-package mircoders.entity;
-
-import java.lang.*;
-import java.io.*;
-import java.util.*;
-import java.sql.*;
-
-import mir.entity.*;
-import mir.misc.*;
-import mir.storage.*;
-
-/**
- * Diese Klasse enthält die Daten eines MetaObjekts
- *
- * @author RK
- * @version 11.11.2000
- */
-
-
-public class EntityImages extends Entity
-{
- 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();
- }
-
-}
+/*\r
+ * Copyright (C) 2001, 2002 The Mir-coders group\r
+ *\r
+ * This file is part of Mir.\r
+ *\r
+ * Mir is free software; you can redistribute it and/or modify\r
+ * it under the terms of the GNU General Public License as published by\r
+ * the Free Software Foundation; either version 2 of the License, or\r
+ * (at your option) any later version.\r
+ *\r
+ * Mir is distributed in the hope that it will be useful,\r
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\r
+ * GNU General Public License for more details.\r
+ *\r
+ * You should have received a copy of the GNU General Public License\r
+ * along with Mir; if not, write to the Free Software\r
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\r
+ *\r
+ * In addition, as a special exception, The Mir-coders gives permission to link\r
+ * the code of this program with the com.oreilly.servlet library, any library\r
+ * licensed under the Apache Software License, The Sun (tm) Java Advanced\r
+ * Imaging library (JAI), The Sun JIMI library (or with modified versions of\r
+ * the above that use the same license as the above), and distribute linked\r
+ * combinations including the two. You must obey the GNU General Public\r
+ * License in all respects for all of the code used other than the above\r
+ * mentioned libraries. If you modify this file, you may extend this exception\r
+ * to your version of the file, but you are not obligated to do so. If you do\r
+ * not wish to do so, delete this exception statement from your version.\r
+ */\r
+\r
+package mircoders.entity;\r
+\r
+import java.io.File;\r
+import java.io.IOException;\r
+import java.io.InputStream;\r
+import java.sql.PreparedStatement;\r
+import java.sql.ResultSet;\r
+import java.sql.Statement;\r
+\r
+import org.postgresql.largeobject.BlobInputStream;\r
+import org.postgresql.largeobject.LargeObject;\r
+import org.postgresql.largeobject.LargeObjectManager;\r
+\r
+import mir.config.MirPropertiesConfiguration;\r
+import mir.misc.FileUtil;\r
+import mir.misc.WebdbImage;\r
+import mir.log.LoggerWrapper;\r
+import mir.storage.StorageObject;\r
+import mir.storage.StorageObjectFailure;\r
+\r
+/**\r
+ * Diese Klasse enth?lt die Daten eines MetaObjekts\r
+ *\r
+ * @author RK, mh, mir-coders\r
+ * @version $Id: EntityImages.java,v 1.15 2003/02/23 05:00:13 zapata Exp $\r
+ */\r
+\r
+\r
+public class EntityImages extends EntityUploadedMedia\r
+{\r
+\r
+ public EntityImages()\r
+ {\r
+ super();\r
+\r
+ logger = new LoggerWrapper("Entity.UploadedMedia.Images");\r
+ }\r
+\r
+ public EntityImages(StorageObject theStorage) {\r
+ this();\r
+ setStorage(theStorage);\r
+ }\r
+\r
+ //\r
+ // methods\r
+\r
+\r
+ public InputStream getImage() throws StorageObjectFailure\r
+ {\r
+ logger.debug("EntityImages.getimage started");\r
+ java.sql.Connection con=null;Statement stmt=null;\r
+ BlobInputStream in; InputStream img_in = null;\r
+\r
+ try {\r
+ con = theStorageObject.getPooledCon();\r
+ con.setAutoCommit(false);\r
+ LargeObjectManager lom;\r
+ java.sql.Connection jCon;\r
+ stmt = con.createStatement();\r
+ ResultSet rs = theStorageObject.executeSql(stmt,\r
+ "select image_data from images where id="+getId());\r
+ jCon = ((com.codestudio.sql.PoolManConnectionHandle)con)\r
+ .getNativeConnection();\r
+ lom = ((org.postgresql.Connection)jCon).getLargeObjectAPI();\r
+ if(rs!=null) {\r
+ if (rs.next()) {\r
+ LargeObject lob = lom.open(rs.getInt(1));\r
+ in = (BlobInputStream)lob.getInputStream();\r
+ img_in = new ImageInputStream(in, con, stmt);\r
+ }\r
+ rs.close();\r
+ }\r
+ }\r
+ catch (Exception e) {\r
+ logger.error("EntityImages.getImage failed: "+e.toString());\r
+ e.printStackTrace(logger.asPrintWriter(logger.DEBUG_MESSAGE));\r
+ try {\r
+ con.setAutoCommit(true);\r
+ }\r
+ catch (Exception e2) {\r
+ logger.error("EntityImages.getImage reseting transaction mode failed: " + e2.toString());\r
+ e2.printStackTrace(logger.asPrintWriter(logger.DEBUG_MESSAGE));\r
+ }\r
+\r
+ try {\r
+ theStorageObject.freeConnection(con, stmt);\r
+ }\r
+ catch (Throwable t) {\r
+ }\r
+\r
+ throwStorageObjectFailure(e, "EntityImages -- getImage failed: ");\r
+ }\r
+ //}\r
+ return img_in;\r
+ }\r
+\r
+ public void setImage(InputStream in, String type)\r
+ throws StorageObjectFailure {\r
