Pass RowCallbackHandler Into Query Method In JdbcTemplate : JdbcTemplate « Spring « Java Tutorial

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Java Tutorial » Spring » JdbcTemplate 
28. 21. 11. Pass RowCallbackHandler Into Query Method In JdbcTemplate

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.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="oracle.jdbc.driver.OracleDriver"/>
        <property name="url" value="jdbc:oracle:thin:@oracle.devcake.co.uk:1521:INTL"/>
        <property name="username" value="sa"/>
        <property name="password" value=""/>
    </bean>
-->
    <bean id="dataSource" class="org.apache.commons.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="mysqlDataSource" class="org.apache.commons.dbcp.BasicDataSource" destroy-method="close">
        <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
        <property name="url" value="jdbc:mysql://dbhost-prospring-psql/prospring"/>
        <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.CommonsDbcpNativeJdbcExtractor"/>

    <bean id="jdbcTemplate" class="org.springframework.jdbc.core.JdbcTemplate">
        <property name="dataSource" ref="dataSource"/>
    </bean>


</beans>

File: Main.java

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

import javax.sql.DataSource;

import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.jdbc.core.PreparedStatementCreator;
import org.springframework.jdbc.core.RowCallbackHandler;

class Main {
  public static void main(String args[]) throws Exception {
    ApplicationContext ac = new ClassPathXmlApplicationContext("context.xml", Main.class);
    DataSource dataSource = (DataSourceac.getBean("dataSource");
    // DataSource mysqlDataSource = (DataSource) ac.getBean("mysqlDataSource");

    JdbcTemplate jdbcTemplate = new JdbcTemplate(dataSource);



    jdbcTemplate.query(new PreparedStatementCreator() {
        public PreparedStatement createPreparedStatement(Connection connectionthrows SQLException {
            return connection.prepareStatement("select last_name from t_customer where last_login is null");
        }
    }new StringExtractingRowCallbackHandler());

  }
}

class StringExtractingRowCallbackHandler implements RowCallbackHandler {
  public void processRow(ResultSet resultSetthrows SQLException {
      while (resultSet.next()) {
          System.out.println(resultSet.getString(1));
      }
  }
}
  Download:  Spring-PassRowCallbackHandlerIntoQueryMethodInJdbcTemplate.zip( 3,656 k)
28. 21. JdbcTemplate
28. 21. 1. Use QueryForInt To Execute Aggregate Function
28. 21. 2. Use JdbcTemplate To Execute Aggregate Function
28. 21. 3. Use Jdbc Template To Create Table
28. 21. 4. Use batchUpdate To Execute Two Update Statements
28. 21. 5. Update, Delete Statements With Jdbc Template
28. 21. 6. Execute DeleteStatement
28. 21. 7. Query For Object, Return String
28. 21. 8. Query For Map
28. 21. 9. Query For List, Returns List Of LinkedHashMap
28. 21. 10. Query For List
28. 21. 11. Pass RowCallbackHandler Into Query Method In JdbcTemplate
28. 21. 12. Pass ResultSetExtractor To Query Method In JdbcTemplate
28. 21. 13. Pass Parameter As Object Array
28. 21. 14. Pass Object Array To Query Method In JdbcTemplate
28. 21. 15. Number Of Row Affected
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