package org.drools.decisiontable.parser;
/*
* Copyright 2005 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.drools.decisiontable.parser.xls.ExcelParser;
import org.drools.template.parser.DataListener;
/**
* @author <a href="mailto:michael.neale@gmail.com"> Michael Neale</a>
*
*/
public class RulesheetUtil {
/**
* Utility method showing how to get a rule sheet listener from a stream.
*/
public static RuleSheetListener getRuleSheetListener(final InputStream stream) throws IOException {
final Map<String, List<DataListener>> sheetListeners = new HashMap<String, List<DataListener>>();
final List<DataListener> listeners = new ArrayList<DataListener>();
final RuleSheetListener listener = new DefaultRuleSheetListener();
listeners.add(listener);
sheetListeners.put( ExcelParser.DEFAULT_RULESHEET_NAME,
listeners );
final ExcelParser parser = new ExcelParser( sheetListeners );
parser.parseFile( stream );
stream.close();
return listener;
}
}