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23 package com.geinuke.bizlogic;
24
25 import java.sql.SQLException  ;
26 import java.util.ArrayList ;
27
28 import com.geinuke.dao.CategoryDAO;
29 import com.geinuke.middle.ICategoryBL;
30 import com.geinuke.vo.CategoryVO;
31 import com.geinuke.vo.NewsVO;
32
33
34 public class CategoryBL implements ICategoryBL {
35 protected static ICategoryBL instance=null;
36
37 public CategoryBL(){
38
39 }
40
41
42
43 public ArrayList getCategoriesByFId(int fid) throws BLException{
44 ArrayList list=null;
45 try{
46 CategoryDAO dao=new CategoryDAO();
47 list=dao.getCategoriesByFId(fid);
48
49 }catch(SQLException sqle){
50 throw new DBException(sqle.getMessage());
51 }catch(Throwable t){
52 throw new BLException(t.getMessage());
53 }
54 return list;
55 }
56
57 public void insCategory(CategoryVO c)throws BLException{
58
59 try{
60 CategoryDAO dao=new CategoryDAO();
61 dao.insertCategory(c);
62
63 }catch(SQLException sqle){
64 throw new DBException(sqle.getMessage());
65 }catch(Throwable t){
66 throw new BLException(t.getMessage());
67 }
68
69 }
70
71 public CategoryVO getCategoryById(CategoryVO c)throws BLException {
72 CategoryVO cc=null;
73 try{
74 CategoryDAO dao=new CategoryDAO();
75 cc=dao.getCategoryByIdAndCatType(c);
76 }catch(SQLException sqle){
77 throw new DBException(sqle.getMessage());
78 }catch(Throwable t){
79 throw new BLException(t.getMessage());
80 }
81 return cc;
82 }
83
84 public CategoryVO getCategoryByTitleAndCatType(CategoryVO c)throws BLException {
85 CategoryVO cc=null;
86 try{
87 CategoryDAO dao=new CategoryDAO();
88 cc=dao.getCategoryByTitleAndCatType(c);
89 }catch(SQLException sqle){
90 throw new DBException(sqle.getMessage());
91 }catch(Throwable t){
92 throw new BLException(t.getMessage());
93 }
94 return cc;
95 }
96
97 public ArrayList getCategoriesByCatType(String type) throws BLException{
98 ArrayList list=null;
99 try{
100 CategoryDAO dao=new CategoryDAO();
101 list=dao.getCategoriesByCatType(type);
102
103 }catch(SQLException sqle){
104 throw new DBException(sqle.getMessage());
105 }catch(Throwable t){
106 throw new BLException(t.getMessage());
107 }
108 return list;
109 }
110
111 public ArrayList getCategoriesByNews(NewsVO n) throws BLException{
112 ArrayList list=null;
113 try{
114 CategoryDAO dao=new CategoryDAO();
115 list=dao.getCategoriesByNews(n);
116
117 }catch(SQLException sqle){
118 throw new DBException(sqle.getMessage());
119 }catch(Throwable t){
120 throw new BLException(t.getMessage());
121 }
122 return list;
123 }
124
125 public ArrayList getAllCategories() throws BLException{
126 ArrayList list=null;
127 try{
128 CategoryDAO dao=new CategoryDAO();
129 list=dao.getAllCategories();
130
131 }catch(SQLException sqle){
132 throw new DBException(sqle.getMessage());
133 }catch(Throwable t){
134 throw new BLException(t.getMessage());
135 }
136 return list;
137 }
138 }
139 |
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