/*
* 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.core.pc.upgrade.plugins.multi.base;
import java.util.HashSet;
import java.util.Set;
import org.rhq.core.domain.configuration.Configuration;
import org.rhq.core.domain.configuration.PropertySimple;
import org.rhq.core.pluginapi.inventory.DiscoveredResourceDetails;
import org.rhq.core.pluginapi.inventory.InvalidPluginConfigurationException;
import org.rhq.core.pluginapi.inventory.ResourceComponent;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryComponent;
import org.rhq.core.pluginapi.inventory.ResourceDiscoveryContext;
/**
*
* @author Lukas Krejci
*/
public class BaseDiscoveryComponent<T extends ResourceComponent<?>> implements ResourceDiscoveryComponent<T> {
public Set<DiscoveredResourceDetails> discoverResources(ResourceDiscoveryContext<T> context)
throws InvalidPluginConfigurationException, Exception {
HashSet<DiscoveredResourceDetails> results = new HashSet<DiscoveredResourceDetails>();
Configuration pluginConfig = context.getDefaultPluginConfiguration();
String keyTemplate = pluginConfig.getSimpleValue("key", null);
int count = pluginConfig.getSimple("count").getIntegerValue();
int parentN = 0;
if (context.getParentResourceContext() != null) {
PropertySimple parentOrdinalProperty = context.getParentResourceContext().getPluginConfiguration()
.getSimple("ordinal");
if (parentOrdinalProperty != null) {
parentN = parentOrdinalProperty.getIntegerValue();
}
}
for (int i = 0; i < count; ++i) {
String key = getResourceKey(keyTemplate, i, parentN);
pluginConfig = context.getDefaultPluginConfiguration();
pluginConfig.put(new PropertySimple("ordinal", i));
DiscoveredResourceDetails detail = new DiscoveredResourceDetails(context.getResourceType(), key, key, null,
null, pluginConfig, null);
results.add(detail);
}
return results;
}
protected static String getResourceKey(String template, int n, int parentN) {
return template.replace("%n", Integer.toString(n)).replace("%p", Integer.toString(parentN));
}
}