X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FConsole.java;h=de7574c67d9e84af0dbc2c7afff1a345dbbdb956;hb=136c0793b90b72b928c4d77dc109dd5c644e00d3;hp=acd3dbddce3d1be436cf6619843d4b55979bd27c;hpb=94e5a196ee42f9571348786abd0ee727014b65ae;p=jalview.git diff --git a/src/jalview/gui/Console.java b/src/jalview/gui/Console.java index acd3dbd..de7574c 100644 --- a/src/jalview/gui/Console.java +++ b/src/jalview/gui/Console.java @@ -1,26 +1,46 @@ /* - * Jalview - A Sequence Alignment Editor and Viewer (Version 2.5) - * Copyright (C) 2010 J Procter, AM Waterhouse, G Barton, M Clamp, S Searle + * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$) + * Copyright (C) $$Year-Rel$$ The Jalview Authors * * This file is part of Jalview. * * Jalview is free software: you can redistribute it and/or * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version. - * + * as published by the Free Software Foundation, either version 3 + * of the License, or (at your option) any later version. + * * Jalview is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty * of MERCHANTABILITY or FITNESS FOR A PARTICULAR * PURPOSE. See the GNU General Public License for more details. * - * You should have received a copy of the GNU General Public License along with Jalview. If not, see . + * You should have received a copy of the GNU General Public License + * along with Jalview. If not, see . + * The Jalview Authors are detailed in the 'AUTHORS' file. */ package jalview.gui; -import java.io.*; -import java.awt.*; -import java.awt.event.*; -import javax.swing.*; +import jalview.util.MessageManager; + +import java.awt.BorderLayout; +import java.awt.Dimension; +import java.awt.GraphicsEnvironment; +import java.awt.Rectangle; +import java.awt.Toolkit; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; +import java.awt.event.WindowAdapter; +import java.awt.event.WindowEvent; +import java.awt.event.WindowListener; +import java.io.IOException; +import java.io.PipedInputStream; +import java.io.PipedOutputStream; +import java.io.PrintStream; + +import javax.swing.JButton; +import javax.swing.JFrame; +import javax.swing.JScrollPane; +import javax.swing.JTextArea; import org.apache.log4j.SimpleLayout; @@ -40,29 +60,34 @@ public class Console extends WindowAdapter implements WindowListener, private JTextArea textArea; - int lines = 0; - - int lim = 1000; - - private Thread reader; + /* + * unused - tally and limit for lines in console window int lines = 0; + * + * int lim = 1000; + */ + int byteslim = 102400, bytescut = 76800; // 100k and 75k cut point. - private Thread reader2; + private Thread reader, reader2, textAppender; private boolean quit; - private final PrintStream stdout = System.out; + private final PrintStream stdout = System.out, stderr = System.err; - private final PrintStream stderr = System.err; + private PipedInputStream pin = new PipedInputStream(); - private final PipedInputStream pin = new PipedInputStream(); + private PipedInputStream pin2 = new PipedInputStream(); - private final PipedInputStream pin2 = new PipedInputStream(); + private StringBuffer displayPipe = new StringBuffer(); Thread errorThrower; // just for testing (Throws an Exception at this Console // are we attached to some parent Desktop Desktop parent = null; + private int MIN_WIDTH = 300; + + private int MIN_HEIGHT = 250; + public Console() { // create all components and add them @@ -74,11 +99,23 @@ public class Console extends WindowAdapter implements WindowListener, private void initConsole(boolean visible) { + initConsole(visible, true); + } + + /** + * + * @param visible + * - open the window + * @param redirect + * - redirect std* + */ + private void initConsole(boolean visible, boolean redirect) + { // CutAndPasteTransfer cpt = new CutAndPasteTransfer(); // textArea = cpt.getTextArea(); textArea = new JTextArea(); textArea.setEditable(false); - JButton button = new JButton("clear"); + JButton button = new JButton(MessageManager.getString("action.clear")); // frame = cpt; frame.getContentPane().setLayout(new BorderLayout()); @@ -86,38 +123,17 @@ public class Console extends WindowAdapter implements