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451 lines
12 KiB
451 lines
12 KiB
/* |
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* Copyright (C) 2013, 2020 Christian Halstrick <christian.halstrick@sap.com> and others |
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* |
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* This program and the accompanying materials are made available under the |
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* terms of the Eclipse Distribution License v. 1.0 which is available at |
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* https://www.eclipse.org/org/documents/edl-v10.php. |
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* |
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* SPDX-License-Identifier: BSD-3-Clause |
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*/ |
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package org.eclipse.jgit.transport.http.apache; |
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import static org.eclipse.jgit.util.HttpSupport.METHOD_GET; |
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import static org.eclipse.jgit.util.HttpSupport.METHOD_HEAD; |
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import static org.eclipse.jgit.util.HttpSupport.METHOD_POST; |
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import static org.eclipse.jgit.util.HttpSupport.METHOD_PUT; |
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import java.io.IOException; |
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import java.io.InputStream; |
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import java.io.OutputStream; |
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import java.net.InetSocketAddress; |
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import java.net.MalformedURLException; |
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import java.net.ProtocolException; |
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import java.net.Proxy; |
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import java.net.URL; |
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import java.security.KeyManagementException; |
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import java.security.NoSuchAlgorithmException; |
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import java.security.SecureRandom; |
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import java.util.Arrays; |
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import java.util.Collections; |
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import java.util.HashMap; |
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import java.util.LinkedList; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.stream.Collectors; |
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import javax.net.ssl.HostnameVerifier; |
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import javax.net.ssl.KeyManager; |
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import javax.net.ssl.SSLContext; |
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import javax.net.ssl.SSLSocket; |
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import javax.net.ssl.TrustManager; |
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import org.apache.http.Header; |
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import org.apache.http.HeaderElement; |
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import org.apache.http.HttpEntity; |
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import org.apache.http.HttpEntityEnclosingRequest; |
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import org.apache.http.HttpHost; |
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import org.apache.http.HttpResponse; |
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import org.apache.http.client.ClientProtocolException; |
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import org.apache.http.client.HttpClient; |
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import org.apache.http.client.config.RequestConfig; |
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import org.apache.http.client.methods.HttpGet; |
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import org.apache.http.client.methods.HttpHead; |
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import org.apache.http.client.methods.HttpPost; |
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import org.apache.http.client.methods.HttpPut; |
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import org.apache.http.client.methods.HttpUriRequest; |
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import org.apache.http.config.Registry; |
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import org.apache.http.config.RegistryBuilder; |
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import org.apache.http.conn.socket.ConnectionSocketFactory; |
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import org.apache.http.conn.socket.PlainConnectionSocketFactory; |
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import org.apache.http.conn.ssl.DefaultHostnameVerifier; |
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import org.apache.http.conn.ssl.SSLConnectionSocketFactory; |
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import org.apache.http.conn.util.PublicSuffixMatcherLoader; |
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import org.apache.http.impl.client.HttpClientBuilder; |
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import org.apache.http.impl.client.HttpClients; |
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import org.apache.http.impl.client.SystemDefaultCredentialsProvider; |
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import org.apache.http.impl.conn.BasicHttpClientConnectionManager; |
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import org.apache.http.ssl.SSLContexts; |
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import org.eclipse.jgit.annotations.NonNull; |
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import org.eclipse.jgit.transport.http.HttpConnection; |
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import org.eclipse.jgit.transport.http.apache.internal.HttpApacheText; |
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import org.eclipse.jgit.util.HttpSupport; |
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import org.eclipse.jgit.util.TemporaryBuffer; |
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import org.eclipse.jgit.util.TemporaryBuffer.LocalFile; |
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/** |
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* A {@link org.eclipse.jgit.transport.http.HttpConnection} which uses |
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* {@link org.apache.http.client.HttpClient} |
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* |
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* @since 3.3 |
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*/ |
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public class HttpClientConnection implements HttpConnection { |
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HttpClient client; |
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URL url; |
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HttpUriRequest req; |
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HttpResponse resp = null; |
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String method = "GET"; //$NON-NLS-1$ |
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private TemporaryBufferEntity entity; |
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private boolean isUsingProxy = false; |
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private Proxy proxy; |
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private Integer timeout = null; |
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private Integer readTimeout; |
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private Boolean followRedirects; |
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private HostnameVerifier hostnameverifier; |
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SSLContext ctx; |
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private HttpClient getClient() { |
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if (client == null) { |
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HttpClientBuilder clientBuilder = HttpClients.custom(); |
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RequestConfig.Builder configBuilder = RequestConfig.custom(); |
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if (proxy != null && !Proxy.NO_PROXY.equals(proxy)) { |
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isUsingProxy = true; |
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InetSocketAddress adr = (InetSocketAddress) proxy.address(); |
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clientBuilder.setProxy( |
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new HttpHost(adr.getHostName(), adr.getPort())); |
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} |
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if (timeout != null) { |
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configBuilder.setConnectTimeout(timeout.intValue()); |
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} |
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if (readTimeout != null) { |
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configBuilder.setSocketTimeout(readTimeout.intValue()); |
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} |
