X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fgui%2FConsole.java;h=cb53d1403366d5aa9a6da2714178336e84889f53;hb=a1984b1c8c273ed33c7ce9283039f4027dcae2de;hp=3be4c8bde4901ea90d19e363353947cebdfa36d6;hpb=d423f22792e47dbc800ae220a58677f988971d06;p=jalview.git diff --git a/src/jalview/gui/Console.java b/src/jalview/gui/Console.java index 3be4c8b..cb53d14 100644 --- a/src/jalview/gui/Console.java +++ b/src/jalview/gui/Console.java @@ -1,28 +1,65 @@ /* - * 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 org.apache.log4j.SimpleLayout; +import java.awt.BorderLayout; +import java.awt.Color; +import java.awt.Dimension; +import java.awt.GraphicsEnvironment; +import java.awt.GridBagConstraints; +import java.awt.GridBagLayout; +import java.awt.Rectangle; +import java.awt.Toolkit; +import java.awt.datatransfer.Clipboard; +import java.awt.datatransfer.StringSelection; +import java.awt.event.ActionEvent; +import java.awt.event.ActionListener; +import java.awt.event.MouseAdapter; +import java.awt.event.MouseEvent; +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.BorderFactory; +import javax.swing.JButton; +import javax.swing.JComboBox; +import javax.swing.JFrame; +import javax.swing.JLabel; +import javax.swing.JPanel; +import javax.swing.JScrollPane; +import javax.swing.JTextArea; +import javax.swing.border.Border; +import javax.swing.text.DefaultCaret; + +import jalview.bin.Cache; +import jalview.log.JLoggerI.LogLevel; +import jalview.log.JLoggerLog4j; +import jalview.log.JalviewAppender; +import jalview.util.ChannelProperties; +import jalview.util.MessageManager; +import jalview.util.Platform; /** * Simple Jalview Java Console. Version 1 - allows viewing of console output @@ -33,36 +70,45 @@ import org.apache.log4j.SimpleLayout; * own applications RJHM van den Bergh , rvdb@comweb.nl */ -public class Console extends WindowAdapter implements WindowListener, - ActionListener, Runnable +public class Console extends WindowAdapter + implements WindowListener, ActionListener, Runnable { private JFrame frame; 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; + + private JComboBox logLevelCombo = new JComboBox(); + + protected LogLevel startingLogLevel = LogLevel.INFO; + public Console() { // create all components and add them @@ -74,50 +120,161 @@ 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"); + // autoscroll + DefaultCaret caret = (DefaultCaret) textArea.getCaret(); + caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE); + // toggle autoscroll by clicking on the text area + Border pausedBorder = BorderFactory.createMatteBorder(2, 2, 2, 2, + textArea.getForeground()); + Border noBorder = BorderFactory.createEmptyBorder(2, 2, 2, 2); + JScrollPane scrollPane = new JScrollPane(textArea); + scrollPane.setBorder(noBorder); + textArea.addMouseListener(new MouseAdapter() + { + public void mouseClicked(MouseEvent e) + { + if (e.getButton() == MouseEvent.BUTTON1) + { + if (caret.getUpdatePolicy() == DefaultCaret.ALWAYS_UPDATE) + { + caret.setUpdatePolicy(DefaultCaret.NEVER_UPDATE); + scrollPane.setBorder(pausedBorder); + } + else + { + caret.setUpdatePolicy(DefaultCaret.ALWAYS_UPDATE); + textArea.setCaretPosition(textArea.getDocument().getLength()); + scrollPane.setBorder(noBorder); + } + } + } + }); + + JButton clearButton = new JButton( + MessageManager.getString("action.clear")); + JButton copyToClipboardButton = new JButton( + MessageManager.getString("label.copy_to_clipboard")); + copyToClipboardButton.addActionListener(new ActionListener() + { + public void actionPerformed(ActionEvent e) + { + copyConsoleTextToClipboard(); + } + }); + copyToClipboardButton.addMouseListener(new MouseAdapter() + { + private Color bg = textArea.getBackground(); + + private Color fg = textArea.getForeground(); + + public void mousePressed(MouseEvent e) + { + textArea.setBackground(textArea.getSelectionColor()); + textArea.setForeground(textArea.getSelectedTextColor()); + } + + public void mouseReleased(MouseEvent e) + { + textArea.setBackground(bg); + textArea.setForeground(fg); + } + + }); + copyToClipboardButton.setToolTipText( + MessageManager.getString("label.copy_to_clipboard_tooltip")); + + JLabel logLevelLabel = new JLabel( + MessageManager.getString("label.log_level") + ":"); + + // logLevelCombo.addItem(LogLevel.ALL); + logLevelCombo.addItem(LogLevel.TRACE); + logLevelCombo.addItem(LogLevel.DEBUG); + logLevelCombo.addItem(LogLevel.INFO); + logLevelCombo.addItem(LogLevel.WARN); + // logLevelCombo.addItem(LogLevel.ERROR); + // logLevelCombo.addItem(LogLevel.FATAL); + // logLevelCombo.addItem(LogLevel.ERROR); + // logLevelCombo.addItem(LogLevel.OFF); + // set startingLogLevel + startingLogLevel = Cache.log == null ? LogLevel.INFO + : Cache.log.getLevel(); + setChosenLogLevelCombo(); + logLevelCombo.addActionListener(new ActionListener() + { + public void actionPerformed(ActionEvent e) + { + if (Cache.log != null) + { + Cache.log.setLevel((LogLevel) logLevelCombo.getSelectedItem()); + } + } + + }); // frame = cpt; frame.getContentPane().setLayout(new BorderLayout()); - frame.getContentPane().add(new JScrollPane(textArea), - BorderLayout.CENTER); - frame.getContentPane().add(button, BorderLayout.SOUTH); + frame.getContentPane().add(scrollPane, BorderLayout.CENTER); + JPanel southPanel = new JPanel(); + southPanel.setLayout(new GridBagLayout()); + + JPanel logLevelPanel = new