ru.mystamps.web.tests.TranslationUtils.java Source code

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Here is the source code for ru.mystamps.web.tests.TranslationUtils.java

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/*
 * Copyright (C) 2009-2015 Slava Semushin <slava.semushin@gmail.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 */
package ru.mystamps.web.tests;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.net.URISyntaxException;
import java.text.MessageFormat;
import java.util.PropertyResourceBundle;
import java.util.ResourceBundle;

import org.apache.commons.io.IOUtils;

public final class TranslationUtils {

    private static final String[] PROPERTIES_FILE_NAMES = new String[] { "ru/mystamps/i18n/Messages.properties",
            "ru/mystamps/i18n/ValidationMessages.properties",
            "ru/mystamps/i18n/SpringSecurityMessages.properties" };

    private static final ResourceBundle[] BUNDLES;

    static {
        BUNDLES = new ResourceBundle[PROPERTIES_FILE_NAMES.length];
        int i = 0;
        for (String propertiesFileName : PROPERTIES_FILE_NAMES) {
            BUNDLES[i++] = getResourceBundleForFile(propertiesFileName);
        }
    }

    private TranslationUtils() {
    }

    private static ResourceBundle getResourceBundleForFile(String filename) {
        FileInputStream stream = null;
        try {
            File file = new File(TranslationUtils.class.getClassLoader().getResource(filename).toURI());
            stream = new FileInputStream(file);
            return new PropertyResourceBundle(stream);

        } catch (IOException | URISyntaxException ex) {
            throw new RuntimeException(ex);

        } finally {
            IOUtils.closeQuietly(stream);
        }
    }

    public static String tr(String key) {
        String msg = "";

        for (ResourceBundle bundle : BUNDLES) {
            if (bundle.containsKey(key)) {
                return bundle.getString(key);
            }
        }

        return msg;
    }

    // TODO: add simple unit tests (#93)
    public static String stripHtmlTags(String msg) {
        return msg.replaceAll("\\<.*?>", "");
    }

    public static String tr(String key, Object... args) {
        // TODO: replace this hack to something less ugly
        String messageFormat = tr(key).replaceAll("\\{[^\\}]+\\}", "{0}");
        return MessageFormat.format(messageFormat, args);
    }

}