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TypeSystemUtilTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.uima.util;

import java.io.File;

import org.apache.uima.UIMAFramework;
import org.apache.uima.cas.CAS;
import org.apache.uima.resource.metadata.TypeDescription;
import org.apache.uima.resource.metadata.TypeSystemDescription;
import org.apache.uima.test.junit_extension.JUnitExtension;

import junit.framework.TestCase;

00031 public class TypeSystemUtilTest extends TestCase {
  public void testTypeSystem2TypeSystemDescription() throws Exception {
    //create a CAS with example type system
    File typeSystemFile = JUnitExtension.getFile("ExampleCas/testTypeSystem.xml");
    TypeSystemDescription tsDesc = UIMAFramework.getXMLParser().parseTypeSystemDescription(
            new XMLInputSource(typeSystemFile));
    
    //add an example type to test FSArrays with and without elementTypes
    TypeDescription type = tsDesc.addType("example.TestType", "", "uima.tcas.Annotation");
    type.addFeature("testFeat", "", "uima.cas.FSArray","uima.tcas.Annotation", null);
    TypeDescription type2 = tsDesc.addType("example.TestType2", "", "uima.tcas.Annotation");
    type2.addFeature("testFeat", "", "uima.cas.FSArray");

    
    CAS cas = CasCreationUtils.createCas(tsDesc, null, null);    
    //convert that CAS's type system back to a TypeSystemDescription
    TypeSystemDescription tsDesc2 = TypeSystemUtil.typeSystem2TypeSystemDescription(cas.getTypeSystem());
    tsDesc2.toXML(System.out);
    //test that this is valid by creating a new CAS
    CasCreationUtils.createCas(tsDesc2, null, null);
  }
}

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