+\r
+ if (in!=null) {\r
+ java.sql.Connection con=null;PreparedStatement pstmt=null;\r
+ File f = null;\r
+ try {\r
+ logger.debug("EntityImages.settimage :: making internal representation of image");\r
+\r
+ File tempDir = new File(MirPropertiesConfiguration.instance().getString("TempDir"));\r
+ f = File.createTempFile("mir", ".tmp", tempDir);\r
+ FileUtil.write(f, in);\r
+ WebdbImage webdbImage= new WebdbImage(f, type);\r
+ logger.debug("EntityImages.settimage :: made internal representation of image");\r
+\r
+ con = theStorageObject.getPooledCon();\r
+ con.setAutoCommit(false);\r
+ logger.debug("EntityImages.settimage :: trying to insert image");\r
+\r
+ // setting values\r
+ LargeObjectManager lom;\r
+ java.sql.Connection jCon;\r
+ jCon = ((com.codestudio.sql.PoolManConnectionHandle)con)\r
+ .getNativeConnection();\r
+\r
+ lom = ((org.postgresql.Connection) jCon).getLargeObjectAPI();\r
+\r
+ int oidImage = lom.create();\r
+ int oidIcon = lom.create();\r
+ LargeObject lobImage = lom.open(oidImage);\r
+ LargeObject lobIcon = lom.open(oidIcon);\r
+ webdbImage.setImage(lobImage.getOutputStream());\r
+ webdbImage.setIcon(lobIcon.getOutputStream());\r
+ lobImage.close();\r
+ lobIcon.close();\r
+\r
+ setValueForProperty("img_height", new Integer(webdbImage.getImageHeight()).toString());\r
+ setValueForProperty("img_width", new Integer(webdbImage.getImageWidth()).toString());\r
+ setValueForProperty("icon_height", new Integer(webdbImage.getIconHeight()).toString());\r
+ setValueForProperty("icon_width", new Integer(webdbImage.getIconWidth()).toString());\r
+ setValueForProperty("image_data", new Integer(oidImage).toString());\r
+ setValueForProperty("icon_data", new Integer(oidIcon).toString());\r
+ update();\r
+ }\r
+ catch (Exception e) {\r
+ throwStorageObjectFailure(e, "settimage :: setImage gescheitert: ");\r
+ }\r
+ finally {\r
+ try {\r
+ if (con!=null)\r
+ con.setAutoCommit(true);\r
+ // get rid of the temp. file\r
+ f.delete();\r
+ }\r
+ catch (Exception e) {\r
+ }\r
+\r
+ if (con!=null)\r
+ theStorageObject.freeConnection(con,pstmt);\r
+ }\r
+ }\r
+ }\r
+\r
+ /**\r
+ * Takes an OutputStream as an argument and reads in the data\r
+ * from the DB and writes it to the OutputStream.\r
+ *\r
+ * It will also take care of closing the OutputStream.\r
+ */\r
+ public InputStream getIcon() throws StorageObjectFailure\r
+ {\r
+ java.sql.Connection con=null;Statement stmt=null;\r
+ BlobInputStream in=null;ImageInputStream img_in=null;\r
+\r
+ try {\r
+ con = theStorageObject.getPooledCon();\r
+ con.setAutoCommit(false);\r
+ LargeObjectManager lom;\r
+ java.sql.Connection jCon;\r
+ stmt = con.createStatement();\r
+ ResultSet rs = theStorageObject.executeSql(stmt, "select icon_data from images where id="+getId());\r
+ jCon = ((com.codestudio.sql.PoolManConnectionHandle)con)\r
+ .getNativeConnection();\r
+ lom = ((org.postgresql.Connection)jCon).getLargeObjectAPI();\r
+ if(rs!=null) {\r
+ if (rs.next()) {\r
+ LargeObject lob = lom.open(rs.getInt(1));\r
+ in = (BlobInputStream)lob.getInputStream();\r
+ img_in = new ImageInputStream( in, con ,stmt);\r
+ //img_data = rs.getBytes(1);\r
+ }\r
+ rs.close();\r
+ }\r
+ }\r
+ catch (Throwable e) {\r
+ logger.error("EntityImages.getIcon failed: "+e.toString());\r
+ e.printStackTrace(logger.asPrintWriter(logger.DEBUG_MESSAGE));\r
+ try {\r
+ con.setAutoCommit(true);\r
+ }\r
+ catch (Throwable e2) {\r
+ logger.error("EntityImages.getIcon reseting transaction mode failed: " + e2.toString());\r
+ e2.printStackTrace(logger.asPrintWriter(logger.DEBUG_MESSAGE));\r
+ }\r
+\r
+ try {\r
+ theStorageObject.freeConnection(con, stmt);\r
+ }\r
+ catch (Throwable t) {\r
+ }\r
+\r
+ throwStorageObjectFailure(e, "EntityImages -- getIcon failed:");\r
+ }\r
+\r
+ return img_in;\r
+ }\r
+\r
+ /**\r
+ * a small wrapper class that allows us to store the DB connection resources\r
+ * that the BlobInputStream is using and free them upon closing of the stream\r
+ */\r
+ private class ImageInputStream extends InputStream {\r
+\r
+ InputStream _in;\r
+ java.sql.Connection _con;\r
+ Statement _stmt;\r
+\r
+ public ImageInputStream(BlobInputStream in, java.sql.Connection con,\r
+ Statement stmt )\r
+ {\r
+ _in = in;\r
+ _con = con;\r
+ _stmt = stmt;\r
+ }\r
+\r
+ public void close () throws IOException {\r
+ _in.close();\r
+\r
+ try {\r
+ _con.setAutoCommit(true);\r
+ theStorageObject.freeConnection(_con,_stmt);\r
+ }\r
+ catch (Exception e) {\r
+ throw new IOException("close(): "+e.toString());\r
+ }\r
+ }\r
+\r
+ public int read() throws IOException {\r
+ return _in.read();\r
+ }\r
+\r
+ }\r
+}\r
projects / mir.git / blobdiff