1 /* 2 * Copyright (C) 2014 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 package com.android.contacts.interactions; 17 18 import com.google.common.base.Preconditions; 19 20 /** 21 * Utility methods for interactions and their loaders 22 */ 23 public class ContactInteractionUtil { 24 25 /** 26 * @return a string like (?,?,?...) with {@param count} question marks. 27 */ questionMarks(int count)28 public static String questionMarks(int count) { 29 Preconditions.checkArgument(count > 0); 30 StringBuilder sb = new StringBuilder("(?"); 31 for (int i = 1; i < count; i++) { 32 sb.append(",?"); 33 } 34 return sb.append(")").toString(); 35 } 36 } 37