IDEA-55568 Allow AsyncResult to return value when rejected

platform/platform-api/src/com/intellij/openapi/util/AsyncResult.java

@@ -25,6 +25,12 @@ public class AsyncResult<T> extends ActionCallback {
     return this;
   }
 
+  public AsyncResult<T> setRejected(T result) {
+    myResult = result;
+    super.setRejected();
+    return this;
+  }
+
   public AsyncResult<T> doWhenDone(final Handler<T> handler) {
     doWhenDone(new Runnable() {
       public void run() {
@@ -34,6 +40,15 @@ public class AsyncResult<T> extends ActionCallback {
     return this;
   }
 
+  public AsyncResult<T> doWhenRejected(final Handler<T> handler) {
+    doWhenRejected(new Runnable() {
+      public void run() {
+        handler.run(myResult);
+      }
+    });
+    return this;
+  }
+
   public T getResult() {
     return myResult;
   }
@@ -52,6 +67,10 @@ public class AsyncResult<T> extends ActionCallback {
     public Rejected() {
       setRejected();
     }
+
+    public Rejected(T value) {
+      setRejected(value);
+    }
   }
 
 }