/*******************************************************************************
* Mission Control Technologies, Copyright (c) 2009-2012, United States Government
* as represented by the Administrator of the National Aeronautics and Space
* Administration. All rights reserved.
*
* The MCT platform is 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.
*
* MCT includes source code licensed under additional open source licenses. See
* the MCT Open Source Licenses file included with this distribution or the About
* MCT Licenses dialog available at runtime from the MCT Help menu for additional
* information.
*******************************************************************************/
package gov.nasa.arc.mct.services.component;
import gov.nasa.arc.mct.platform.spi.Platform;
import gov.nasa.arc.mct.platform.spi.PlatformAccess;
import gov.nasa.arc.mct.services.internal.component.CoreComponentRegistry;
/**
* Provides information about a type relevant to MCT.
* Serves as an abstract superclass for ComponentTypeInfo,
* ViewInfo, and PolicyInfo, allowing these to be dealt
* with in a unified manner where appropriate.
*
* This should typically be parameterized with a high-level
* class (such as AbstractComponent, View, or Policy)
* and given a specific concrete subclass thereof in the
* constructor.
*
* @author vwoeltje
*
* @param <T> the class which characterizes these types
*/
public abstract class TypeInfo<T> {
private Class<? extends T> typeClass;
/**
* Instantiate a new new TypeInfo object for the
* specified class.
* @param typeClass the specific class being described
*/
public TypeInfo(Class<? extends T> typeClass) {
this.typeClass = typeClass;
}
/**
* Get the specific class being described by this
* type info.
* @return the specific class being described
*/
public Class<? extends T> getTypeClass() {
return typeClass;
}
/**
* Get an asset associated with this type.
* For instance, getAsset(ImageIcon.class) to get
* an icon.
* @param assetClass the type of asset desired
* @param <A> the type of asset desired
* @return an object of the desired type (or null if none is available)
*/
public <A> A getAsset(Class<A> assetClass) {
Platform platform = PlatformAccess.getPlatform();
if (platform != null) {
CoreComponentRegistry registry = platform.getComponentRegistry();
if (registry != null) {
return registry.getAsset(this, assetClass);
}
}
return null;
}
}