From ff8405cdfbd575657a6f615a1ac4d86eb1b07f74 Mon Sep 17 00:00:00 2001
From: "Tadashi G. Takaoka" <takaoka@google.com>
Date: Thu, 6 Mar 2014 19:23:12 +0900
Subject: Add ActualKeyboardBuilder for testing keyboard layouts

Bug: 13017434
Change-Id: I38b1f5c261ea1f3ff312c780d7d9b5fe3fba8aaf
---
 .../inputmethod/latin/utils/StringUtils.java       | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)

(limited to 'java/src')

diff --git a/java/src/com/android/inputmethod/latin/utils/StringUtils.java b/java/src/com/android/inputmethod/latin/utils/StringUtils.java
index e7932b5a6..b9d526b5f 100644
--- a/java/src/com/android/inputmethod/latin/utils/StringUtils.java
+++ b/java/src/com/android/inputmethod/latin/utils/StringUtils.java
@@ -507,4 +507,44 @@ public final class StringUtils {
         return codePointCount(casedText) == 1
                 ? casedText.codePointAt(0) : CODE_UNSPECIFIED;
     }
+
+    @UsedForTesting
+    public static class Stringizer<E> {
+        public String stringize(final E element) {
+            return element != null ? element.toString() : "null";
+        }
+
+        @UsedForTesting
+        public final String join(final E[] array) {
+            return joinStringArray(toStringArray(array), null /* delimiter */);
+        }
+
+        @UsedForTesting
+        public final String join(final E[] array, final String delimiter) {
+            return joinStringArray(toStringArray(array), delimiter);
+        }
+
+        protected String[] toStringArray(final E[] array) {
+            final String[] stringArray = new String[array.length];
+            for (int index = 0; index < array.length; index++) {
+                stringArray[index] = stringize(array[index]);
+            }
+            return stringArray;
+        }
+
+        protected String joinStringArray(final String[] stringArray, final String delimiter) {
+            if (stringArray == null) {
+                return "null";
+            }
+            if (delimiter == null) {
+                return Arrays.toString(stringArray);
+            }
+            final StringBuilder sb = new StringBuilder();
+            for (int index = 0; index < stringArray.length; index++) {
+                sb.append(index == 0 ? "[" : delimiter);
+                sb.append(stringArray[index]);
+            }
+            return sb + "]";
+        }
+    }
 }
-- 
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