/*
* 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;
}
}