-package mircoders.storage;
-
-import java.lang.*;
-import java.sql.*;
-import java.io.*;
-import java.util.*;
+/*
+ * Copyright (C) 2001, 2002 The Mir-coders group
+ *
+ * This file is part of Mir.
+ *
+ * Mir is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * Mir is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Mir; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * In addition, as a special exception, The Mir-coders gives permission to link
+ * the code of this program with any library licensed under the Apache Software License,
+ * The Sun (tm) Java Advanced Imaging library (JAI), The Sun JIMI library
+ * (or with modified versions of the above that use the same license as the above),
+ * and distribute linked combinations including the two. You must obey the
+ * GNU General Public License in all respects for all of the code used other than
+ * the above mentioned libraries. If you modify this file, you may extend this
+ * exception to your version of the file, but you are not obligated to do so.
+ * If you do not wish to do so, delete this exception statement from your version.
+ */
-import freemarker.template.*;
+package mircoders.storage;
-import mir.storage.*;
-import mir.entity.*;
-import mir.misc.*;
+import java.sql.Connection;
+import java.sql.Statement;
+import java.util.ArrayList;
-import mircoders.entity.*;
+import mir.entity.EntityList;
+import mir.log.LoggerWrapper;
+import mir.storage.Database;
+import mir.storage.DatabaseFailure;
+import mircoders.entity.EntityUploadedMedia;
/**
- * <b>Diese Klasse implementiert die Datenbankverbindung zur MetaObjekt-Tabelle
+ * <b>implements abstract DB connection to the content_x_media SQL table
*
+ * @author RK, mir-coders group
+ * @version $Id: DatabaseContentToMedia.java,v 1.19.2.10 2005/03/26 11:26:28 zapata Exp $
*
*/
-public class DatabaseContentToMedia extends Database implements StorageObject{
+public class DatabaseContentToMedia extends Database {
private static DatabaseContentToMedia instance;
- public static DatabaseContentToMedia getInstance()
- throws StorageObjectException {
+ public synchronized static DatabaseContentToMedia getInstance() {
if (instance == null) {
instance = new DatabaseContentToMedia();
- instance.myselfDatabase = instance;
}
return instance;
}
- private DatabaseContentToMedia()
- throws StorageObjectException {
-
+ private DatabaseContentToMedia() {
super();
- this.hasTimestamp = false;
- this.theTable="content_x_media";
- }
-
- /**
- * get all the media-files belonging to a content entity
- *
- */
- public EntityList getMedia(EntityContent content) {
- EntityList returnList=null;
- if (content != null) {
- // get all to_topic from media_x_topic
- String id = content.getId();
- //this is not supported by mysql
- String subselect = "id in (select media_id from " + theTable + " where content_id=" + id+")";
- try {
- returnList = DatabaseMedia.getInstance().selectByWhereClause(subselect,-1);
- } catch (Exception e) {
- theLog.printDebugInfo("-- get media failed " + e.toString());
- }
- }
- return returnList;
+ logger = new LoggerWrapper("Database.ContentToMedia");
+ mainTable = "content_x_media";
+ entityClass = mir.entity.GenericEntity.class;
}
-
- /**
- * get all the images belonging to a content entity
- *
- */
- public EntityList getImages(EntityContent content) {
- EntityList returnList=null;
- if (content != null) {
- // get all to_topic from media_x_topic
- String id = content.getId();
- //this is not supported by mysql
- String subselect = "id in (select media_id from " + theTable + " where content_id=" + id+")";
- try {
- returnList = DatabaseImages.getInstance().selectByWhereClause(subselect,-1);
- } catch (Exception e) {
- theLog.printDebugInfo("-- get images failed " + e.toString());
- }
+ public void addMedia(String contentId, String mediaId) throws
+ DatabaseFailure {
+ if (contentId == null && mediaId == null) {
+ return;
}
- return returnList;
- }
+ Connection con = null;
+ Statement stmt = null;
+ //now insert
- public void setMedia(String contentId, String[] mediaId) {
- if (contentId == null){
- return;
- }
- if (mediaId==null || mediaId[0]==null) {
- return;
- }
- //first delete all row with content_id=contentId
- String sql = "delete from "+ theTable +" where content_id=" + contentId;
-
- Connection con=null;Statement stmt=null;
+ String sql = "insert into " + mainTable + " (content_id,media_id) values ("
+ + contentId + "," + mediaId + ")";
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
- ResultSet rs = executeSql(stmt,sql);
- } catch (Exception e) {
- theLog.printDebugInfo("-- set media failed -- delete");
- } finally {
