/*
* 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.attribute;
import io.undertow.server.
HttpServerExchange;
/**
* Exchange attribute that represents a fixed value
*
* @author Stuart Douglas
*/
public class
ConstantExchangeAttribute implements
ExchangeAttribute {
private final
String value;
public
ConstantExchangeAttribute(final
String value) {
this.
value =
value;
}
@
Override
public
String readAttribute(final
HttpServerExchange exchange) {
return
value;
}
@
Override
public void
writeAttribute(final
HttpServerExchange exchange, final
String newValue) throws
ReadOnlyAttributeException {
throw new
ReadOnlyAttributeException("constant",
newValue);
}
}