Kotlin migration continues...

app/src/main/kotlin/org/crosswire/jsword/versification/VersificationUtil.kt

@@ -0,0 +1,70 @@
+package org.crosswire.jsword.versification
+
+import org.crosswire.jsword.book.Book
+import java.util.ArrayList
+import org.crosswire.jsword.versification.system.Versifications
+import org.crosswire.jsword.book.BookMetaData
+import rx.Observable
+
+/**
+ * Created by bspeice on 9/10/14.
+ */
+
+class VersificationUtil() {
+    class object {
+        val INTROS = array(
+                BibleBook.INTRO_BIBLE,
+                BibleBook.INTRO_OT,
+                BibleBook.INTRO_NT
+        )
+    }
+
+    fun getBookNames(b: Book): Observable<String> {
+        return Observable.from(b.getVersification().getBookNames(b)) as Observable
+    }
+
+    fun getBooks(b: Book): Observable<BibleBook> {
+        return Observable.from(b.getVersification().getBooks(b)) as Observable
+    }
+
+    fun getChapterCount(b: Book, bibleBook: BibleBook): Int {
+        return b.getVersification().getChapterCount(bibleBook)
+    }
+
+    fun getBookName(b: Book, bibleBook: BibleBook): String {
+        return b.getVersification().getLongName(bibleBook) as String
+    }
+
+    fun getVersification(b: Book): Versification {
+        return b.getVersification()
+    }
+}
+
+// There's probably a better way to do this
+fun <T> Iterator<T>.iterable(): Iterable<T> {
+    val list: MutableList<T> = ArrayList()
+    while (this.hasNext()) {
+        list.add(this.next())
+    }
+
+    return list
+}
+
+fun Versification.getBooks(b: Book): List<BibleBook> {
+    return this.getBookIterator()!!.iterable()
+            .filter { VersificationUtil.INTROS.contains(it) }
+}
+
+fun Versification.getBookNames(b: Book): List<String> {
+    return this.getBooks(b).map { this.getLongName(it) as String }
+}
+
+fun Versification.getChapterCount(b: BibleBook): Int {
+    return this.getLastChapter(b)
+}
+
+fun Book.getVersification(): Versification {
+    return Versifications.instance()!!.getVersification(
+            this.getBookMetaData()!!.getProperty(BookMetaData.KEY_VERSIFICATION) as String
+    ) as Versification
+}