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CONEXIONES A BD CON SPRING

1.- DataSource

<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
<property name="username" value="usuario"/>
<property name="password" value="clave"/>
<property name="driverClassName" value="oracle.jdbc.OracleDriver"/>
<property name="url" value="jdbc:oracle:thin:@IP_ADDRESS:PORT:SID"/>
</bean>


2.- DataSource mediante properties

<bean class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
      <property name="location">
            <value>file:///C:/tools/configuracion.properties</value>
      </property>
  </bean>
   
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
      <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver" />
      <property name="url" value="${db.url}" />
      <property name="username" value="${db.user}" />
      <property name="password" value="${db.pass}" />
</bean>

Contenido del properties(configuracion.properties)

db.url=jdbc:oracle:thin:@IP_ADDRESS:PORT:SID
db.user=usuario
db.pass=clave

3.-  DataSource Bean(JNDI) 

<bean id="dataSource" class="org.springframework.jndi.JndiObjectFactoryBean">
      <property name="jndiName" value="java:jboss/datasources/PruebaDS"></property>
      <property name="lookupOnStartup" value="true"></property>
      <property name="cache" value="true"></property>
      <property name="proxyInterface" value="javax.sql.DataSource"></property>
</bean>