mirror of
https://github.com/processing/processing4.git
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103 lines
3.2 KiB
Java
103 lines
3.2 KiB
Java
/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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PdeMessageSiphon - slurps up messages from compiler
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Part of the Processing project - http://Proce55ing.net
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Except where noted, code is written by Ben Fry and
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Copyright (c) 2001-03 Massachusetts Institute of Technology
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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import java.io.*;
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class PdeMessageSiphon implements Runnable {
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BufferedReader streamReader;
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Thread thread;
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PdeMessageConsumer consumer;
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public PdeMessageSiphon(InputStream stream, PdeMessageConsumer consumer) {
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// we use a BufferedReader in order to be able to read a line
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// at a time
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//
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this.streamReader = new BufferedReader(new InputStreamReader(stream));
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this.consumer = consumer;
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thread = new Thread(this);
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// don't set priority too low, otherwise exceptions won't
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// bubble up in time (i.e. compile errors)
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//thread.setPriority(Thread.MIN_PRIORITY);
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thread.start();
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}
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public void run() {
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//while (Thread.currentThread() == thread) {
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//System.err.print("p");
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//System.err.println(streamReader);
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String currentLine;
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try {
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// process data until we hit EOF; this will happily block
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// (effectively sleeping the thread) until new data comes in.
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// when the program is finally done,
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//
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while ((currentLine = streamReader.readLine()) != null) {
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//currentLine = streamReader.readLine();
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//if (currentLine != null) {
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consumer.message(currentLine);
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//System.out.println("siphon wait");
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}
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/*
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if (currentLine == null) {
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System.out.println("PdeMessageSiphon: out");
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thread = null;
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}
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*/
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thread = null;
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//System.err.println("PMS: " + currentLine);
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//}
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} catch (NullPointerException npe) {
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// ignore this guy, since it's prolly just shutting down
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//npe.printStackTrace();
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thread = null;
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} catch (Exception e) {
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// on linux, a "bad file descriptor" message comes up when
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// closing an applet that's being run externally.
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// use this to cause that to fail silently since not important
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if ((PdeBase.platform != PdeBase.LINUX) ||
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(e.getMessage().indexOf("Bad file descriptor") == -1)) {
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System.err.println("PdeMessageSiphon err " + e);
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e.printStackTrace();
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thread = null;
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}
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}
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/*
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//Thread.yield();
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try {
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Thread.sleep(100);
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} catch (InterruptedException e) { }
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*/
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//System.out.println("PdeMessageSiphon: out");
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}
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//System.err.println("siphon thread exiting");
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}
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