/*
* 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) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.engine.classic.core.modules.parser.bundle.data;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.reporting.engine.classic.core.parameters.AbstractParameter;
import org.pentaho.reporting.engine.classic.core.parameters.DefaultListParameter;
import org.pentaho.reporting.engine.classic.core.parameters.ListParameter;
import org.pentaho.reporting.engine.classic.core.parameters.StaticListParameter;
import org.xml.sax.Attributes;
import org.xml.sax.Locator;
import org.xml.sax.SAXException;
public class ListParameterReadHandler extends AbstractParameterReadHandler
{
private static final Log logger = LogFactory.getLog(ListParameterReadHandler.class);
private String query;
private String keyColumnName;
private String valueColumnName;
private ListParameter result;
private boolean strictValueCheck;
private boolean allowMultiSelection;
public ListParameterReadHandler()
{
}
protected void startParsing(final Attributes attrs) throws SAXException
{
super.startParsing(attrs);
query = attrs.getValue(getUri(), "query");
keyColumnName = attrs.getValue(getUri(), "key-column");
if (query != null && keyColumnName == null)
{
Locator locator = getLocator();
logger.warn(String.format("Required parameter 'key-column' is missing for parameter '%s'. [%d:%d]",
getName(), locator.getLineNumber(), locator.getColumnNumber()));
keyColumnName = "";
}
valueColumnName = attrs.getValue(getUri(), "value-column");
if (valueColumnName == null)
{
valueColumnName = keyColumnName;
}
strictValueCheck = "true".equals(attrs.getValue(getUri(), "strict-values"));
allowMultiSelection = "true".equals(attrs.getValue(getUri(), "allow-multi-selection"));
}
/**
* Sets result to a DefaultListParameter if associated with a query,
* StaticListParameter otherwise.
*/
protected void doneParsing()
{
final AbstractParameter result;
if (query != null)
{
result = new DefaultListParameter
(query, keyColumnName, valueColumnName, getName(),
allowMultiSelection, strictValueCheck, getType());
}
else
{
result = new StaticListParameter
(getName(), allowMultiSelection , strictValueCheck, getType());
}
result.setMandatory(isMandatory());
result.setDefaultValue(getDefaultValue());
applyAttributes(result);
this.result = (ListParameter)result;
}
/**
* Returns the object for this element or null, if this element does not create an object.
*
* @return the object.
* @throws org.xml.sax.SAXException if an parser error occured.
*/
public Object getObject() throws SAXException
{
return result;
}
}