CombinedHttpHeaders.java — netty Source File

Source Code

/*
 * Copyright 2015 The Netty Project
 *
 * The Netty Project 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:
 *
 *   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 io.netty.handler.codec.http;

import io.netty.handler.codec.DefaultHeaders;
import io.netty.handler.codec.DefaultHeaders.NameValidator;
import io.netty.handler.codec.DefaultHeaders.ValueValidator;
import io.netty.handler.codec.Headers;
import io.netty.handler.codec.ValueConverter;
import io.netty.util.HashingStrategy;
import io.netty.util.internal.StringUtil;

import java.util.Collection;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.function.BiPredicate;

import static io.netty.handler.codec.http.HttpHeaderNames.SET_COOKIE;
import static io.netty.util.AsciiString.CASE_INSENSITIVE_HASHER;
import static io.netty.util.internal.ObjectUtil.checkNotNull;
import static io.netty.util.internal.StringUtil.COMMA;
import static io.netty.util.internal.StringUtil.unescapeCsvFields;

/**
 * Will add multiple values for the same header as single header with a comma separated list of values.
 * <p>
 * Please refer to section <a href="https://tools.ietf.org/html/rfc7230#section-3.2.2">RFC 7230, 3.2.2</a>.
 */
public class CombinedHttpHeaders extends DefaultHttpHeaders {
    /**
     * Create a combined HTTP header object, with optional validation.
     *
     * @param validate Should Netty validate header values to ensure they aren't malicious.
     * @deprecated Prefer instead to configuring a {@link HttpHeadersFactory}
     * by calling {@link DefaultHttpHeadersFactory#withCombiningHeaders(boolean) withCombiningHeaders(true)}
     * on {@link DefaultHttpHeadersFactory#headersFactory()}.
     */
    @Deprecated
    public CombinedHttpHeaders(boolean validate) {
        super(new CombinedHttpHeadersImpl(CASE_INSENSITIVE_HASHER, valueConverter(), nameValidator(validate),
                valueValidator(validate)));
    }

    CombinedHttpHeaders(NameValidator<CharSequence> nameValidator, ValueValidator<CharSequence> valueValidator) {
        super(new CombinedHttpHeadersImpl(
                CASE_INSENSITIVE_HASHER,
// ... (283 more lines)