Home | History | Annotate | Download | only in graphics 
      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 {
     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