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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.BlogDAO;
29 import com.geinuke.dao.UserDAO;
30 import com.geinuke.middle.IBlogBL;
31 import com.geinuke.middle.ICommentBL;
32 import com.geinuke.middle.MiddleFactory;
33 import com.geinuke.util.TextUtil;
34 import com.geinuke.util.collection.BlogPostVOComparator;
35 import com.geinuke.util.collection.MagicCollections;
36 import com.geinuke.vo.BlogAuthorVO;
37 import com.geinuke.vo.BlogPostVO;
38 import com.geinuke.vo.CommentVO;
39
40
41
42
43 public class BlogBL implements IBlogBL {
44 protected static IBlogBL instance=null;
45
46 public BlogBL(){
47
48 }
49
50
51
52 public void insBlogPost(BlogPostVO u)throws BLException{
53
54 try{
55 BlogDAO dao=new BlogDAO();
56 dao.insertBlogPost(u);
57
58 }catch(SQLException sqle){
59 throw new DBException(sqle.getMessage());
60 }catch(Throwable t){
61 throw new BLException(t.getMessage());
62 }
63
64 }
65
66 public void delBlogPost(int bid)throws BLException{
67
68 try{
69 BlogDAO dao=new BlogDAO();
70 dao.deleteBlogPostByBID(bid);
71
72 }catch(SQLException sqle){
73 throw new DBException(sqle.getMessage());
74 }catch(Throwable t){
75 throw new BLException(t.getMessage());
76 }
77
78 }
79
80 public ArrayList getBlogPostsByUID(int uid) throws BLException{
81 ArrayList list=null;
82 try{
83 BlogDAO dao=new BlogDAO();
84 list=dao.getBlogPostsByUID(uid);
85 this.fillBlogPosts(list);
86 }catch(SQLException sqle){
87 throw new DBException(sqle.getMessage());
88 }catch(Throwable t){
89 throw new BLException(t.getMessage());
90 }
91 return list;
92 }
93
94
95
96 public ArrayList getBlogPostsByText(String words) throws BLException{
97 ArrayList list=null,aux=null;
98 String [] wordsA=TextUtil.tokenize(words,",-;. ");
99 list=new ArrayList ();
100
101 try{
102 BlogDAO dao=new BlogDAO();
103 for(int i=0;i<wordsA.length;i++){
104 aux=dao.getBlogPostsByText(wordsA[i]);
105 list.addAll(aux);
106 }
107 list=MagicCollections.semplifyAndSort(list,new BlogPostVOComparator());
108 this.fillBlogPosts(list);
109 }catch(SQLException sqle){
110 throw new DBException(sqle.getMessage());
111 }catch(Throwable t){
112 throw new BLException(t.getMessage());
113 }
114 return list;
115 }
116
117 public ArrayList getBlogPostsByTitle(String words) throws BLException{
118 ArrayList list=null,aux=null;
119 String [] wordsA=TextUtil.tokenize(words,",-;. ");
120 list=new ArrayList ();
121
122 try{
123 BlogDAO dao=new BlogDAO();
124 for(int i=0;i<wordsA.length;i++){
125 aux=dao.getBlogPostsByTitle(wordsA[i]);
126 list.addAll(aux);
127 }
128 list=MagicCollections.semplifyAndSort(list,new BlogPostVOComparator());
129 this.fillBlogPosts(list);
130 }catch(SQLException sqle){
131 throw new DBException(sqle.getMessage());
132 }catch(Throwable t){
133 throw new BLException(t.getMessage());
134 }
135 return list;
136 }
137
138
139 protected void fillBlogPost(BlogPostVO bp) throws Exception {
140
141 bp.setBlogAuthor(this.getBlogAuthorByBID(bp.getBid()));
142
143 ICommentBL cbl=(ICommentBL)MiddleFactory.getBL("ICommentBL");
