/*
 * Copyright (C) 2022 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.car.multidisplay.launcher;

import android.widget.ArrayAdapter;

import java.io.PrintWriter;

/**
 * Provides common helper methods.
 */
final class SantasLittleHelper {

    static void dump(ArrayAdapter<?> adapter, String prefix, PrintWriter writer) {
        int count = adapter.getCount();
        if (count == 0) {
            writer.printf("%sempty\n", prefix);
            return;
        }
        writer.printf("%s%d item%s\n", prefix, count, (count > 1 ? "s" : ""));
        String prefix2 = prefix + "  ";
        for (int i = 0; i < count; i++) {
            writer.printf("%s%d: %s\n", prefix2, i, adapter.getItem(i));
        }
    }

    private SantasLittleHelper() {
        throw new UnsupportedOperationException("contains only static methods");
    }
}