/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.uima.ruta.example.extensions;
import java.util.List;
import org.apache.uima.ruta.RutaElement;
import org.apache.uima.ruta.expression.RutaExpression;
import org.apache.uima.ruta.expression.number.NumberFunctionExpression;
import org.apache.uima.ruta.expression.type.TypeExpression;
import org.apache.uima.ruta.extensions.IRutaNumberFunctionExtension;
import org.apache.uima.ruta.verbalize.RutaVerbalizer;
import antlr.ANTLRException;
public class ExampleNumberFunctionExtension implements IRutaNumberFunctionExtension {
private final String[] knownExtensions = new String[] { "ExampleNumberFunction" };
private final Class<?>[] extensions = new Class[] { ExampleNumberFunction.class };
public String verbalize(RutaElement element, RutaVerbalizer verbalizer) {
if (element instanceof ExampleTypeFunction) {
return verbalizeName(element) + "("
+ verbalizer.verbalize(((ExampleBooleanFunction)element).getExpr()) + ")";
} else {
return "UnknownNumberFunction";
}
}
public NumberFunctionExpression createNumberFunction(String name, List<RutaExpression> args)
throws ANTLRException {
if(args == null || args.size() != 1 || !(args.get(0) instanceof TypeExpression)) {
throw new ANTLRException("ExampleNumberFunction accepts only one TypeExpression as argument!");
}
return new ExampleNumberFunction((TypeExpression) args.get(0));
}
public String verbalizeName(RutaElement element) {
return knownExtensions[0];
}
public String[] getKnownExtensions() {
return knownExtensions;
}
public Class<?>[] extensions() {
return extensions;
}
}