/*
- * 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.module;
-import mir.entity.EntityList;
import mir.log.LoggerWrapper;
import mir.module.AbstractModule;
-import mir.module.ModuleExc;
-import mir.module.ModuleFailure;
import mir.storage.StorageObject;
+import mir.util.JDBCStringRoutines;
+import mircoders.global.*;
-/*
- * ContentObjekt -
- *
- * @version $Id: ModuleContent.java,v 1.18 2003/03/09 19:14:21 idfx Exp $
- *
- * @author RK, mir-coders
+/**
*
+ * <p>Title: ModuleContent</p>
+ * <p>Description: helper routines to manage articles</p>
+ * <p>Copyright: Copyright (c) 2003</p>
+ * <p>Company: </p>
+ * @author not attributable
+ * @version 1.0
*/
public class ModuleContent extends AbstractModule
super();
}
- public ModuleContent(StorageObject theStorage) {
- this.theStorage = theStorage;
+ public ModuleContent(StorageObject aStorage) {
+ storage = aStorage;
}
-//
-// various methods to retrieve content entities
-
-// public EntityList getFeatures(int offset, int limit) throws ModuleExc, ModuleFailure {
-// return getContent("is_published=true AND to_article_type=2", "webdb_create desc",
-// offset, limit);
-// }
-
-// public EntityList getNewsWire(int offset, int limit) throws ModuleExc, ModuleFailure {
-// return getContent("is_published=true AND to_article_type = 1",
-// "webdb_create desc",offset,limit);
-// }
-
-// public EntityList getStartArticle() throws ModuleExc, ModuleFailure {
-// EntityList returnList = getContent("is_published=true AND to_article_type=4",
-// "webdb_create desc",0,1);
-//if no startspecial exists
-// if (returnList==null || returnList.size()==0)
-// returnList = getContent("is_published=true AND to_article_type=3",
-// "webdb_create desc",0,1);
-
-// return returnList;
-// }
-
-/*
- public EntityList getContent(Map searchValues, boolean concat, int offset, EntityUsers user) throws ModuleException {
-
- try {
-
- String whereClause ="", aField, aValue;
- boolean first = true;
-
- Set set = searchValues.keySet();
- Iterator it = set.iterator();
- for (int i=0;i<set.size();i++) {
- aField = (String)it.next();
- aValue = (String)searchValues.get(aField);
-
- if (first == false)
- whereClause += (concat) ? " and " : " or ";
- else
- first = false;
-
- whereClause += "(";
-
-// default: hier splitten der eintraege und verknupfung mit AND OR NOT
- StringTokenizer st = new StringTokenizer(aValue);
- boolean firstToken = true;
- while(st.hasMoreTokens()) {
- String notString = "";
- String tokenConcat = " OR ";
- String nextToken = st.nextToken();
-
- if (nextToken.startsWith("+")) {
- nextToken = nextToken.substring(1);
- tokenConcat = " AND ";
- }
- if (nextToken.startsWith("-")) {
- nextToken = nextToken.substring(1);
- tokenConcat = " AND ";
- notString = " NOT ";
- }
- if (firstToken == true) {
- tokenConcat = "";
- firstToken = false;
- }
-
-
- whereClause += tokenConcat + aField + notString + " like '";
- whereClause += nextToken + "%'";
- }
- whereClause += ") ";
- }
- return theStorage.selectByWhereClause(whereClause, offset);
- }
- catch (StorageObjectFailure e){
- throw new ModuleException(e.toString());
+ public void expireArticleLock(String anId, String aUserId) {
+ if (!MirGlobal.isUserLoggedIn(anId)) {
+ unlockArticle(anId, aUserId, false);
}
-
- }
-*/
-/*
- public EntityList getContentByField(String aField, String aValue, String orderBy, int offset,
- EntityUsers user) throws ModuleException
- {
- String whereClause = "lower("+aField + ") like lower('%" + JDBCStringRoutines.escapeStringLiteral(aValue) + "%')";
- return getContent(whereClause, orderBy, offset, user);
}
+ /**
+ * Locks an article. Forced (that is, without checking wether it's already locked)
+ * if necessary.
+ *
+ * @param anId The article number
+ * @param aUserId The locking user
+ * @param aForce Should it e forced?
