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
17package android.graphics;
18
19import com.android.internal.util.ArrayUtils;
20
21/**
22 * @hide
23 */
24public class TemporaryBuffer {
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 = new char[ArrayUtils.idealCharArraySize(len)];
35        }
36
37        return buf;
38    }
39
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