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87 lines
2.8 KiB
Java
87 lines
2.8 KiB
Java
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/* -*- mode: jde; c-basic-offset: 2; indent-tabs-mode: nil -*- */
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/*
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Part of the Processing project - http://processing.org
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Copyright (c) 2004-05 Ben Fry and Casey Reas
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Copyright (c) 2001-04 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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package processing.app;
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import java.io.*;
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/**
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* Slurps up messages from compiler.
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*/
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class MessageSiphon implements Runnable {
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BufferedReader streamReader;
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Thread thread;
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MessageConsumer consumer;
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public MessageSiphon(InputStream stream, MessageConsumer consumer) {
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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 have a weird delay)
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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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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, null will come through.
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//
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String currentLine;
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while ((currentLine = streamReader.readLine()) != null) {
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// \n is added again because readLine() strips it out
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//EditorConsole.systemOut.println("messaging in");
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consumer.message(currentLine + "\n");
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//EditorConsole.systemOut.println("messaging out");
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}
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//EditorConsole.systemOut.println("messaging thread done");
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thread = null;
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} catch (NullPointerException npe) {
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// Fairly common exception during shutdown
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thread = null;
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} catch (Exception e) {
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// On Linux and sometimes on Mac OS X, a "bad file descriptor"
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// message comes up when closing an applet that's run externally.
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// That message just gets supressed here..
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String mess = e.getMessage();
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if ((mess != null) &&
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(mess.indexOf("Bad file descriptor") != -1)) {
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//if (e.getMessage().indexOf("Bad file descriptor") == -1) {
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//System.err.println("MessageSiphon err " + e);
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//e.printStackTrace();
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} else {
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e.printStackTrace();
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}
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thread = null;
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}
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}
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}
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