de.tudarmstadt.ukp.jwktl.parser.en.components.ENEtymologyHandler Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of dkpro-jwktl Show documentation

JWKTL (Java Wiktionary Library) is a Java-based API that enables efficient and structured access to the information encoded in the English and the German Wiktionary edition, including sense definitions, part of speech tags, etymology, example sentences, translations, semantic relations and many other lexical information types.

The newest version!

/*******************************************************************************
 * Copyright 2013
 * 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.jwktl.parser.en.components;

import java.util.Arrays;
import java.util.List;

import de.tudarmstadt.ukp.jwktl.api.entry.WikiString;
import de.tudarmstadt.ukp.jwktl.parser.util.ParsingContext;
import de.tudarmstadt.ukp.jwktl.parser.util.StringUtils;

/**
 * Parser component for extracting etymological information from 
 * the English Wiktionary. 
 * @author Christian M. Meyer
 * @author Lizhen Qu
 */
public class ENEtymologyHandler extends ENBlockHandler {	
	private static List SPELLINGS = Arrays.asList("etymology", "etymolgy",
			"eytomology", "etmology", "eymology");
	protected StringBuffer contentBuffer;

	public boolean canHandle(String blockHeader) {
		return SPELLINGS.contains(StringUtils.strip(blockHeader, "{}=: 1234567890").toLowerCase());
	}
	
	@Override
	public boolean processHead(String textLine, ParsingContext context) {	
		contentBuffer = new StringBuffer();
		return true;
	}

	@Override
	public boolean processBody(String textLine, ParsingContext context) {
		if (!textLine.isEmpty() && !textLine.startsWith("===")) {
			contentBuffer.append(textLine);
		}
		return false;
	}

	public void fillContent(final ParsingContext context) {
		if (!contentBuffer.toString().trim().isEmpty()) {
			context.setEtymology(new WikiString(contentBuffer.toString().trim()));
		} else {
			context.setEtymology(null);
		}
	}
}