Coverage Summary for Class: Platform (com.google.common.escape)

1 /*
2  * Copyright (C) 2009 The Guava Authors
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5  * in compliance with the License. You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the License
10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11  * or implied. See the License for the specific language governing permissions and limitations under
12  * the License.
13  */
14 
15 package com.google.common.escape;
16 
17 import com.google.common.annotations.GwtCompatible;
18 
19 /**
20  * Methods factored out so that they can be emulated differently in GWT.
21  *
22  * @author Jesse Wilson
23  */
24 @GwtCompatible(emulated = true)
25 @ElementTypesAreNonnullByDefault
26 final class Platform {
27   private Platform() {}
28 
29   /** Returns a thread-local 1024-char array. */
30   static char[] charBufferFromThreadLocal() {
31     return DEST_TL.get();
32   }
33 
34   /**
35    * A thread-local destination buffer to keep us from creating new buffers. The starting size is
36    * 1024 characters. If we grow past this we don't put it back in the threadlocal, we just keep
37    * going and grow as needed.
38    */
39   private static final ThreadLocal<char[]> DEST_TL =
40       new ThreadLocal<char[]>() {
41         @Override
42         protected char[] initialValue() {
43           return new char[1024];
44         }
45       };
46 }