src/com/android/contacts/interactions/ContactInteractionUtil.java

/*
 * Copyright (C) 2014 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.contacts.interactions;

import com.google.common.base.Preconditions;

/**
 * Utility methods for interactions and their loaders
 */
public class ContactInteractionUtil {

    /**
     * @return a string like (?,?,?...) with {@param count} question marks.
     */
    public static String questionMarks(int count) {
        Preconditions.checkArgument(count > 0);
        StringBuilder sb = new StringBuilder("(?");
        for (int i = 1; i < count; i++) {
            sb.append(",?");
        }
        return sb.append(")").toString();
    }
}