UbySemanticFieldAnnotator.java

/*******************************************************************************
 * Copyright 2016
 * Ubiquitous Knowledge Processing (UKP) Lab
 * Technische Universität Darmstadt
 *
 * 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 de.tudarmstadt.ukp.uby.uima.annotator;

import static org.apache.uima.fit.util.JCasUtil.select;

import org.apache.uima.analysis_engine.AnalysisEngineProcessException;
import org.apache.uima.fit.component.JCasAnnotator_ImplBase;
import org.apache.uima.fit.descriptor.ExternalResource;
import org.apache.uima.fit.descriptor.TypeCapability;
import org.apache.uima.fit.util.JCasUtil;
import org.apache.uima.jcas.JCas;
import org.apache.uima.resource.ResourceAccessException;

import de.tudarmstadt.ukp.dkpro.core.api.lexmorph.type.pos.POS;
import de.tudarmstadt.ukp.dkpro.core.api.segmentation.type.Token;
import de.tudarmstadt.ukp.dkpro.core.api.semantics.type.SemanticField;
import de.tudarmstadt.ukp.uby.resource.UbySemanticFieldResource;

@TypeCapability(
		inputs = {"de.tudarmstadt.ukp.dkpro.core.api.segmentation.type.Token",
				"de.tudarmstadt.ukp.dkpro.core.api.segmentation.type.Lemma",
				"de.tudarmstadt.ukp.dkpro.core.lexmorph.type.POS"},
		outputs = {
				"de.tudarmstadt.ukp.dkpro.core.api.semantics.type.SemanticField"})

/**
 *
 * This Analysis Engine annotates English or German
 * common nouns, main verbs and adjectives with semantic field information
 * from WordNet or GermaNet.
 * The annotation is stored in the SemanticField annotation type
 *
 * @author Judith Eckle-Kohler
 *
 */
public class UbySemanticFieldAnnotator extends JCasAnnotator_ImplBase
{

	public static final String PARAM_UBY_SEMANTIC_FIELD_RESOURCE = "ubySemanticFieldResource";
	@ExternalResource(key = PARAM_UBY_SEMANTIC_FIELD_RESOURCE)
	private UbySemanticFieldResource ubySemanticFieldResource;

	@Override
	public void process(JCas aJCas) throws AnalysisEngineProcessException {
		for (POS pos : select(aJCas, POS.class)) {
			for (Token token : JCasUtil.selectCovered(aJCas, Token.class, pos)) {
				try {
					String semanticField = ubySemanticFieldResource.getSemanticTag(token);
					SemanticField semanticFieldAnnotation = new SemanticField(aJCas, token.getBegin(), token.getEnd());
					semanticFieldAnnotation.setValue(semanticField);
					semanticFieldAnnotation.addToIndexes();
				} catch (ResourceAccessException e) {
					throw new AnalysisEngineProcessException(e);
				}

			}

		}

	}


}