1 /*
2  * Copyright (C) 2007 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 android.graphics;
18 
19 import com.android.internal.util.ArrayUtils;
20 
21 /**
22  * @hide
23  */
24 public class TemporaryBuffer {
obtain(int len)25     public static char[] obtain(int len) {
26         char[] buf;
27 
28         synchronized (TemporaryBuffer.class) {
29             buf = sTemp;
30             sTemp = null;
31         }
32 
33         if (buf == null || buf.length < len) {
34             buf = ArrayUtils.newUnpaddedCharArray(len);
35         }
36 
37         return buf;
38     }
39 
recycle(char[] temp)40     public static void recycle(char[] temp) {
41         if (temp.length > 1000) return;
42 
43         synchronized (TemporaryBuffer.class) {
44             sTemp = temp;
45         }
46     }
47 
48     private static char[] sTemp = null;
49 }
50