/**
* Vosao CMS. Simple CMS for Google App Engine.
*
* Copyright (C) 2009-2010 Vosao development team.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* email: vosao.dev@gmail.com
*/
package org.vosao.entity;
import static org.vosao.utils.EntityUtil.getDateProperty;
import static org.vosao.utils.EntityUtil.getStringProperty;
import java.util.Date;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.vosao.utils.DateUtil;
import static org.vosao.utils.EntityUtil.*;
import com.google.appengine.api.datastore.Entity;
import com.google.appengine.api.datastore.Key;
import com.google.appengine.api.datastore.KeyFactory;
public abstract class BaseEntityImpl implements BaseEntity {
protected static final Log logger = LogFactory.getLog(
BaseEntityImpl.class);
private Key key;
private String createUserEmail;
private Date createDate;
private String modUserEmail;
private Date modDate;
public BaseEntityImpl() {
createDate = new Date();
modDate = createDate;
createUserEmail = "";
modUserEmail = "";
}
@Override
public Long getId() {
return key == null ? null : key.getId();
}
@Override
public void setId(Long id) {
if (id != null && id > 0) {
key = KeyFactory.createKey(getKind(getClass()), id);
}
else {
key = null;
}
}
@Override
public Key getKey() {
return key;
}
@Override
public void setKey(Key key) {
this.key = key;
}
@Override
public void load(Entity entity) {
key = entity.getKey();
createUserEmail = getStringProperty(entity, "createUserEmail");
createDate = getDateProperty(entity, "createDate");
modUserEmail = getStringProperty(entity, "modUserEmail");
modDate = getDateProperty(entity, "modDate");
}
@Override
public void save(Entity entity) {
setProperty(entity, "createUserEmail", createUserEmail, false);
setProperty(entity, "createDate", createDate, false);
setProperty(entity, "modUserEmail", modUserEmail, false);
setProperty(entity, "modDate", modDate, false);
}
@Override
public boolean isNew() {
return key == null;
}
@Override
public void copy(BaseEntity entity) {
Key myKey = getKey();
Entity buf = new Entity("tmp");
entity.save(buf);
load(buf);
setKey(myKey);
}
public boolean equals(Object object) {
if (object instanceof BaseEntity
&& object.getClass().equals(this.getClass())) {
BaseEntity entity = (BaseEntity) object;
if (getId() == null && entity.getId() == null) {
return true;
}
if (getId() != null && getId().equals(entity.getId())) {
return true;
}
}
return false;
}
@Override
public String getCreateUserEmail() {
return createUserEmail;
}
@Override
public void setCreateUserEmail(String createUserEmail) {
this.createUserEmail = createUserEmail;
}
@Override
public Date getCreateDate() {
return createDate;
}
@Override
public void setCreateDate(Date createDate) {
this.createDate = createDate;
}
@Override
public String getModUserEmail() {
return modUserEmail;
}
@Override
public void setModUserEmail(String modUserEmail) {
this.modUserEmail = modUserEmail;
}
@Override
public Date getModDate() {
return modDate;
}
@Override
public void setModDate(Date modDate) {
this.modDate = modDate;
}
@Override
public String getModDateString() {
return DateUtil.toString(modDate);
}
@Override
public String getCreateDateString() {
return DateUtil.toString(createDate);
}
@Override
public String getModDateTimeString() {
return DateUtil.dateTimeToString(modDate);
}
@Override
public String getCreateDateTimeString() {
return DateUtil.dateTimeToString(createDate);
}
}