JPanel(); + logLevelPanel.setAlignmentX(JPanel.LEFT_ALIGNMENT); + logLevelPanel.add(logLevelLabel); + logLevelPanel.add(logLevelCombo); + String logLevelTooltip = MessageManager.formatMessage( + "label.log_level_tooltip", startingLogLevel.toString()); + logLevelLabel.setToolTipText(logLevelTooltip); + logLevelCombo.setToolTipText(logLevelTooltip); + + GridBagConstraints gbc = new GridBagConstraints(); + gbc.gridx = 0; + gbc.gridy = 0; + gbc.gridwidth = 1; + gbc.gridheight = 1; + gbc.weightx = 0.1; + southPanel.add(logLevelPanel, gbc); + + gbc.gridx++; + gbc.weightx = 0.8; + gbc.fill = GridBagConstraints.HORIZONTAL; + southPanel.add(clearButton, gbc); + + gbc.gridx++; + gbc.weightx = 0.1; + gbc.fill = GridBagConstraints.NONE; + southPanel.add(copyToClipboardButton, gbc); + + southPanel.setVisible(true); + frame.getContentPane().add(southPanel, BorderLayout.SOUTH); frame.setVisible(visible); - + updateConsole = visible; frame.addWindowListener(this); - button.addActionListener(this); + clearButton.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 +286,151 @@ 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(); + + // set icons + frame.setIconImages(ChannelProperties.getIconList()); + } + + private void setChosenLogLevelCombo() + { + setChosenLogLevelCombo(startingLogLevel); + } + + private void setChosenLogLevelCombo(LogLevel setLogLevel) + { + logLevelCombo.setSelectedItem(setLogLevel); + if (!logLevelCombo.getSelectedItem().equals(setLogLevel)) + { + // setLogLevel not (yet) in list + if (setLogLevel != null && setLogLevel instanceof LogLevel) + { + // add new item to list (might be set via .jalview_properties) + boolean added = false; + for (int i = 0; i < logLevelCombo.getItemCount(); i++) + { + LogLevel l = (LogLevel) logLevelCombo.getItemAt(i); + if (l.compareTo(setLogLevel) >= 0) + { + logLevelCombo.insertItemAt(setLogLevel, i); + added = true; + break; + } + } + if (!added) // lower priority than others or some confusion -- add to + // end of list + { + logLevelCombo.addItem(setLogLevel); + } + logLevelCombo.setSelectedItem(setLogLevel); + } + else + { + logLevelCombo.setSelectedItem(LogLevel.INFO); + } + } + } + + private void copyConsoleTextToClipboard() + { + String consoleText = textArea.getText(); + StringSelection consoleTextSelection = new StringSelection(consoleText); + Clipboard cb = Toolkit.getDefaultToolkit().getSystemClipboard(); + cb.setContents(consoleTextSelection, null); + } + + 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 +438,9 @@ 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 +456,13 @@ 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; } @@ -173,51 +474,99 @@ 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_"); if (bounds == null) { - frame = initFrame("Jalview Java Console", desktop.getWidth() / 2, - desktop.getHeight() / 4, desktop.getX(), desktop.getY()); + frame = initFrame( + ChannelProperties.getProperty("app_name") + " Java Console", + desktop.getWidth() / 2, desktop.getHeight() / 4, + desktop.getX(), desktop.getY()); } else { - frame = initFrame("Jalview Java Console", bounds.width, - bounds.height, bounds.x, bounds.y); + frame = initFrame( + ChannelProperties.getProperty("app_name") + " 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(); - jappender.setLayout(new SimpleLayout()); - JalviewAppender.setTextArea(textArea); - org.apache.log4j.Logger.getRootLogger().addAppender(jappender); + LogLevel level = (LogLevel) logLevelCombo.getSelectedItem(); + if (!Platform.isJS()) + { + JalviewAppender jappender = new JalviewAppender(level); + JalviewAppender.setTextArea(textArea); + jappender.start(); + if (Cache.log != null && Cache.log instanceof JLoggerLog4j) + { + JLoggerLog4j.addAppender(Cache.log, jappender); + } + } } 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) { @@ -229,68 +578,152 @@ 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) { - try - { - this.wait(100); - } catch (InterruptedException ie) + if (pin == null || pin.available() == 0) { + 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) { - 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; + } + } + 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; - trimBuffer(false); + } + } } catch (Exception e) { textArea.append("\nConsole reports an Internal error."); textArea.append("The error is: " + e.getMessage()); - lines += 2; - stderr.println("Console reports an Internal error.\nThe error is: " - + e); + // Need to uncomment this to ensure that line tally is synched. + // lines += 2; + stderr.println( + "Console reports an Internal error.\nThe error is: " + e); } // just for testing (Throw a Nullpointer after 1 second) @@ -303,42 +736,75 @@ 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(); } } @@ -352,18 +818,25 @@ 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; } + /** + * @j2sIgnore + * @param arg + */ public static void main(String[] arg) { new Console().test(); // create console with not reference @@ -375,8 +848,22 @@ public class Console extends WindowAdapter implements WindowListener, frame.setVisible(selected); if (selected == true) { + setChosenLogLevelCombo(); + redirectStreams(); + updateConsole = true; frame.toFront(); } + else + { + // reset log level to what it was before + if (Cache.log != null) + { + Cache.log.setLevel(startingLogLevel); + } + + unredirectStreams(); + updateConsole = false; + } } public Rectangle getBounds() @@ -387,4 +874,29 @@ 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; + } }