1 files changed, 0 insertions, 63 deletions
diff --git a/java/src/com/android/inputmethod/latin/utils/CollectionUtils.java b/java/src/com/android/inputmethod/latin/utils/CollectionUtils.java
deleted file mode 100644
index 01f5e1079..000000000
--- a/java/src/com/android/inputmethod/latin/utils/CollectionUtils.java
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (C) 2012 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-package com.android.inputmethod.latin.utils;
-
-import java.util.ArrayList;
-import java.util.Collection;
-
-import javax.annotation.Nonnull;
-import javax.annotation.Nullable;
-
-/**
- * Utility methods for working with collections.
- */
-public final class CollectionUtils {
-    private CollectionUtils() {
-        // This utility class is not publicly instantiable.
-    }
-
-    /**
-     * Converts a sub-range of the given array to an ArrayList of the appropriate type.
-     * @param array Array to be converted.
-     * @param start First index inclusive to be converted.
-     * @param end Last index exclusive to be converted.
-     * @throws IllegalArgumentException if start or end are out of range or start &gt; end.
-     */
-    @Nonnull
-    public static <E> ArrayList<E> arrayAsList(@Nonnull final E[] array, final int start,
-            final int end) {
-        if (start < 0 || start > end || end > array.length) {
-            throw new IllegalArgumentException("Invalid start: " + start + " end: " + end
-                    + " with array.length: " + array.length);
-        }
-
-        final ArrayList<E> list = new ArrayList<>(end - start);
-        for (int i = start; i < end; i++) {
-            list.add(array[i]);
-        }
-        return list;
-    }
-
-    /**
-     * Tests whether c contains no elements, true if c is null or c is empty.
-     * @param c Collection to test.
-     * @return Whether c contains no elements.
-     */
-    public static boolean isNullOrEmpty(@Nullable final Collection<?> c) {
-        return c == null || c.isEmpty();
-    }
-}