Android Open Source - ble Ok Http Client

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2012 Square, Inc.//  w  w w  .j  a  v a  2s .c  om
 *
 * Licensed 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
 *
 *      http://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 com.squareup.okhttp;

import com.squareup.okhttp.internal.http.HttpURLConnectionImpl;
import com.squareup.okhttp.internal.http.HttpsURLConnectionImpl;
import com.squareup.okhttp.internal.http.OkResponseCache;
import com.squareup.okhttp.internal.http.OkResponseCacheAdapter;
import java.net.CookieHandler;
import java.net.HttpURLConnection;
import java.net.Proxy;
import java.net.ProxySelector;
import java.net.ResponseCache;
import java.net.URL;
import java.util.Collections;
import java.util.LinkedHashSet;
import java.util.Set;
import javax.net.ssl.HostnameVerifier;
import javax.net.ssl.HttpsURLConnection;
import javax.net.ssl.SSLSocketFactory;

/** Configures and creates HTTP connections. */
public final class OkHttpClient {
  private Proxy proxy;
  private Set<Route> failedRoutes = Collections.synchronizedSet(new LinkedHashSet<Route>());
  private ProxySelector proxySelector;
  private CookieHandler cookieHandler;
  private ResponseCache responseCache;
  private SSLSocketFactory sslSocketFactory;
  private HostnameVerifier hostnameVerifier;
  private ConnectionPool connectionPool;
  private boolean followProtocolRedirects = true;

  /**
   * Sets the HTTP proxy that will be used by connections created by this
   * client. This takes precedence over {@link #setProxySelector}, which is
   * only honored when this proxy is null (which it is by default). To disable
   * proxy use completely, call {@code setProxy(Proxy.NO_PROXY)}.
   */
  public OkHttpClient setProxy(Proxy proxy) {
    this.proxy = proxy;
    return this;
  }

  public Proxy getProxy() {
    return proxy;
  }

  /**
   * Sets the proxy selection policy to be used if no {@link #setProxy proxy}
   * is specified explicitly. The proxy selector may return multiple proxies;
   * in that case they will be tried in sequence until a successful connection
   * is established.
   *
   * <p>If unset, the {@link ProxySelector#getDefault() system-wide default}
   * proxy selector will be used.
   */
  public OkHttpClient setProxySelector(ProxySelector proxySelector) {
    this.proxySelector = proxySelector;
    return this;
  }

  public ProxySelector getProxySelector() {
    return proxySelector;
  }

  /**
   * Sets the cookie handler to be used to read outgoing cookies and write
   * incoming cookies.
   *
   * <p>If unset, the {@link CookieHandler#getDefault() system-wide default}
   * cookie handler will be used.
   */
  public OkHttpClient setCookieHandler(CookieHandler cookieHandler) {
    this.cookieHandler = cookieHandler;
    return this;
  }

  public CookieHandler getCookieHandler() {
    return cookieHandler;
  }

  /**
   * Sets the response cache to be used to read and write cached responses.
   *
   * <p>If unset, the {@link ResponseCache#getDefault() system-wide default}
   * response cache will be used.
   */
  public OkHttpClient setResponseCache(ResponseCache responseCache) {
    this.responseCache = responseCache;
    return this;
  }

  public ResponseCache getResponseCache() {
    return responseCache;
  }

  private OkResponseCache okResponseCache() {
    if (responseCache instanceof HttpResponseCache) {
      return ((HttpResponseCache) responseCache).okResponseCache;
    } else if (responseCache != null) {
      return new OkResponseCacheAdapter(responseCache);
    } else {
      return null;
    }
  }

  /**
   * Sets the socket factory used to secure HTTPS connections.
   *
   * <p>If unset, the {@link HttpsURLConnection#getDefaultSSLSocketFactory()
   * system-wide default} SSL socket factory will be used.
   */
  public OkHttpClient setSSLSocketFactory(SSLSocketFactory sslSocketFactory) {
    this.sslSocketFactory = sslSocketFactory;
    return this;
  }

  public SSLSocketFactory getSslSocketFactory() {
    return sslSocketFactory;
  }

  /**
   * Sets the verifier used to confirm that response certificates apply to
   * requested hostnames for HTTPS connections.
   *
   * <p>If unset, the {@link HttpsURLConnection#getDefaultHostnameVerifier()
   * system-wide default} hostname verifier will be used.
   */
  public OkHttpClient setHostnameVerifier(HostnameVerifier hostnameVerifier) {
    this.hostnameVerifier = hostnameVerifier;
    return this;
  }

  public HostnameVerifier getHostnameVerifier() {
    return hostnameVerifier;
  }

  /**
   * Sets the connection pool used to recycle HTTP and HTTPS connections.
   *
   * <p>If unset, the {@link ConnectionPool#getDefault() system-wide
   * default} connection pool will be used.
   */
  public OkHttpClient setConnectionPool(ConnectionPool connectionPool) {
    this.connectionPool = connectionPool;
    return this;
  }

  public ConnectionPool getConnectionPool() {
    return connectionPool;
  }

  /**
   * Configure this client to follow redirects from HTTPS to HTTP and from HTTP
   * to HTTPS.
   *
   * <p>If unset, protocol redirects will be followed. This is different than
   * the built-in {@code HttpURLConnection}'s default.
   */
  public OkHttpClient setFollowProtocolRedirects(boolean followProtocolRedirects) {
    this.followProtocolRedirects = followProtocolRedirects;
    return this;
  }

  public boolean getFollowProtocolRedirects() {
    return followProtocolRedirects;
  }

  public HttpURLConnection open(URL url) {
    String protocol = url.getProtocol();
    OkHttpClient copy = copyWithDefaults();
    if (protocol.equals("http")) {
      return new HttpURLConnectionImpl(url, copy, copy.okResponseCache(), copy.failedRoutes);
    } else if (protocol.equals("https")) {
      return new HttpsURLConnectionImpl(url, copy, copy.okResponseCache(), copy.failedRoutes);
    } else {
      throw new IllegalArgumentException("Unexpected protocol: " + protocol);
    }
  }

  /**
   * Returns a shallow copy of this OkHttpClient that uses the system-wide default for
   * each field that hasn't been explicitly configured.
   */
  private OkHttpClient copyWithDefaults() {
    OkHttpClient result = new OkHttpClient();
    result.proxy = proxy;
    result.failedRoutes = failedRoutes;
    result.proxySelector = proxySelector != null ? proxySelector : ProxySelector.getDefault();
    result.cookieHandler = cookieHandler != null ? cookieHandler : CookieHandler.getDefault();
    result.responseCache = responseCache != null ? responseCache : ResponseCache.getDefault();
    result.sslSocketFactory = sslSocketFactory != null
        ? sslSocketFactory
        : HttpsURLConnection.getDefaultSSLSocketFactory();
    result.hostnameVerifier = hostnameVerifier != null
        ? hostnameVerifier
        : HttpsURLConnection.getDefaultHostnameVerifier();
    result.connectionPool = connectionPool != null ? connectionPool : ConnectionPool.getDefault();
    result.followProtocolRedirects = followProtocolRedirects;
    return result;
  }
}

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