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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;

import java.io.BufferedReader;
import java.io.File;
import java.io.InputStreamReader;

import de.tudarmstadt.ukp.jwktl.api.IWiktionaryEdition;
import de.tudarmstadt.ukp.jwktl.api.IWiktionaryPage;
import de.tudarmstadt.ukp.jwktl.api.WiktionaryFormatter;

/**
 * Offers a command line interface to Wiktionary. You can type a word and 
 * after pressing <enter> the information of corresponding entries will 
 * be printed. In order to quit the interface just hit enter;
 */
public class WiktionaryCli {

	/**
	 * @param args path to parsed Wiktionary data
	 */
	public static void main(String[] args) throws Exception {
		if (args.length != 1)
			throw new IllegalArgumentException("Too few arguments. "
						+ "Required arguments: ");
		
		final String PROMPT = "> ";
		final String END = "";
		String wktPath = args[0];
		WiktionaryFormatter formatter = WiktionaryFormatter.instance();
		
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in, "UTF8"));
		System.out.print(PROMPT);
		try (IWiktionaryEdition wkt = JWKTL.openEdition(new File(wktPath))) {
			String line;
			while ((line = reader.readLine()) != null) {
				if (line.equals(END))
					break;

				IWiktionaryPage page = wkt.getPageForWord(line);
				if (page == null || page.getEntryCount() == 0)
					System.out.println(line + " is not in Wiktionary");
				else
					System.out.println(formatter.formatPage(page));

				System.out.print(PROMPT);
			}
		}
		System.out.println("exit");
	}

}