doctypedao.java

一个简单的公文管理系统

package com.jasson.business.system;

/**
 * <p>Title: DocTypeDAO</p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2003,by wingroup</p>
 * <p>Company: wingroup</p>
 * @author jarrywen
 * @version 1.0
 */

import java.io.*;
import java.sql.*;
import java.util.Properties;
import java.util.Collection;
import java.util.ArrayList;
import com.jasson.business.common.DbConn;

import com.jasson.common.*;

public class DocTypeDAO {
	private int TypeID;
	private String TypeNO;
	private String TypeName;
	private String ActiveTag;
	public DocTypeDAO( int TypeID, String TypeNO, String TypeName, String ActiveTag ){
		this.TypeID = TypeID;
		this.TypeNO = TypeNO;
		this.TypeName = TypeName;
		this.ActiveTag = ActiveTag;
	}
	public DocTypeDAO() {
	}
	public int getTypeID(){
		return TypeID;
	}
	public void setTypeID(int TypeID){
		this.TypeID = TypeID;
	}
	public String getTypeNO(){
		return TypeNO;
	}
	public void setTypeNO(String TypeNO){
		this.TypeNO = TypeNO;
	}
	public String getTypeName(){
		return TypeName;
	}
	public void setTypeName(String TypeName){
		this.TypeName = TypeName;
	}
	public String getActiveTag(){
		return ActiveTag;
	}
	public void setActiveTag(String ActiveTag){
// Next 1 line remarked by David, 2003/06/26
//		this.ActiveTag = ActiveTag;
// Next 6 lines added by David, 2003/06/26
		this.ActiveTag = "0";
		if (ActiveTag != null) {
			if (ActiveTag.equals("1")) {
				this.ActiveTag = ActiveTag;
			}
		}
	}
	public static DocTypeDAO find(int TypeID){
		ExtendString ExStr = new ExtendString();
		Connection con = null;
		PreparedStatement ps = null;
		ResultSet rs = null;
		DocTypeDAO result = null;
		try {
			DbConn dbConn = new DbConn();
			con = dbConn.getConnection();
			ps = con.prepareStatement("select  TypeID, TypeNO, TypeName, ActiveTag from TType where TypeID = ?");
			ps.setInt(1, TypeID);
			rs = ps.executeQuery();
			if (rs.next()) {
				result = new DocTypeDAO( rs.getInt(1), ExStr.dbDecode(rs.getString(2)), ExStr.dbDecode(rs.getString(3)), ExStr.dbDecode(rs.getString(4)));
			}
			rs.close();
			rs = null;
			ps.close();
			ps = null;
			con.close();
			con = null;
		}
		catch (SQLException sqlException) {
			System.out.println(sqlException.getMessage());
		}
		finally {
			if (rs != null) {
				try {
					rs.close();
				}
				catch (SQLException sqlException) {
				}
				rs = null;
			}
			if (ps != null) {
				try {
					ps.close();
				}
				catch (SQLException sqlException) {
				}
				ps = null;
			}
			if (con != null) {
				try {
					con.close();
				}
				catch (SQLException sqlException) {
				}
				con = null;
			}
		}
		return result;
	}
	public static DocTypeDAO[] findSelectAll() {
		ExtendString ExStr = new ExtendString();
		Connection con = null;
		PreparedStatement ps = null;
		ResultSet rs = null;
		DocTypeDAO result = null;
		Collection results = new ArrayList();
		try {
			DbConn dbConn = new DbConn();
			con = dbConn.getConnection();
			ps = con.prepareStatement("select  TypeID, TypeNO, TypeName, ActiveTag from TType");
			rs = ps.executeQuery();
			while (rs.next()) {
				result = new DocTypeDAO( rs.getInt(1), ExStr.dbDecode(rs.getString(2)), ExStr.dbDecode(rs.getString(3)), ExStr.dbDecode(rs.getString(4)));
				results.add(result);
			}
			rs.close();
			rs = null;
			ps.close();
			ps = null;
			con.close();
			con = null;
		}
		catch (SQLException sqlException) {
			System.out.println(sqlException.getMessage());
		}
		finally {
			if (rs != null) {
				try {
					rs.close();
				}
				catch (SQLException sqlException) {
				}
				rs = null;
			}
			if (ps != null) {
				try {
					ps.close();
				}
				catch (SQLException sqlException) {
				}
				ps = null;
			}
			if (con != null) {
				try {
					con.close();
				}
				catch (SQLException sqlException) {
				}
				con = null;
			}
		}
		return (DocTypeDAO[])results.toArray(new DocTypeDAO[0]);
	}	
	public static DocTypeDAO[] findAll() {
		ExtendString ExStr = new ExtendString();
		Connection con = null;
		PreparedStatement ps = null;
		ResultSet rs = null;
		DocTypeDAO result = null;
		Collection results = new ArrayList();
		try {
