1 // Copyright 2017 Reimar Döffinger
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
7 // http://www.apache.org/licenses/LICENSE-2.0
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
15 package com.hughes.android.dictionary.engine;
17 import java.io.IOException;
18 import java.io.OutputStream;
19 import java.io.PipedInputStream;
20 import java.io.PipedOutputStream;
22 public class WriteBuffer extends PipedOutputStream {
23 static int BLOCK_SIZE = 256 * 1024;
24 public WriteBuffer(OutputStream out, int size) {
25 assert size >= 2 * BLOCK_SIZE;
28 pipe = new PipedInputStream(this, size);
29 buffer = new byte[BLOCK_SIZE];
30 writeThread = new Thread(() -> {
33 while ((read = pipe.read(buffer)) > 0)
35 out.write(buffer, 0, read);
38 } catch (IOException e) {
39 System.out.println("Error writing to file " + e);
43 } catch (IOException e) {}
46 } catch (IOException e) {}
49 public void close() throws IOException
54 } catch (InterruptedException e) {
55 System.out.println("Failed waiting for WriteBuffer thread " + e);
61 PipedInputStream pipe;