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/* package */ class TemporaryBuffer 22{ 23 /* package */ static char[] obtain(int len) { 24 char[] buf; 25 26 synchronized (TemporaryBuffer.class) { 27 buf = sTemp; 28 sTemp = null; 29 } 30 31 if (buf == null || buf.length < len) 32 buf = new char[ArrayUtils.idealCharArraySize(len)]; 33 34 return buf; 35 } 36 37 /* package */ static void recycle(char[] temp) { 38 if (temp.length > 1000) 39 return; 40 41 synchronized (TemporaryBuffer.class) { 42 sTemp = temp; 43 } 44 } 45 46 private static char[] sTemp = null; 47} 48