/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2004-2008, 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.CQLException;
import org.opengis.filter.FilterFactory;
/**
* Provides the common behavior to make a compiler implementation
* <p>
* Warning: This component is not published. It is part of module implementation.
* Client module should not use this feature.
* </p>
* @author Mauricio Pazos (Axios Engineering)
* @since 2.6
*
*
* @source $URL$
*/
public abstract class AbstractCompilerFactory {
/**
* Initializes and create the new compiler
*
* @param predicate
* @param filterFactory
* @return CQLCompiler
* @throws CQLException
*/
public ICompiler makeCompiler(final String predicate, final FilterFactory filterFactory) throws CQLException {
FilterFactory ff = filterFactory;
if (filterFactory == null) {
ff = CommonFactoryFinder.getFilterFactory((Hints) null);
}
String clonePredicate = new String(predicate);
ICompiler compiler = createCompiler(clonePredicate, ff);
return compiler;
}
protected abstract ICompiler createCompiler(final String predicate,final FilterFactory filterFactory);
}