- private static int instances;
-
- public EntityImages()
- {
- super();
- instances++;
- }
-
- public EntityImages(StorageObject theStorage) {
- this();
- setStorage(theStorage);
- }
-
- //
- // methods
-
-
-
- public byte[] getImage()
- {
- theLog.printDebugInfo("--getimage started");
- Connection con=null;Statement stmt=null;
- byte[] img_data=null;
-
- try {
- con = theStorageObject.getPooledCon();
- con.setAutoCommit(false);
- stmt = con.createStatement();
- ResultSet rs = theStorageObject.executeSql(stmt,"select image_data from images where id="+getId());
- if(rs!=null) {
- if (rs.next()) {
- img_data = rs.getBytes(1);
- }
- rs.close();
- }
- }
- catch (Exception e) {theLog.printDebugInfo("-- getImage gescheitert: "+e.toString());}
- finally {
- try {con.setAutoCommit(true); } catch (Exception e) {;}
- theStorageObject.freeConnection(con,stmt); }
-
- return img_data;
- }
-
- public void setImage(byte[] uploadData, String imageType)
- {
- int type = 0;
-
- //hack -mh
- if (imageType.equals("1"))
- type = 1;
- //end hack
-
- if (uploadData!=null) {
- Connection con=null;PreparedStatement pstmt=null;
- try {
-
- theLog.printDebugInfo("settimage :: making internal representation of image");
- WebdbImage webdbImage= new WebdbImage(uploadData,type);
- theLog.printDebugInfo("settimage :: made internal representation of image");
- byte[] imageData = webdbImage.getImage();
- theLog.printDebugInfo("settimage :: getImage");
- byte[] iconData = webdbImage.getIcon();
- theLog.printDebugInfo("settimage :: getIcon");
-
- if (iconData!=null && imageData!=null) {
- con = theStorageObject.getPooledCon();
- con.setAutoCommit(false);
- theLog.printDebugInfo("settimage :: trying to insert image");
-
- // setting values
- String sql = "update images set img_height='"+webdbImage.getImageHeight() +
- "',img_width='" + webdbImage.getImageWidth() +
- "',icon_height='" + webdbImage.getIconHeight() +
- "',icon_width='" + webdbImage.getIconWidth() + "', image_data=?, icon_data=? where id="+getId();
- theLog.printDebugInfo("settimage :: updating sizes: "+ sql);
- pstmt = con.prepareStatement(sql);
- pstmt.setBytes(1, imageData);
- pstmt.setBytes(2, iconData);
- pstmt.executeUpdate();
- sql="update content set is_produced='0' where to_media="+getId();
- pstmt = con.prepareStatement(sql);
- pstmt.executeUpdate();
- }
- }
- catch (Exception e) {theLog.printDebugInfo("settimage :: setImage gescheitert: "+e.toString());}
- finally {
- try {con.setAutoCommit(true); } catch (Exception e) {;}
- theStorageObject.freeConnection(con,pstmt); }
- }
- }
-
- public void update() throws StorageObjectException {
- super.update();
- try {
- theStorageObject.executeUpdate("update content set is_produced='0' where to_media="+getId());
- } catch (SQLException e) {
- theLog.printError("EntityImages :: update :: failed!! "+ e.toString());
- }
- }
-
- public void setValues(HashMap theStringValues)
- {
- if (theStringValues != null) {
- if (!theStringValues.containsKey("is_published"))
- theStringValues.put("is_published","0");
- }
- super.setValues(theStringValues);
- }
-
- public byte[] getIcon()
- {
- Connection con=null;Statement stmt=null;
- byte[] img_data=null;
-
- try {
- con = theStorageObject.getPooledCon();
- con.setAutoCommit(false);
- stmt = con.createStatement();
- ResultSet rs = theStorageObject.executeSql(stmt,"select icon_data from images where id="+getId());
- if(rs!=null) {
- if (rs.next()) {
- img_data = rs.getBytes(1);
- }
- rs.close();
- }
- }
- catch (Exception e) {theLog.printDebugInfo("-- getIcon gescheitert: "+e.toString());}
- finally {
- try {con.setAutoCommit(true); } catch (Exception e) {;}
- theStorageObject.freeConnection(con,stmt); }
-
- return img_data;
- }
-
- public void finalize() {
- instances--;
- super.finalize();
+ private int maxImageSize = configuration.getInt("Producer.Image.MaxSize");
+ private int maxIconSize = configuration.getInt("Producer.Image.MaxIconSize");