144 bp.setComments(cbl.getBlogCommentsTreeByXId(bp.getBid()));
145 }
146
147 protected void fillBlogPosts(ArrayList list) throws Exception {
148 BlogPostVO bp=null;
149
150 if(list!=null)
151 for(int i=0;i<list.size();i++){
152 bp=(BlogPostVO)list.get(i);
153 this.fillBlogPost(bp);
154 }
156 }
157
158 public ArrayList getBlogPostsByTitleOrText(String words) throws BLException{
159 ArrayList list=null,aux=null;
160 String [] wordsA=TextUtil.tokenize(words,",-;. ");
161 list=new ArrayList ();
162
163 try{
164 BlogDAO dao=new BlogDAO();
165 for(int i=0;i<wordsA.length;i++){
166 aux=dao.getBlogPostsByTitleOrText(wordsA[i]);
167 list.addAll(aux);
168 }
169 list=MagicCollections.semplifyAndSort(list,new BlogPostVOComparator());
170 this.fillBlogPosts(list);
171 }catch(SQLException sqle){
172 throw new DBException(sqle.getMessage());
173 }catch(Throwable t){
174 throw new BLException(t.getMessage());
175 }
176 return list;
177 }
178
179 public ArrayList getEmptyBlogAuthors() throws BLException{
180 ArrayList list=null;
181 try{
182 UserDAO dao=new UserDAO();
183 list=dao.getBlogAuthors();
184
185 }catch(SQLException sqle){
186 throw new DBException(sqle.getMessage());
187 }catch(Throwable t){
188 throw new BLException(t.getMessage());
189 }
190 return list;
191 }
192
193 public ArrayList getBlogAuthors() throws BLException{
194 ArrayList list=null;
195 list=this.getEmptyBlogAuthors();
196 BlogAuthorVO ba=null;
197 if(list!=null)
198 for(int i=0;i<list.size();i++){
199 ba=(BlogAuthorVO)list.get(i);
200 ba.setLastPost(this.getLastBlogPostByUID(ba.getId()));
201 }
202
203 return list;
204 }
205
206 public BlogAuthorVO getBlogAuthorByBID(int bid)throws BLException{
207 BlogAuthorVO user=null;
208 user=new BlogAuthorVO();
209 try{
210 UserDAO dao=new UserDAO();
211 user=dao.getBlogAuthorByBID(bid);
212 }catch(SQLException sqle){
213 throw new DBException(sqle.getMessage());
214 }catch(Throwable t){
215 throw new BLException(t.getMessage());
216 }
217 return user;
218 }
219
220 public BlogPostVO getBlogPostByBID(int bid) throws BLException{
221 BlogPostVO mod=null;
222 try{
223 BlogDAO dao=new BlogDAO();
224 mod=dao.getBlogPostByBID(bid);
225 this.fillBlogPost(mod);
226 }catch(SQLException sqle){
228 throw new DBException(sqle.getMessage());
229 }catch(Throwable t){
230 throw new BLException(t.getMessage());
231 }
232 return mod;
233 }
234
235
236 public BlogPostVO getBlogPostByCommentCId(int cid)throws BLException {
237 BlogPostVO n=null;
238 CommentVO c=null;
239 ICommentBL cbl=(ICommentBL)MiddleFactory.getBL("ICommentBL");
240 c=cbl.getBlogCommentByCId(cid);
241 return this.getBlogPostByBID(c.getXId());
242
243 }
244
245
246 public BlogPostVO getLastBlogPostByUID(int uid) throws BLException{
247 BlogPostVO mod=null;
248 try{
249 BlogDAO dao=new BlogDAO();
250 mod=dao.getLastBlogPostByUID(uid);
251 }catch(SQLException sqle){
252 throw new DBException(sqle.getMessage());
253 }catch(Throwable t){
254 throw new BLException(t.getMessage());
255 }
256 return mod;
257 }
258
259
260
261 }
262 |
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