Package org.svnadmin.dao

Source Code of org.svnadmin.dao.PjGrDao

package org.svnadmin.dao;

import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.List;

import org.springframework.stereotype.Repository;
import org.svnadmin.entity.PjGr;

/**
* 项目组
*
* @author <a href="mailto:yuanhuiwu@gmail.com">Huiwu Yuan</a>
*
*/
@Repository(PjGrDao.BEAN_NAME)
public class PjGrDao extends Dao {
  /**
   * Bean名称
   */
  public static final String BEAN_NAME = "pjGrDao";

  /**
   * @param pj
   *            项目
   * @param gr
   *            组
   * @return 项目组
   */
  public PjGr get(String pj, String gr) {
    String sql = "select pj,gr,des from pj_gr where pj = ? and gr=?";

    Connection conn = null;
    PreparedStatement pstmt = null;
    ResultSet rs = null;
    try {
      conn = this.getConnection();
      pstmt = conn.prepareStatement(sql);
      int index = 1;
      pstmt.setString(index++, pj);
      pstmt.setString(index++, gr);

      rs = pstmt.executeQuery();
      if (rs.next()) {
        return readPjGr(rs);
      }
    } catch (SQLException e) {
      e.printStackTrace();
      throw new RuntimeException(e);
    } finally {
      this.close(rs, pstmt, conn);
    }
    return null;
  }

  /**
   * @param pj
   *            项目
   * @return 项目组列表
   */
  public List<PjGr> getList(String pj) {
    String sql = "select pj,gr,des from pj_gr where pj=? order by pj,gr";
    List<PjGr> list = new ArrayList<PjGr>();

    Connection conn = null;
    PreparedStatement pstmt = null;
    ResultSet rs = null;
    try {
      conn = this.getConnection();
      pstmt = conn.prepareStatement(sql);
      int index = 1;
      pstmt.setString(index++, pj);

      rs = pstmt.executeQuery();
      while (rs.next()) {
        list.add(readPjGr(rs));
      }
      return list;
    } catch (SQLException e) {
      e.printStackTrace();
      throw new RuntimeException(e);
    } finally {
      this.close(rs, pstmt, conn);
    }
  }

  /**
   * @param rs
   *            ResultSet
   * @return 项目组
   * @throws SQLException
   *             jdbc异常
   */
  PjGr readPjGr(ResultSet rs) throws SQLException {
    PjGr result = new PjGr();
    result.setPj(rs.getString("pj"));
    result.setGr(rs.getString("gr"));
    result.setDes(rs.getString("des"));
    return result;
  }

  /**
   * 删除
   *
   * @param pj
   *            项目
   * @param gr
   *            组
   */
  public void delete(String pj, String gr) {
    String sql = "delete from pj_gr where pj = ? and gr=?";
    Connection conn = null;
    PreparedStatement pstmt = null;
    try {
      conn = this.getConnection();
      pstmt = conn.prepareStatement(sql);
      int index = 1;
      pstmt.setString(index++, pj);
      pstmt.setString(index++, gr);

      pstmt.executeUpdate();
    } catch (SQLException e) {
      e.printStackTrace();
      throw new RuntimeException(e);
    } finally {
      this.close(null, pstmt, conn);
    }
  }

  /**
   * 删除
   *
   * @param pj
   *            项目
   */
  public void deletePj(String pj) {
    String sql = "delete from pj_gr where pj = ?";
    Connection conn = null;
    PreparedStatement pstmt = null;
    try {
      conn = this.getConnection();
      pstmt = conn.prepareStatement(sql);
      int index = 1;
      pstmt.setString(index++, pj);

      pstmt.executeUpdate();
    } catch (SQLException e) {
      e.printStackTrace();
      throw new RuntimeException(e);
    } finally {
      this.close(null, pstmt, conn);
    }
  }

  /**
   * 保存
   *
   * @param pjGr
   *            项目组
   */
  public void save(PjGr pjGr) {
    if (this.get(pjGr.getPj(), pjGr.getGr()) == null) {
      String sql = "insert into pj_gr (pj,gr,des) values (?,?,?)";
      Connection conn = null;
      PreparedStatement pstmt = null;
      try {
        conn = this.getConnection();
        pstmt = conn.prepareStatement(sql);
        int index = 1;
        pstmt.setString(index++, pjGr.getPj());
        pstmt.setString(index++, pjGr.getGr());
        pstmt.setString(index++, pjGr.getDes());

        pstmt.executeUpdate();
      } catch (SQLException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
      } finally {
        this.close(null, pstmt, conn);
      }
    } else {
      String sql = "update pj_gr set des=? where pj = ? and gr=?";
      Connection conn = null;
      PreparedStatement pstmt = null;
      try {
        conn = this.getConnection();
        pstmt = conn.prepareStatement(sql);
        int index = 1;
        pstmt.setString(index++, pjGr.getDes());
        pstmt.setString(index++, pjGr.getPj());
        pstmt.setString(index++, pjGr.getGr());

        pstmt.executeUpdate();
      } catch (SQLException e) {
        e.printStackTrace();
        throw new RuntimeException(e);
      } finally {
        this.close(null, pstmt, conn);
      }
    }
  }

}
TOP

Related Classes of org.svnadmin.dao.PjGrDao

TOP
Copyright © 2018 www.massapi.com. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.