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 * 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.security.handlers;

import io.undertow.security.api.AuthenticationMode;
import io.undertow.security.api.SecurityContext;
import io.undertow.security.api.SecurityContextFactory;
import io.undertow.security.idm.IdentityManager;
import io.undertow.security.impl.SecurityContextFactoryImpl;
import io.undertow.server.HttpHandler;
import io.undertow.server.HttpServerExchange;

The security handler responsible for attaching the SecurityContext to the current HttpServerExchange. This handler is called early in the processing of the incoming request, subsequently supported authentication mechanisms will be added to the context, a decision will then be made if authentication is required or optional and the associated mechanisms will be called. In addition to the HTTPExchange authentication state can also be associated with the HttpServerConnection and with the Session however this is mechanism specific so it is down to the actual mechanisms to decide if there is state that can be re-used. 
Author:
Darran Lofthouse/**
 * The security handler responsible for attaching the SecurityContext to the current {@link HttpServerExchange}.
 *
 * This handler is called early in the processing of the incoming request, subsequently supported authentication mechanisms will
 * be added to the context, a decision will then be made if authentication is required or optional and the associated mechanisms
 * will be called.
 *
 * In addition to the HTTPExchange authentication state can also be associated with the
 * {@link io.undertow.server.protocol.http.HttpServerConnection} and with the {@link io.undertow.server.session.Session} however this is
 * mechanism specific so it is down to the actual mechanisms to decide if there is state that can be re-used.
 *
 * @author <a href="mailto:darran.lofthouse@jboss.com">Darran Lofthouse</a>
 */
@SuppressWarnings("deprecation")
public class SecurityInitialHandler extends AbstractSecurityContextAssociationHandler {

    private final AuthenticationMode authenticationMode;
    private final IdentityManager identityManager;
    private final String programaticMechName;
    private final SecurityContextFactory contextFactory;

    public SecurityInitialHandler(final AuthenticationMode authenticationMode, final IdentityManager identityManager,
            final String programaticMechName, final SecurityContextFactory contextFactory, final HttpHandler next) {
        super(next);
        this.authenticationMode = authenticationMode;
        this.identityManager = identityManager;
        this.programaticMechName = programaticMechName;
        this.contextFactory = contextFactory;
    }

    public SecurityInitialHandler(final AuthenticationMode authenticationMode, final IdentityManager identityManager,
            final String programaticMechName, final HttpHandler next) {
        this(authenticationMode, identityManager, programaticMechName, SecurityContextFactoryImpl.INSTANCE, next);
    }

    public SecurityInitialHandler(final AuthenticationMode authenticationMode, final IdentityManager identityManager,
            final HttpHandler next) {
        this(authenticationMode, identityManager, null, SecurityContextFactoryImpl.INSTANCE, next);
    }

    
See Also:
createSecurityContext.createSecurityContext()/**
     * @see io.undertow.security.handlers.AbstractSecurityContextAssociationHandler#createSecurityContext()
     */
    @Override
    public SecurityContext createSecurityContext(final HttpServerExchange exchange) {
        return contextFactory.createSecurityContext(exchange, authenticationMode, identityManager, programaticMechName);
    }


}