JAVA-744: Added MongoClientOptions.builder() static convenience method.

Author: jyemin

src/main/com/mongodb/MongoClientOptions.java

@@ -310,6 +310,15 @@ public MongoClientOptions build() {
         }
     }
 
+    /**
+     * Create a new Builder instance.  This is a convenience method, equivalent to {@code new MongoClientOptions.Builder()}.
+     *
+     * @return a new instance of a Builder
+     */
+    public static Builder builder() {
+        return new Builder();
+    }
+
     /**
      * Gets the description for this MongoClient, which is used in various places like logging and JMX.
      * <p/>
@@ -502,6 +511,8 @@ public boolean isAlwaysUseMBeans() {
         return alwaysUseMBeans;
     }
 
+
+
     private MongoClientOptions(final Builder builder) {
         description = builder.description;
         connectionsPerHost = builder.connectionsPerHost;

src/test/com/mongodb/MongoClientOptionsTest.java

@@ -155,4 +155,9 @@ public DBDecoder create() {
         Assert.assertEquals(encoderFactory, options.getDbEncoderFactory());
         Assert.assertEquals(decoderFactory, options.getDbDecoderFactory());
     }
+
+    @Test
+    public void testStaticBuilderCreate() {
+        Assert.assertNotNull(MongoClientOptions.builder());
+    }
 }