/*
* RHQ Management Platform
* Copyright (C) 2005-2008 Red Hat, Inc.
* All rights reserved.
*
* 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 version 2 of the License.
*
* 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
package org.rhq.enterprise.gui.common.framework;
import java.util.TimeZone;
import javax.faces.component.UIComponent;
import com.sun.facelets.Facelet;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rhq.core.util.maven.MavenArtifactNotFoundException;
import org.rhq.core.util.maven.MavenArtifactProperties;
import org.rhq.enterprise.server.RHQConstants;
import org.rhq.enterprise.server.system.SystemManagerLocal;
import org.rhq.enterprise.server.util.LookupUtil;
/**
* A JSF managed bean that exposes various general server information - RHQ version, timezone, etc.
*
* @author Ian Springer
*/
public class ServerInfoUIBean {
private static final String UNKNOWN_VERSION = "UNKNOWN";
private final Log log = LogFactory.getLog(this.getClass());
public TimeZone getTimeZone() {
return TimeZone.getDefault();
}
public boolean isDebugModeEnabled() {
SystemManagerLocal systemManager = LookupUtil.getSystemManager();
return Boolean.valueOf(systemManager.getSystemConfiguration(LookupUtil.getSubjectManager().getOverlord())
.getProperty(RHQConstants.EnableDebugMode));
}
public boolean isExperimentalFeaturesEnabled() {
SystemManagerLocal systemManager = LookupUtil.getSystemManager();
return Boolean.valueOf(systemManager.getSystemConfiguration(LookupUtil.getSubjectManager().getOverlord())
.getProperty(RHQConstants.EnableExperimentalFeatures));
}
public String getFacesVersion() {
return getManifestVersion(UIComponent.class);
}
public String getFaceletsVersion() {
return getManifestVersion(Facelet.class);
}
public String getSeamVersion() {
return ""; //getManifestVersion(Component.class);
}
public String getRichFacesVersion() {
MavenArtifactProperties richFacesMavenProps;
try {
richFacesMavenProps = MavenArtifactProperties.getInstance("org.richfaces.framework", "richfaces-api");
} catch (MavenArtifactNotFoundException e) {
log.error("Could not ascertain RichFaces version.", e);
richFacesMavenProps = null;
}
String richFacesVersion = (richFacesMavenProps != null) ? richFacesMavenProps.getVersion() : null;
return (richFacesVersion != null) ? richFacesVersion : UNKNOWN_VERSION;
}
private String getManifestVersion(Class clazz) {
String version = null;
try {
Package pkg = clazz.getPackage();
if (pkg != null) {
version = pkg.getImplementationVersion();
if (version == null) {
version = pkg.getSpecificationVersion();
}
}
} catch (Exception e) {
log.error("Error while looking up manifest version for " + clazz + ".", e);
}
return version;
}
}