- freeConnection(con,stmt);
+ int rs = executeUpdate(stmt, sql);
}
-
- //now insert
- //first delete all row with content_id=contentId
- for (int i=0;i<mediaId.length;i++) {
- sql = "insert into "+ theTable +" (content_id,media_id) values ("
- + contentId + "," + mediaId[i] + ")";
- try {
- con = getPooledCon();
- // should be a preparedStatement because is faster
- stmt = con.createStatement();
- int rs = executeUpdate(stmt,sql);
- } catch (Exception e) {
- theLog.printDebugInfo("-- set topics failed -- insert");
- } finally {
- freeConnection(con,stmt);
- }
+ catch (Exception e) {
+ logger.error("-- add media failed -- insert");
+ throw new DatabaseFailure("-- add media failed -- insert ", e);
}
- }
-
- public void addMedia(String contentId, String mediaId) {
- if (contentId == null && mediaId == null) {
- return;
- }
-
- Connection con=null;Statement stmt=null;
- //now insert
-
- String sql = "insert into "+ theTable +" (content_id,media_id) values ("
- + contentId + "," + mediaId + ")";
- try {
- con = getPooledCon();
- // should be a preparedStatement because is faster
- stmt = con.createStatement();
- int rs = executeUpdate(stmt,sql);
- } catch (Exception e) {
- theLog.printDebugInfo("-- add media failed -- insert");
- } finally {
- freeConnection(con,stmt);
+ finally {
+ freeConnection(con, stmt);
}
}
-
- public void setMedia(String contentId, String mediaId) {
+
+ public void setMedia(String contentId, String mediaId) throws
+ DatabaseFailure {
if (contentId == null && mediaId == null) {
return;
}
//first delete all row with content_id=contentId
- String sql = "delete from "+ theTable +" where content_id=" + contentId;
+ String sql = "delete from " + mainTable + " where content_id=" + contentId;
- Connection con=null;Statement stmt=null;
+ Connection con = null;
+ Statement stmt = null;
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
- int rs = executeUpdate(stmt,sql);
- } catch (Exception e) {
- theLog.printDebugInfo("-- set media failed -- delete");
- } finally {
- freeConnection(con,stmt);
+ int rs = executeUpdate(stmt, sql);
+ }
+ catch (Exception e) {
+ logger.error("-- set media failed -- delete");
+ throw new DatabaseFailure("-- set media failed -- delete ", e);
+ }
+ finally {
+ freeConnection(con, stmt);
}
//now insert
//first delete all row with content_id=contentId
- sql = "insert into "+ theTable +" (content_id,media_id) values ("
- + contentId + "," + mediaId + ")";
+ sql = "insert into " + mainTable + " (content_id,media_id) values ("
+ + contentId + "," + mediaId + ")";
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
- int rs = executeUpdate(stmt,sql);
- } catch (Exception e) {
- theLog.printDebugInfo("-- set media failed -- insert");
- } finally {
- freeConnection(con,stmt);
+ int rs = executeUpdate(stmt, sql);
+ }
+ catch (Exception e) {
+ logger.error("-- set media failed -- insert");
+ throw new DatabaseFailure("-- set media failed -- insert ", e);
+ }
+ finally {
+ freeConnection(con, stmt);
}
}
- public void deleteByContentId(String contentId) {
+ public void deleteByContentId(String contentId) throws DatabaseFailure {
if (contentId == null) {
//theLog.printDebugInfo("-- delete topics failed -- no content id");
return;
}
//delete all row with content_id=contentId
- String sql = "delete from "+ theTable +" where content_id=" + contentId;
+ String sql = "delete from " + mainTable + " where content_id=" + contentId;
- Connection con=null;Statement stmt=null;
+ Connection con = null;
+ Statement stmt = null;
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
- int rs = executeUpdate(stmt,sql);
- } catch (Exception e) {
- //theLog.printDebugInfo("-- delete topics failed ");
- } finally {
- freeConnection(con,stmt);
+ int rs = executeUpdate(stmt, sql);
+ }
+ catch (Exception e) {
+ logger.error("-- delete by contentId failed ");
+ throw new DatabaseFailure(
+ "-- delete by content id failed -- delete ", e);
+ }
+ finally {
+ freeConnection(con, stmt);
}
}
- public void deleteByMediaId(String mediaId) {
+ public void deleteByMediaId(String mediaId) throws DatabaseFailure {
+
if (mediaId == null) {
//theLog.printDebugInfo("-- delete topics failed -- no topic id");
return;
}
//delete all row with content_id=contentId
- String sql = "delete from "+ theTable +" where media_id=" + mediaId;
+ String sql = "delete from " + mainTable + " where media_id=" + mediaId;
- Connection con=null;Statement stmt=null;
+ Connection con = null;
+ Statement stmt = null;
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
- int rs = executeUpdate(stmt,sql);
- theLog.printDebugInfo("-- delete media success ");
