make httpclient's redirect switch to be configurable.

Author: liyanzhang505

src/main/java/com/aliyun/oss/ClientConfiguration.java

@@ -105,6 +105,8 @@ public class ClientConfiguration {
 
     private RetryStrategy retryStrategy;
 
+    private boolean redirectEnable = true;
+
     public ClientConfiguration() {
         super();
         AppendDefaultExcludeList(this.cnameExcludeList);
@@ -724,4 +726,26 @@ public void setRetryStrategy(RetryStrategy retryStrategy) {
         this.retryStrategy = retryStrategy;
     }
 
+
+    /**
+     * Gets whether is enable redirection.
+     *
+     * @return whether is enable redirection.
+     */
+    public boolean isRedirectEnable() {
+        return redirectEnable;
+    }
+
+    /**
+     * Sets whether is enable redirection.
+     *
+     * @param redirectEnable
+     *          whether is enable redirection
+     */
+    public void setRedirectEnable(boolean redirectEnable) {
+        this.redirectEnable = redirectEnable;
+    }
+
+
+
 }

src/main/java/com/aliyun/oss/common/comm/DefaultServiceClient.java

@@ -90,6 +90,7 @@ public DefaultServiceClient(ClientConfiguration config) {
         requestConfigBuilder.setConnectTimeout(config.getConnectionTimeout());
         requestConfigBuilder.setSocketTimeout(config.getSocketTimeout());
         requestConfigBuilder.setConnectionRequestTimeout(config.getConnectionRequestTimeout());
+        requestConfigBuilder.setRedirectsEnabled(config.isRedirectEnable());
 
         String proxyHost = config.getProxyHost();
         int proxyPort = config.getProxyPort();