/*
* RHQ Management Platform
* Copyright (C) 2005-2010 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.configuration.group;
import java.util.Map;
import javax.faces.application.FacesMessage;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.resource.group.GroupCategory;
import org.rhq.core.domain.resource.group.ResourceGroup;
import org.rhq.core.gui.configuration.propset.ConfigurationSet;
import org.rhq.core.gui.util.FacesContextUtility;
import org.rhq.enterprise.gui.util.EnterpriseFacesContextUtility;
import org.rhq.enterprise.server.configuration.ConfigurationManagerLocal;
import org.rhq.enterprise.server.configuration.ConfigurationUpdateStillInProgressException;
import org.rhq.enterprise.server.resource.ResourceManagerLocal;
import org.rhq.enterprise.server.util.LookupUtil;
/**
* An abstract base class for the Seam components for viewing and editing group Configurations. Requires the 'groupId'
* request parameter to be specified.
*
* @author Ian Springer
*/
public abstract class AbstractGroupResourceConfigurationUIBean {
private final Log log = LogFactory.getLog(AbstractGroupResourceConfigurationUIBean.class);
private ConfigurationManagerLocal configurationManager = LookupUtil.getConfigurationManager();
private ResourceManagerLocal resourceManager = LookupUtil.getResourceManager();
private ResourceGroup group;
private Map<Integer, Configuration> resourceConfigurations;
private ConfigurationSet configurationSet;
/**
* Load the ConfigurationDefinition and member Configurations for the current compatible group.
*/
protected void loadConfigurations() {
try {
this.group = loadGroup();
this.resourceConfigurations = this.configurationManager.getResourceConfigurationsForCompatibleGroup(
EnterpriseFacesContextUtility.getSubject(), this.group.getId());
} catch (ConfigurationUpdateStillInProgressException updateException) {
FacesContextUtility.addMessage(FacesMessage.SEVERITY_WARN,
"Configuration update is currently in progress. Please wait a few moments and refresh the page.");
return;
} catch (RuntimeException e) {
// NOTE: In order for this message to be displayed, an EL expression referencing the managed bean must
// be on the page somewhere above the h:messages tag.
FacesContextUtility.addMessage(FacesMessage.SEVERITY_FATAL, "Failed to load group Resource configuration.",
e);
log.error("Failed to load group Resource configuration.", e);
return;
} catch (Exception e) {
// NOTE: In order for this message to be displayed, an EL expression referencing the managed bean must
// be on the page somewhere above the h:messages tag.
FacesContextUtility.addMessage(FacesMessage.SEVERITY_ERROR, "Cannot load group Resource configuration.", e);
return;
}
if (this.resourceConfigurations.isEmpty()) {
FacesContextUtility.addMessage(FacesMessage.SEVERITY_WARN,
"Cannot load group Resource configuration, this group has no members");
} else {
this.configurationSet = GroupResourceConfigurationUtility.buildConfigurationSet(
EnterpriseFacesContextUtility.getSubject(), this.group, this.resourceConfigurations);
}
return;
}
private ResourceGroup loadGroup() throws Exception {
ResourceGroup group;
try {
group = EnterpriseFacesContextUtility.getResourceGroup();
} catch (Exception e) {
throw new Exception("No group is associated with this request ('groupId' request parameter is not set).");
}
if (group.getGroupCategory() != GroupCategory.COMPATIBLE) {
throw new Exception("Group with id " + group.getId() + " is not a compatible group.");
}
return group;
}
public ConfigurationManagerLocal getConfigurationManager() {
return configurationManager;
}
public ResourceManagerLocal getResourceManager() {
return resourceManager;
}
public ResourceGroup getGroup() {
return group;
}
public Map<Integer, Configuration> getResourceConfigurations() {
return resourceConfigurations;
}
public ConfigurationSet getConfigurationSet() {
return configurationSet;
}
}