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if (followRedirects != null) { |
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configBuilder |
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.setRedirectsEnabled(followRedirects.booleanValue()); |
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} |
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SSLConnectionSocketFactory sslConnectionFactory = getSSLSocketFactory(); |
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clientBuilder.setSSLSocketFactory(sslConnectionFactory); |
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if (hostnameverifier != null) { |
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// Using a custom verifier: we don't want pooled connections |
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// with this. |
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Registry<ConnectionSocketFactory> registry = RegistryBuilder |
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.<ConnectionSocketFactory> create() |
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.register("https", sslConnectionFactory) |
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.register("http", PlainConnectionSocketFactory.INSTANCE) |
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.build(); |
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clientBuilder.setConnectionManager( |
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new BasicHttpClientConnectionManager(registry)); |
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} |
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clientBuilder.setDefaultRequestConfig(configBuilder.build()); |
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clientBuilder.setDefaultCredentialsProvider( |
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new SystemDefaultCredentialsProvider()); |
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client = clientBuilder.build(); |
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} |
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return client; |
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} |
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private SSLConnectionSocketFactory getSSLSocketFactory() { |
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HostnameVerifier verifier = hostnameverifier; |
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SSLContext context; |
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if (verifier == null) { |
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// Use defaults |
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context = SSLContexts.createDefault(); |
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verifier = new DefaultHostnameVerifier( |
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PublicSuffixMatcherLoader.getDefault()); |
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} else { |
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// Using a custom verifier. Attention: configure() must have been |
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// called already, otherwise one gets a "context not initialized" |
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// exception. In JGit this branch is reached only when hostname |
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// verification is switched off, and JGit _does_ call configure() |
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// before we get here. |
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context = getSSLContext(); |
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} |
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return new SSLConnectionSocketFactory(context, verifier) { |
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@Override |
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protected void prepareSocket(SSLSocket socket) throws IOException { |
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super.prepareSocket(socket); |
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HttpSupport.configureTLS(socket); |
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} |
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}; |
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} |
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private SSLContext getSSLContext() { |
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if (ctx == null) { |
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try { |
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ctx = SSLContext.getInstance("TLS"); //$NON-NLS-1$ |
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} catch (NoSuchAlgorithmException e) { |
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throw new IllegalStateException( |
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HttpApacheText.get().unexpectedSSLContextException, e); |
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} |
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} |
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return ctx; |
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} |
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/** |
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* Sets the buffer from which to take the request body |
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* |
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* @param buffer |
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*/ |
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public void setBuffer(TemporaryBuffer buffer) { |
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this.entity = new TemporaryBufferEntity(buffer); |
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} |
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/** |
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* Constructor for HttpClientConnection. |
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* |
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* @param urlStr |
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* @throws MalformedURLException |
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*/ |
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public HttpClientConnection(String urlStr) throws MalformedURLException { |
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this(urlStr, null); |
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} |
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/** |
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* Constructor for HttpClientConnection. |
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* |
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* @param urlStr |
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* @param proxy |
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* @throws MalformedURLException |
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*/ |
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public HttpClientConnection(String urlStr, Proxy proxy) |
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throws MalformedURLException { |
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this(urlStr, proxy, null); |
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} |
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/** |
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* Constructor for HttpClientConnection. |
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* |
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* @param urlStr |
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* @param proxy |
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* @param cl |
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* @throws MalformedURLException |
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*/ |
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public HttpClientConnection(String urlStr, Proxy proxy, HttpClient cl) |
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throws MalformedURLException { |
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this.client = cl; |
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this.url = new URL(urlStr); |
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this.proxy = proxy; |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public int getResponseCode() throws IOException { |
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execute(); |
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return resp.getStatusLine().getStatusCode(); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public URL getURL() { |
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return url; |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public String getResponseMessage() throws IOException { |
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execute(); |
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return resp.getStatusLine().getReasonPhrase(); |
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} |
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private void execute() throws IOException, ClientProtocolException { |
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if (resp != null) { |
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return; |
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} |
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if (entity == null) { |
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resp = getClient().execute(req); |
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return; |
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} |
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try { |
