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();
}
}

}