author | lucy |
Mon, 09 Oct 2017 11:43:42 +0200 | |
changeset 47606 | 660175b829e8 |
parent 47216 | 71c04702a3d5 |
child 48083 | b1c1b4ef4be2 |
child 55763 | 634d8e14c172 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package jdk.incubator.http; |
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|
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import java.util.List; |
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import java.util.Map; |
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import java.util.Optional; |
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import java.util.OptionalLong; |
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/** |
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* A read-only view of a set of HTTP headers. |
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* {@Incubating} |
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* |
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* @since 9 |
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*/ |
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public interface HttpHeaders { |
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/** |
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* Returns an {@link java.util.Optional} containing the first value of the |
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* given named (and possibly multi-valued) header. If the header is not |
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* present, then the returned {@code Optional} is empty. |
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* |
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* @param name the header name |
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* @return an {@code Optional<String>} for the first named value |
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*/ |
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public Optional<String> firstValue(String name); |
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|
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/** |
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* Returns an {@link java.util.OptionalLong} containing the first value of the |
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* named header field. If the header is not |
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* present, then the Optional is empty. If the header is present but |
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* contains a value that does not parse as a {@code Long} value, then an |
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* exception is thrown. |
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* |
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* @param name the header name |
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* @return an {@code OptionalLong} |
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* @throws NumberFormatException if a value is found, but does not parse as |
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* a Long |
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*/ |
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public OptionalLong firstValueAsLong(String name); |
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/** |
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* Returns an unmodifiable List of all of the values of the given named |
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* header. Always returns a List, which may be empty if the header is not |
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* present. |
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* |
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* @param name the header name |
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* @return a List of String values |
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*/ |
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public List<String> allValues(String name); |
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/** |
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* Returns an unmodifiable multi Map view of this HttpHeaders. This |
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* interface should only be used when it is required to iterate over the |
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* entire set of headers. |
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* |
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* @return the Map |
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*/ |
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public Map<String,List<String>> map(); |
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} |