at.newmedialab.ldpath.template.model.transformers.TemplateIntegerTransformer Maven / Gradle / Ivy
/*
* Copyright (c) 2011 Salzburg Research.
*
* 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.
*/
package at.newmedialab.ldpath.template.model.transformers;
import at.newmedialab.ldpath.api.backend.RDFBackend;
import at.newmedialab.ldpath.api.transformers.NodeTransformer;
import at.newmedialab.ldpath.model.transformers.IntTransformer;
import freemarker.template.TemplateModelException;
import freemarker.template.TemplateNumberModel;
/**
* Transform a node into the freemarker integer type (TemplateNumberModel).
*
* Author: Sebastian Schaffert
*/
public class TemplateIntegerTransformer implements NodeTransformer {
private IntTransformer delegate;
public TemplateIntegerTransformer() {
delegate = new IntTransformer();
}
/**
* Transform the KiWiNode node into the datatype T. In case the node cannot be transformed to
* the respective datatype, throws an IllegalArgumentException that needs to be caught by the class
* carrying out the transformation.
*
* @param node
* @return
*/
@Override
public TemplateNumberModel transform(final RDFBackend nodeRDFBackend, final Node node) throws IllegalArgumentException {
return new TemplateNumberModel() {
@Override
public Number getAsNumber() throws TemplateModelException {
return delegate.transform(nodeRDFBackend, node);
}
};
}
}