/*
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* ProGuard -- shrinking, optimization, obfuscation, and preverification
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* of Java bytecode.
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*
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* Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package proguard.gui;
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import proguard.*;
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import javax.swing.*;
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import java.awt.*;
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import java.io.PrintStream;
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/**
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* This <code>Runnable</code> runs ProGuard, sending console output to a text
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* area and any exceptions to message dialogs.
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*
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* @see ProGuard
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* @author Eric Lafortune
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*/
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final class ProGuardRunnable implements Runnable
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{
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private final JTextArea consoleTextArea;
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private final Configuration configuration;
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private final String configurationFileName;
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/**
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* Creates a new ProGuardRunnable object.
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* @param consoleTextArea the text area to send the console output to.
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* @param configuration the ProGuard configuration.
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* @param configurationFileName the optional file name of the configuration,
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* for informational purposes.
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*/
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public ProGuardRunnable(JTextArea consoleTextArea,
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Configuration configuration,
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String configurationFileName)
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{
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this.consoleTextArea = consoleTextArea;
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this.configuration = configuration;
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this.configurationFileName = configurationFileName;
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}
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// Implementation for Runnable.
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public void run()
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{
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consoleTextArea.setCursor(Cursor.getPredefinedCursor(Cursor.WAIT_CURSOR));
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consoleTextArea.setText("");
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// Redirect the System's out and err streams to the console text area.
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PrintStream oldOut = System.out;
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PrintStream oldErr = System.err;
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PrintStream printStream =
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new PrintStream(new TextAreaOutputStream(consoleTextArea), true);
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System.setOut(printStream);
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System.setErr(printStream);
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try
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{
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// Create a new ProGuard object with the GUI's configuration.
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ProGuard proGuard = new ProGuard(configuration);
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// Run it.
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proGuard.execute();
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// Print out the completion message.
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System.out.println("Processing completed successfully");
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}
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catch (Exception ex)
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{
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//ex.printStackTrace();
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// Print out the exception message.
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System.out.println(ex.getMessage());
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// Show a dialog as well.
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MessageDialogRunnable.showMessageDialog(consoleTextArea,
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ex.getMessage(),
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msg("errorProcessing"),
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JOptionPane.ERROR_MESSAGE);
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}
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catch (OutOfMemoryError er)
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{
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// Forget about the ProGuard object as quickly as possible.
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System.gc();
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// Print out a message suggesting what to do next.
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System.out.println(msg("outOfMemoryInfo", configurationFileName));
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// Show a dialog as well.
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MessageDialogRunnable.showMessageDialog(consoleTextArea,
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msg("outOfMemory"),
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msg("errorProcessing"),
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JOptionPane.ERROR_MESSAGE);
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}
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finally
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{
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// Make sure all output has been sent to the console text area.
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printStream.close();
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// Restore the old System's out and err streams.
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System.setOut(oldOut);
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System.setErr(oldErr);
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}
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consoleTextArea.setCursor(Cursor.getPredefinedCursor(Cursor.DEFAULT_CURSOR));
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// Reset the global static redirection lock.
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ProGuardGUI.systemOutRedirected = false;
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}
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// Small utility methods.
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/**
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* Returns the message from the GUI resources that corresponds to the given
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* key.
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*/
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private String msg(String messageKey)
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{
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return GUIResources.getMessage(messageKey);
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}
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/**
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* Returns the message from the GUI resources that corresponds to the given
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* key and argument.
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*/
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private String msg(String messageKey,
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Object messageArgument)
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{
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return GUIResources.getMessage(messageKey, new Object[] {messageArgument});
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}
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}
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