Java/Spring/SqlQuery
extends SqlQuery
<source lang="java">
File: context.xml <?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:util="http://www.springframework.org/schema/util" xmlns:tx="http://www.springframework.org/schema/tx" xmlns:aop="http://www.springframework.org/schema/aop" xmlns:lang="http://www.springframework.org/schema/lang" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-2.0.xsd http://www.springframework.org/schema/util http://www.springframework.org/schema/util/spring-util-2.0.xsd http://www.springframework.org/schema/tx http://www.springframework.org/schema/tx/spring-tx-2.0.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-2.0.xsd http://www.springframework.org/schema/lang http://www.springframework.org/schema/lang/spring-lang-2.0.xsd">
<bean id="dataSource" class="org.apache.rumons.dbcp.BasicDataSource" destroy-method="close"> <property name="driverClassName" value="org.hsqldb.jdbcDriver"/> <property name="url" value="jdbc:hsqldb:mem:."/> <property name="username" value="sa"/> <property name="password" value=""/> </bean>
<bean id="lobHandler" class="org.springframework.jdbc.support.lob.OracleLobHandler"> <property name="nativeJdbcExtractor" ref="nativeJdbcExtractor"/> </bean> <bean id="nativeJdbcExtractor" class="org.springframework.jdbc.support.nativejdbc.rumonsDbcpNativeJdbcExtractor"/> <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate"> <property name="dataSource" ref="dataSource"/> </bean>
</beans>
File: Main.java import java.util.Date; import java.util.List; import java.util.Map; import javax.sql.DataSource; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import org.springframework.jdbc.core.RowMapper; import org.springframework.jdbc.core.simple.ParameterizedBeanPropertyRowMapper; import org.springframework.jdbc.object.SqlQuery; class Main {
public static void main(String args[]) throws Exception { ApplicationContext ac = new ClassPathXmlApplicationContext("context.xml", Main.class); DataSource dataSource = (DataSource) ac.getBean("dataSource"); //DataSource mysqlDataSource = (DataSource) ac.getBean("mysqlDataSource");
SelectCustomer selectCustomer = new SelectCustomer(dataSource); List result = selectCustomer.execute(); }
} class SelectCustomer extends SqlQuery {
private static final String SQL = "select * from customer"; SelectCustomer(DataSource ds) { super(ds, SQL); } protected RowMapper newRowMapper(Object[] parameters, Map context) { return ParameterizedBeanPropertyRowMapper.newInstance(Customer.class); }
} class Customer {
private Long id; private String firstName; private String lastName; private Date lastLogin; private String comments; public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getFirstName() { return firstName; } public void setFirstName(String firstName) { this.firstName = firstName; } public String getLastName() { return lastName; } public void setLastName(String lastName) { this.lastName = lastName; } public Date getLastLogin() { return lastLogin; } public void setLastLogin(Date lastLogin) { this.lastLogin = lastLogin; } public String getComments() { return comments; } public void setComments(String comments) { this.ruments = comments; } @Override public String toString() { final StringBuilder sb = new StringBuilder(); sb.append("Customer"); sb.append("{id=").append(id); sb.append(", firstName="").append(firstName).append("\""); sb.append(", lastName="").append(lastName).append("\""); sb.append(", lastLogin=").append(lastLogin); sb.append(", comments="").append(comments).append("\""); sb.append("}"); return sb.toString(); }
}
</source>