Chapter 11. Namespace altering

Adding new namespace
Changing existing namespace
Removing existing namespace

eXo JCR implementation since 1.11 version have support of altering namespaces.

Adding new namespace

ExtendedNamespaceRegistry namespaceRegistry = (ExtendedNamespaceRegistry) workspace.getNamespaceRegistry();
namespaceRegistry.registerNamespace("newMapping", "http://dumb.uri/jcr");

Changing existing namespace

ExtendedNamespaceRegistry namespaceRegistry = (ExtendedNamespaceRegistry) workspace.getNamespaceRegistry();
namespaceRegistry.registerNamespace("newMapping", "http://dumb.uri/jcr");
namespaceRegistry.registerNamespace("newMapping2", "http://dumb.uri/jcr");
try {
    assertNull(namespaceRegistry.getURI("newMapping"));
    fail("exception should have been thrown");
} catch (NamespaceException e) {
}
assertNotNull(namespaceRegistry.getURI("newMapping2"));
assertEquals("http://dumb.uri/jcr", namespaceRegistry.getURI("newMapping2"));

Removing existing namespace

ExtendedNamespaceRegistry namespaceRegistry = (ExtendedNamespaceRegistry) workspace.getNamespaceRegistry();
namespaceRegistry.registerNamespace("newMapping", "http://dumb.uri/jcr");
namespaceRegistry.unregisterNamespace("newMapping");