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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.

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/*******************************************************************************
 * 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.examples;

import java.io.File;

import de.tudarmstadt.ukp.jwktl.JWKTL;
import de.tudarmstadt.ukp.jwktl.api.IWiktionaryEdition;
import de.tudarmstadt.ukp.jwktl.api.IWiktionaryEntry;
import de.tudarmstadt.ukp.jwktl.api.IWiktionaryPage;
import de.tudarmstadt.ukp.jwktl.api.PartOfSpeech;
import de.tudarmstadt.ukp.jwktl.api.filter.WiktionaryEntryFilter;
import de.tudarmstadt.ukp.jwktl.api.util.Language;

/**
 * Simple example for iterating over all pages, entries, and senses in 
 * Wiktionary and printing their count.
 * @author Yevgen Chebotar
 * @author Christian M. Meyer
 */
public class Example3_IterateEntries {

	/** Runs the example.
	 *  @param args name of the directory of parsed Wiktionary data. */
	public static void main(String[] args) {
		if (args.length != 1)
			throw new IllegalArgumentException("Too few arguments. "
						+ "Required arguments: ");
				
		// Create new IWiktionaryEdition for our parsed data.
		String wktPath = args[0];
		IWiktionaryEdition wkt = JWKTL.openEdition(new File(wktPath));
		
		// Iterate over all pages and count the pages, entries, and senses.
		int pageCount = 0;
		int entryCount = 0;
		int senseCount = 0;
		for (IWiktionaryPage page : wkt.getAllPages()) {
			for (IWiktionaryEntry entry : page.getEntries()) {
				senseCount += entry.getSenseCount();
				entryCount++;
			}
			pageCount++;
		}
		System.out.println("Pages: " + pageCount);
		System.out.println("Entries: " + entryCount);
		System.out.println("Senses: " + senseCount);
		
		// Iterate over all German adjectives, print and count them.
		WiktionaryEntryFilter filter = new WiktionaryEntryFilter();
		filter.setAllowedWordLanguages(Language.GERMAN);
		filter.setAllowedPartsOfSpeech(PartOfSpeech.ADJECTIVE);
		int deAdjectiveCount = 0;
		for (IWiktionaryEntry entry : wkt.getAllEntries(filter)) {
			System.out.println(entry.getWord());
			deAdjectiveCount++;
		}
		System.out.println("German adjectives: " + deAdjectiveCount);
		
		// Close the Wiktionary edition.
		wkt.close();	
	}
	
}