okhttp http 重定向到https

package com.adups.wql.httpredirecttohttps;import android.util.Log;import com.squareup.okhttp.OkHttpClient;import com.squareup.okhttp.Request;import com.squareup.okhttp.Response;import java.io.IOException;import java.security.SecureRandom;import java.security.cert.CertificateException;import java.security.cert.X509Certificate;import java.util.concurrent.TimeUnit;import javax.net.ssl.HostnameVerifier;import javax.net.ssl.SSLContext;import javax.net.ssl.SSLSession;import javax.net.ssl.TrustManager;import javax.net.ssl.X509TrustManager;/** * Created by bigTree on 2017/2/6. */public class okhttp {    String url = "";    static OkHttpClient okHttpClient = new OkHttpClient();    static {        okHttpClient.setConnectTimeout(30, TimeUnit.SECONDS);        okHttpClient.setReadTimeout(30, TimeUnit.SECONDS);        okHttpClient.setWriteTimeout(30, TimeUnit.SECONDS);        // okHttpClient.interceptors().add(new LoggingInterceptor());        //为false就是自定义重定向，true 就是自己内部就重定向了，只返回最后就结果        okHttpClient.setFollowRedirects(false);        trustAllHosts();//设置忽略安全证书验证        okHttpClient.setHostnameVerifier(new HostnameVerifier() {            @Override            public boolean verify(String hostname, SSLSession session) {                return true;            }        });    }    public static String run(String url) throws IOException {        Request request = new Request.Builder().url(url).get().build();        Response response = okHttpClient.newCall(request).execute();//        Log.e("response.code()", "" + response.code());//        Log.e("httpUrl", "" + response.request().httpUrl());//        Log.e("response.body()", "" + response.body().string());        Log.e("Location", "" + response.headers().get("Location"));//        Log.e("headers", "" + request.url());        int code = response.code();        if (code == 302) {            String location = response.headers().get("Location");            run(location);        } else if (response.isSuccessful()) {            return response.body().string();        } else {            throw new IOException("Unexpected code " + response);        }        return "";    }    public static void trustAllHosts() {        // Create a trust manager that does not validate certificate chains        // Android use X509 cert        TrustManager[] trustAllCerts = new TrustManager[]{new X509TrustManager() {            public X509Certificate[] getAcceptedIssuers() {                return new X509Certificate[]{};            }            public void checkClientTrusted(X509Certificate[] chain,                                           String authType) throws CertificateException {            }            public void checkServerTrusted(X509Certificate[] chain,                                           String authType) throws CertificateException {            }        }};        // Install the all-trusting trust manager        try {            SSLContext sc = SSLContext.getInstance("TLS");            sc.init(null, trustAllCerts, new SecureRandom());            okHttpClient.setSslSocketFactory(sc.getSocketFactory());        } catch (Exception e) {            e.printStackTrace();        }    }}
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