/**
* 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.
*/
package org.apache.aurora.common.args.parsers;
import java.lang.reflect.Type;
import java.util.List;
import com.google.common.base.Preconditions;
import org.apache.aurora.common.args.ArgParser;
import org.apache.aurora.common.args.ParserOracle;
import org.apache.aurora.common.args.TypeUtil;
/**
* Class parser.
*
* @author William Farner
*/
@ArgParser
public class ClassParser extends TypeParameterizedParser<Class<?>> {
public ClassParser() {
super(1);
}
@Override
public Class<?> doParse(ParserOracle parserOracle, String raw, final List<Type> typeParams) {
Class<?> rawClassType = TypeUtil.getRawType(typeParams.get(0));
try {
Class<?> actualClass = Class.forName(raw);
Preconditions.checkArgument(rawClassType.isAssignableFrom(actualClass));
return actualClass;
} catch (ClassNotFoundException e) {
throw new IllegalArgumentException("Could not find class " + raw);
}
}
}