001/*
002 * (C) Copyright 2012 Nuxeo SA (http://nuxeo.com/) and contributors.
003 *
004 * All rights reserved. This program and the accompanying materials
005 * are made available under the terms of the GNU Lesser General Public License
006 * (LGPL) version 2.1 which accompanies this distribution, and is available at
007 * http://www.gnu.org/licenses/lgpl.html
008 *
009 * This library is distributed in the hope that it will be useful,
010 * but WITHOUT ANY WARRANTY; without even the implied warranty of
011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
012 * Lesser General Public License for more details.
013 *
014 * Contributors:
015 *     Anahide Tchertchian
016 */
017package org.nuxeo.ecm.webapp.seam.messages;
018
019import static org.jboss.seam.annotations.Install.APPLICATION;
020
021import java.util.MissingResourceException;
022import java.util.ResourceBundle;
023
024import org.jboss.seam.ScopeType;
025import org.jboss.seam.annotations.Install;
026import org.jboss.seam.annotations.Name;
027import org.jboss.seam.annotations.Scope;
028import org.jboss.seam.annotations.intercept.BypassInterceptors;
029import org.jboss.seam.core.Locale;
030import org.jboss.seam.core.ResourceLoader;
031import org.jboss.seam.log.LogProvider;
032import org.jboss.seam.log.Logging;
033
034/**
035 * Overriden to add a control over reload of bundle for hot reload
036 *
037 * @since 5.6
038 */
039@Scope(ScopeType.STATELESS)
040@BypassInterceptors
041@Name("org.jboss.seam.core.resourceLoader")
042// XXX: since debug mode cannot be set by using nuxeo debug/dev mode, make
043// sure this component is deployed even in production => debug = false
044@Install(precedence = APPLICATION, debug = false)
045public class HotReloadResourceLoader extends ResourceLoader {
046
047    private static final LogProvider log = Logging.getLogProvider(HotReloadResourceLoader.class);
048
049    @Override
050    public ResourceBundle loadBundle(String bundleName) {
051        try {
052            ResourceBundle.Control control = HotReloadResourceBundleControl.instance();
053            ResourceBundle bundle = ResourceBundle.getBundle(bundleName, Locale.instance(),
054                    Thread.currentThread().getContextClassLoader(), control);
055            log.debug("loaded resource bundle: " + bundleName);
056            return bundle;
057        } catch (MissingResourceException mre) {
058            log.debug("resource bundle missing: " + bundleName);
059            return null;
060        }
061    }
062}