- } catch (Exception e) {
- theLog.printDebugInfo("-- delete media failed ");
- } finally {
- freeConnection(con,stmt);
+ int rs = executeUpdate(stmt, sql);
+ logger.debug("-- delete media success ");
+ }
+ catch (Exception e) {
+ logger.error("-- delete media failed ");
+ throw new DatabaseFailure("-- delete by media id failed -- ", e);
+ }
+ finally {
+ freeConnection(con, stmt);
}
}
-
- public void delete(String contentId, String mediaId) {
- if (mediaId == null || contentId==null) {
- theLog.printDebugInfo("-- delete media failed -- missing parameter");
+
+ public void delete(String contentId, String mediaId) throws
+ DatabaseFailure {
+ if (mediaId == null || contentId == null) {
+ logger.debug("-- delete media failed -- missing parameter");
return;
}
//delete all row with content_id=contentId and media_id=mediaId
- String sql = "delete from "+ theTable +" where media_id=" + mediaId + " and content_id= "+contentId;
+ String sql = "delete from " + mainTable + " where media_id=" + mediaId +
+ " and content_id= " + contentId;
- Connection con=null;Statement stmt=null;
+ Connection con = null;
+ Statement stmt = null;
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
- int rs = executeUpdate(stmt,sql);
- theLog.printDebugInfo("-- delete content_x_media success ");
- } catch (Exception e) {
- theLog.printDebugInfo("-- delete content_x_media failed ");
- } finally {
- freeConnection(con,stmt);
+ int rs = executeUpdate(stmt, sql);
+ logger.debug("-- delete content_x_media success ");
+ }
+ catch (Exception e) {
+ logger.error("-- delete content_x_media failed ");
+ throw new DatabaseFailure("-- delete content_x_media failed -- ", e);
+ }
+ finally {
+ freeConnection(con, stmt);
}
}
+ public EntityList getContent(EntityUploadedMedia media) throws
+ DatabaseFailure {
- public EntityList getContent(EntityMedia media) {
- EntityList returnList=null;
+ EntityList returnList = null;
if (media != null) {
+
String id = media.getId();
- String select = "select content_id from " + theTable + " where media_id=" + id;
+ ArrayList extraTables = new ArrayList();
+ extraTables.add(mainTable + " cxm");
- // execute select statement
- Connection con=null;Statement stmt=null;
+ String mediaSelect = "cxm.content_id=c.id and cxm.media_id="+id;
try {
- con = getPooledCon();
- // should be a preparedStatement because is faster
- stmt = con.createStatement();
- ResultSet rs = executeSql(stmt,select);
- if (rs!=null) {
- String mediaSelect= "id IN (";
- boolean first=true;
- while (rs.next()) {
- if (first==false) mediaSelect+=",";
- mediaSelect += rs.getString(1);
- first=false;
- }
- mediaSelect+=")";
- if (first==false)
- returnList = DatabaseContent.getInstance().selectByWhereClause(mediaSelect,-1);
- }
+ returnList = DatabaseContent.getInstance().selectByWhereClause("c",
+ extraTables, mediaSelect, "c.id" );
+
+ }
+ catch (Exception e) {
+ logger.error("-- get content failed");
+ throw new DatabaseFailure("-- get content failed -- ", e);
}
- catch (Exception e) {theLog.printDebugInfo("-- get content failed");}
- finally { freeConnection(con,stmt);}
}
return returnList;
}
-
-/**
- * Returns a EntityList with all content-objects having a relation to a media
- */
-
-public EntityList getContent() {
- EntityList returnList=null;
-
- String select = "select distinct content_id from " + theTable;
- // execute select statement
- Connection con=null;Statement stmt=null;
+
+ /**
+ * Returns a EntityList with all content-objects having a relation to a media
+ */
+
+ public EntityList getContent() throws DatabaseFailure {
+
+ EntityList returnList = null;
+
+ ArrayList extraTables = new ArrayList();
+ extraTables.add(mainTable + " cxm");
+
+ String mediaSelect = "cxm.content_id=c.id";
try {
- con = getPooledCon();
- // should be a preparedStatement because is faster
- stmt = con.createStatement();
- ResultSet rs = executeSql(stmt,select);
- if (rs!=null) {
- String mediaSelect= "id IN (";
- boolean first=true;
- while (rs.next()) {
- if (first==false) mediaSelect+=",";
- mediaSelect += rs.getString(1);
- first=false;
- }
- mediaSelect+=")";
- if (first==false)
- returnList = DatabaseContent.getInstance().selectByWhereClause(mediaSelect,"webdb_lastchange desc");
- }
- }
- catch (Exception e) {theLog.printDebugInfo("-- get content failed");}
- finally { freeConnection(con,stmt);}
+ returnList = DatabaseContent.getInstance().selectByWhereClause("c",
+ extraTables, mediaSelect, "c.webdb_lastchange desc" );
+ }
+ catch (Exception e) {
+ logger.error("-- get content failed");
+ throw new DatabaseFailure("-- get content failed -- ", e);
+ }
return returnList;
}
projects / mir.git / blobdiff