libreccm-legacy/ccm-forum/src/com/arsdigita/forum/PostImageAttachment.java

132 lines
3.8 KiB
Java

/*
* Copyright (C) 2007 Chris Gilbert. All Rights Reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
package com.arsdigita.forum;
import java.math.BigDecimal;
import java.util.Calendar;
import org.apache.log4j.Logger;
import com.arsdigita.auditing.BasicAuditTrail;
import com.arsdigita.cms.ImageAsset;
import com.arsdigita.domain.DomainObjectFactory;
import com.arsdigita.persistence.DataCollection;
import com.arsdigita.persistence.DataObject;
import com.arsdigita.persistence.OID;
import com.arsdigita.persistence.SessionManager;
/**
* @author chris.gilbert@westsussex.gov.uk
*
* Domain object for an image attached to a post. Modelled as domain object
* rather than simple association with link attribute because cloning
* seems to struggle with link attributes
*/
public class PostImageAttachment extends ImageAsset {
private static final Logger s_log = Logger.getLogger(PostImageAttachment.class);
public static final String BASE_DATA_OBJECT_TYPE =
"com.arsdigita.forum.PostImageAttachment";
public static final String IMAGE_OWNER = "imageMessage";
public static final String IMAGE_ORDER = "imageOrder";
/**
* Default constructor. ;
**/
public PostImageAttachment() {
super(BASE_DATA_OBJECT_TYPE);
setVersion(DRAFT);
}
/**
* Constructor. The contained <code>DataObject</code> is retrieved
* from the persistent storage mechanism with an <code>OID</code>
* specified by <i>oid</i>.
*
* @param oid The <code>OID</code> for the retrieved
* <code>DataObject</code>.
**/
public PostImageAttachment(OID oid) {
super(oid);
}
/**
* Constructor. The contained <code>DataObject</code> is retrieved
* from the persistent storage mechanism with an <code>OID</code>
* specified by <i>id</i> and <code>ContentPage.BASE_DATA_OBJECT_TYPE</code>.
*
* @param id The <code>id</code> for the retrieved
* <code>DataObject</code>.
**/
public PostImageAttachment(BigDecimal id) {
this(new OID(BASE_DATA_OBJECT_TYPE, id));
}
public PostImageAttachment(DataObject obj) {
super(obj);
}
public PostImageAttachment(String type) {
super(type);
}
public String getBaseDataObjectType() {
return BASE_DATA_OBJECT_TYPE;
}
public void setImageOrder(Integer order) {
set(IMAGE_ORDER, order);
}
public void setImageOrder(int order) {
set(IMAGE_ORDER, new Integer(order));
}
public Post getOwner() {
return (Post)DomainObjectFactory.newInstance((DataObject)get(IMAGE_OWNER));
}
protected static void removeUnattachedImages() {
s_log.debug("removing orphaned images created more than a day ago");
DataCollection images = SessionManager.getSession().retrieve(BASE_DATA_OBJECT_TYPE);
Calendar yesterday = Calendar.getInstance();
yesterday.add(Calendar.DATE, -1);
images.addFilter(images.getFilterFactory().lessThan(AUDITING + "." + BasicAuditTrail.CREATION_DATE,
yesterday.getTime(),
false));
images.addEqualsFilter(IMAGE_OWNER, null);
while (images.next()) {
s_log.debug("deleting one");
DomainObjectFactory.newInstance(images.getDataObject()).delete();
}
}
}