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 /*
  * 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.server.handlers;
Handler that provides support for HTTP/1.1 continue responses.

If the provided predicate returns true then the request will be accepted, otherwise it will be rejected. If no predicate is supplied then all requests will be accepted.

Author(s):
Stuart Douglas
See also:
io.undertow.server.protocol.http.HttpContinue
public class HttpContinueAcceptingHandler implements HttpHandler {
    private final HttpHandler next;
    private final Predicate accept;
    public HttpContinueAcceptingHandler(HttpHandler nextPredicate accept) {
        this. = next;
        this. = accept;
    }
        this(next, Predicates.truePredicate());
    }
    @Override
    public void handleRequest(final HttpServerExchange exchangethrows Exception {
        if(HttpContinue.requiresContinueResponse(exchange)) {
            if(.resolve(exchange)) {
                HttpContinue.sendContinueResponse(exchangenew IoCallback() {
                    @Override
                    public void onComplete(final HttpServerExchange exchangefinal Sender sender) {
                        exchange.dispatch();
                    }
                    @Override
                    public void onException(final HttpServerExchange exchangefinal Sender senderfinal IOException exception) {
                        ..ioException(exception);
                        exchange.endExchange();
                    }
                });
            } else {
                HttpContinue.rejectExchange(exchange);
            }
        } else {
            .handleRequest(exchange);
        }
    }
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