
    setElementsSalaire(elementsSalaire);
  }

  // toString
  @Override
  public String toString() {
    return "[" + employe + "," + cotisation + ","
            + elementsSalaire + "]";
  }

  // getters et setters
  ...
}

package metier;

import java.io.Serializable;

public class ElementsSalaire implements Serializable{
  
  // champs privés
  private double salaireBase;
  private double cotisationsSociales;
  private double indemnitesEntretien;
  private double indemnitesRepas;
  private double salaireNet;
  
  // constructeurs
  public ElementsSalaire() {
    
  }
  
  public ElementsSalaire(double salaireBase, double cotisationsSociales,
    double indemnitesEntretien, double indemnitesRepas,
    double salaireNet) {
    setSalaireBase(salaireBase);
    setCotisationsSociales(cotisationsSociales);
    setIndemnitesEntretien(indemnitesEntretien);
    setIndemnitesRepas(indemnitesRepas);
    setSalaireNet(salaireNet);
  }
  
  // toString
  @Override
  public String toString() {
    return "[salaire base=" + salaireBase + ",cotisations sociales=" + cotisationsSociales + ",indemnités d'entretien="
      + indemnitesEntretien + ",indemnités de repas=" + indemnitesRepas + ",salaire net="
      + salaireNet + "]";
  }
  
  // getters et setters
  ...
}

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
       xmlns:tx="http://www.springframework.org/schema/tx"
       xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd">
  
  <!-- couches applicatives -->
 
 <!-- métier -->
  <bean id="metier" class="metier.Metier">
    <property name="employeDao" ref="employeDao"/>
    <property name="cotisationDao" ref="cotisationDao"/>  
  </bean>
  <!--  dao -->
  <bean id="employeDao" class="dao.EmployeDao" />
  <bean id="indemniteDao" class="dao.IndemniteDao" />
  <bean id="cotisationDao" class="dao.CotisationDao" />
  
  <!-- configuration JPA -->
  <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
    <property name="dataSource" ref="dataSource" />
    <property name="jpaVendorAdapter">
      <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter">
        <property name="databasePlatform" value="org.hibernate.dialect.MySQL5InnoDBDialect" />
      </bean>
    </property>
    <property name="loadTimeWeaver">
      <bean class="org.springframework.instrument.classloading.InstrumentationLoadTimeWeaver" />
    </property>
  </bean>
  
  <!-- la source de données DBCP -->
  <bean id="dataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
    <property name="driverClassName" value="com.mysql.jdbc.Driver" />
    <property name="url" value="jdbc:mysql://localhost:3306/dbpam_hibernate" />
    <property name="username" value="root" />
    <property name="password" value="" />
  </bean>
  
  <!-- le gestionnaire de transactions -->
  <tx:annotation-driven transaction-manager="txManager" />
  <bean id="txManager" class="org.springframework.orm.jpa.JpaTransactionManager">
    <property name="entityManagerFactory" ref="entityManagerFactory" />
  </bean>
  
  <!-- traduction des exceptions -->
  <bean class="org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor" />
  
  <!-- persistence -->
  <bean class="org.springframework.orm.jpa.support.PersistenceAnnotationBeanPostProcessor" />
  
</beans>