Java/Spring/SimpleJdbcTemplate

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SimpleJdbcTemplate With ParameterizedBeanPropertyRowMapper

   <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 javax.sql.DataSource; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; import org.springframework.jdbc.core.simple.ParameterizedBeanPropertyRowMapper; import org.springframework.jdbc.core.simple.SimpleJdbcTemplate; 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");
   SimpleJdbcTemplate jdbcTemplate = new SimpleJdbcTemplate(dataSource);
   List<Customer> customers = jdbcTemplate.query("select * from t_customer",
       ParameterizedBeanPropertyRowMapper.newInstance(Customer.class));
   System.out.println(customers);
 }

} 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>
   
  
 
  



Use JdbcTemplate To Pass In Different Type Of Parameters

   <source lang="java">
      

File: context.xml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"

   "http://www.springframework.org/dtd/spring-beans.dtd">

<beans> <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="employeeDao" class="EmployeeDaoImpl">

 <property name="dataSource" ref="dataSource"/>

</bean> </beans>

File: EmployeeDaoImpl.java import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Types; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.sql.DataSource; import org.springframework.dao.DataAccessException; import org.springframework.jdbc.core.BatchPreparedStatementSetter; import org.springframework.jdbc.core.RowMapper; import org.springframework.jdbc.core.SqlOutParameter; import org.springframework.jdbc.core.SqlParameter; import org.springframework.jdbc.core.simple.ParameterizedRowMapper; import org.springframework.jdbc.core.simple.SimpleJdbcTemplate; import org.springframework.jdbc.core.support.AbstractLobCreatingPreparedStatementCallback; import org.springframework.jdbc.core.support.AbstractLobStreamingResultSetExtractor; import org.springframework.jdbc.core.support.JdbcDaoSupport; import org.springframework.jdbc.object.MappingSqlQuery; import org.springframework.jdbc.object.SqlUpdate; import org.springframework.jdbc.object.StoredProcedure; import org.springframework.jdbc.support.lob.DefaultLobHandler; import org.springframework.jdbc.support.lob.LobCreator; import org.springframework.jdbc.support.lob.LobHandler; import org.springframework.jdbc.support.nativejdbc.SimpleNativeJdbcExtractor; import org.springframework.util.FileCopyUtils; //import org.apache.rumons.dbcp.BasicDataSource;

public class EmployeeDaoImpl extends JdbcDaoSupport{

 protected void initDao() throws Exception {
   super.initDao();
   getJdbcTemplate().setNativeJdbcExtractor(new SimpleNativeJdbcExtractor());
 }
 public int getTotalNumberOfEmployees(Integer startAge, Integer endAge, String firstName) {
   return new SimpleJdbcTemplate(getDataSource()).queryForInt("SELECT count(0) FROM employee "
       + "WHERE age > ? AND age < ? AND first_name = ?", startAge, endAge, firstName);
 }

}

class Employee {

 private Integer id;
 private Name name = new Name();
 private Integer age;
 private Sex sex;
 private Address address = new Address();
 private List<PhoneNumber> phoneNumbers = new ArrayList<PhoneNumber>();
 public Employee() {
 }
 public Employee(String firstName, String lastName) {
   this.getName().setFirst(firstName);
   this.getName().setLast(lastName);
 }
 void setId(Integer id) {
   this.id = id;
 }
 public Integer getId() {
   return id;
 }
 public Address getAddress() {
   return address;
 }
 public Integer getAge() {
   return age;
 }
 public void setAge(Integer age) {
   this.age = age;
 }
 public Name getName() {
   return name;
 }
 public List<PhoneNumber> getPhoneNumbers() {
   return Collections.unmodifiableList(phoneNumbers);
 }
 public void addPhoneNumber(PhoneNumber phoneNumber) {
   this.phoneNumbers.add(phoneNumber);
 }
 public void removePhoneNumber(PhoneNumber phoneNumber) {
   this.phoneNumbers.remove(phoneNumber);
 }
 public void removePhoneNumber(int index) {
   this.phoneNumbers.remove(index);
 }
 public Sex getSex() {
   return sex;
 }
 public void setSex(Sex sex) {
   this.sex = sex;
 }

