From 021dbe2b04731248c381515dda3d7c22f1917843 Mon Sep 17 00:00:00 2001
From: Bradlee Speice <bspeice.nc@gmail.com>
Date: Mon, 5 May 2014 00:59:16 -0400
Subject: [PATCH] Add one more helper method to FilterUtil

---
 .../jsword/org/crosswire/jsword/book/FilterUtil.java | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/main/java/jsword/org/crosswire/jsword/book/FilterUtil.java b/src/main/java/jsword/org/crosswire/jsword/book/FilterUtil.java
index 752cc30..ea0bc0a 100644
--- a/src/main/java/jsword/org/crosswire/jsword/book/FilterUtil.java
+++ b/src/main/java/jsword/org/crosswire/jsword/book/FilterUtil.java
@@ -4,7 +4,9 @@ import org.crosswire.jsword.book.BookCategory;
 import org.crosswire.jsword.book.BookFilter;
 import org.crosswire.jsword.book.BookFilters;
 
+import java.util.ArrayList;
 import java.util.Arrays;
+import java.util.List;
 
 /**
  * Module to help with some conversions between BookCategories and BookFilters
@@ -43,6 +45,16 @@ public class FilterUtil {
         }
     }
 
+    public static List<Book> applyFilter(List<Book> books, BookFilter f) {
+        List<Book> filtered = new ArrayList<Book>();
+        for (Book b: books) {
+            if (f.test(b)) {
+                filtered.add(f);
+            }
+        }
+        return filtered;
+    }
+
     public static class InvalidFilterCategoryMappingException extends Exception {
         public InvalidFilterCategoryMappingException(String message) {
             super(message);