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jode/jode/jode/swingui/Main.java.in

278 lines
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/* Main Copyright (C) 1999 Jochen Hoenicke.
*
* This program 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 2, or (at your option)
* any later version.
*
* This program 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 this program; see the file COPYING. If not, write to
* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
*
* $Id$
*/
package jode.swingui;
import jode.GlobalOptions;
import jode.decompiler.*;
import jode.bytecode.ClassInfo;
import jode.bytecode.SearchPath;
import @JAVAX_SWING@.*;
import @JAVAX_SWING@.event.*;
import @JAVAX_SWING@.tree.*;
import java.awt.*;
import java.awt.event.*;
import java.io.*;
public class Main
implements ActionListener, Runnable, TreeSelectionListener {
JFrame frame;
JTree classTree;
PackagesTreeModel classModel;
JTextArea sourcecodeArea, errorArea;
Thread decompileThread;
String currentClassPath, lastClassName;
public Main(String classpath) {
setClasspath(classpath);
frame = new JFrame(GlobalOptions.copyright);
fillContentPane(frame.getContentPane());
addMenu(frame);
frame.setDefaultCloseOperation(WindowConstants.DISPOSE_ON_CLOSE);
frame.addWindowListener(new WindowAdapter() {
public void windowClosing(WindowEvent e) {
System.exit(0);
}
});
}
public void show() {
frame.pack();
frame.show();
}
public void fillContentPane(Container contentPane) {
Font monospaced = new Font("monospaced", Font.PLAIN, 12);
classModel = new PackagesTreeModel();
classTree = new JTree(classModel);
classTree.setRootVisible(false);
DefaultTreeSelectionModel selModel = new DefaultTreeSelectionModel();
selModel.setSelectionMode(selModel.SINGLE_TREE_SELECTION);
classTree.setSelectionModel(selModel);
classTree.addTreeSelectionListener(this);
JScrollPane spClassTree = new JScrollPane(classTree);
sourcecodeArea = new JTextArea(20, 80);
sourcecodeArea.setFont(monospaced);
JScrollPane spText = new JScrollPane(sourcecodeArea);
errorArea = new JTextArea(3, 80);
errorArea.setFont(monospaced);
JScrollPane spError = new JScrollPane(errorArea);
JSplitPane rightPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT,
spText, spError);
JSplitPane allPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT,
spClassTree, rightPane);
contentPane.add(allPane);
rightPane.setDividerLocation(300);
rightPane.setDividerSize(4);
allPane.setDividerLocation(200);
allPane.setDividerSize(4);
GlobalOptions.err = new PrintWriter(new AreaWriter(errorArea), true);
}
public synchronized void valueChanged(TreeSelectionEvent e) {
if (decompileThread != null)
return;
TreePath path = e.getNewLeadSelectionPath();
if (path == null)
return;
Object node = path.getLastPathComponent();
if (node != null && classModel.isLeaf(node)) {
lastClassName = classModel.getFullName(node);
decompileThread = new Thread(this);
decompileThread.setPriority(Thread.MIN_PRIORITY);
sourcecodeArea.setText("Please wait, while decompiling...\n");
decompileThread.start();
}
}
public synchronized void actionPerformed(ActionEvent e) {
if (e.getSource() == classTree && decompileThread == null) {
// startButton.setEnabled(false);
decompileThread = new Thread(this);
sourcecodeArea.setText("Please wait, while decompiling...\n");
decompileThread.start();
// } else if (e.getSource() == saveButton) {
// if (frame == null)
// frame = new Frame(); //XXX
// FileDialog fd = new FileDialog(frame,
// "Save decompiled code",
// FileDialog.SAVE);
// fd.setFile(lastClassName.substring
// (lastClassName.lastIndexOf('.')+1).concat(".java"));
// fd.show();
// String fileName = fd.getFile();
// if (fileName == null)
// return;
// try {
// File f = new File(new File(fd.getDirectory()), fileName);
// FileWriter out = new FileWriter(f);
// out.write(sourcecodeArea.getText());
// out.close();
// } catch (IOException ex) {
// errorArea.setText("");
// GlobalOptions.err.println("Couldn't write to file "
// + fileName + ": ");
// ex.printStackTrace(GlobalOptions.err);
// }
}
}
public class AreaWriter extends Writer {
boolean initialized = false;
private JTextArea area;
public AreaWriter(JTextArea a) {
area = a;
}
public void write(char[] b, int off, int len) throws IOException {
if (!initialized) {
area.setText("");
initialized = true;
}
///#ifdef AWT10
/// area.appendText(new String(b, off, len));
///#else
area.append(new String(b, off, len));
///#endif
}
public void flush() {
}
public void close() {
}
}
public void run() {
// Decompiler.isVerbose = verboseCheck.getState();
// if (prettyCheck.getState())
// Decompiler.options |= Decompiler.OPTION_PRETTY;
// else
// Decompiler.options &= ~Decompiler.OPTION_PRETTY;
errorArea.setText("");
// saveButton.setEnabled(false);
ImportHandler imports = new ImportHandler();
try {
ClassInfo clazz = ClassInfo.forName(lastClassName);
imports.init(lastClassName);
ClassAnalyzer clazzAna = new ClassAnalyzer(null, clazz, imports);
clazzAna.analyze();
clazzAna.analyzeInnerClasses();
clazzAna.makeDeclaration();
sourcecodeArea.setText("");
TabbedPrintWriter writer =
new TabbedPrintWriter
(new BufferedWriter
(new AreaWriter(sourcecodeArea), 1024), imports, false);
imports.dumpHeader(writer);
clazzAna.dumpSource(writer);
writer.close();
// saveButton.setEnabled(true);
} catch (Throwable t) {
sourcecodeArea.setText("Didn't succeed.\n"
+"Check the below area for more info.");
t.printStackTrace(GlobalOptions.err);
} finally {
synchronized(this) {
decompileThread = null;
// startButton.setEnabled(true);
}
}
}
public void addMenu(JFrame frame) {
JMenuBar bar = new JMenuBar();
JMenu menu;
JMenuItem item;
menu = new JMenu("File");
item = new JMenuItem("Garbage collect");
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
System.gc();
System.runFinalization();
}
});
menu.add(item);
item = new JMenuItem("Exit");
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
System.exit(0);
}
});
menu.add(item);
bar.add(menu);
menu = new JMenu("Options");
item = new JMenuItem("Set classpath...");
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
String newClassPath = (String) JOptionPane.showInputDialog
(null, "New classpath:", null,
JOptionPane.QUESTION_MESSAGE, null,
null, currentClassPath);
if (newClassPath != null
&& !newClassPath.equals(currentClassPath))
setClasspath(newClassPath);
}
});
menu.add(item);
item = new JMenuItem("Reload classpath");
item.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent ev) {
setClasspath(currentClassPath);
}
});
menu.add(item);
bar.add(menu);
frame.setJMenuBar(bar);
}
public void setClasspath(String classpath) {
if (classpath == null || classpath.length() == 0)
classpath = ".";
currentClassPath = classpath;
ClassInfo.setClassPath(classpath);
if (classModel != null) {
classTree.clearSelection();
classModel.rebuild();
}
}
public static void main(String[] params) {
String cp = System.getProperty("java.class.path", "");
cp = cp.replace(File.pathSeparatorChar, SearchPath.pathSeparatorChar);
for (int i=0; i<params.length; i++) {
if (params[i].equals("--cp"))
cp = params[++i];
else
return;
}
GlobalOptions.verboseLevel = 1;
Main win = new Main(cp);
win.show();
}
}