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* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
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* to you under the Apache License, Version 2.0 (the | |
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* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
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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.type.ITypeExpression; | |
import org.apache.uima.ruta.extensions.IRutaBooleanFunctionExtension; | |
import org.apache.uima.ruta.extensions.RutaParseException; | |
import org.apache.uima.ruta.verbalize.RutaVerbalizer; | |
public class ExampleBooleanFunctionExtension implements IRutaBooleanFunctionExtension { | |
private final String[] knownExtensions = new String[] { "ExampleBooleanFunction" }; | |
private final Class<?>[] extensions = new Class[] { ExampleBooleanFunction.class }; | |
public String verbalize(RutaElement element, RutaVerbalizer verbalizer) { | |
if (element instanceof ExampleBooleanFunction) { | |
return verbalizeName(element) + "(" | |
+ verbalizer.verbalize(((ExampleBooleanFunction) element).getExpr()) + ")"; | |
} else { | |
return "UnknownBooleanFunction"; | |
} | |
} | |
public ExampleBooleanFunction createBooleanFunction(String name, List<RutaExpression> args) | |
throws RutaParseException { | |
if (args == null || args.size() != 1 || !(args.get(0) instanceof ITypeExpression)) { | |
throw new RutaParseException( | |
"ExampleBooleanFunction accepts only one TypeExpression as argument!"); | |
} | |
return new ExampleBooleanFunction((ITypeExpression) args.get(0)); | |
} | |
public String verbalizeName(RutaElement element) { | |
return knownExtensions[0]; | |
} | |
public String[] getKnownExtensions() { | |
return knownExtensions; | |
} | |
public Class<?>[] extensions() { | |
return extensions; | |
} | |
} |