-package mircoders.entity;
-
-import java.lang.*;
-import java.io.*;
-import java.util.*;
-import java.sql.*;
-
-import freemarker.template.*;
+/*
+ * 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 mir.entity.*;
-import mir.misc.*;
-import mir.storage.*;
+package mircoders.entity;
-import mircoders.storage.*;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.sql.Statement;
+import java.util.HashMap;
+import java.util.Map;
+
+import mir.entity.Entity;
+import mir.entity.EntityList;
+import mir.log.LoggerWrapper;
+import mir.storage.StorageObject;
+import mir.storage.StorageObjectExc;
+import mir.storage.StorageObjectFailure;
+import mircoders.storage.DatabaseContent;
+import mircoders.storage.DatabaseContentToMedia;
+import mircoders.storage.DatabaseContentToTopics;
+import freemarker.template.SimpleScalar;
+import freemarker.template.TemplateModel;
+import freemarker.template.TemplateModelException;
/**
* this class implements mapping of one line of the database table content
* to a java object
*
- * @author RK
- * @version 2001
+ * @version $Id: EntityContent.java,v 1.19 2003/04/21 12:42:54 idfx Exp $
+ * @author mir-coders group
+ *
*/
public class EntityContent extends Entity
{
- private static int instances;
+ String mirconf_extLinkName = configuration.getString("Producer.ExtLinkName");
+ String mirconf_intLinkName = configuration.getString("Producer.IntLinkName");
+ String mirconf_mailLinkName = configuration.getString("Producer.MailLinkName");
+ String mirconf_imageRoot = configuration.getString("Producer.ImageRoot");
- // constructors
+ //this should always be transient i.e it can never be stored in the db
+ //or ObjectStore. (so the ObjectStore should only be caching what comes
+ //directly out of the DB. @todo confirm this with rk. -mh
+ Map _entCache = new HashMap();
+ Boolean _hasMedia = null;
- public EntityContent()
- {
- super();
- instances++;
- //content_data is now filed-type "text"
- //streamedInput = new ArrayList();
- //streamedInput.add("content_data");
- }
+ // constructors
- public EntityContent(StorageObject theStorage) {
- this();
- setStorage(theStorage);
- }
+ public EntityContent()
+ {
+ super();
+
+ logger = new LoggerWrapper("Entity.Content");
+ }
+
+ public EntityContent(StorageObject theStorage) {
+ this();
+
+ setStorage(theStorage);
+ }
+
+ //
+ // methods
+
+ /**
+ * set is_produced flag for the article
+ */
- public void finalize() {
- instances--;
- super.finalize();
+ public void setProduced(boolean yesno) throws StorageObjectFailure
+ {
+ String value = (yesno) ? "1":"0";
+ if (value.equals( getValue("is_produced") )) return;
+
+ Connection con=null;Statement stmt=null;
+ String sql = "update content set is_produced='" + value + "' where id='" + getId()+"'";
+ try {
+ con = theStorageObject.getPooledCon();
+ /** @todo should be preparedStatement: faster!! */
+ stmt = con.createStatement();
+ theStorageObject.executeUpdate(stmt,sql);
+ }
+ catch (StorageObjectFailure e) {
+ throwStorageObjectFailure(e, "\n -- set produced failed");
+ }
+ catch (SQLException e) {
+ throwStorageObjectFailure(e, "\n -- set produced failed");
+ }
+ finally {
+ theStorageObject.freeConnection(con,stmt);
+ }
}
- //
- // methods
-
- /**
- * set is_produced flag for the article
- */
-
- public void setProduced(boolean yesno)
- {
- Connection con=null;Statement stmt=null;
- String value = (yesno) ? "1":"0";
- String sql = "update content set is_produced='" + value + "' where id='" + getId()+"'";
- try {
- con = theStorageObject.getPooledCon();
- /** @todo should be preparedStatement: faster!! */
- stmt = con.createStatement();
- theStorageObject.executeUpdate(stmt,sql);
- } catch (StorageObjectException e) {
- theLog.printDebugInfo(e.toString() + "\n -- set produced failed");
- } catch (SQLException e) {
- theLog.printDebugInfo(e.toString() + "\n -- set produced failed");
- } finally {
- theStorageObject.freeConnection(con,stmt);
- }
- }
-
-
- /**
- * make openposting to newswire
- */
-
- public void newswire()
- {
- String sql = "update content set to_article_type='1', is_produced='0' where id='" + getId()+"'";
