118 lines
3.4 KiB
Java
118 lines
3.4 KiB
Java
/*
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* Copyright 2012 The Netty Project
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*
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* The Netty Project licenses this file to you under the Apache License,
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* version 2.0 (the "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at:
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*/
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package io.netty.handler.codec.http;
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import static io.netty.handler.codec.http.CookieEncoderUtil.*;
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/**
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* Encodes client-side {@link Cookie}s into an HTTP header value. This encoder can encode
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* the HTTP cookie version 0, 1, and 2.
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* <pre>
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* // Example
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* {@link HttpRequest} req = ...;
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* res.setHeader("Cookie", {@link ClientCookieEncoder}.encode("JSESSIONID", "1234"));
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* </pre>
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*
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* @see CookieDecoder
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*/
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public final class ClientCookieEncoder {
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/**
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* Encodes the specified cookie into an HTTP header value.
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*/
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public static String encode(String name, String value) {
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return encode(new DefaultCookie(name, value));
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}
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public static String encode(Cookie cookie) {
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if (cookie == null) {
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throw new NullPointerException("cookie");
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}
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StringBuilder buf = new StringBuilder();
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encode(buf, cookie);
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return stripTrailingSeparator(buf);
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}
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public static String encode(Cookie... cookies) {
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if (cookies == null) {
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throw new NullPointerException("cookies");
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}
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StringBuilder buf = new StringBuilder();
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for (Cookie c: cookies) {
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if (c == null) {
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break;
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}
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encode(buf, c);
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}
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return stripTrailingSeparator(buf);
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}
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public static String encode(Iterable<Cookie> cookies) {
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if (cookies == null) {
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throw new NullPointerException("cookies");
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}
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StringBuilder buf = new StringBuilder();
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for (Cookie c: cookies) {
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if (c == null) {
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break;
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}
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encode(buf, c);
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}
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return stripTrailingSeparator(buf);
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}
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private static void encode(StringBuilder buf, Cookie c) {
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if (c.getVersion() >= 1) {
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add(buf, '$' + CookieHeaderNames.VERSION, 1);
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}
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add(buf, c.getName(), c.getValue());
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if (c.getPath() != null) {
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add(buf, '$' + CookieHeaderNames.PATH, c.getPath());
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}
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if (c.getDomain() != null) {
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add(buf, '$' + CookieHeaderNames.DOMAIN, c.getDomain());
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}
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if (c.getVersion() >= 1) {
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if (!c.getPorts().isEmpty()) {
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buf.append('$');
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buf.append(CookieHeaderNames.PORT);
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buf.append((char) HttpConstants.EQUALS);
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buf.append((char) HttpConstants.DOUBLE_QUOTE);
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for (int port: c.getPorts()) {
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buf.append(port);
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buf.append((char) HttpConstants.COMMA);
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}
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buf.setCharAt(buf.length() - 1, (char) HttpConstants.DOUBLE_QUOTE);
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buf.append((char) HttpConstants.SEMICOLON);
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buf.append((char) HttpConstants.SP);
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}
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}
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}
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private ClientCookieEncoder() {
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// Unused
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}
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}
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