/*
* 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;
/**
* The ident username, not used, included for apache access log compatibility
*
* @author Stuart Douglas
*/
public class
IdentUsernameAttribute implements
ExchangeAttribute {
public static final
String IDENT_USERNAME = "%l";
public static final
ExchangeAttribute INSTANCE = new
IdentUsernameAttribute();
private
IdentUsernameAttribute() {
}
@
Override
public
String readAttribute(final
HttpServerExchange exchange) {
return null;
}
@
Override
public void
writeAttribute(final
HttpServerExchange exchange, final
String newValue) throws
ReadOnlyAttributeException {
throw new
ReadOnlyAttributeException("Ident username",
newValue);
}
public static final class
Builder implements
ExchangeAttributeBuilder {
@
Override
public
String name() {
return "Ident Username";
}
@
Override
public
ExchangeAttribute build(final
String token) {
if (
token.
equals(
IDENT_USERNAME)) {
return
IdentUsernameAttribute.
INSTANCE;
}
return null;
}
@
Override
public int
priority() {
return 0;
}
}
}