- try {
- theStorageObject.executeUpdate(sql);
- } catch (StorageObjectException e) {
- theLog.printError(e.toString() + "newswire failed");
- } catch (SQLException e) {
- theLog.printError(e.toString() + "newswire failed");
- }
- }
-
-
- /**
- * dettach from media
- */
-
- public void dettach(String cid,String mid)
- {
- if (mid!=null){
- try{
- DatabaseContentToMedia.getInstance().delete(cid,mid);
- } catch (Exception e){
- theLog.printError("failed to get instance");
- }
- //set Content to unproduced
- setProduced(false);
- }
- }
-
- /**
- * attach to media
- */
-
- public void attach(String mid)
- {
- if (mid!=null) {
- //write media-id mid and content-id in table content_x_media
- try{
- DatabaseContentToMedia.getInstance().addMedia(getId(),mid);
- } catch(StorageObjectException e){
- theLog.printError("attach: could not get the instance");
- }
- //set Content to unproduced
- setProduced(false);
- } else {
- theLog.printError("EntityContent: attach without mid");
- }
- }
-
- /**
- * overridden method getValue to include formatted date into every
- * entityContent
- */
-
- public String getValue(String field)
+ /**
+ * Deattaches media from an article
+ *
+ * @param anArticleId
+ * @param aMediaId
+ * @throws StorageObjectFailure
+ */
+ public void dettach(String anArticleId, String aMediaId) throws StorageObjectFailure
{
- if (field!=null && field.equals("date_formatted"))
- {
- if (hasValueForField("date"))
- return StringUtil.webdbDate2readableDate(getValue("date"));
- else return null;
- }
- else
- return super.getValue(field);
- }
-
- /**
- * overridden method setValues to patch creator_main_url
- */
- public void setValues(HashMap theStringValues) {
- if (theStringValues != null) {
- if (theStringValues.containsKey("creator_main_url")){
- if (((String)theStringValues.get("creator_main_url")).equalsIgnoreCase("http://")){
- theStringValues.remove("creator_main_url");
- } else if (!((String)theStringValues.get("creator_main_url")).startsWith("http://")){
+ if (aMediaId!=null){
+ try{
+ DatabaseContentToMedia.getInstance().delete(anArticleId, aMediaId);
+ }
+ catch (Exception e){
+ throwStorageObjectFailure(e, "\n -- failed to get instance");
+ }
+
+ setProduced(false);
+ }
+ }
+
+ /**
+ * Attaches media to an article
+ *
+ * @param mid
+ * @throws StorageObjectFailure
+ */
+
+ public void attach(String aMediaId) throws StorageObjectFailure
+ {
+ if (aMediaId!=null) {
+ try{
+ DatabaseContentToMedia.getInstance().addMedia(getId(),aMediaId);
+ }
+ catch(StorageObjectFailure e){
+ throwStorageObjectFailure(e, "attach: could not get the instance");
+ }
+ setProduced(false);
+ }
+ else {
+ logger.error("EntityContent: attach without mid");
+ }
+ }
+
+ /**
+ * overridden method getValue to include formatted date into every
+ * entityContent
+ */
+
+ public TemplateModel get(java.lang.String key) throws TemplateModelException
+ {
+ if (key!=null) {
+ if (_entCache.containsKey(key)) {
+ return (TemplateModel)_entCache.get(key);
+ }
+ if (key.equals("to_comments")) {
+ try {
+ _entCache.put(key, getComments());
+ return (TemplateModel)_entCache.get(key);
+ }
+ catch (Exception ex) {
+ logger.warn("EntityContent.getComments: could not fetch data " + ex.toString());
+
+ throw new TemplateModelException(ex.toString());
+ }
+ }
+ if (key.equals("to_media_images")) {
+ try {
+ _entCache.put(key, getImagesForContent());
+ return (TemplateModel)_entCache.get(key);
+ }
+ catch (Exception ex) {
+ logger.warn("EntityContent.getImagesForContent: could not fetch data " + ex.toString());
+ throw new TemplateModelException(ex.toString());
+ }
+ }
+ if (key.equals("to_media_audio")) {
+ try {
+ _entCache.put(key, getAudioForContent());
+ return (TemplateModel)_entCache.get(key);
+ }
+ catch (Exception ex) {
+ logger.warn("EntityContent.getAudioForContent: could not fetch data " + ex.toString());
+ throw new TemplateModelException(ex.toString());
+ }
+ }
+ if (key.equals("to_media_video")) {
+ try {
+ _entCache.put(key, getVideoForContent());
+ return (TemplateModel)_entCache.get(key);
+ }
