| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * 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.intellij.rt.execution.junit.segments; |
| |
| import java.io.IOException; |
| import java.io.OutputStream; |
| import java.io.PrintStream; |
| |
| public class SegmentedOutputStream extends OutputStream implements PacketProcessor { |
| private final PrintStream myPrintStream; |
| private boolean myStarted = false; |
| |
| public SegmentedOutputStream(PrintStream transportStream) { |
| this(transportStream, false); |
| } |
| |
| public SegmentedOutputStream(PrintStream transportStream, boolean started) { |
| myPrintStream = transportStream; |
| myStarted = started; |
| try { |
| flush(); |
| } |
| catch (IOException e) { |
| throw new RuntimeException(e.getLocalizedMessage()); |
| } |
| } |
| |
| public synchronized void write(int b) throws IOException { |
| if (b == SegmentedStream.SPECIAL_SYMBOL && myStarted) writeNext(b); |
| writeNext(b); |
| flush(); |
| } |
| |
| public synchronized void flush() throws IOException { |
| myPrintStream.flush(); |
| } |
| |
| public synchronized void close() throws IOException { |
| myPrintStream.close(); |
| } |
| |
| private void writeNext(int b) { |
| myPrintStream.write(b); |
| } |
| |
| public synchronized void processPacket(String packet) { |
| if (!myStarted) |
| sendStart(); |
| writeNext(SegmentedStream.MARKER_PREFIX); |
| String encodedPacket = Packet.encode(packet); |
| writeNext(String.valueOf(encodedPacket.length())+SegmentedStream.LENGTH_DELIMITER+encodedPacket); |
| } |
| |
| private void writeNext(String string) { |
| try { |
| myPrintStream.write(string.getBytes()); |
| } catch (IOException e) { |
| throw new RuntimeException(e.getMessage()); |
| } |
| } |
| |
| public void sendStart() { |
| writeNext(SegmentedStream.STARTUP_MESSAGE); |
| myStarted = true; |
| } |
| |
| public PrintStream getPrintStream() { |
| return myPrintStream; |
| } |
| } |