WindowListener, BorderLayout.CENTER); frame.getContentPane().add(button, BorderLayout.SOUTH); frame.setVisible(visible); - + updateConsole = visible; frame.addWindowListener(this); button.addActionListener(this); - - try - { - PipedOutputStream pout = new PipedOutputStream(this.pin); - System.setOut(new PrintStream(pout, true)); - } catch (java.io.IOException io) - { - textArea.append("Couldn't redirect STDOUT to this console\n" - + io.getMessage()); - } catch (SecurityException se) + if (redirect) { - textArea.append("Couldn't redirect STDOUT to this console\n" - + se.getMessage()); + redirectStreams(); } - - try - { - PipedOutputStream pout2 = new PipedOutputStream(this.pin2); - System.setErr(new PrintStream(pout2, true)); - } catch (java.io.IOException io) - { - textArea.append("Couldn't redirect STDERR to this console\n" - + io.getMessage()); - } catch (SecurityException se) + else { - textArea.append("Couldn't redirect STDERR to this console\n" - + se.getMessage()); + unredirectStreams(); } - quit = false; // signals the Threads that they should exit // Starting two seperate threads to read from the PipedInputStreams @@ -129,13 +145,101 @@ public class Console extends WindowAdapter implements WindowListener, reader2 = new Thread(this); reader2.setDaemon(true); reader2.start(); + // and a thread to append text to the textarea + textAppender = new Thread(this); + textAppender.setDaemon(true); + textAppender.start(); + } + + PipedOutputStream pout = null, perr = null; + + public void redirectStreams() + { + if (pout == null) + { + try + { + pout = new PipedOutputStream(this.pin); + System.setOut(new PrintStream(pout, true)); + } catch (java.io.IOException io) + { + textArea.append("Couldn't redirect STDOUT to this console\n" + + io.getMessage()); + io.printStackTrace(stderr); + } catch (SecurityException se) + { + textArea.append("Couldn't redirect STDOUT to this console\n" + + se.getMessage()); + se.printStackTrace(stderr); + } + + try + { + perr = new PipedOutputStream(this.pin2); + System.setErr(new PrintStream(perr, true)); + } catch (java.io.IOException io) + { + textArea.append("Couldn't redirect STDERR to this console\n" + + io.getMessage()); + io.printStackTrace(stderr); + } catch (SecurityException se) + { + textArea.append("Couldn't redirect STDERR to this console\n" + + se.getMessage()); + se.printStackTrace(stderr); + } + } + } + + public void unredirectStreams() + { + if (pout != null) + { + try + { + System.setOut(stdout); + pout.flush(); + pout.close(); + pin = new PipedInputStream(); + pout = null; + } catch (java.io.IOException io) + { + textArea.append("Couldn't unredirect STDOUT to this console\n" + + io.getMessage()); + io.printStackTrace(stderr); + } catch (SecurityException se) + { + textArea.append("Couldn't unredirect STDOUT to this console\n" + + se.getMessage()); + se.printStackTrace(stderr); + } + + try + { + System.setErr(stderr); + perr.flush(); + perr.close(); + pin2 = new PipedInputStream(); + perr = null; + } catch (java.io.IOException io) + { + textArea.append("Couldn't unredirect STDERR to this console\n" + + io.getMessage()); + io.printStackTrace(stderr); + } catch (SecurityException se) + { + textArea.append("Couldn't unredirect STDERR to this console\n" + + se.getMessage()); + se.printStackTrace(stderr); + } + } } public void test() { // testing part // you may omit this part for your application - // + // System.out.println("Hello World 2"); System.out.println("All fonts available to Graphic2D:\n"); @@ -143,7 +247,9 @@ public class Console extends WindowAdapter implements WindowListener, .getLocalGraphicsEnvironment(); String[] fontNames = ge.getAvailableFontFamilyNames(); for (int n = 0; n < fontNames.length; n++) + { System.out.println(fontNames[n]); + } // Testing part: simple an error thrown anywhere in this JVM will be printed // on the Console // We do it with a seperate Thread becasue we don't wan't to break a Thread @@ -159,9 +265,13 @@ public class Console extends WindowAdapter implements WindowListener, JFrame frame = new JFrame(string); frame.setName(string); if (x == -1) - x = (int) (i / 2); + { + x = i / 2; + } if (y == -1) - y = (int) (j / 2); + { + y = j / 2; + } frame.setBounds(x, y, i, j); return frame; } @@ -173,6 +283,18 @@ public class Console extends WindowAdapter implements WindowListener, */ public Console(Desktop desktop) { + this(desktop, true); + } + + /** + * attach a console to the desktop - the desktop will open it if requested. + * + * @param desktop + * @param showjconsole + * - if true, then redirect stdout immediately + */ + public Console(Desktop desktop, boolean showjconsole) + { parent = desktop; // window name - get x,y,width, height possibly scaled Rectangle bounds = desktop.getLastKnownDimensions("JAVA_CONSOLE_"); @@ -186,6 +308,7 @@ public class Console extends WindowAdapter implements WindowListener, frame = initFrame("Jalview Java Console", bounds.width, bounds.height, bounds.x, bounds.y); } + frame.setMinimumSize(new Dimension(MIN_WIDTH, MIN_HEIGHT)); // desktop.add(frame); initConsole(false); JalviewAppender jappender = new JalviewAppender(); @@ -197,27 +320,52 @@ public class Console extends WindowAdapter implements WindowListener, public synchronized void stopConsole() { quit = true; - this.notifyAll(); // stop all threads - try - { - reader.join(10); - pin.close(); - } catch (Exception e) + this.notifyAll(); + /* + * reader.notify(); reader2.notify(); if (errorThrower!=null) + * errorThrower.notify(); // stop all threads if (textAppender!=null) + * textAppender.notify(); + */ + if (pout != null) { + try + { + reader.join(10); + pin.close(); + } catch (Exception e) + { + } + try + { + reader2.join(10); + pin2.close(); + } catch (Exception e) + { + } + try + { + textAppender.join(10); + } catch (Exception e) + { + } } - try - { - reader2.join(10); - pin2.close(); - } catch (Exception e) + if (!frame.isVisible()) { + frame.dispose(); } // System.exit(0); } + @Override public synchronized void windowClosed(WindowEvent evt) { frame.setVisible(false); + closeConsoleGui(); + } + + private void closeConsoleGui() + { + updateConsole = false; if (parent == null) { @@ -229,70 +377,151 @@ public class Console extends WindowAdapter implements WindowListener, } } + @Override public synchronized void windowClosing(WindowEvent evt) { frame.setVisible(false); // default behaviour of JFrame + closeConsoleGui(); + // frame.dispose(); } + @Override public synchronized void actionPerformed(ActionEvent evt) { trimBuffer(true); // textArea.setText(""); } + @Override public synchronized void run() { try { while (Thread.currentThread() == reader) { - if (pin.available()==0) - {try + if (pin == null || pin.available() == 0) { - this.wait(100); - } catch (InterruptedException ie) - { - }} - + try + { + this.wait(100); + if (pin.available() == 0) + { + trimBuffer(false); + } + } catch (InterruptedException ie) + { + } + } + while (pin.available() != 0) { String input = this.readLine(pin); stdout.print(input); - textArea.append(input); + long time = System.nanoTime(); + appendToTextArea(input); + // stderr.println("Time taken to stdout append:\t" + // + (System.nanoTime() - time) + " ns"); // lines++; } if (quit) + { return; - trimBuffer(false); + } } while (Thread.currentThread() == reader2) { - if (pin2.available()==0) { - try - { - this.wait(100); - } catch (InterruptedException ie) + if (pin2.available() == 0) { - } + try + { + this.wait(100); + if (pin2.available() == 0) + { + trimBuffer(false); + } + } catch (InterruptedException ie) + { + } } while (pin2.available() != 0) { String input = this.readLine(pin2); stderr.print(input); - textArea.append(input); + long time = System.nanoTime(); + appendToTextArea(input); + // stderr.println("Time taken to stderr append:\t" + // + (System.nanoTime() - time) + " ns"); // lines++; } if (quit) + { return; - trimBuffer(false); + } + } + while (Thread.currentThread() == textAppender) + { + if (updateConsole) + { + // check string buffer - if greater than console, clear console and + // replace with last segment of content, otherwise, append all to + // content. + long count; + while (displayPipe.length() > 0) + { + count = 0; + StringBuffer tmp = new StringBuffer(), replace; + synchronized (displayPipe) + { + replace = displayPipe; + displayPipe = tmp; + } + // simply append whole buffer + textArea.append(replace.toString()); + count += replace.length(); + if (count > byteslim) + { + trimBuffer(false); + } + } + if (displayPipe.length() == 0) + { + try + { + this.wait(100); + if (displayPipe.length() == 0) + { + trimBuffer(false); + } + } catch (InterruptedException e) + { + } + ; + } + } + else + { + try + { + this.wait(100); + } catch (InterruptedException e) + { + + } + } + if (quit) + { + return; + } + } } catch (Exception e) { textArea.append("\nConsole reports an Internal error."); textArea.append("The error is: " + e.getMessage()); - lines += 2; + // Need to uncomment this to ensure that line tally is synched. + // lines += 2; stderr.println("Console reports an Internal error.\nThe error is: " + e); } @@ -307,42 +536,75 @@ public class Console extends WindowAdapter implements WindowListener, { } throw new NullPointerException( - "Application test: throwing an NullPointerException It should arrive at the console"); + MessageManager.getString("exception.application_test_npe")); + } + } + + private void appendToTextArea(final String input) + { + if (updateConsole == false) + { + // do nothing; + return; } + long time = System.nanoTime(); + javax.swing.SwingUtilities.invokeLater(new Runnable() + { + @Override + public void run() + { + displayPipe.append(input); // change to stringBuffer + // displayPipe.flush(); + + } + }); + // stderr.println("Time taken to Spawnappend:\t" + (System.nanoTime() - + // time) + // + " ns"); } + private String header = null; + + private boolean updateConsole = false; + private synchronized void trimBuffer(boolean clear) { - // trim the buffer - if (clear || lines > lim) + if (header == null && textArea.getLineCount() > 5) { try { - if (lines > 5) + header = textArea.getText(0, textArea.getLineStartOffset(5)) + + "\nTruncated...\n"; + } catch (Exception e) + { + e.printStackTrace(); + } + } + // trim the buffer + int tlength = textArea.getDocument().getLength(); + if (header != null) + { + if (clear || (tlength > byteslim)) + { + try { - // minimum length for truncation/clearing - String header = textArea.getText(0, textArea.getLineEndOffset(5)) - + "\n..Truncated..\n"; // keep first 5 lines for startup info - int truncate; if (!clear) { - truncate = textArea.getLineEndOffset(lines - lim - 7); - textArea.setText(header - + textArea.getText(truncate, textArea.getText() - .length() - - truncate)); + long time = System.nanoTime(); + textArea.replaceRange(header, 0, tlength - bytescut); + // stderr.println("Time taken to cut:\t" + // + (System.nanoTime() - time) + " ns"); } else { textArea.setText(header); } + } catch (Exception e) + { + e.printStackTrace(); } - - } catch (Exception e) - { - e.printStackTrace(); + // lines = textArea.getLineCount(); } - lines = textArea.getLineCount(); } } @@ -356,14 +618,17 @@ public class Console extends WindowAdapter implements WindowListener, { int available = in.available(); if (available == 0) + { break; + } byte b[] = new byte[available]; in.read(b); input = input + new String(b, 0, b.length); - while ((lp = input.indexOf("\n", lp + 1)) > -1) - { - lines++; - } + // counts lines - we don't do this for speed. + // while ((lp = input.indexOf("\n", lp + 1)) > -1) + // { + // lines++; + // } } while (!input.endsWith("\n") && !input.endsWith("\r\n") && !quit); return input; } @@ -379,8 +644,15 @@ public class Console extends WindowAdapter implements WindowListener, frame.setVisible(selected); if (selected == true) { + redirectStreams(); + updateConsole = true; frame.toFront(); } + else + { + unredirectStreams(); + updateConsole = false; + } } public Rectangle getBounds() @@ -391,4 +663,29 @@ public class Console extends WindowAdapter implements WindowListener, } return null; } + + /** + * set the banner that appears at the top of the console output + * + * @param string + */ + public void setHeader(String string) + { + header = string; + if (header.charAt(header.length() - 1) != '\n') + { + header += "\n"; + } + textArea.insert(header, 0); + } + + /** + * get the banner + * + * @return + */ + public String getHeader() + { + return header; + } }