hg: jdk9/dev/jaxp: 8144966: Catalog API: Null handling and reference to Reader

[huizhe.wang at oracle.com]

Changeset: b34427de0b08
Author:    joehw
Date:      2016-01-12 15:29 -0800
URL:       http://hg.openjdk.java.net/jdk9/dev/jaxp/rev/b34427de0b08

8144966: Catalog API: Null handling and reference to Reader
Reviewed-by: mchung, rriggs

! src/java.xml/share/classes/javax/xml/catalog/CatalogImpl.java
! src/java.xml/share/classes/javax/xml/catalog/CatalogManager.java
! src/java.xml/share/classes/javax/xml/catalog/CatalogUriResolver.java
! test/javax/xml/jaxp/functional/catalog/DeferFeatureTest.java
! test/javax/xml/jaxp/libs/catalog/CatalogTestUtils.java
! test/javax/xml/jaxp/libs/jaxp/library/JAXPTestUtilities.java
! test/javax/xml/jaxp/unittest/catalog/CatalogTest.java