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/**
* This file is part of the CRISTAL-iSE kernel.
* Copyright (c) 2001-2014 The CRISTAL Consortium. 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 3 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; with out 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.
*
* http://www.fsf.org/licensing/licenses/lgpl.html
*/
package com.c2kernel.lifecycle.routingHelpers;
import com.c2kernel.common.ObjectNotFoundException;
import com.c2kernel.entity.proxy.ItemProxy;
import com.c2kernel.lookup.ItemPath;
import com.c2kernel.persistency.ClusterStorage;
import com.c2kernel.persistency.outcome.Outcome;
import com.c2kernel.persistency.outcome.Viewpoint;
import com.c2kernel.process.Gateway;
import com.c2kernel.utils.XmlElementParser;
public class ViewpointDataHelper
{
static Object[] errArr = { "" };
/**
* Method get.
* @param value
* @return String[]
* @throws Exception
*/
/**@param value : /UUID (or . if current) /SchemaName/Viewname/Path:XPathInOutcome */
public static Object [] get(String value) throws Exception
{
//Syntax of search : <EntityPath>/<ViewpointPath>:<XPathinOutcome>
String entityPath;
String viewpoint;
String xpath;
Object[] retArr;
// find syskey, viewname, xpath
int firstSlash = value.indexOf("/");
if (firstSlash > 0) {
entityPath = value.substring(0, firstSlash);
int startXPath = value.indexOf(":");
if (startXPath==-1) {
viewpoint = value.substring(firstSlash + 1);
xpath = null;
} else {
viewpoint = value.substring(firstSlash + 1, startXPath);
xpath = value.substring(startXPath+1);
}
}
else return errArr;
// find entity
ItemPath sourcePath = new ItemPath(entityPath);
try {
// load viewpoint
ItemProxy dataSource = Gateway.getProxyManager().getProxy(sourcePath);
Viewpoint view = (Viewpoint)dataSource.getObject(ClusterStorage.VIEWPOINT + "/" + viewpoint);
Outcome outcome = view.getOutcome();
if (xpath == null) {
retArr = new Object[1];
retArr[0] = outcome;
}
else
retArr = XmlElementParser.parse(outcome.getData(), xpath);
return retArr;
} catch (ObjectNotFoundException e) {
return errArr;
}
}
}
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