/*
* JBoss, Home of Professional Open Source.
* Copyright 2014 Red Hat, Inc., 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 io.undertow.util;
/**
* @author <a href="mailto:david.lloyd@redhat.com">David M. Lloyd</a>
*/
class SimpleAttachmentKey<T> extends AttachmentKey<T> {
private final Class<T> valueClass;
SimpleAttachmentKey(final Class<T> valueClass) {
this.valueClass = valueClass;
}
public T cast(final Object value) {
return valueClass.cast(value);
}
@Override
public String toString() {
if (valueClass != null) {
StringBuilder sb = new StringBuilder(getClass().getName());
sb.append("<");
sb.append(valueClass.getName());
sb.append(">");
return sb.toString();
}
return super.toString();
}
}