package org.drools.decisiontable;
/*
* 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.util.List;
import org.drools.decisiontable.parser.DecisionTableParser;
import org.drools.decisiontable.parser.csv.CsvLineParser;
import org.drools.decisiontable.parser.csv.CsvParser;
import org.drools.decisiontable.parser.xls.ExcelParser;
import org.drools.template.parser.DataListener;
/**
* Provides valid input types for decision tables.
* (which also serve as parser factories).
*
* @author Michael Neale
*/
public abstract class InputType {
public static final InputType XLS = new XlsInput();
public static final InputType CSV = new CsvInput();
protected InputType() {
}
/**
* @param listener
* @return The appropriate Parser.
*/
public abstract DecisionTableParser createParser(DataListener listener);
public abstract DecisionTableParser createParser(List<DataListener> listeners);
}
class XlsInput extends InputType {
public DecisionTableParser createParser(final DataListener listener) {
return new ExcelParser( listener );
}
public DecisionTableParser createParser(final List<DataListener> listeners) {
return new ExcelParser( listeners );
}
}
class CsvInput extends InputType {
public DecisionTableParser createParser(final DataListener listener) {
return new CsvParser( listener,
new CsvLineParser() );
}
public DecisionTableParser createParser(final List<DataListener> listeners) {
return new CsvParser( listeners,
new CsvLineParser() );
}
}