org.sonar.core.i18n.GwtI18n.java Source code

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Here is the source code for org.sonar.core.i18n.GwtI18n.java

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/*
 * Sonar, open source software quality management tool.
 * Copyright (C) 2008-2012 SonarSource
 * mailto:contact AT sonarsource DOT com
 *
 * Sonar is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * Sonar 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Sonar; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package org.sonar.core.i18n;

import com.google.common.collect.Lists;
import org.apache.commons.lang.StringEscapeUtils;
import org.sonar.api.ServerComponent;

import java.util.*;

public class GwtI18n implements ServerComponent {
    public static final String GWT_BUNDLE = I18nManager.BUNDLE_PACKAGE + "gwt";

    private I18nManager manager;
    private String[] propertyKeys;

    public GwtI18n(I18nManager manager) {
        this.manager = manager;
    }

    public void start() {
        doStart(getBundle(Locale.ENGLISH));
    }

    void doStart(ResourceBundle englishBundle) {
        List<String> keys = Lists.newArrayList();
        Enumeration<String> enumeration = englishBundle.getKeys();
        while (enumeration.hasMoreElements()) {
            String propertyKey = enumeration.nextElement();
            keys.add(propertyKey);
        }
        propertyKeys = keys.toArray(new String[keys.size()]);
    }

    String[] getPropertyKeys() {
        return propertyKeys;
    }

    /**
     * Used by the JRuby on Rails application
     */
    public String getJsDictionnary(Locale locale) {
        ResourceBundle bundle = getBundle(locale);
        return getJsDictionnary(bundle);
    }

    String getJsDictionnary(ResourceBundle bundle) {
        StringBuilder js = new StringBuilder("var l10n = {");
        for (int index = 0; index < propertyKeys.length; index++) {
            String key = propertyKeys[index];
            String value = StringEscapeUtils.escapeJavaScript(bundle.getString(key));
            if (index > 0) {
                js.append(",");
            }
            js.append("\"").append(key).append("\": \"").append(value).append("\"");
        }
        js.append("};");
        return js.toString();
    }

    ResourceBundle getBundle(Locale locale) {
        try {
            return ResourceBundle.getBundle(GWT_BUNDLE, locale, manager.getBundleClassLoader());
        } catch (MissingResourceException e) {
            throw new IllegalStateException("The English bundle for GWT extensions is not deployed", e);
        }
    }
}