[ch03] Use anonymous inner class.

src/main/java/ch01/springbook/user/dao/UserDao.java

@@ -7,11 +7,9 @@
 
 import javax.sql.DataSource;
 
-import ch03.springbook.user.dao.AddStatement;
 import org.springframework.dao.EmptyResultDataAccessException;
 
 import ch01.springbook.user.domain.User;
-import ch03.springbook.user.dao.DeleteAllStatement;
 import ch03.springbook.user.dao.StatementStrategy;
 
 public class UserDao {
@@ -37,8 +35,18 @@ public void setConnectionMaker(ConnectionMaker connectionMaker) {
 
 	public void add(User user) throws ClassNotFoundException, SQLException {
 
-		StatementStrategy st = new AddStatement(user);
-		jdbcContextWithStatementStrategy(st);
+		jdbcContextWithStatementStrategy(new StatementStrategy() {
+			@Override
+			public PreparedStatement makePreparedStatement(Connection c) throws SQLException {
+				PreparedStatement ps = c.prepareStatement(
+					"INSERT INTO users(id, name, password) VALUES(?, ?, ?)");
+				ps.setString(1, user.getId());
+				ps.setString(2, user.getName());
+				ps.setString(3, user.getPassword());
+
+				return ps;
+			}
+		});
 	}
 
 	public User get(String id) throws ClassNotFoundException, SQLException {
@@ -72,8 +80,13 @@ public User get(String id) throws ClassNotFoundException, SQLException {
 
 	public void deleteAll() throws SQLException {
 
-		StatementStrategy st = new DeleteAllStatement();
-		jdbcContextWithStatementStrategy(st);
+		jdbcContextWithStatementStrategy(new StatementStrategy() {
+			@Override
+			public PreparedStatement makePreparedStatement(Connection c) throws SQLException {
+				PreparedStatement ps = c.prepareStatement("delete from users");
+				return ps;
+			}
+		});
 	}
 
 	public int getCount() throws SQLException {