Java tutorial
/* * @(#)$Id$ * * Copyright 2006-2008 Makoto YUI * * 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. * * Contributors: * Makoto YUI - initial implementation */ package gridool.monitor; import gridool.GridExecutionListener; import gridool.GridResourceRegistry; import gridool.Settings; import gridool.util.lang.ObjectUtils; import javax.annotation.Nonnull; import org.apache.commons.logging.LogFactory; /** * * <DIV lang="en"></DIV> * <DIV lang="ja"></DIV> * * @author Makoto YUI (yuin405@gmail.com) */ public final class GridMonitorFactory { private GridMonitorFactory() { } public static GridExecutionMonitor createExecutionMonitor(GridResourceRegistry registry) { GridExecutionMonitor monitor = new GridExecutionMonitor(registry); String additional = Settings.get("grid.monitor.exec_listener"); if (additional != null) { setupAdditionalListeners(monitor, additional); } registry.setExecutionMonitor(monitor); return monitor; } private static void setupAdditionalListeners(@Nonnull GridExecutionMonitor monitor, @Nonnull String additional) { final String[] listeners = additional.split(","); for (String listenerClazz : listeners) { Object obj = ObjectUtils.instantiateSafely(listenerClazz.trim()); if (obj != null && obj instanceof GridExecutionListener) { GridExecutionListener listener = (GridExecutionListener) obj; monitor.addListener(listener); } else { LogFactory.getLog(GridMonitorFactory.class) .warn("Specified GridExecutionListener not found: " + listenerClazz); } } } }