/*
* 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.server.plugin.pc;
import org.rhq.core.domain.util.StringUtils;
import org.rhq.enterprise.server.xmlschema.generated.serverplugin.ServerPluginDescriptorType;
/**
* Defines the types of server-side plugins that are currently supported.
* Server side plugin types are identified uniquely by their plugin descriptor types.
*
* @author John Mazzitelli
*/
public class ServerPluginType {
private final Class<? extends ServerPluginDescriptorType> descriptorType;
/**
* Given an actual plugin descriptor object, this will create a plugin type
* that represents that kind of plugin.
*
* @param descriptor an actual descriptor parsed from a plugin
*/
public ServerPluginType(ServerPluginDescriptorType descriptor) {
this((descriptor != null) ? descriptor.getClass() : null);
}
/**
* Given a type of plugin descriptor, this will create a plugin type
* that represents that kind of plugin.
*
* @param descriptorType
*/
public ServerPluginType(Class<? extends ServerPluginDescriptorType> descriptorType) {
if (descriptorType == null) {
throw new NullPointerException("descriptorType must not be null");
}
this.descriptorType = descriptorType;
}
/**
* Given a string that was returned by a call to {@link #stringify()}, this
* will create its server plugin type.
*
* @param stringifiedType string representation of a server plugin type.
*
* @throws Exception if the string was invalid
*/
@SuppressWarnings("unchecked")
public ServerPluginType(String stringifiedType) throws Exception {
this((Class<? extends ServerPluginDescriptorType>) Class.forName(stringifiedType));
}
public Class<? extends ServerPluginDescriptorType> getDescriptorType() {
return this.descriptorType;
}
/**
* Returns a "serialized" form of this instance by returning a string
* representation of the type. This is not the same as {@link #toString()}.
* The returned string can be used to reconstitute the type via
* the constructor {@link ServerPluginType#ServerPluginType(String)}.
*
* @return string representation of this type
*/
public String stringify() {
return this.descriptorType.getName();
}
@Override
public String toString() {
String typeName = this.descriptorType.getSimpleName().replace("DescriptorType", "");
return StringUtils.deCamelCase(typeName);
}
@Override
public int hashCode() {
return this.descriptorType.getName().hashCode();
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof ServerPluginType)) {
return false;
}
return this.descriptorType.getName().equals(((ServerPluginType) obj).descriptorType.getName());
}
}