/*
- * Copyright (C) 2001, 2002 The Mir-coders group
+ * Copyright (C) 2001, 2002 The Mir-coders group
*
* This file is part of Mir.
*
* 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 the com.oreilly.servlet library, 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.
+ * 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.
*/
package mircoders.storage;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
+import java.util.Vector;
import mir.entity.EntityList;
import mir.log.LoggerWrapper;
* <b>implements abstract DB connection to the content_x_media SQL table
*
* @author RK, mir-coders group
- * @version $Id: DatabaseContentToMedia.java,v 1.17 2003/04/09 02:06:10 zapata Exp $
+ * @version $Id: DatabaseContentToMedia.java,v 1.19.2.6 2004/11/21 22:07:14 zapata Exp $
*
*/
private static DatabaseContentToMedia instance;
- public static DatabaseContentToMedia getInstance() {
+ public synchronized static DatabaseContentToMedia getInstance() {
if (instance == null) {
- synchronized (DatabaseContentToMedia.class) {
- if (instance == null) {
- instance = new DatabaseContentToMedia();
- instance.myselfDatabase = instance;
- }
- }
+ instance = new DatabaseContentToMedia();
}
return instance;
}
super();
logger = new LoggerWrapper("Database.ContentToMedia");
-
hasTimestamp = false;
- theTable = "content_x_media";
+ mainTable = "content_x_media";
theEntityClass = mir.entity.GenericEntity.class;
}
- /**
- * get all the media-files belonging to a content entity
- *
- */
- public EntityList getMedia(EntityContent content) throws StorageObjectFailure {
- EntityList returnList = null;
- if (content != null) {
- // get all to_topic from media_x_topic
- String id = content.getId();
- String subselect = "id in (select media_id from " + theTable +
- " where content_id=" + id + ")";
-
- try {
- // media should stay in uploaded order. this is especially important
- // for photo stories which require a specific chronologic order.
- // this is why we have the the second parameter "id"
- returnList = DatabaseMedia.getInstance().selectByWhereClause(subselect,
- "id", -1);
- }
- catch (Throwable e) {
- logger.debug("-- get media failed " + e.toString());
- throw new StorageObjectFailure("-- get media failed ", e);
- }
- }
- return returnList;
- }
-
public boolean hasMedia(EntityContent content) throws StorageObjectFailure,
StorageObjectExc {
if (content != null) {
try {
- if (selectByWhereClause("content_id=" + content.getId(), -1).size() ==
- 0)
- return false;
- else
- return true;
+ return (getSize("content_id=" + content.getId()) == 0) ? false:true;
}
catch (Exception e) {
logger.error("DatabaseContentToMedia.hasMedia: " + e.toString());
}
}
- /**
- * get all the audio belonging to a content entity
- *
- */
- public EntityList getAudio(EntityContent content) throws StorageObjectFailure {
+ private EntityList getMultiMediaForContent(StorageObject store, EntityContent content)
+ throws StorageObjectFailure {
+
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 {
+ Vector extraTable = new Vector();
+ extraTable.add(mainTable+" cxm");
// media should stay in uploaded order. this is especially important
// for photo stories which require a specific chronologic order.
// this is why we have the the second parameter "id"
- returnList = DatabaseAudio.getInstance().selectByWhereClause(subselect,
- "id", -1);
- }
- catch (Exception e) {
- logger.error("DatabaseContentToMedia.getAudio: " + e.toString());
- throw new StorageObjectFailure("DatabaseContentToMedia.getAudio: " +
- e.toString(), e);
+ store.selectByWhereClause("m", extraTable,
+ "m.id=cxm.media_id and cxm.content_id="+id, "id", -1, -1);
+
+ } catch (Exception e) {
+ logger.error("DatabaseContentToMedia.getMultiMediaForContent: " + e.toString());
+ throw new StorageObjectFailure("DatabaseContentToMedia.etMultiMediaForContent: " +
+ e.toString(), e);
}
}
return returnList;
}
/**
+ * get all the audio belonging to a content entity
+ */
+ public EntityList getAudio(EntityContent content) throws StorageObjectFailure {
+ return getMultiMediaForContent(DatabaseAudio.getInstance(), content);
+ }
+
+ /**
* get all the video belonging to a content entity
- *
*/
public EntityList getVideo(EntityContent content) throws StorageObjectFailure {
- 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 {
- // media should stay in uploaded order. this is especially important
- // for photo stories which require a specific chronologic order.
- // this is why we have the the second parameter "id"
- returnList = DatabaseVideo.getInstance().selectByWhereClause(subselect,
- "id", -1);
- }
- catch (Exception e) {
- logger.error("DatabaseContentToMedia.getVideo: " + e.toString());
- throw new StorageObjectFailure("DatabaseContentToMedia.getVideo: " +
- e.toString(), e);
- }
- }
- return returnList;
+ return getMultiMediaForContent(DatabaseVideo.getInstance(), content);
}
/**
* get all the images belonging to a content entity
- *
*/
- public EntityList getImages(EntityContent content) throws
- StorageObjectFailure {
- 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 {
- // media should stay in uploaded order. this is especially important
- // for photo stories which require a specific chronologic order.
