X-Git-Url: http://erislabs.net/gitweb/?a=blobdiff_plain;f=source%2Fmircoders%2Fstorage%2FDatabaseImages.java;h=d525df4ac45ae83ab4f3e9dbfc0e663a71b91f23;hb=c505321bf98713dd46373cb657fe2e7a7d01ff76;hp=1a5df1c9f570aa2dcf121b9be029ad137e7d32cb;hpb=2b6d416a1ef6217a9308a699c7eee512ab7270c9;p=mir.git diff --git a/source/mircoders/storage/DatabaseImages.java b/source/mircoders/storage/DatabaseImages.java index 1a5df1c9..d525df4a 100755 --- a/source/mircoders/storage/DatabaseImages.java +++ b/source/mircoders/storage/DatabaseImages.java @@ -1,15 +1,44 @@ -package mircoders.storage; +/* + * 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 java.lang.*; -import java.sql.*; -import java.io.*; -import java.util.*; +package mircoders.storage; -import freemarker.template.*; +import java.util.GregorianCalendar; -import mir.storage.*; -import mir.entity.*; -import mir.misc.*; +import mir.entity.Entity; +import mir.log.LoggerWrapper; +import mir.misc.StringUtil; +import mir.storage.Database; +import mir.storage.StorageObject; +import mir.storage.StorageObjectFailure; +import freemarker.template.SimpleList; /** * Diese Klasse implementiert die Datenbankverbindung zur MetaObjekt-Tabelle @@ -19,58 +48,55 @@ import mir.misc.*; public class DatabaseImages extends Database implements StorageObject{ - private static DatabaseImages instance; - private static SimpleList publisherPopupData; - - public static DatabaseImages getInstance() throws StorageObjectException - { - if (instance == null) { - instance = new DatabaseImages(); - instance.myselfDatabase = instance; - } - return instance; - } - - private DatabaseImages() throws StorageObjectException - { - super(); - this.hasTimestamp = true; - this.theTable="images"; - this.theCoreTable="media"; - try { - this.theEntityClass = Class.forName("mircoders.entity.EntityImage"); - } - catch (Exception e) { throw new StorageObjectException(e.toString()); } - } - - public SimpleList getPopupData() { - return getPopupData("title",true); - } - - public void update(Entity theEntity) throws StorageObjectException - { - theEntity.setValueForProperty("to_media_type","1"); - String date = theEntity.getValue("date"); - if (date==null){ - date = StringUtil.date2webdbDate(new GregorianCalendar()); - theEntity.setValueForProperty("date",date); - } - - super.update(theEntity); - } - - - public String insert(Entity theEntity) throws StorageObjectException - { - theEntity.setValueForProperty("to_media_type","1"); - String date = theEntity.getValue("date"); - if (date==null){ - date = StringUtil.date2webdbDate(new GregorianCalendar()); - theEntity.setValueForProperty("date",date); - } - return super.insert(theEntity); - } - - // initialisierungen aus den statischen Tabellen + private static DatabaseImages instance; + private static SimpleList publisherPopupData; + + // the following *has* to be sychronized cause this static method + // could get preemted and we could end up with 2 instances of DatabaseFoo.. + // see the "Singletons with needles and thread" article at JavaWorld -mh + public synchronized static DatabaseImages getInstance() { + if (instance == null) { + instance = new DatabaseImages(); + } + return instance; + } + + private DatabaseImages() { + super(); + + logger = new LoggerWrapper("Database.Images"); + + hasTimestamp = true; + theTable = "images"; + theCoreTable = "media"; + theEntityClass = mircoders.entity.EntityImages.class; + } + + public SimpleList getPopupData() throws StorageObjectFailure { + return getPopupData("title", true); + } + + public void update(Entity theEntity) throws StorageObjectFailure { + String date = theEntity.getValue("date"); + if (date == null) { + date = StringUtil.date2webdbDate(new GregorianCalendar()); + theEntity.setValueForProperty("date", date); + } + + super.update(theEntity); + } + + public String insert(Entity theEntity) throws StorageObjectFailure { + String date = theEntity.getValue("date"); + + if (date == null) { + date = StringUtil.date2webdbDate(new GregorianCalendar()); + theEntity.setValueForProperty("date", date); + } + + return super.insert(theEntity); + } + + // initialisierungen aus den statischen Tabellen }