			DbConn dbConn = new DbConn();
			con = dbConn.getConnection();
			ps = con.prepareStatement("select  TypeID, TypeNO, TypeName, ActiveTag from TType where ActiveTag = 1");
			rs = ps.executeQuery();
			while (rs.next()) {
				result = new DocTypeDAO( rs.getInt(1), ExStr.dbDecode(rs.getString(2)), ExStr.dbDecode(rs.getString(3)), ExStr.dbDecode(rs.getString(4)));
				results.add(result);
			}
			rs.close();
			rs = null;
			ps.close();
			ps = null;
			con.close();
			con = null;
		}
		catch (SQLException sqlException) {
			System.out.println(sqlException.getMessage());
		}
		finally {
			if (rs != null) {
				try {
					rs.close();
				}
				catch (SQLException sqlException) {
				}
				rs = null;
			}
			if (ps != null) {
				try {
					ps.close();
				}
				catch (SQLException sqlException) {
				}
				ps = null;
			}
			if (con != null) {
				try {
					con.close();
				}
				catch (SQLException sqlException) {
				}
				con = null;
			}
		}
		return (DocTypeDAO[])results.toArray(new DocTypeDAO[0]);
	}
	public long insert() {
		Connection con = null;
		PreparedStatement ps = null;
		ResultSet rs = null;
		long lngSQLReturn = -1;
		long lngReturn = -1;
		try {
			DbConn dbConn = new DbConn();
			con = dbConn.getConnection();
			if (con != null) {
				ps = con.prepareStatement("select MAX(TypeID) from TType");
				rs = ps.executeQuery();
				if (rs.next()){
                    //remarked by jarrywen, 2003/06/26
					int maxTypeID = rs.getInt(1)+1;
					this.setTypeID(maxTypeID);
				}
				ps = con.prepareStatement("insert into TType ( TypeID, TypeNO, TypeName, ActiveTag) values ( ?, ?, ?, ?)");
				ps.setInt(1, getTypeID());
				ps.setString(2, getTypeNO());
				ps.setString(3, getTypeName());
				ps.setString(4, getActiveTag());
				lngSQLReturn = ps.executeUpdate();
				lngReturn = lngSQLReturn;
			}
			rs.close();
			rs = null;
			ps.close();
			ps = null;
			con.close();
			con = null;
		}
		catch (SQLException sqlException) {
			System.out.println(sqlException.getMessage());
		}
		finally {
			if (rs != null) {
				try {
					rs.close();
				}
				catch (SQLException sqlException) {
				}
				rs = null;
			}
			if (ps != null) {
				try {
					ps.close();
				}
				catch (SQLException sqlException) {
				}
				ps = null;
			}
			if (con != null) {
				try {
					con.close();
				}
				catch (SQLException sqlException) {
				}
				con = null;
			}
		}
		return lngReturn;
	}
	public boolean delete(int TypeID) {
		Connection con = null;
		PreparedStatement ps = null;
		boolean blnReturn = false;
		try {
			DbConn dbConn = new DbConn();
			con = dbConn.getConnection();
			if (con != null) {
				ps = con.prepareStatement("delete TType  where TypeID = ?");
				ps.setInt(1, TypeID);
				blnReturn = (ps.executeUpdate() == 1);
				ps.close();
			}
			con.close();
		}
		catch (SQLException sqlException) {
			System.out.println(sqlException.getMessage());
		}
		finally {
			if (ps != null) {
				try {
					ps.close();
				}
				catch (SQLException sqlException) {
				}
				ps = null;
			}
			if (con != null) {
				try {
					con.close();
				}
				catch (SQLException sqlException) {
				}
				con = null;
			}
		}
		return blnReturn;
	}
	public boolean update() {
		Connection con = null;
		PreparedStatement ps = null;
		boolean blnReturn = false;
		try {
			DbConn dbConn = new DbConn();
			con = dbConn.getConnection();
			if (con != null) {
				ps = con.prepareStatement("update TType set  TypeID = ?, TypeNO = ?, TypeName = ?, ActiveTag = ? where TypeID = ?");
				ps.setInt(1, getTypeID());
				ps.setString(2, getTypeNO());
				ps.setString(3, getTypeName());
				ps.setString(4, getActiveTag());
				ps.setInt(5, getTypeID());
				blnReturn = (ps.executeUpdate() == 1);
				ps.close();
			}
			con.close();
		}
		catch (SQLException sqlException) {
			System.out.println(sqlException.getMessage());
		}
		finally {
			if (ps != null) {
				try {
					ps.close();
				}
				catch (SQLException sqlException) {
				}
				ps = null;
			}
			if (con != null) {
				try {
					con.close();
				}
				catch (SQLException sqlException) {
				}
				con = null;
			}
		}
		return blnReturn;
	}
}