} abstract class Sex {

 public static final Sex MALE = new Male();
 public static final Sex FEMALE = new Female();
 public boolean equals(Object o) {
   if (o == null) {
     return false;
   }
   return getClass().equals(o.getClass());
 }

} class PhoneNumber { } class Address {

 private String line1;
 private String line2;
 private String city;
 private String state;
 private String zip;
 public void setLine1(String line1) {
   this.line1 = line1;
 }
 public String getLine1() {
   return this.line1;
 }
 public void setLine2(String line2) {
   this.line2 = line2;
 }
 public String getLine2() {
   return this.line2;
 }
 public void setCity(String city) {
   this.city = city;
 }
 public String getCity() {
   return this.city;
 }
 public void setState(String state) {
   this.state = state;
 }
 public String getState() {
   return this.state;
 }
 public void setZip(String zip) {
   this.zip = zip;
 }
 public String getZip() {
   return this.zip;
 }

} final class Male extends Sex {

 protected Male() {
 }

} final class Female extends Sex {

 protected Female() {
 }

}

class Name {

 private String first;
 private String middle;
 private String last;
 public void setFirst(String first) {
   this.first = first;
 }
 public String getFirst() {
   return this.first;
 }
 public void setMiddle(String middle) {
   this.middle = middle;
 }
 public String getMiddle() {
   return this.middle;
 }
 public void setLast(String last) {
   this.last = last;
 }
 public String getLast() {
   return this.last;
 }

}

File: Main.java import java.util.Date; import java.util.GregorianCalendar; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; class Main {

 public static void main(String args[]) throws Exception {
   ApplicationContext ctx = new ClassPathXmlApplicationContext(
       "context.xml");
   EmployeeDaoImpl ws = (EmployeeDaoImpl) ctx.getBean("employeeDao");
 }

}


      </source>
   
  
 
  



Use SimpleJdbcTemplate and call queryForObject

   <source lang="java">
      

File: context.xml <?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE beans PUBLIC "-//SPRING//DTD BEAN//EN"

   "http://www.springframework.org/dtd/spring-beans.dtd">

<beans> <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="employeeDao" class="EmployeeDaoImpl">

 <property name="dataSource" ref="dataSource"/>

</bean> </beans>

File: EmployeeDaoImpl.java import java.io.IOException; import java.io.InputStream; import java.io.OutputStream; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.sql.Types; import java.util.ArrayList; import java.util.Collections; import java.util.HashMap; import java.util.List; import java.util.Map; import javax.sql.DataSource; import org.springframework.dao.DataAccessException; import org.springframework.jdbc.core.BatchPreparedStatementSetter; import org.springframework.jdbc.core.RowMapper; import org.springframework.jdbc.core.SqlOutParameter; import org.springframework.jdbc.core.SqlParameter; import org.springframework.jdbc.core.simple.ParameterizedRowMapper; import org.springframework.jdbc.core.simple.SimpleJdbcTemplate; import org.springframework.jdbc.core.support.AbstractLobCreatingPreparedStatementCallback; import org.springframework.jdbc.core.support.AbstractLobStreamingResultSetExtractor; import org.springframework.jdbc.core.support.JdbcDaoSupport; import org.springframework.jdbc.object.MappingSqlQuery; import org.springframework.jdbc.object.SqlUpdate; import org.springframework.jdbc.object.StoredProcedure; import org.springframework.jdbc.support.lob.DefaultLobHandler; import org.springframework.jdbc.support.lob.LobCreator; import org.springframework.jdbc.support.lob.LobHandler; import org.springframework.jdbc.support.nativejdbc.SimpleNativeJdbcExtractor; import org.springframework.util.FileCopyUtils; //import org.apache.rumons.dbcp.BasicDataSource;