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if (req instanceof HttpEntityEnclosingRequest) { |
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HttpEntityEnclosingRequest eReq = (HttpEntityEnclosingRequest) req; |
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eReq.setEntity(entity); |
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} |
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resp = getClient().execute(req); |
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} finally { |
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entity.close(); |
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entity = null; |
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} |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public Map<String, List<String>> getHeaderFields() { |
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Map<String, List<String>> ret = new HashMap<>(); |
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for (Header hdr : resp.getAllHeaders()) { |
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List<String> list = ret.get(hdr.getName()); |
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if (list == null) { |
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list = new LinkedList<>(); |
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ret.put(hdr.getName(), list); |
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} |
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for (HeaderElement hdrElem : hdr.getElements()) { |
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list.add(hdrElem.toString()); |
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} |
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} |
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return ret; |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void setRequestProperty(String name, String value) { |
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req.addHeader(name, value); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void setRequestMethod(String method) throws ProtocolException { |
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this.method = method; |
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if (METHOD_GET.equalsIgnoreCase(method)) { |
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req = new HttpGet(url.toString()); |
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} else if (METHOD_HEAD.equalsIgnoreCase(method)) { |
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req = new HttpHead(url.toString()); |
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} else if (METHOD_PUT.equalsIgnoreCase(method)) { |
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req = new HttpPut(url.toString()); |
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} else if (METHOD_POST.equalsIgnoreCase(method)) { |
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req = new HttpPost(url.toString()); |
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} else { |
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this.method = null; |
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throw new UnsupportedOperationException(); |
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} |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void setUseCaches(boolean usecaches) { |
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// not needed |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void setConnectTimeout(int timeout) { |
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this.timeout = Integer.valueOf(timeout); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void setReadTimeout(int readTimeout) { |
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this.readTimeout = Integer.valueOf(readTimeout); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public String getContentType() { |
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HttpEntity responseEntity = resp.getEntity(); |
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if (responseEntity != null) { |
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Header contentType = responseEntity.getContentType(); |
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if (contentType != null) |
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return contentType.getValue(); |
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} |
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return null; |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public InputStream getInputStream() throws IOException { |
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execute(); |
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return resp.getEntity().getContent(); |
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} |
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// will return only the first field |
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/** {@inheritDoc} */ |
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@Override |
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public String getHeaderField(@NonNull String name) { |
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Header header = resp.getFirstHeader(name); |
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return (header == null) ? null : header.getValue(); |
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} |
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@Override |
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public List<String> getHeaderFields(@NonNull String name) { |
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return Collections.unmodifiableList(Arrays.asList(resp.getHeaders(name)) |
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.stream().map(Header::getValue).collect(Collectors.toList())); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public int getContentLength() { |
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Header contentLength = resp.getFirstHeader("content-length"); //$NON-NLS-1$ |
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if (contentLength == null) { |
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return -1; |
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} |
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try { |
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int l = Integer.parseInt(contentLength.getValue()); |
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return l < 0 ? -1 : l; |
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} catch (NumberFormatException e) { |
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return -1; |
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} |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void setInstanceFollowRedirects(boolean followRedirects) { |
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this.followRedirects = Boolean.valueOf(followRedirects); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void setDoOutput(boolean dooutput) { |
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// TODO: check whether we can really ignore this. |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void setFixedLengthStreamingMode(int contentLength) { |
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if (entity != null) |
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throw new IllegalArgumentException(); |
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entity = new TemporaryBufferEntity(new LocalFile(null)); |
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entity.setContentLength(contentLength); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public OutputStream getOutputStream() throws IOException { |
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if (entity == null) |
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entity = new TemporaryBufferEntity(new LocalFile(null)); |
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return entity.getBuffer(); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void setChunkedStreamingMode(int chunklen) { |
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if (entity == null) |
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entity = new TemporaryBufferEntity(new LocalFile(null)); |
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entity.setChunked(true); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public String getRequestMethod() { |
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return method; |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public boolean usingProxy() { |
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return isUsingProxy; |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void connect() throws IOException { |
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execute(); |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void setHostnameVerifier(HostnameVerifier hostnameverifier) { |
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this.hostnameverifier = hostnameverifier; |
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} |
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/** {@inheritDoc} */ |
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@Override |
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public void configure(KeyManager[] km, TrustManager[] tm, |
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SecureRandom random) throws KeyManagementException { |
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getSSLContext().init(km, tm, random); |
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} |
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}
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