/*!
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 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 Lesser General Public License for more details.
*
* Copyright (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.extensions.datasources.cda.parser;
import java.util.ArrayList;
import org.pentaho.reporting.engine.classic.core.DataFactory;
import org.pentaho.reporting.engine.classic.core.modules.parser.base.DataFactoryReadHandler;
import org.pentaho.reporting.engine.classic.extensions.datasources.cda.CdaDataFactory;
import org.pentaho.reporting.engine.classic.extensions.datasources.cda.CdaQueryEntry;
import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.ParseException;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
public class CdaDataSourceReadHandler extends AbstractXmlReadHandler implements DataFactoryReadHandler
{
private ConfigReadHandler configReadHandler;
private ArrayList<XmlReadHandler> queries;
private CdaDataFactory dataFactory;
public CdaDataSourceReadHandler()
{
queries = new ArrayList<XmlReadHandler>();
}
/**
* Returns the handler for a child element.
*
* @param uri the URI of the namespace of the current element.
* @param tagName the tag name.
* @param atts the attributes.
* @return the handler or null, if the tagname is invalid.
* @throws SAXException if there is a parsing error.
*/
protected XmlReadHandler getHandlerForChild(final String uri,
final String tagName,
final Attributes atts) throws SAXException
{
if (isSameNamespace(uri) == false)
{
return null;
}
if ("config".equals(tagName))
{
configReadHandler = new ConfigReadHandler();
return configReadHandler;
}
if ("query".equals(tagName))
{
final QueryReadHandler readHandler = new QueryReadHandler();
queries.add(readHandler);
return readHandler;
}
return null;
}
/**
* Done parsing.
*
* @throws SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
final CdaDataFactory srdf = new CdaDataFactory();
if (configReadHandler == null)
{
throw new ParseException("Required element 'config' is missing.", getLocator());
}
srdf.setBaseUrl(configReadHandler.getBaseUrl());
srdf.setBaseUrlField(configReadHandler.getBaseUrlField());
srdf.setFile(configReadHandler.getFile());
srdf.setPath(configReadHandler.getPath());
srdf.setSolution(configReadHandler.getSolution());
srdf.setUsername(configReadHandler.getUsername());
srdf.setPassword(configReadHandler.getPassword());
srdf.setUseLocalCall(configReadHandler.isUseLocalCall());
srdf.setSugarMode(configReadHandler.isSugarMode());
for (int i = 0; i < queries.size(); i++)
{
final QueryReadHandler handler = (QueryReadHandler) queries.get(i);
final CdaQueryEntry cdaqueryentry = new CdaQueryEntry(handler.getQueryName(),handler.getQueryId());
cdaqueryentry.setParameters(handler.getParameters());
srdf.setQueryEntry(handler.getQueryName(), cdaqueryentry);
}
dataFactory = srdf;
}
/**
* Returns the object for this element or null, if this element does not create an object.
*
* @return the object.
* @throws SAXException if an parser error occured.
*/
public Object getObject() throws SAXException
{
return dataFactory;
}
public DataFactory getDataFactory()
{
return dataFactory;
}
}