+ private float minDescaleRatio = configuration.getFloat("Producer.Image.MinDescalePercentage")/100;
+ private int minDescaleReduction = configuration.getInt("Producer.Image.MinDescaleReduction");
+
+
+ public EntityImages()
+ {
+ super();
+
+ logger = new LoggerWrapper("Entity.UploadedMedia.Images");
+ }
+
+ public EntityImages(StorageObject theStorage) {
+ this();
+ setStorage(theStorage);
+ }
+
+ //
+ // methods
+
+
+ public InputStream getImage() throws StorageObjectFailure {
+ logger.debug("EntityImages.getimage started");
+ java.sql.Connection con=null;
+ Statement stmt=null;
+ BlobInputStream in;
+ InputStream img_in = null;
+ try {
+ con = theStorageObject.getPooledCon();
+ con.setAutoCommit(false);
+ LargeObjectManager lom;
+ java.sql.Connection jCon;
+ stmt = con.createStatement();
+ ResultSet rs = theStorageObject.executeSql(stmt,
+ "select image_data from images where id="+getId());
+ jCon = ((com.codestudio.sql.PoolManConnectionHandle)con)
+ .getNativeConnection();
+ lom = ((org.postgresql.Connection)jCon).getLargeObjectAPI();
+ if(rs!=null) {
+ if (rs.next()) {
+ LargeObject lob = lom.open(rs.getInt(1));
+ in = (BlobInputStream)lob.getInputStream();
+ img_in = new ImageInputStream(in, con, stmt);
+ }
+ rs.close();
+ }
+ }
+ catch (Throwable t) {
+ logger.error("EntityImages.getImage failed: " + t.toString());
+ t.printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
+
+ try {
+ con.setAutoCommit(true);
+ }
+ catch (Throwable e) {
+ logger.error("EntityImages.getImage resetting transaction mode failed: " + e.toString());
+ e.printStackTrace(logger.asPrintWriter(LoggerWrapper.DEBUG_MESSAGE));
+ }
+
+ try {
+ theStorageObject.freeConnection(con, stmt);
+ }
+ catch (Throwable e) {
+ logger.error("EntityImages.getImage freeing connection failed: " +e.toString());
+ }
+
+ throwStorageObjectFailure(t, "EntityImages -- getImage failed: ");
+ }
+ return img_in;
+ }
+
+ public void setImage(InputStream in, String type) throws StorageObjectFailure {
+
+ if (in != null) {
+
+ Connection con = null;
+ PreparedStatement pstmt = null;
+ File f = null;
+ try {
+ logger.debug("EntityImages.settimage :: making internal representation of image");
+
+ f = File.createTempFile("mir", ".tmp",
+ new File(MirPropertiesConfiguration.instance().getString("TempDir")));
+ FileUtil.write(f, in);
+ ImageProcessor processor = new ImageProcessor(f);
+
+ con = theStorageObject.getPooledCon();
+ con.setAutoCommit(false);
+ LargeObjectManager lom;
+ java.sql.Connection connection;
+ connection = ((com.codestudio.sql.PoolManConnectionHandle)con).getNativeConnection();
+
+ lom = ((org.postgresql.Connection) connection).getLargeObjectAPI();
+
+ int oidImage = lom.create();
+ LargeObject lobImage = lom.open(oidImage);
+ processor.descaleImage(maxImageSize, minDescaleRatio, minDescaleReduction);
+ processor.writeScaledData(lobImage.getOutputStream(), type);
+ lobImage.close();
+ setValueForProperty("img_height", new Integer(processor.getScaledHeight()).toString());
+ setValueForProperty("img_width", new Integer(processor.getScaledWidth()).toString());
+
+ int oidIcon = lom.create();
+ LargeObject lobIcon = lom.open(oidIcon);
+ processor.descaleImage(maxIconSize, minDescaleRatio, minDescaleReduction);
+ processor.writeScaledData(lobIcon.getOutputStream(), type);
+ lobIcon.close();
+
+ setValueForProperty("icon_height", new Integer(processor.getScaledHeight()).toString());
+ setValueForProperty("icon_width", new Integer(processor.getScaledWidth()).toString());
+
+ setValueForProperty("image_data", new Integer(oidImage).toString());
+ setValueForProperty("icon_data", new Integer(oidIcon).toString());
+ update();
+ }
+ catch (Exception e) {
+ throwStorageObjectFailure(e, "settimage :: setImage failed: ");
+ }
+ finally {
+ try {
+ if (con!=null)
+ con.setAutoCommit(true);
+ // get rid of the temp. file
+ f.delete();
+ } catch (SQLException e) {
+ throwStorageObjectFailure(e,"Resetting transaction-mode failed");
+ }
+ if (con!=null)
+ theStorageObject.freeConnection(con,pstmt);
+ }
+ }