+ catch (Exception ex) {
+ logger.warn("EntityContent.getVideoForContent: could not fetch data " + ex.toString());
+ throw new TemplateModelException(ex.toString());
+ }
+ }
+ if (key.equals("to_media_other")) {
+ try {
+ _entCache.put(key, getOtherMediaForContent());
+ return (TemplateModel)_entCache.get(key);
+ }
+ catch (Exception ex) {
+ logger.warn("EntityContent.getOtherMediaForContent: could not fetch data " + ex.toString());
+ throw new TemplateModelException(ex.toString());
+ }
+ }
+ else if (key.equals("to_topics")) {
+ try {
+ _entCache.put(key,
+ DatabaseContentToTopics.getInstance().getTopics(this));
+ return (TemplateModel)_entCache.get(key);
+ }
+ catch (Exception ex) {
+ logger.warn("EntityContent.getTopics: could not fetch data " + ex.toString());
+ throw new TemplateModelException(ex.toString());
+ }
+ }
+ else {
+ return new SimpleScalar(getValue(key));
+ }
+
+ }
+ return null;
+ }
+
+ /**
+ * overridden method setValues to patch creator_main_url
+ */
+ public void setValues(Map theStringValues) {
+ if (theStringValues != null) {
+ if (theStringValues.containsKey("creator_main_url")){
+ if (((String)theStringValues.get("creator_main_url")).equalsIgnoreCase("http://")){
+ theStringValues.remove("creator_main_url");
+ }
+ else if (!((String)theStringValues.get("creator_main_url")).startsWith("http://")){
theStringValues.put("creator_main_url","http://"+((String)theStringValues.get("creator_main_url")));
}
}
- }
- super.setValues(theStringValues);
- }
-
- /**
- * return the content_data as string
- * is obsolete, because content_data is now sql-type text
-
- public String getContentData()
- {
- Connection con=null;Statement stmt=null;
- byte[] content_data=null;
-
- try {
- con = theStorageObject.getPooledCon();
- con.setAutoCommit(false);
- stmt = con.createStatement();
- ResultSet rs = theStorageObject.executeSql(stmt,"select content_data from content where id="+getId());
- if(rs!=null) {
- if (rs.next()) {
- content_data = rs.getBytes(1);
- }
- rs.close();
- }
- }
- catch (Exception e) {theLog.printError("EntityContent :: getContent failed! "+e.toString());}
- finally {
- try {con.setAutoCommit(true); } catch (Exception e) {;}
- theStorageObject.freeConnection(con,stmt); }
-
- return StringUtil.encodeHtml(StringUtil.unquote( new String(content_data) ));
- }
-*/
-
- /**
- * fetches all the comments belonging to an article
- *
- * @return freemarker.template.SimpleList
- */
- public SimpleList getComments() {
- return ((DatabaseContent)theStorageObject).getComments(this);
- }
+ }
+ super.setValues(theStringValues);
+ }
+
+ /**
+ * fetches all the comments belonging to an article
+ *
+ * @return freemarker.template.SimpleList
+ */
+ private EntityList getComments() throws StorageObjectFailure {
+ return ((DatabaseContent)theStorageObject).getComments(this);
+ }
+
+ private boolean hasMedia() throws StorageObjectFailure
+ {
+ if (_hasMedia == null) {
+ try {
+ _hasMedia =
+ new Boolean(DatabaseContentToMedia.getInstance().hasMedia(this));
+ } catch (StorageObjectExc e) {
+ throw new StorageObjectFailure(e);
+ }
+ }
+ return _hasMedia.booleanValue();
+ }
+
+ //######## @todo all of the following getBlahForContent should have
+ // and optimized version where LIMIT=1 sql for list view.
+ private EntityList getImagesForContent()
+ throws StorageObjectFailure, TemplateModelException
+ {
+ if (hasMedia())
+ return DatabaseContentToMedia.getInstance().getImages(this);
+ else
+ return null;
+ }
+
+ private EntityList getAudioForContent()
+ throws StorageObjectFailure, TemplateModelException
+ {
+ if (hasMedia())
+ return DatabaseContentToMedia.getInstance().getAudio(this) ;
+ else
+ return null;
+ }
+
+ private EntityList getVideoForContent()
+ throws StorageObjectFailure, TemplateModelException
+ {
+ if (hasMedia())
+ return DatabaseContentToMedia.getInstance().getVideo(this) ;
+ else
+ return null;
+ }
+ private EntityList getOtherMediaForContent()
+ throws StorageObjectFailure, TemplateModelException
+ {
+ if (hasMedia())
+ return DatabaseContentToMedia.getInstance().getOther(this);
+ else
+ return null;
+ }
}