/*
* JBoss, Home of Professional Open Source.
*
* Copyright 2011 Red Hat, Inc. and/or its affiliates, and individual
* contributors as indicated by the @author tags.
*
* 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.xnio;
import static org.xnio._private.
Messages.
msg;
/**
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
final class
SingleOption<T> extends
Option<T> {
private static final long
serialVersionUID = 2449094406108952764L;
private final transient
Class<T>
type;
private final transient
ValueParser<T>
parser;
SingleOption(final
Class<?>
declClass, final
String name, final
Class<T>
type) {
super(
declClass,
name);
if (
type == null) {
throw
msg.
nullParameter("type");
}
this.
type =
type;
parser =
Option.
getParser(
type);
}
public T
cast(final
Object o) {
return
type.
cast(
o);
}
public T
parseValue(final
String string, final
ClassLoader classLoader) throws
IllegalArgumentException {
return
parser.
parseValue(
string,
classLoader);
}
}