andro-memo-web/src/jp/gr/java_conf/u6k/andro_memo/web/json_service/MemoService.java

   1 \r
   2 package jp.gr.java_conf.u6k.andro_memo.web.json_service;\r
   3 \r
   4 import java.util.ArrayList;\r
   5 import java.util.Date;\r
   6 import java.util.HashMap;\r
   7 import java.util.List;\r
   8 import java.util.Map;\r
   9 \r
  10 import javax.jdo.PersistenceManager;\r
  11 import javax.jdo.Transaction;\r
  12 \r
  13 import jp.gr.java_conf.u6k.andro_memo.entity.MemoEntity;\r
  14 import jp.gr.java_conf.u6k.andro_memo.entity.PMF;\r
  15 import jp.gr.java_conf.u6k.andro_memo.model.MemoModel;\r
  16 \r
  17 import com.google.appengine.api.datastore.KeyFactory;\r
  18 \r
  19 public class MemoService {\r
  20 \r
  21     public String create(String loginTicketKey, String title, String tag, String content, long updateDatetime) {\r
  22         PersistenceManager pm = PMF.get().getPersistenceManager();\r
  23         try {\r
  24             Transaction tx = pm.currentTransaction();\r
  25             try {\r
  26                 tx.begin();\r
  27 \r
  28                 MemoModel memoModel = new MemoModel(pm);\r
  29 \r
  30                 MemoEntity memo = memoModel.create(loginTicketKey, title, tag, content, new Date(updateDatetime));\r
  31 \r
  32                 String key = KeyFactory.keyToString(memo.getKey());\r
  33 \r
  34                 tx.commit();\r
  35 \r
  36                 return key;\r
  37             } finally {\r
  38                 if (tx.isActive()) {\r
  39                     tx.rollback();\r
  40                 }\r
  41             }\r
  42         } finally {\r
  43             pm.close();\r
  44         }\r
  45     }\r
  46 \r
  47     public void update(String loginTicketKey, String memoKey, String title, String tag, String content, long updateDatetime) {\r
  48         PersistenceManager pm = PMF.get().getPersistenceManager();\r
  49         try {\r
  50             Transaction tx = pm.currentTransaction();\r
  51             try {\r
  52                 tx.begin();\r
  53 \r
  54                 MemoModel memoModel = new MemoModel(pm);\r
  55 \r
  56                 memoModel.update(loginTicketKey, memoKey, title, tag, content, new Date(updateDatetime));\r
  57 \r
  58                 tx.commit();\r
  59             } finally {\r
  60                 if (tx.isActive()) {\r
  61                     tx.rollback();\r
  62                 }\r
  63             }\r
  64         } finally {\r
  65             pm.close();\r
  66         }\r
  67     }\r
  68 \r
  69     public void delete(String loginTicketKey, String memoKey) {\r
  70         PersistenceManager pm = PMF.get().getPersistenceManager();\r
  71         try {\r
  72             Transaction tx = pm.currentTransaction();\r
  73             try {\r
  74                 tx.begin();\r
  75 \r
  76                 MemoModel memoModel = new MemoModel(pm);\r
  77 \r
  78                 memoModel.delete(loginTicketKey, memoKey);\r
  79 \r
  80                 tx.commit();\r
  81             } finally {\r
  82                 if (tx.isActive()) {\r
  83                     tx.rollback();\r
  84                 }\r
  85             }\r
  86         } finally {\r
  87             pm.close();\r
  88         }\r
  89     }\r
  90 \r
  91     public List<Map<String, String>> findAll(String loginTicketKey) {\r
  92         PersistenceManager pm = PMF.get().getPersistenceManager();\r
  93         try {\r
  94             List<Map<String, String>> resultList = new ArrayList<Map<String, String>>();\r
  95 \r
  96             MemoModel memoModel = new MemoModel(pm);\r
  97 \r
  98             List<MemoEntity> memoList = memoModel.findAll(loginTicketKey);\r
  99 \r
 100             for (MemoEntity memo : memoList) {\r
 101                 String key = KeyFactory.keyToString(memo.getKey());\r
 102                 String updateDatetime = Long.toString(memo.getUpdateDatetime().getTime());\r
 103 \r
 104                 Map<String, String> result = new HashMap<String, String>();\r
 105                 result.put("key", key);\r
 106                 result.put("updateDatetime", updateDatetime);\r
 107 \r
 108                 resultList.add(result);\r
 109             }\r
 110 \r
 111             return resultList;\r
 112         } finally {\r
 113             pm.close();\r
 114         }\r
 115     }\r
 116 \r
 117     public Map<String, String> findByKey(String loginTicketKey, String memoKey) {\r
 118         PersistenceManager pm = PMF.get().getPersistenceManager();\r
 119         try {\r
 120             MemoModel memoModel = new MemoModel(pm);\r
 121 \r
 122             MemoEntity memo = memoModel.findByKey(loginTicketKey, memoKey);\r
 123 \r
 124             Map<String, String> result = new HashMap<String, String>();\r
 125             result.put("key", KeyFactory.keyToString(memo.getKey()));\r
 126             result.put("title", memo.getTitle());\r
 127             result.put("tag", memo.getTag());\r
 128             if (memo.getContent() != null) {\r
 129                 result.put("content", memo.getContent().getValue());\r
 130             } else {\r
 131                 result.put("content", null);\r
 132             }\r
 133             result.put("updateDatetime", Long.toString(memo.getUpdateDatetime().getTime()));\r
 134 \r
 135             return result;\r
 136         } finally {\r
 137             pm.close();\r
 138         }\r
 139     }\r
 140 \r
 141 }\r