added invite email field

src/main/java/com/box/sdk/BoxCollaboration.java

@@ -200,6 +200,7 @@ public class Info extends BoxResource.Info {
         private Date acknowledgedAt;
         private BoxFolder.Info item;
         private BoxFile.Info fileItem;
+        private String inviteEmail;
         private boolean canViewPath;
 
         /**
@@ -269,6 +270,14 @@ public boolean getCanViewPath() {
             return this.canViewPath;
         }
 
+        /**
+         * The email address used to invite an un-registered collaborator, if they are not a registered user.
+         * @return the email for the un-registed collaborator.
+         */
+        public String getInviteEmail() {
+            return this.inviteEmail;
+        }
+
         /**
          * Gets the status of the collaboration.
          *
@@ -396,6 +405,9 @@ protected void parseJSONMember(JsonObject.Member member) {
                 } else if (memberName.equals("can_view_path")) {
                     this.canViewPath = value.asBoolean();
 
+                } else if (memberName.equals("invite_email")) {
+                    this.inviteEmail = value.asString();
+
                 } else if (memberName.equals("item")) {
                     JsonObject folderJSON = value.asObject();
                     if (this.item == null) {

src/test/Fixtures/BoxCollaboration/GetInviteEmailAttributesOnCollaboration200.json

@@ -0,0 +1,5 @@
+{
+    "type": "collaboration",
+    "id": "12345",
+    "invite_email": "example@test.com"
+}

src/test/java/com/box/sdk/BoxCollaborationTest.java

@@ -412,4 +412,24 @@ public void testGetAccessibleLoginSucceeds() throws IOException {
 
         Assert.assertEquals(accessiblyByLogin, collabInfo.getAccessibleBy().getLogin());
     }
+
+    @Test
+    @Category(UnitTest.class)
+    public void testGetInviteEmailSucceeds() throws IOException {
+        String result = "";
+        final String collabID = "12345";
+        final String inviteEmail = "example@test.com";
+        final String getCollaborationURL = "/collaborations/" + collabID;
+
+        result = TestConfig.getFixture("BoxCollaboration/GetInviteEmailAttributesOnCollaboration200");
+
+        WIRE_MOCK_CLASS_RULE.stubFor(WireMock.get(WireMock.urlPathEqualTo(getCollaborationURL))
+                .willReturn(WireMock.aResponse()
+                        .withHeader("Content-Type", "application/json")
+                        .withBody(result)));
+
+        BoxCollaboration.Info collabInfo = new BoxCollaboration(this.api, collabID).getInfo("invite_email");
+
+        Assert.assertEquals(inviteEmail, collabInfo.getInviteEmail());
+    }
 }