/*
* Copyright (C) 2003-2009 eXo Platform SAS.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Affero General Public License
* as published by the Free Software Foundation; either version 3
* of the License, or (at your option) any later version.
*
* This program 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 this program; if not, see<http://www.gnu.org/licenses/>.
*/
package org.exoplatform.services.jcr.ext.organization;
import org.exoplatform.services.jcr.ext.organization.UserHandlerImpl.UserProperties;
import org.exoplatform.services.jcr.impl.core.query.QueryImpl;
import org.exoplatform.services.organization.UserStatus;
import java.sql.Timestamp;
import java.util.Date;
import javax.jcr.Node;
import javax.jcr.NodeIterator;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.query.InvalidQueryException;
import javax.jcr.query.Query;
import javax.jcr.query.QueryResult;
/**
* Created by The eXo Platform SAS.
*
* @author <a href="mailto:anatoliy.bazko@exoplatform.com.ua">Anatoliy Bazko</a>
* @version $Id: UserByQueryJCRUserListAccess.java 111 2008-11-11 11:11:11Z $
*/
public class UserByQueryJCRUserListAccess extends JCRUserListAccess
{
/**
* The query.
*/
private org.exoplatform.services.organization.Query query;
/**
* UserByQueryJCRUserListAccess constructor.
*/
public UserByQueryJCRUserListAccess(JCROrganizationServiceImpl service,
org.exoplatform.services.organization.Query query, UserStatus status) throws RepositoryException
{
super(service, status);
this.query = query;
}
/**
* {@inheritDoc}
*/
protected int getSize(Session session) throws Exception
{
iterator = createIterator(session);
return (int)iterator.getSize();
}
/**
* Removes asterisk from beginning and from end of statement.
*/
private String removeAsterisk(String str)
{
if (str.startsWith("*"))
{
str = str.substring(1);
}
if (str.endsWith("*"))
{
str = str.substring(0, str.length() - 1);
}
return str;
}
/**
* Transforms {@link org.exoplatform.services.organization.Query} into {@link Query}.
*/
private QueryImpl makeQuery(Session session) throws InvalidQueryException, RepositoryException
{
StatementContext context = new StatementContext();
context.statement = new StringBuilder("SELECT * FROM ");
context.statement.append(JCROrganizationServiceImpl.JOS_USERS_NODETYPE);
if (query.getUserName() != null)
{
addStringStatement(context, UserProperties.JOS_USER_NAME, query.getUserName());
}
if (query.getFirstName() != null)
{
addStringStatement(context, UserProperties.JOS_FIRST_NAME, query.getFirstName());
}
if (query.getLastName() != null)
{
addStringStatement(context, UserProperties.JOS_LAST_NAME, query.getLastName());
}
if (query.getEmail() != null)
{
addStringStatement(context, UserProperties.JOS_EMAIL, query.getEmail());
}
if (query.getFromLoginDate() != null)
{
addDateStatement(context, UserProperties.JOS_LAST_LOGIN_TIME, ">=", query.getFromLoginDate());
}
if (query.getToLoginDate() != null)
{
addDateStatement(context, UserProperties.JOS_LAST_LOGIN_TIME, "<=", query.getToLoginDate());
}
if (status != UserStatus.ANY)
{
context.statement.append(" AND ").append(JCROrganizationServiceImpl.JOS_DISABLED);
if (status == UserStatus.ENABLED)
context.statement.append(" IS NULL");
else
context.statement.append(" IS NOT NULL");
}
return (QueryImpl)session.getWorkspace().getQueryManager().createQuery(context.statement.toString(), Query.SQL);
}
private void addStringStatement(StatementContext context, String field, String value)
{
addStatement(context, "UPPER(" + field + ")", "like", "'%" + removeAsterisk(value).toUpperCase() + "%'");
}
private void addDateStatement(StatementContext context, String field, String operand, Date value)
{
String timeStamp = new Timestamp(value.getTime()).toString();
addStatement(context, field, operand, "TIMESTAMP '" + timeStamp + "'");
}
private void addStatement(StatementContext context, String field, String operand, String value)
{
if (context.hasWhere)
{
context.statement.append(" AND");
}
else
{
context.hasWhere = true;
context.statement.append(" WHERE");
}
context.statement.append(" " + field + " " + operand + " " + value);
}
/**
* {@inheritDoc}
*
* It is not possible to reuse because session is closed in query.
*/
protected boolean canReuseIterator()
{
return false;
}
/**
* {@inheritDoc}
*/
protected NodeIterator createIterator(Session session) throws RepositoryException
{
QueryImpl query = makeQuery(session);
QueryResult result = query.execute();
return result.getNodes();
}
/**
* {@inheritDoc}
*/
protected Object readObject(Node node) throws Exception
{
return uHandler.readUser(node);
}
private class StatementContext
{
private StringBuilder statement;
private boolean hasWhere;
}
}