# HG changeset patch
# User Jaroslav Tulach <jtulach@netbeans.org>
# Date 1213430025 -7200
# Node ID 33aa60b188304ab00574df10f566855d5d90f21e
# Parent  ab11b91730892e7ee029ee50164f4eb69b76797e
LookupListener demo

diff -r ab11b9173089 -r 33aa60b18830 samples/componentinjection/test/org/apidesign/component/InjectionSlotChangesTest.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/samples/componentinjection/test/org/apidesign/component/InjectionSlotChangesTest.java	Sat Jun 14 09:53:45 2008 +0200
@@ -0,0 +1,60 @@
+package org.apidesign.component;
+
+import java.util.Iterator;
+import org.junit.BeforeClass;
+import org.junit.Test;
+import org.netbeans.junit.MockServices;
+import org.openide.util.Lookup;
+import static org.junit.Assert.*;
+import org.openide.util.Lookup.Result;
+import org.openide.util.LookupEvent;
+import org.openide.util.LookupListener;
+
+public class InjectionSlotChangesTest {
+    public InjectionSlotChangesTest() {
+    }
+
+    @BeforeClass
+    public static void setUpClass() throws Exception {
+        // this is a support for "dynamic" registration of any class
+        // into the global pool of Lookup.getDefault() and java.util.ServiceLoader
+        // either in @BeforeClass or @Before register 
+        // classes of the mock instances that you want your code 
+        // to find
+        MockServices.setServices(ImplOne.class, ImplTwo.class);
+    }
+
+    @Test
+    public void multiSlot() {
+        Iterator<? extends InjectionSlot> it = InjectionSlot.multiSlot().iterator();
+        assertTrue("Has at least one", it.hasNext());
+        assertEquals("The first is ImplOne", ImplOne.class, it.next().getClass());
+        assertTrue("Has two", it.hasNext());
+        assertEquals("The second is ImplTwo", ImplTwo.class, it.next().getClass());
+        assertFalse("No other instance registered", it.hasNext());
+
+        // BEGIN: lookup.listener
+        class Listener implements LookupListener {
+            int cnt;
+            public void resultChanged(LookupEvent arg0) {
+                cnt++;
+            }
+        }
+        Listener listener = new Listener();
+        Lookup.Result<InjectionSlot> res = Lookup.getDefault().lookupResult(InjectionSlot.class);
+        res.addLookupListener(listener);
+        assertEquals("Two services now", 2, res.allInstances().size());
+        
+        MockServices.setServices(ImplTwo.class);
+        
+        assertEquals("One service only", 1, res.allInstances().size());
+        assertEquals("One change in listener", 1, listener.cnt);
+        assertEquals("The second is ImplTwo", ImplTwo.class, res.allInstances().iterator().next().getClass());
+        // END: lookup.listener
+    }
+
+    public static final class ImplOne extends InjectionSlot {
+    }
+    public static final class ImplTwo extends InjectionSlot {
+    }
+}
diff -r ab11b9173089 -r 33aa60b18830 samples/componentinjection/test/org/apidesign/component/InjectionViaServiceLoaderTest.java
--- a/samples/componentinjection/test/org/apidesign/component/InjectionViaServiceLoaderTest.java	Sat Jun 14 09:53:44 2008 +0200
+++ b/samples/componentinjection/test/org/apidesign/component/InjectionViaServiceLoaderTest.java	Sat Jun 14 09:53:45 2008 +0200
@@ -43,4 +43,4 @@
     public static final class ImplTwo extends InjectionSlot {
     }
 }
-// BEGIN: lookup.mockservices.serviceloader
+// END: lookup.mockservices.serviceloader