Uc query add host (#507)

Author: YangSen-qn

library/src/main/java/com/qiniu/android/common/Config.java

@@ -68,12 +68,13 @@ public final class Config {
     /**
      * preQuery host
      */
-    public static String preQueryHost00 = "kodo-config.qiniuapi.com";
-    public static String preQueryHost01 = "uc.qbox.me";
-    public static String preQueryHost02 = "api.qiniu.com";
+    public static String preQueryHost00 = "uc.qiniuapi.com";
+    public static String preQueryHost01 = "kodo-config.qiniuapi.com";
+    public static String preQueryHost02 = "uc.qbox.me";
+    public static String preQueryHost03 = "api.qiniu.com";
 
     public static String[] preQueryHosts() {
-        return new String[]{preQueryHost00, preQueryHost01, preQueryHost02};
+        return new String[]{preQueryHost00, preQueryHost01, preQueryHost02, preQueryHost03};
     }
 
     /**

library/src/main/java/com/qiniu/android/http/request/HttpRegionRequest.java

@@ -11,6 +11,7 @@
 import com.qiniu.android.storage.UploadOptions;
 import com.qiniu.android.utils.LogUtil;
 import com.qiniu.android.utils.StringUtils;
+import com.qiniu.android.utils.UrlUtils;
 
 import org.json.JSONObject;
 
@@ -106,8 +107,7 @@ private void performRequest(final IUploadServer server,
             serverHost = config.urlConverter.convert(serverHost);
         }
 
-        String scheme = config.useHttps ? "https://" : "http://";
-        String urlString = scheme + serverHost + (action != null ? action : "");
+        String urlString = UrlUtils.setHostScheme(serverHost, config.useHttps) + (action != null ? action : "");
         final Request request = new Request(urlString, method, header, data,
                 config.connectTimeout,
                 config.writeTimeout,

library/src/main/java/com/qiniu/android/utils/UrlUtils.java

@@ -0,0 +1,31 @@
+package com.qiniu.android.utils;
+
+public class UrlUtils {
+
+    public static String removeHostScheme(String host) {
+        if (host == null || StringUtils.isNullOrEmpty(host)) {
+            return null;
+        }
+
+        host = host.replace("http://", "");
+        host = host.replace("https://", "");
+        return host;
+    }
+
+
+    /**
+     * 如果 host 包含 scheme 则优先使用 host 中包含的 scheme
+     * 如果 host 不包含 scheme 则按照 useHttps 增加 scheme
+     */
+    public static String setHostScheme(String host, boolean useHttps) {
+        if (StringUtils.isNullOrEmpty(host)) {
+            return null;
+        }
+
+        if (host.startsWith("http://") || host.startsWith("https://") ) {
+            return host;
+        }
+
+        return (useHttps ? "https://" : "http://") + host;
+    }
+}