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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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*/
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package java.net.http;
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import java.io.IOException;
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import java.net.InetSocketAddress;
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import java.net.ProxySelector;
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import java.net.URI;
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import java.net.http.HttpClient.Version;
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import java.net.http.HttpResponse.MultiProcessor;
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import java.util.concurrent.CompletableFuture;
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import java.net.SocketPermission;
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import java.security.AccessControlContext;
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import java.security.AccessController;
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import java.util.Set;
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import static java.net.http.HttpRedirectImpl.getRedirects;
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import java.util.Locale;
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class HttpRequestImpl extends HttpRequest {
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private final HttpHeadersImpl userHeaders;
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private final HttpHeadersImpl systemHeaders;
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private final URI uri;
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private InetSocketAddress authority; // only used when URI not specified
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private final String method;
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private final HttpClientImpl client;
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private final HttpRedirectImpl followRedirects;
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private final ProxySelector proxy;
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final BodyProcessor requestProcessor;
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final boolean secure;
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final boolean expectContinue;
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private final java.net.http.HttpClient.Version version;
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private boolean isWebSocket;
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final MultiExchange exchange;
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private boolean receiving;
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private AccessControlContext acc;
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private final long timeval;
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public HttpRequestImpl(HttpClientImpl client,
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String method,
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HttpRequestBuilderImpl builder) {
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this.client = client;
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this.method = method == null? "GET" : method;
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this.userHeaders = builder.headers() == null ?
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new HttpHeadersImpl() : builder.headers();
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dropDisallowedHeaders();
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this.followRedirects = getRedirects(builder.followRedirects() == null ?
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client.followRedirects() : builder.followRedirects());
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this.systemHeaders = new HttpHeadersImpl();
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this.uri = builder.uri();
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this.proxy = builder.proxy();
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this.expectContinue = builder.expectContinue();
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this.secure = uri.getScheme().toLowerCase(Locale.US).equals("https");
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this.version = builder.version();
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if (builder.body() == null) {
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this.requestProcessor = HttpRequest.noBody();
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} else {
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this.requestProcessor = builder.body();
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}
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this.exchange = new MultiExchange(this);
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this.timeval = builder.timeval();
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}
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/** Creates a HttpRequestImpl using fields of an existing request impl. */
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public HttpRequestImpl(URI uri,
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HttpRequest request,
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HttpClientImpl client,
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String method,
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HttpRequestImpl other) {
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this.client = client;
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this.method = method == null? "GET" : method;
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this.userHeaders = other.userHeaders == null ?
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new HttpHeadersImpl() : other.userHeaders;
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dropDisallowedHeaders();
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this.followRedirects = getRedirects(other.followRedirects() == null ?
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client.followRedirects() : other.followRedirects());
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this.systemHeaders = other.systemHeaders;
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this.uri = uri;
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this.expectContinue = other.expectContinue;
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this.secure = other.secure;
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this.requestProcessor = other.requestProcessor;
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this.proxy = other.proxy;
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this.version = other.version;
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this.acc = other.acc;
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this.exchange = new MultiExchange(this);
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this.timeval = other.timeval;
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}
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/* used for creating CONNECT requests */
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HttpRequestImpl(HttpClientImpl client,
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String method,
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InetSocketAddress authority) {
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this.client = client;
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this.method = method;
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this.followRedirects = getRedirects(client.followRedirects());
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this.systemHeaders = new HttpHeadersImpl();
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this.userHeaders = new HttpHeadersImpl();
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this.uri = null;
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this.proxy = null;
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this.requestProcessor = HttpRequest.noBody();
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this.version = java.net.http.HttpClient.Version.HTTP_1_1;
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this.authority = authority;
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this.secure = false;
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this.expectContinue = false;
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this.exchange = new MultiExchange(this);
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this.timeval = 0; // block TODO: fix
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}
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@Override
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public HttpClientImpl client() {
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return client;
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}
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@Override
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public String toString() {
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return (uri == null ? "" : uri.toString()) + "/" + method + "("
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+ hashCode() + ")";
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}
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@Override
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public HttpHeaders headers() {