- // this is why we have the the second parameter "id"
- returnList = DatabaseImages.getInstance().selectByWhereClause(subselect,
- "id", -1);
- }
- catch (Exception e) {
- logger.error("DatabaseContentToMedia.getImages: " + e.toString());
- throw new StorageObjectFailure("DatabaseContentToMedia.getImages: " +
- e.toString(), e);
- }
- }
- return returnList;
+ public EntityList getImages(EntityContent content) throws StorageObjectFailure {
+ return getMultiMediaForContent(DatabaseImages.getInstance(), content);
}
/**
* get all the uploaded/other Media belonging to a content entity
- *
*/
public EntityList getOther(EntityContent content) throws StorageObjectFailure {
- /** @todo this should only fetch published media / rk */
-
- 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 {
- // media should stay in uploaded order. this is especially important
- // for photo stories which require a specific chronologic order.
- // this is why we have the the second parameter "id"
- returnList = DatabaseOther.getInstance().selectByWhereClause(subselect,
- "id");
- }
- catch (Exception e) {
- logger.error("DatabaseContentToMedia.getOther: " + e.toString());
- throw new StorageObjectFailure("DatabaseContentToMedia.getOther: " + e.toString(), e);
- }
- }
- return returnList;
+ return getMultiMediaForContent(DatabaseOther.getInstance(), content);
}
/**
* get all the uploaded/other Media belonging to a content entity
- *
*/
- public EntityList getUploadedMedia(EntityContent content) throws
- StorageObjectFailure {
- /** @todo this should only fetch published media / rk */
-
- 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 = DatabaseUploadedMedia.getInstance().selectByWhereClause(
- subselect,
- "id");
- }
- catch (Exception e) {
- logger.error("DatabaseContentToMedia.getUploadedMedia: " + e.toString());
- throw new StorageObjectFailure(
- "DatabaseContentToMedia.getUploadedMedia: " + e.toString(), e);
- }
- }
- return returnList;
+ public EntityList getUploadedMedia(EntityContent content) throws StorageObjectFailure {
+ return getMultiMediaForContent(DatabaseUploadedMedia.getInstance(), content);
}
- public void setMedia(String contentId, String[] mediaId) throws
- StorageObjectFailure {
- if (contentId == null) {
- return;
- }
- if (mediaId == null || mediaId[0] == null) {
+
+ public void setMedia(String contentId, String[] mediaId) throws StorageObjectFailure {
+ if (contentId == null || mediaId == null || mediaId[0] == 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;
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
ResultSet rs = executeSql(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 ("
+ sql = "insert into " + mainTable + " (content_id,media_id) values ("
+ contentId + "," + mediaId[i] + ")";
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
int rs = executeUpdate(stmt, sql);
Statement stmt = null;
//now insert
- String sql = "insert into " + theTable + " (content_id,media_id) values ("
+ 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();
int rs = executeUpdate(stmt, sql);
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;
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
int rs = executeUpdate(stmt, sql);
//now insert
//first delete all row with content_id=contentId
- sql = "insert into " + theTable + " (content_id,media_id) values ("
+ 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);
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;
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
int rs = executeUpdate(stmt, sql);
}
public void deleteByMediaId(String mediaId) throws StorageObjectFailure {
+
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;
try {
- con = getPooledCon();
+ con = obtainConnection();
// should be a preparedStatement because is faster
stmt = con.createStatement();
int rs = executeUpdate(stmt, sql);
return;
}
//delete all row with content_id=contentId and media_id=mediaId
- String sql = "delete from " + theTable + " where media_id=" + mediaId +
+ String sql = "delete from " + mainTable + " where media_id=" + mediaId +
" and content_id= " + contentId;
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);
public EntityList getContent(EntityUploadedMedia media) throws
StorageObjectFailure {
+
EntityList returnList = null;
if (media != null) {
+
String id = media.getId();
- String select = "select content_id from " + theTable + " where media_id=" +
- id;
+ Vector extraTables = new Vector();
+ 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 StorageObjectFailure("-- get content failed -- ", e);
}
- finally {
- freeConnection(con, stmt);
- }
}
return returnList;
}
*/
public EntityList getContent() throws StorageObjectFailure {
+
EntityList returnList = null;
- String select = "select distinct content_id from " + theTable;
- // execute select statement
- Connection con = null;
- Statement stmt = null;
+ Vector extraTables = new Vector();
+ 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");
- }
+ returnList = DatabaseContent.getInstance().selectByWhereClause("c",
+ extraTables, mediaSelect, "c.webdb_lastchange desc" );
+
}
catch (Exception e) {
logger.error("-- get content failed");
throw new StorageObjectFailure("-- get content failed -- ", e);
}
- finally {
- freeConnection(con, stmt);
- }
-
return returnList;
}
projects / mir.git / blobdiff