public class EmployeeDaoImpl extends JdbcDaoSupport{

 protected void initDao() throws Exception {
   super.initDao();
   getJdbcTemplate().setNativeJdbcExtractor(new SimpleNativeJdbcExtractor());
 }
 public Employee load(Integer id) {
   return new SimpleJdbcTemplate(getDataSource()).queryForObject(
       "SELECT * FROM employee WHERE id = ?", new ParameterizedRowMapper<Employee>() {
         public Employee mapRow(ResultSet resultSet, int row) throws SQLException {
           Employee employee = new Employee();
           employee.setId(resultSet.getInt("id"));
           employee.getName().setFirst(resultSet.getString("name_first"));
           employee.getName().setMiddle(resultSet.getString("name_middle"));
           employee.getName().setLast(resultSet.getString("name_last"));
           employee.getAddress().setLine1(resultSet.getString("address_line1"));
           employee.getAddress().setLine2(resultSet.getString("address_line2"));
           employee.getAddress().setCity(resultSet.getString("address_city"));
           employee.getAddress().setState(resultSet.getString("address_state"));
           employee.getAddress().setZip(resultSet.getString("address_zip"));
           employee.setAge(resultSet.getInt("age"));
           return employee;
         }
       }, id);
 }

}

class Employee {

 private Integer id;
 private Name name = new Name();
 private Integer age;
 private Sex sex;
 private Address address = new Address();
 private List<PhoneNumber> phoneNumbers = new ArrayList<PhoneNumber>();
 public Employee() {
 }
 public Employee(String firstName, String lastName) {
   this.getName().setFirst(firstName);
   this.getName().setLast(lastName);
 }
 void setId(Integer id) {
   this.id = id;
 }
 public Integer getId() {
   return id;
 }
 public Address getAddress() {
   return address;
 }
 public Integer getAge() {
   return age;
 }
 public void setAge(Integer age) {
   this.age = age;
 }
 public Name getName() {
   return name;
 }
 public List<PhoneNumber> getPhoneNumbers() {
   return Collections.unmodifiableList(phoneNumbers);
 }
 public void addPhoneNumber(PhoneNumber phoneNumber) {
   this.phoneNumbers.add(phoneNumber);
 }
 public void removePhoneNumber(PhoneNumber phoneNumber) {
   this.phoneNumbers.remove(phoneNumber);
 }
 public void removePhoneNumber(int index) {
   this.phoneNumbers.remove(index);
 }
 public Sex getSex() {
   return sex;
 }
 public void setSex(Sex sex) {
   this.sex = sex;
 }

} abstract class Sex {

 public static final Sex MALE = new Male();
 public static final Sex FEMALE = new Female();
 public boolean equals(Object o) {
   if (o == null) {
     return false;
   }
   return getClass().equals(o.getClass());
 }

} class PhoneNumber { } class Address {

 private String line1;
 private String line2;
 private String city;
 private String state;
 private String zip;
 public void setLine1(String line1) {
   this.line1 = line1;
 }
 public String getLine1() {
   return this.line1;
 }
 public void setLine2(String line2) {
   this.line2 = line2;
 }
 public String getLine2() {
   return this.line2;
 }
 public void setCity(String city) {
   this.city = city;
 }
 public String getCity() {
   return this.city;
 }
 public void setState(String state) {
   this.state = state;
 }
 public String getState() {
   return this.state;
 }
 public void setZip(String zip) {
   this.zip = zip;
 }
 public String getZip() {
   return this.zip;
 }

} final class Male extends Sex {

 protected Male() {
 }

} final class Female extends Sex {

 protected Female() {
 }

}

class Name {

 private String first;
 private String middle;
 private String last;
 public void setFirst(String first) {
   this.first = first;
 }
 public String getFirst() {
   return this.first;
 }
 public void setMiddle(String middle) {
   this.middle = middle;
 }
 public String getMiddle() {
   return this.middle;
 }
 public void setLast(String last) {
   this.last = last;
 }
 public String getLast() {
   return this.last;
 }

}

File: Main.java import java.util.Date; import java.util.GregorianCalendar; import org.springframework.context.ApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; class Main {

 public static void main(String args[]) throws Exception {
   ApplicationContext ctx = new ClassPathXmlApplicationContext(
       "context.xml");
   EmployeeDaoImpl ws = (EmployeeDaoImpl) ctx.getBean("employeeDao");
 }

}


      </source>