/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2006-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library 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.
*/
package org.geotools.filter.text.commons;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.factory.Hints;
import org.geotools.filter.text.cql2.CQLCompiler;
import org.geotools.filter.text.cql2.CQLException;
import org.geotools.filter.text.ecql.ECQLCompiler;
import org.opengis.filter.FilterFactory;
/**
* Creates the compiler required for the specific language.
*
*
* @author Mauricio Pazos (Axios Engineering)
* @since 2.6
*/
final class CompilerFactory {
private CompilerFactory(){
}
/**
* Initializes and create the new compiler
*
* @param predicate
* @param filterFactory
* @return CQLCompiler
* @throws CQLException
*/
public static ICompiler makeCompiler(final Language language, final String predicate, final FilterFactory filterFactory) throws CQLException {
FilterFactory ff = filterFactory;
if (filterFactory == null) {
ff = CommonFactoryFinder.getFilterFactory((Hints) null);
}
ICompiler compiler;
if(language == Language.ECQL){
compiler = new ECQLCompiler(predicate, ff);
}else{
compiler = new CQLCompiler(predicate, ff);
}
return compiler;
}
}