Get a first manager to Kotlin

Extension functions are fun...

app/src/main/kotlin/org/bspeice/minimalbible/service/manager/BookManager.kt

@@ -0,0 +1,33 @@
+package org.bspeice.minimalbible.service.manager
+
+import rx.Observable
+import org.crosswire.jsword.book.Books
+import rx.functions.Action1
+import org.crosswire.jsword.book.Book
+import rx.functions.Action0
+
+/**
+ * Created by bspeice on 9/10/14.
+ */
+
+//@Singleton
+class BookManager() {
+    // Some extra books like to think they're installed, but trigger NPE all over the place...
+    val ignore = array("ERen_no", "ot1nt2");
+
+    val installedBooks = Observable.from(Books.installed()!!.getBooks())
+            ?.filter { !ignore.contains(it!!.getInitials()) }
+            ?.cache()
+    var refreshComplete = false;
+
+    {
+        // TODO: Cleaner way of expressing this?
+        installedBooks?.subscribe(Action1<Book> { result -> },
+                Action1<Throwable> { error -> },
+                Action0 { refreshComplete = true })
+    }
+
+    fun getBooks(): Observable<Book> {
+        return installedBooks as Observable
+    }
+}

app/src/main/kotlin/org/bspeice/minimalbible/service/manager/InvalidBookException.kt

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+package org.bspeice.minimalbible.service.manager
+
+/**
+ * Created by bspeice on 9/11/14.
+ */
+
+class InvalidBookException(message: String?) : Exception(message) {}