1 /* 2 * Copyright (C) 2011 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 17 package com.android.volley.utils; 18 19 import com.android.volley.Cache; 20 21 import java.util.Random; 22 23 public class CacheTestUtils { 24 25 /** 26 * Makes a random cache entry. 27 * @param data Data to use, or null to use random data 28 * @param isExpired Whether the TTLs should be set such that this entry is expired 29 * @param needsRefresh Whether the TTLs should be set such that this entry needs refresh 30 */ makeRandomCacheEntry( byte[] data, boolean isExpired, boolean needsRefresh)31 public static Cache.Entry makeRandomCacheEntry( 32 byte[] data, boolean isExpired, boolean needsRefresh) { 33 Random random = new Random(); 34 Cache.Entry entry = new Cache.Entry(); 35 if (data != null) { 36 entry.data = data; 37 } else { 38 entry.data = new byte[random.nextInt(1024)]; 39 } 40 entry.etag = String.valueOf(random.nextLong()); 41 entry.lastModified = random.nextLong(); 42 entry.ttl = isExpired ? 0 : Long.MAX_VALUE; 43 entry.softTtl = needsRefresh ? 0 : Long.MAX_VALUE; 44 return entry; 45 } 46 47 /** 48 * Like {@link #makeRandomCacheEntry(byte[], boolean, boolean)} but 49 * defaults to an unexpired entry. 50 */ makeRandomCacheEntry(byte[] data)51 public static Cache.Entry makeRandomCacheEntry(byte[] data) { 52 return makeRandomCacheEntry(data, false, false); 53 } 54 } 55