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userHeaders.makeUnmodifiable();
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return userHeaders;
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}
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InetSocketAddress authority() { return authority; }
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void setH2Upgrade() {
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Http2ClientImpl h2client = client.client2();
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systemHeaders.setHeader("Connection", "Upgrade, HTTP2-Settings");
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systemHeaders.setHeader("Upgrade", "h2c");
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systemHeaders.setHeader("HTTP2-Settings", h2client.getSettingsString());
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}
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private static final Set<String> DISALLOWED_HEADERS_SET = Set.of(
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"authorization", "connection", "cookie", "content-length",
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"date", "expect", "from", "host", "origin", "proxy-authorization",
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"referer", "user-agent", "upgrade", "via", "warning");
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// we silently drop headers that are disallowed
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private void dropDisallowedHeaders() {
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Set<String> hdrnames = userHeaders.directMap().keySet();
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hdrnames.removeIf((s) ->
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DISALLOWED_HEADERS_SET.contains(s.toLowerCase())
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);
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}
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private synchronized void receiving() {
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if (receiving) {
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throw new IllegalStateException("already receiving response");
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}
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receiving = true;
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}
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/*
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* Response filters may result in a new HttpRequestImpl being created
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* (but still associated with the same API HttpRequest) and the process
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* is repeated.
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*/
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@Override
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public HttpResponse response() throws IOException, InterruptedException {
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receiving(); // TODO: update docs
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if (System.getSecurityManager() != null) {
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acc = AccessController.getContext();
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}
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return exchange.response();
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}
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@Override
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public synchronized CompletableFuture<HttpResponse> responseAsync() {
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receiving(); // TODO: update docs
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if (System.getSecurityManager() != null) {
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acc = AccessController.getContext();
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}
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return exchange.responseAsync(null)
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.thenApply((r) -> (HttpResponse)r);
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}
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public <U> CompletableFuture<U>
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sendAsyncMulti(HttpResponse.MultiProcessor<U> rspproc) {
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// To change body of generated methods, choose Tools | Templates.
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throw new UnsupportedOperationException("Not supported yet.");
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}
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@Override
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public boolean expectContinue() { return expectContinue; }
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public boolean requestHttp2() {
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return version.equals(HttpClient.Version.HTTP_2);
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//return client.getHttp2Allowed();
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}
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AccessControlContext getAccessControlContext() { return acc; }
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InetSocketAddress proxy() {
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ProxySelector ps = this.proxy;
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if (ps == null) {
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ps = client.proxy().orElse(null);
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}
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if (ps == null || method.equalsIgnoreCase("CONNECT")) {
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return null;
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}
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return (InetSocketAddress)ps.select(uri).get(0).address();
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}
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boolean secure() { return secure; }
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void isWebSocket(boolean is) {
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isWebSocket = is;
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}
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boolean isWebSocket() {
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return isWebSocket;
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}
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/** Returns the follow-redirects setting for this request. */
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@Override
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public java.net.http.HttpClient.Redirect followRedirects() {
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return getRedirects(followRedirects);
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}
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HttpRedirectImpl followRedirectsImpl() { return followRedirects; }
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/**
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* Returns the request method for this request. If not set explicitly,
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* the default method for any request is "GET".
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*/
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@Override
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public String method() { return method; }
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@Override
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public URI uri() { return uri; }
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HttpHeadersImpl getUserHeaders() { return userHeaders; }
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HttpHeadersImpl getSystemHeaders() { return systemHeaders; }
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HttpClientImpl getClient() { return client; }
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BodyProcessor requestProcessor() { return requestProcessor; }
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@Override
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public Version version() { return version; }
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void addSystemHeader(String name, String value) {
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systemHeaders.addHeader(name, value);
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}
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void setSystemHeader(String name, String value) {
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systemHeaders.setHeader(name, value);
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}
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long timeval() { return timeval; }
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@Override
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public <U> CompletableFuture<U>
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multiResponseAsync(MultiProcessor<U> rspproc) {
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//To change body of generated methods, choose Tools | Templates.
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throw new UnsupportedOperationException("Not supported yet.");
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}
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}
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