/*
 * Copyright (C) 2021 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.ondevicepersonalization.internal.util;

import android.annotation.Nullable;

/**
 * TextUtils for OnDevicePersonalization module.
 *
 * @hide
 */
public final class TextUtils {
    private TextUtils()   {
        throw new UnsupportedOperationException();
    }

    /** Returns interned string if it's null. */
    @Nullable
    public static String safeIntern(String s) {
        return (s != null) ? s.intern() : null;
    }
}