import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.IOException;
+import java.io.OutputStream;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
currentSelectors = pathToSelectorsEntry.getValue();
for (final Selector selector : currentSelectors) {
- selector.out = new DataOutputStream(new BufferedOutputStream(new FileOutputStream(selector.outFilename)));
+ OutputStream tmp = new FileOutputStream(selector.outFilename);
+ tmp = new WriteBuffer(tmp, 20 * 1024 * 1024);
+ selector.out = new DataOutputStream(tmp);
}
// Do it.
--- /dev/null
+// Copyright 2017 Reimar Döffinger
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package com.hughes.android.dictionary.engine;
+
+import java.io.OutputStream;
+import java.io.IOException;
+import java.io.PipedInputStream;
+import java.io.PipedOutputStream;
+
+public class WriteBuffer extends PipedOutputStream {
+ static int BLOCK_SIZE = 1024 * 1024;
+ public WriteBuffer(OutputStream out, int size) {
+ assert size >= 2 * BLOCK_SIZE;
+ this.out = out;
+ try {
+ pipe = new PipedInputStream(this, size);
+ buffer = new byte[BLOCK_SIZE];
+ writeThread = new Thread(new Runnable() {
+ public void run() {
+ int read;
+ try {
+ while ((read = pipe.read(buffer)) > 0)
+ {
+ out.write(buffer, 0, read);
+ out.flush();
+ }
+ } catch (IOException e) {
+ System.out.println("Error writing to file " + e);
+ }
+ try {
+ out.close();
+ } catch (IOException e) {}
+ }
+ });
+ writeThread.start();
+ } catch (IOException e) {}
+ }
+
+ public void close() throws IOException
+ {
+ super.close();
+ try {
+ writeThread.join();
+ } catch (InterruptedException e) {
+ System.out.println("Failed waiting for WriteBuffer thread " + e);
+ }
+ }
+
+ Thread writeThread;
+ OutputStream out;
+ PipedInputStream pipe;
+ byte buffer[];
+}