Merge pull request #59 from psytester/patch-3

invokeAPI() --> ApiException() if non HTTP 200

src/main/java/com/docusign/esign/client/ApiClient.java

@@ -57,6 +57,7 @@ public class ApiClient {
   private String basePath = "https://www.docusign.net/restapi";
   private boolean debugging = false;
   private int connectionTimeout = 0;
+  private int readTimeout = 0;
 
   private Client httpClient;
   private ObjectMapper mapper;
@@ -320,6 +321,24 @@ public ApiClient setConnectTimeout(int connectionTimeout) {
      return this;
    }
 
+  /**
+   * Read timeout (in milliseconds).
+   */
+  public int getReadTimeout() {
+    return readTimeout;
+  }
+
+  /**
+   * Set the read timeout (in milliseconds).
+   * A value of 0 means no timeout, otherwise values must be between 1 and
+   * {@link Integer#MAX_VALUE}.
+   */
+   public ApiClient setReadTimeout(int readTimeout) {
+     this.readTimeout = readTimeout;
+     httpClient.setReadTimeout(readTimeout);
+     return this;
+   }
+
   /**
    * Get the date format used to parse/format date parameters.
    */
@@ -746,6 +765,10 @@ public <T> T invokeAPI(String path, String method, List<Pair> queryParams, Objec
 
     ClientResponse response = getAPIResponse(path, method, queryParams, body, headerParams, formParams, accept, contentType, authNames);
 
+    if (response.getStatusInfo().getFamily() != Family.SUCCESSFUL) {
+        throw new ApiException("Error while requesting server, received HTTP code: " + response.getStatusInfo().getStatusCode() + " / with response Body: " + response.getEntity(String.class));
+    }
+
     statusCode = response.getStatusInfo().getStatusCode();
     responseHeaders = response.getHeaders();