source/mircoders/entity/EntityOther.java

   1 package mircoders.entity;
   2
   3 import java.lang.*;
   4 import java.io.*;
   5 import java.util.*;
   6 import java.sql.*;
   7
   8 /*
   9  * kind of hack for postgres non-standard LargeObjects that Poolman
  10  * doesn't know about. see all the casting, LargeObj stuff in getIcon, getOther
  11  * at some point when postgres has normal BLOB support, this should go.
  12  */
  13 import org.postgresql.Connection;
  14 import org.postgresql.largeobject.LargeObject;
  15 import org.postgresql.largeobject.LargeObjectManager;
  16
  17 import mir.entity.*;
  18 import mir.misc.*;
  19 import mir.storage.*;
  20
  21 /**
  22  * This class handles storage of other data and meta data
  23  *
  24  * @author mh
  25  * @version 11.11.2000
  26  */
  27
  28
  29 public class EntityOther extends EntityUploadedMedia
  30 {
  31         public EntityOther()
  32         {
  33                 super();
  34         }
  35
  36         public EntityOther(StorageObject theStorage) {
  37                 this();
  38                 setStorage(theStorage);
  39         }
  40
  41         //
  42         // methods
  43
  44
  45
  46         public byte[] getOther() throws StorageObjectException
  47         {
  48                 theLog.printDebugInfo("--getother started");
  49                 java.sql.Connection con=null;Statement stmt=null;
  50                 byte[] img_data=null;
  51
  52                 try {
  53                         con = theStorageObject.getPooledCon();
  54                         con.setAutoCommit(false);
  55                         LargeObjectManager lom;
  56             java.sql.Connection jCon;
  57             stmt = con.createStatement();
  58                         ResultSet rs = theStorageObject.executeSql(stmt,
  59                             "select other_data from other where id="+getId());
  60             jCon = ((com.codestudio.sql.PoolManConnectionHandle)con)
  61                     .getNativeConnection();
  62             lom = ((org.postgresql.Connection)jCon).getLargeObjectAPI();
  63                         if(rs!=null) {
  64               if (rs.next()) {
  65                 LargeObject lob = lom.open(rs.getInt(1));
  66                 img_data = lob.read(lob.size());
  67                 lob.close();
  68                 //img_data = rs.getBytes(1);
  69               }
  70             rs.close();
  71                         }
  72                 } catch (Exception e) {
  73           e.printStackTrace();
  74           theLog.printError("EntityOther -- getOther failed"+e.toString());
  75           throwStorageObjectException(e, "EntityOther -- getOther failed: ");
  76         }
  77         finally {
  78           try {
  79             con.setAutoCommit(true);
  80           } catch (Exception e) {
  81             e.printStackTrace();
  82             theLog.printError(
  83                     "EntityOther -- getOther reseting transaction mode failed"
  84                     +e.toString());
  85           }
  86           theStorageObject.freeConnection(con,stmt);
  87         }
  88
  89                 return img_data;
  90         }
  91
  92         public void setOther(byte[] otherData, String otherType)
  93             throws StorageObjectException {
  94
  95                 if (otherData!=null) {
  96                         java.sql.Connection con=null;PreparedStatement pstmt=null;
  97                         try {
  98
  99                                 theLog.printDebugInfo("settother :: making internal representation of other");
 100                                 theLog.printDebugInfo("settother :: made internal representation of other");
 101                                 theLog.printDebugInfo("settother :: getOther");
 102
 103                                 if ( otherData!=null) {
 104                                         con = theStorageObject.getPooledCon();
 105                                         con.setAutoCommit(false);
 106                                         theLog.printDebugInfo("settother :: trying to insert other");
 107
 108                                         // setting values
 109                                         pstmt.setBytes(1, otherData);
 110                                         String sql="update content set is_produced='0' where to_media="+getId();
 111                                         pstmt = con.prepareStatement(sql);
 112                                         pstmt.executeUpdate();
 113                                 }
 114                         }
 115                         catch (Exception e) {throwStorageObjectException(e, "settother :: setOther gescheitert: ");}
 116                         finally {
 117                                 try { if (con!=null) con.setAutoCommit(true); } catch (Exception e) {;}
 118                                 theStorageObject.freeConnection(con,pstmt); }
 119                 }
 120         }
 121
 122         public void update() throws StorageObjectException {
 123                 super.update();
 124                 try {
 125                         theStorageObject.executeUpdate("update content set is_produced='0' where to_media="+getId());
 126                 } catch (SQLException e) {
 127                         throwStorageObjectException(e, "EntityOther :: update :: failed!! ");
 128                 }
 129         }
 130
 131         public void setValues(HashMap theStringValues)
 132         {
 133                 if (theStringValues != null) {
 134                         if (!theStringValues.containsKey("is_published"))
 135                          theStringValues.put("is_published","0");
 136                 }
 137                 super.setValues(theStringValues);
 138         }
 139
 140 }