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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.zookeeper.server.auth;
import java.util.List;
import javax.servlet.http.HttpServletRequest;
import org.apache.zookeeper.KeeperException;
import org.apache.zookeeper.data.Id;
import org.apache.zookeeper.server.ServerCnxn;
/**
* Provides backwards compatibility between older {@link AuthenticationProvider}
* implementations and the new {@link ServerAuthenticationProvider} interface.
*/
class WrappedAuthenticationProvider extends ServerAuthenticationProvider {
private final AuthenticationProvider implementation;
static ServerAuthenticationProvider wrap(AuthenticationProvider provider) {
if (provider == null) {
return null;
}
return (provider instanceof ServerAuthenticationProvider)
? (ServerAuthenticationProvider) provider
: new WrappedAuthenticationProvider(provider);
}
private WrappedAuthenticationProvider(AuthenticationProvider implementation) {
this.implementation = implementation;
}
/**
* {@inheritDoc}
*
* forwards to older method {@link #handleAuthentication(ServerCnxn, byte[])}
*/
@Override
public KeeperException.Code handleAuthentication(ServerObjs serverObjs, byte[] authData) {
return implementation.handleAuthentication(serverObjs.getCnxn(), authData);
}
/**
* {@inheritDoc}
*
* forwards to older method {@link #handleAuthentication(HttpServletRequest, byte[])}
* @return
*/
@Override
public List<Id> handleAuthentication(HttpServletRequest request, byte[] authData) {
return implementation.handleAuthentication(request, authData);
}
/**
* {@inheritDoc}
*
* forwards to older method {@link #matches(String, String)}
*/
@Override
public boolean matches(ServerObjs serverObjs, MatchValues matchValues) {
return implementation.matches(matchValues.getId(), matchValues.getAclExpr());
}
@Override
public String getScheme() {
return implementation.getScheme();
}
@Override
public boolean isAuthenticated() {
return implementation.isAuthenticated();
}
@Override
public boolean isValid(String id) {
return implementation.isValid(id);
}
}
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