com.aventstack.extentreports.gherkin.GherkinDialectProvider Maven / Gradle / Ivy

Show more of this group Show more artifacts with this name
Show all versions of extentreports Show documentation

Extent Framework

There is a newer version: 5.1.1

package com.aventstack.extentreports.gherkin;

import java.io.InputStreamReader;
import java.io.Reader;
import java.io.UnsupportedEncodingException;
import java.util.List;
import java.util.Map;

import com.google.gson.Gson;

/**
 * 
 * Modified version of GherkinDialectProvider.java from cucumber/gherkin. Source
 * url:
 * https://github.com/cucumber/cucumber/blob/master/gherkin/java/src/main/java/gherkin/GherkinDialectProvider.java.
 * 
 * 
 * Gherkin source is licensed under the MIT License
 *
 */
@SuppressWarnings("unchecked")
public class GherkinDialectProvider {

	private static final String DEFAULT_LANGUAGE = "en";
	private static final String GHERKIN_LANGUAGES_JSON_URL = "https://github.com/cucumber/cucumber/blob/master/gherkin/gherkin-languages.json";
	private static final String GHERKIN_LANGUAGES_PATH = "gherkin-languages.json";

	private static GherkinDialect currentDialect;
	private static Map>> dialects;
	private static String language;

	static {
		Gson gson = new Gson();
		try {
			Reader d = new InputStreamReader(GherkinDialectProvider.class.getResourceAsStream(GHERKIN_LANGUAGES_PATH),
					"UTF-8");
			dialects = gson.fromJson(d, Map.class);
		} catch (UnsupportedEncodingException e) {
			throw new RuntimeException(e);
		}
	}

	public static GherkinDialect getDialect() {
		return currentDialect;
	}

	public static String getDefaultLanguage() {
		return DEFAULT_LANGUAGE;
	}

	public static String getLanguage() {
		if (language == null || language.isEmpty()) {
			language = DEFAULT_LANGUAGE;
		}
		return language;
	}

	/**
	 * Sets/changes the default language
	 * 
	 * @param lang A valid dialect from 
	 *             https://github.com/cucumber/cucumber/blob/master/gherkin/gherkin-languages.json
	 * 
	 * @throws UnsupportedEncodingException Thrown if the language is one of the
	 *                                      supported language from 
	 *                                      https://github.com/cucumber/cucumber/blob/master/gherkin/gherkin-languages.json
	 */
	public static void setLanguage(String lang) throws UnsupportedEncodingException {
		language = lang;
		Map> map = dialects.get(GherkinDialectProvider.language);
		if (map == null) {
			throw new UnsupportedEncodingException("Invalid language [" + language + "]. See list of supported languages: " + GHERKIN_LANGUAGES_JSON_URL);
		}
		currentDialect = new GherkinDialect(language, map);
	}

}