The kotlin migration continues...

app/src/main/kotlin/org/bspeice/minimalbible/activity/viewer/VersificationUtil.kt

@@ -0,0 +1,53 @@
+/**
+ * Created by bspeice on 9/8/14.
+ */
+package org.bspeice.minimalbible.activity.viewer.bookutil
+
+import org.crosswire.jsword.versification.BibleBook
+import java.util.ArrayList
+import org.crosswire.jsword.versification.Versification
+import org.crosswire.jsword.book.Book
+import org.crosswire.jsword.versification.system.Versifications
+import org.crosswire.jsword.book.BookMetaData
+import rx.Observable
+
+class VersificationUtil() {
+
+    val INTROS: Array<BibleBook> = array(
+            BibleBook.INTRO_BIBLE,
+            BibleBook.INTRO_OT,
+            BibleBook.INTRO_NT)
+
+    public fun getVersification(b: Book): Versification {
+        return Versifications.instance()!!.getVersification(
+                b.getBookMetaData()!!.getProperty(BookMetaData.KEY_VERSIFICATION) as String
+        ) as Versification
+    }
+
+    public fun getBookName(book: Book, bibleBook: BibleBook): String {
+        return getVersification(book).getLongName(bibleBook) as String
+    }
+
+    public fun getChapterCount(book: Book, bibleBook: BibleBook): Int {
+        return getVersification(book).getLastChapter(bibleBook)
+    }
+
+    public fun getBooks(b: Book): Observable<BibleBook> {
+        return Observable.from(getVersification(b).getBookIterator()!!.copyIterator())
+                ?.filter { INTROS.contains(it) } as Observable<BibleBook>
+    }
+
+    public fun getBookNames(b: Book): Observable<String> {
+        return getBooks(b).map { getBookName(b, it as BibleBook) }
+                as Observable<String>
+    }
+
+}
+
+fun <T> Iterator<T>.copyIterator(): List<T> {
+    var list: MutableList<T> = ArrayList() // Must be mutable
+    while (this.hasNext()) {
+        list.add(this.next())
+    }
+    return list
+}