source/mircoders/entity/EntityImage.java

   1 package mircoders.entity;
   2
   3 import java.lang.*;
   4 import java.io.*;
   5 import java.util.*;
   6 import java.sql.*;
   7
   8 import webdb.entity.*;
   9 import webdb.misc.*;
  10 import webdb.storage.*;
  11
  12 /**
  13  * Diese Klasse enthält die Daten eines MetaObjekts
  14  *
  15  * @author RK
  16  * @version 11.11.2000
  17  */
  18
  19
  20 public class EntityImage extends AbstractEntity implements Entity
  21 {
  22         private static int instances;
  23
  24         public EntityImage()
  25         {
  26                 super();
  27                 instances++;
  28         }
  29
  30         public EntityImage(StorageObject theStorage) {
  31                 this();
  32                 setStorage(theStorage);
  33         }
  34
  35         //
  36         // methods
  37
  38
  39
  40         public byte[] getImage()
  41         {
  42                 theLog.printDebugInfo("--getimage started");
  43                 Connection con=null;Statement stmt=null;
  44                 byte[] img_data=null;
  45
  46                 try {
  47                         con = theStorageObject.getPooledCon();
  48                         con.setAutoCommit(false);
  49                         stmt = con.createStatement();
  50                         ResultSet rs = theStorageObject.executeSql(stmt,"select image_data from images where id="+getId());
  51                         if(rs!=null) {
  52                                 if (rs.next()) {
  53                                          img_data = rs.getBytes(1);
  54                                 }
  55                                 rs.close();
  56                         }
  57                 }
  58                 catch (Exception e) {theLog.printDebugInfo("-- getImage gescheitert: "+e.toString());}
  59                 finally {
  60                         try {con.setAutoCommit(true); } catch (Exception e) {;}
  61                         theStorageObject.freeConnection(con,stmt); }
  62
  63                 return img_data;
  64         }
  65
  66         public void setImage(byte[] uploadData, int imageType)
  67         {
  68                 if (uploadData!=null) {
  69                         Connection con=null;PreparedStatement pstmt=null;
  70                         try {
  71
  72                                 theLog.printDebugInfo("settimage :: making internal representation of image");
  73                                 WebdbImage webdbImage= new WebdbImage(uploadData,imageType);
  74                                 theLog.printDebugInfo("settimage :: made internal representation of image");
  75                                 byte[] imageData = webdbImage.getImage();
  76                                 theLog.printDebugInfo("settimage :: getImage");
  77                                 byte[] iconData = webdbImage.getIcon();
  78                                 theLog.printDebugInfo("settimage :: getIcon");
  79
  80                                 if (iconData!=null && imageData!=null) {
  81                                         con = theStorageObject.getPooledCon();
  82                                         con.setAutoCommit(false);
  83                                         theLog.printDebugInfo("settimage :: trying to insert image");
  84
  85                                         // setting values
  86                                         String sql = "update images set img_height='"+webdbImage.getImageHeight() +
  87                                                 "',img_width='"   + webdbImage.getImageWidth() +
  88                                                 "',icon_height='" + webdbImage.getIconHeight() +
  89                                                 "',icon_width='"  + webdbImage.getIconWidth()  +  "', image_data=?, icon_data=? where id="+getId();
  90                                         theLog.printDebugInfo("settimage :: updating sizes: "+ sql);
  91                                         pstmt = con.prepareStatement(sql);
  92                                         pstmt.setBytes(1, imageData);
  93                                         pstmt.setBytes(2, iconData);
  94                                         pstmt.executeUpdate();
  95                                         sql="update content set is_produced='0' where to_media="+getId();
  96                                         pstmt = con.prepareStatement(sql);
  97                                         pstmt.executeUpdate();
  98                                 }
  99                         }
 100                         catch (Exception e) {theLog.printDebugInfo("settimage :: setImage gescheitert: "+e.toString());}
 101                         finally {
 102                                 try {con.setAutoCommit(true); } catch (Exception e) {;}
 103                                 theStorageObject.freeConnection(con,pstmt); }
 104                 }
 105         }
 106
 107         public void update() throws StorageObjectException {
 108                 super.update();
 109                 try {
 110                         theStorageObject.executeUpdate("update content set is_produced='0' where to_media="+getId());
 111                 } catch (SQLException e) {
 112                         theLog.printError("EntityImage :: update :: failed!! "+ e.toString());
 113                 }
 114         }
 115
 116         public void setValues(HashMap theStringValues)
 117         {
 118                 if (theStringValues != null) {
 119                         if (!theStringValues.containsKey("is_published"))
 120                          theStringValues.put("is_published","0");
 121                 }
 122                 super.setValues(theStringValues);
 123         }
 124
 125         public byte[] getIcon()
 126         {
 127                 Connection con=null;Statement stmt=null;
 128                 byte[] img_data=null;
 129
 130                 try {
 131                         con = theStorageObject.getPooledCon();
 132                         con.setAutoCommit(false);
 133                         stmt = con.createStatement();
 134                         ResultSet rs = theStorageObject.executeSql(stmt,"select icon_data from images where id="+getId());
 135                         if(rs!=null) {
 136                                 if (rs.next()) {
 137                                          img_data = rs.getBytes(1);
 138                                 }
 139                                 rs.close();
 140                         }
 141                 }
 142                 catch (Exception e) {theLog.printDebugInfo("-- getIcon gescheitert: "+e.toString());}
 143                 finally {
 144                         try {con.setAutoCommit(true); } catch (Exception e) {;}
 145                         theStorageObject.freeConnection(con,stmt); }
 146
 147                 return img_data;
 148         }
 149
 150         public void finalize() {
 151     instances--;
 152     super.finalize();
 153   }
 154
 155 }