Merge pull request #558 from gooddata/jmi-header

add TotalHeaderItem's constructor from Total

Author: liry

src/main/java/com/gooddata/executeafm/response/TotalHeaderItem.java

@@ -9,8 +9,11 @@
 import com.fasterxml.jackson.annotation.JsonProperty;
 import com.fasterxml.jackson.annotation.JsonTypeInfo;
 import com.fasterxml.jackson.annotation.JsonTypeName;
+import com.gooddata.md.report.Total;
 import com.gooddata.util.GoodDataToStringBuilder;
 
+import static com.gooddata.util.Validate.notNull;
+
 /**
  * Header of total
  */
@@ -29,6 +32,14 @@ public TotalHeaderItem(@JsonProperty("name") final String name) {
         this.name = name;
     }
 
+    /**
+     * Creates new header
+     * @param total total value
+     */
+    public TotalHeaderItem(final Total total) {
+        this(notNull(total, "total").toString());
+    }
+
     /**
      * @return name of total
      */

src/test/groovy/com/gooddata/executeafm/response/TotalHeaderItemTest.groovy

@@ -5,6 +5,7 @@
  */
 package com.gooddata.executeafm.response
 
+import com.gooddata.md.report.Total
 import spock.lang.Specification
 
 import static com.gooddata.util.ResourceUtils.readObjectFromResource
@@ -18,7 +19,7 @@ class TotalHeaderItemTest extends Specification {
 
     def "should serialize"() {
         expect:
-        that new TotalHeaderItem('avg'),
+        that new TotalHeaderItem(Total.AVG),
                 jsonEquals(resource(TOTAL_HEADER_ITEM_JSON))
     }