001    /*
002      GRANITE DATA SERVICES
003      Copyright (C) 2011 GRANITE DATA SERVICES S.A.S.
004    
005      This file is part of Granite Data Services.
006    
007      Granite Data Services is free software; you can redistribute it and/or modify
008      it under the terms of the GNU Library General Public License as published by
009      the Free Software Foundation; either version 2 of the License, or (at your
010      option) any later version.
011    
012      Granite Data Services is distributed in the hope that it will be useful, but
013      WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
014      FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public License
015      for more details.
016    
017      You should have received a copy of the GNU Library General Public License
018      along with this library; if not, see <http://www.gnu.org/licenses/>.
019    */
020    
021    package org.granite.generator.gsp;
022    
023    import java.net.URI;
024    
025    import org.granite.generator.Input;
026    import org.granite.generator.Listener;
027    import org.granite.generator.Output;
028    import org.granite.generator.TemplateUri;
029    import org.granite.generator.Transformer;
030    import org.granite.generator.exception.TemplateUriException;
031    import org.granite.util.URIUtil;
032    
033    /**
034     * @author Franck WOLFF
035     */
036    public abstract class AbstractGroovyTransformer<I extends Input<?>, O extends Output<?>, C extends GroovyConfiguration>
037            extends Transformer<I, O, C> {
038    
039            public AbstractGroovyTransformer() {
040                    super();
041            }
042    
043            public AbstractGroovyTransformer(GroovyConfiguration config, Listener listener) {
044                    super(config, listener);
045            }
046    
047            protected GroovyTemplateFactory getTemplateFactory() {
048                    return getConfig().getGroovyTemplateFactory();
049            }
050    
051        protected GroovyTemplate getTemplate(TemplateUri templateUri) throws TemplateUriException {
052            return getTemplate(templateUri.getUri(), templateUri.isBase());
053        }
054    
055        protected GroovyTemplate getTemplate(String uri, boolean base) throws TemplateUriException {
056            GroovyTemplateFactory factory = getTemplateFactory();
057            try {
058                    uri = URIUtil.normalize(uri);
059                return factory.getTemplate(new URI(uri), base);
060            } catch (Exception e) {
061                throw new TemplateUriException(uri, e);
062            }
063        }
064    }