+ * @return
+ */
+ public boolean lockArticle(String anId, String aUserId, boolean aForce) {
+ try {
+ String query =
+ "update content set to_locking_user=" + JDBCStringRoutines.escapeStringLiteral(aUserId) +
+ " where id = " + JDBCStringRoutines.escapeStringLiteral(anId);
- public EntityList getContent(String whereClause, String orderBy, int offset,
- int limit, EntityUsers user) throws ModuleException {
+ if (!aForce)
+ query = query + " and to_locking_user is null";
- try {
- if (user!=null){
- if (!user.isAdmin())
- whereClause += " and to_publisher='" + user.getId()+"'";
- }
- return theStorage.selectByWhereClause(whereClause, orderBy, offset, limit);
+ return storage.executeUpdate(query) > 0;
+ }
+ catch (Throwable t) {
+ return false;
}
- catch (StorageObjectFailure e){ throw new ModuleException(e.toString()); }
}
-*/
- public EntityList getContent(String whereClause, String orderBy,int offset, int limit) throws ModuleExc, ModuleFailure {
+ /**
+ * Unlocks an article. Forced (that is, without checking wether it's locked by
+ * the person that unlocks it) if necessary.
+ *
+ * @param anId The article number
+ * @param aUserId The user that unlocks
+ * @param aForce Should it e forced?
+ * @return <code>true</code> if successfull, <code>false</code> if not
+ */
+ public boolean unlockArticle(String anId, String aUserId, boolean aForce) {
try {
- return theStorage.selectByWhereClause(whereClause, orderBy, offset, limit);
+ String query =
+ "update content set to_locking_user=null" +
+ " where id = " + JDBCStringRoutines.escapeStringLiteral(anId);
+
+ if (!aForce)
+ query = query + " and to_locking_user = "+JDBCStringRoutines.escapeStringLiteral(aUserId);
+
+ return storage.executeUpdate(query) > 0;
}
- catch (Throwable e){
- throw new ModuleFailure(e);
+ catch (Throwable t) {
+ return false;
}
}
-/*
- public EntityList getContent(String whereClause, String orderBy, int offset, EntityUsers user)
- throws ModuleException
- {
+
+ /**
+ * Returns the id of the locking user of an article. <code>null</code> otherwise.
+ *
+ * @param anId
+ * @return
+ */
+ public String queryArticleLock(String anId) {
try {
- if (whereClause !=null) {
-
-// for the different article_types
- if(whereClause.equals("newswire")) {
- whereClause="is_published='1' and to_article_type='1'";
- orderBy = "webdb_create desc";
- }
- if(whereClause.equals("feature")) {
- whereClause="is_published='1' and to_article_type='2'";
- orderBy = "webdb_create desc";
- }
- if(whereClause.equals("themenspecial")) {
- whereClause="is_published='1' and to_article_type='3'";
- orderBy = "webdb_create desc";
- }
- if(whereClause.equals("special")) {
- whereClause="is_published='1' and to_article_type='4'";
- orderBy = "webdb_create desc";
- }
-
- if(whereClause.equals("comments")) {
- whereClause="not (comment is null or comment like '')";
- orderBy = "webdb_lastchange desc";
- }
-
- if(whereClause.equals("nfrei")) {
- whereClause="is_published='0'"; orderBy="webdb_create desc";
- }
-
- if(whereClause.equals("lastchange")) {
- whereClause=""; orderBy="webdb_lastchange desc";
- }
-
- if(whereClause.equals("media")) {
- return DatabaseContentToMedia.getInstance().getContent();
- }
+ String result = storage.executeFreeSingleValueSql("select to_locking_user from content where id = " + JDBCStringRoutines.escapeStringLiteral(anId));
+
+ if (result!=null && !MirGlobal.isUserLoggedIn(result)) {
+ expireArticleLock(anId, result);
+ result = null;
}
- return theStorage.selectByWhereClause(whereClause, orderBy, offset);
+
+ return result;
}
- catch (StorageObjectFailure e) {
- throw new ModuleException(e.toString());
+ catch (Throwable t) {
+ return null;
}
}
-*/
}
projects / mir.git / blobdiff