org.springframework.security.web.authentication.DelegatingAuthenticationFailureHandler Maven / Gradle / Ivy
/*
* Copyright 2002-2015 the original author or authors.
*
* 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
*
* https://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.springframework.security.web.authentication;
import java.io.IOException;
import java.util.LinkedHashMap;
import java.util.Map;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.springframework.security.core.AuthenticationException;
import org.springframework.util.Assert;
/**
* An {@link AuthenticationFailureHandler} that delegates to other
* {@link AuthenticationFailureHandler} instances based upon the type of
* {@link AuthenticationException} passed into
* {@link #onAuthenticationFailure(HttpServletRequest, HttpServletResponse, AuthenticationException)}
* .
*
* @author Kazuki Shimizu
* @since 4.0
*/
public class DelegatingAuthenticationFailureHandler implements AuthenticationFailureHandler {
private final LinkedHashMap, AuthenticationFailureHandler> handlers;
private final AuthenticationFailureHandler defaultHandler;
/**
* Creates a new instance
* @param handlers a map of the {@link AuthenticationException} class to the
* {@link AuthenticationFailureHandler} that should be used. Each is considered in the
* order they are specified and only the first {@link AuthenticationFailureHandler} is
* ued. This parameter cannot specify null or empty.
* @param defaultHandler the default {@link AuthenticationFailureHandler} that should
* be used if none of the handlers matches. This parameter cannot specify null.
* @throws IllegalArgumentException if invalid argument is specified
*/
public DelegatingAuthenticationFailureHandler(
LinkedHashMap, AuthenticationFailureHandler> handlers,
AuthenticationFailureHandler defaultHandler) {
Assert.notEmpty(handlers, "handlers cannot be null or empty");
Assert.notNull(defaultHandler, "defaultHandler cannot be null");
this.handlers = handlers;
this.defaultHandler = defaultHandler;
}
@Override
public void onAuthenticationFailure(HttpServletRequest request, HttpServletResponse response,
AuthenticationException exception) throws IOException, ServletException {
for (Map.Entry, AuthenticationFailureHandler> entry : this.handlers
.entrySet()) {
Class handlerMappedExceptionClass = entry.getKey();
if (handlerMappedExceptionClass.isAssignableFrom(exception.getClass())) {
AuthenticationFailureHandler handler = entry.getValue();
handler.onAuthenticationFailure(request, response, exception);
return;
}
}
this.defaultHandler.onAuthenticationFailure(request, response, exception);
}
}