Java 类org.openide.util.ContextGlobalProvider 实例源码

@Before
@Override
public void setUp() {
    //This will cause ContextAction instances to invoke notifyAll()
    //when their enablement changes
    ContextAction.unitTest = true;
    MockServices.setServices(Provider.class);
    ContextGlobalProvider x = Lookup.getDefault().lookup(ContextGlobalProvider.class);
    assertNotNull(x);
    assertTrue(x instanceof Provider);
    Provider p = (Provider) x;
    content = p.content;
    lkp = p.lkp;
    //some sanity checks
    setContent("hello");
    assertEquals("hello", lkp.lookupAll(String.class).iterator().next());
    assertEquals("hello", Utilities.actionsGlobalContext().lookupAll(String.class).iterator().next());
    clearContent();
    assertEquals(null, lkp.lookup(String.class));
    assertEquals(null, Utilities.actionsGlobalContext().lookup(String.class));
    assertEquals(0, Utilities.actionsGlobalContext().lookupAll(Object.class).size());
}

public static void install() {
    MockLookup.setInstances(new ContextGlobalProvider() {
        public Lookup createGlobalContext() {
            return amLookup;
        }
    });
    amResult = Utilities.actionsGlobalContext().lookupResult(ActionMap.class);
    Assert.assertEquals(Collections.singleton(EMPTY_MAP), new HashSet<ActionMap>(amResult.allInstances()));
}

public static void install() {
    MockLookup.setInstances(new ContextGlobalProvider() {
        public Lookup createGlobalContext() {
            return nodeLookup;
        }
    });
    nodeResult = Utilities.actionsGlobalContext().lookupResult(Node.class);
    Assert.assertEquals(Collections.emptySet(), new HashSet<Node>(nodeResult.allInstances()));
}