Added createVariable() and updateVariable() methods without the environmentScope param (#330).

Author: gmessner

src/main/java/org/gitlab4j/api/ProjectApi.java

@@ -2494,6 +2494,24 @@ public Optional<Variable> getOptionalVariable(Object projectIdOrPath, String key
      * @param key the key of a variable; must have no more than 255 characters; only A-Z, a-z, 0-9, and _ are allowed, required
      * @param value the value for the variable, required
      * @param isProtected whether the variable is protected, optional
+     * @return a Variable instance with the newly created variable
+     * @throws GitLabApiException if any exception occurs during execution
+     */
+    public Variable createVariable(Object projectIdOrPath, String key, String value, Boolean isProtected) throws GitLabApiException {
+        return (createVariable(projectIdOrPath, key, value, isProtected, null));
+    }
+
+    /**
+     * Create a new project variable.
+     *
+     * <p>NOTE: Setting the environmentScope is only available on GitLab EE.</p>
+     *
+     * <pre><code>GitLab Endpoint: POST /projects/:id/variables</code></pre>
+     *
+     * @param projectIdOrPath projectIdOrPath the project in the form of an Integer(ID), String(path), or Project instance, required
+     * @param key the key of a variable; must have no more than 255 characters; only A-Z, a-z, 0-9, and _ are allowed, required
+     * @param value the value for the variable, required
+     * @param isProtected whether the variable is protected, optional
      * @param environmentScope the environment_scope of the variable, optional
      * @return a Variable instance with the newly created variable
      * @throws GitLabApiException if any exception occurs during execution
@@ -2518,7 +2536,25 @@ public Variable createVariable(Object projectIdOrPath, String key, String value,
      * @param key the key of an existing variable, required
      * @param value the value for the variable, required
      * @param isProtected whether the variable is protected, optional
-     * @param environmentScope the environment_scope of the variable, optional
+     * @return a Variable instance with the updated variable
+     * @throws GitLabApiException if any exception occurs during execution
+     */
+    public Variable updateVariable(Object projectIdOrPath, String key, String value, Boolean isProtected) throws GitLabApiException {
+        return (updateVariable(projectIdOrPath, key, value, isProtected, null));
+    }
+
+    /**
+     * Update a project variable.
+     *
+     * <p>NOTE: Updating the environmentScope is only available on GitLab EE.</p>
+     *
+     * <pre><code>GitLab Endpoint: PUT /projects/:id/variables/:key</code></pre>
+     *
+     * @param projectIdOrPath projectIdOrPath the project in the form of an Integer(ID), String(path), or Project instance, required
+     * @param key the key of an existing variable, required
+     * @param value the value for the variable, required
+     * @param isProtected whether the variable is protected, optional
+     * @param environmentScope the environment_scope of the variable, optional.
      * @return a Variable instance with the updated variable
      * @throws GitLabApiException if any exception occurs during execution
      */