X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmircoders%2Fstorage%2FDatabaseComment.java;h=8561eb451b8a091595a9fb7893a3dae809e5eb8f;hb=95c2e3a74f492f6f61d4dbe8bb47996f43af0627;hp=d819b1145a01ad8bf49ebf82a99b4e8547b41ee5;hpb=3a661e8f0f659ab5ed2ac0e4d982ac0b398d11f1;p=mir.git diff --git a/source/mircoders/storage/DatabaseComment.java b/source/mircoders/storage/DatabaseComment.java index d819b114..8561eb45 100755 --- a/source/mircoders/storage/DatabaseComment.java +++ b/source/mircoders/storage/DatabaseComment.java @@ -1,70 +1,83 @@ -package mircoders.storage; - -import java.lang.*; -import java.sql.*; -import java.io.*; -import java.util.*; - -import freemarker.template.*; - -import mir.storage.*; -import mir.entity.*; -import mir.misc.*; - -/** - * This class implements the access to the comment-table for the - * media table. +/* + * 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. */ -public class DatabaseComment extends Database implements StorageObject{ +package mircoders.storage; + +import java.sql.Connection; +import java.sql.SQLException; +import java.sql.Statement; + +import mir.log.LoggerWrapper; +import mir.storage.Database; +import mir.storage.DatabaseFailure; + +public class DatabaseComment extends Database { - private static DatabaseComment instance; + private static DatabaseComment instance; - public static DatabaseComment getInstance() throws StorageObjectException { - if (instance == null) { - instance = new DatabaseComment(); - instance.myselfDatabase = instance; - } - return instance; - } + public synchronized static DatabaseComment getInstance() { + if (instance == null) { + instance = new DatabaseComment(); + } + return instance; + } - private DatabaseComment() throws StorageObjectException - { - super(); - this.hasTimestamp = false; - this.cache = new HashMap(); - this.theTable="comment"; - try { - this.theEntityClass = Class.forName("mir.entity.EntityComment"); - } - catch (Exception e) { throw new StorageObjectException(e.toString()); } - } + private DatabaseComment() { + super(); + mainTable = "comment"; + logger = new LoggerWrapper("Database.Comment"); - public SimpleList getPopupData() { return getPopupData("title",true); } + entityClass = mircoders.entity.EntityComment.class; + } - public boolean deleteByContentId(String id) - throws StorageObjectException { - Statement stmt=null; - Connection con=null; - String sql; - int res = 0; + public boolean deleteByContentId(String id) throws DatabaseFailure { + Statement stmt = null; + Connection con = null; + String sql; - /** @todo comments and topics should be deleted */ - sql = "delete from "+ theTable + " where to_media="+id; - //theLog.printInfo("DELETE "+ sql); + /** todo comments and topics should be deleted */ + sql = "delete from " + mainTable + " where to_media=" + id; + logger.info("DELETE "+ sql); - try { - con=getPooledCon(); - stmt = con.createStatement(); - res = stmt.executeUpdate(sql); - } catch (SQLException sqe) { - new StorageObjectException(sqe.toString()); - return false; - } finally { - freeConnection(con,stmt); - } - return true; - } + try { + con = obtainConnection(); + stmt = con.createStatement(); + stmt.executeUpdate(sql); + } + catch (SQLException sqe) { + new DatabaseFailure(sqe); + return false; + } + finally { + freeConnection(con, stmt); + } + return true; + } }