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184 lines
5.6 KiB
184 lines
5.6 KiB
package jode;
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import java.applet.*;
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import java.awt.*;
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import java.awt.event.*;
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import java.io.*;
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public class JodeWindow
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implements ActionListener, Runnable
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{
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TextField classpathField, classField;
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TextArea sourcecodeArea, errorArea;
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Checkbox verboseCheck, prettyCheck;
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Button startButton, saveButton;
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String lastClassName;
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Frame frame;
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Thread decompileThread;
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public JodeWindow(Container window) {
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buildComponents(window);
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}
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private void buildComponents(Container window) {
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if (window instanceof Frame)
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frame = (Frame) window;
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classpathField = new TextField(50);
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classField = new TextField(50);
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sourcecodeArea = new TextArea(20, 80);
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errorArea = new TextArea(3, 80);
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verboseCheck = new Checkbox("verbose", false);
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prettyCheck = new Checkbox("pretty", false);
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startButton = new Button("start");
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saveButton = new Button("save");
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saveButton.setEnabled(false);
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sourcecodeArea.setEditable(false);
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errorArea.setEditable(false);
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window.setLayout(new GridBagLayout());
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GridBagConstraints labelConstr = new GridBagConstraints();
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GridBagConstraints textConstr = new GridBagConstraints();
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GridBagConstraints areaConstr = new GridBagConstraints();
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GridBagConstraints checkConstr = new GridBagConstraints();
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GridBagConstraints buttonConstr = new GridBagConstraints();
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labelConstr.fill = GridBagConstraints.NONE;
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textConstr.fill = GridBagConstraints.HORIZONTAL;
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areaConstr.fill = GridBagConstraints.BOTH;
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checkConstr.fill = GridBagConstraints.NONE;
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buttonConstr.fill = GridBagConstraints.NONE;
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labelConstr.anchor = GridBagConstraints.EAST;
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textConstr.anchor = GridBagConstraints.CENTER;
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checkConstr.anchor = GridBagConstraints.WEST;
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buttonConstr.anchor = GridBagConstraints.CENTER;
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labelConstr.anchor = GridBagConstraints.EAST;
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textConstr.gridwidth = GridBagConstraints.REMAINDER;
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textConstr.weightx = 1.0;
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areaConstr.gridwidth = GridBagConstraints.REMAINDER;
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areaConstr.weightx = 1.0;
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areaConstr.weighty = 1.0;
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window.add(new Label("class path: "), labelConstr);
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window.add(classpathField, textConstr);
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window.add(new Label("class name: "), labelConstr);
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window.add(classField, textConstr);
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window.add(verboseCheck, checkConstr);
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window.add(prettyCheck, checkConstr);
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labelConstr.weightx = 1.0;
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window.add(new Label(), labelConstr);
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window.add(startButton, buttonConstr);
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buttonConstr.gridwidth = GridBagConstraints.REMAINDER;
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window.add(saveButton, buttonConstr);
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window.add(sourcecodeArea, areaConstr);
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areaConstr.gridheight = GridBagConstraints.REMAINDER;
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areaConstr.weighty = 0.0;
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window.add(errorArea, areaConstr);
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startButton.addActionListener(this);
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saveButton.addActionListener(this);
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Decompiler.err = new PrintStream(new AreaOutputStream(errorArea));
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}
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public void setClasspath(String cp) {
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classpathField.setText(cp);
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}
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public void setClass(String cls) {
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classField.setText(cls);
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}
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public synchronized void actionPerformed(ActionEvent e) {
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if (e.getSource() == startButton) {
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startButton.setEnabled(false);
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decompileThread = new Thread(this);
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sourcecodeArea.setText("Please wait, while decompiling...\n");
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decompileThread.start();
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} else if (e.getSource() == saveButton) {
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if (frame == null)
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frame = new Frame(); //XXX
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FileDialog fd = new FileDialog(frame,
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"Save decompiled code",
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FileDialog.SAVE);
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fd.setFile(lastClassName.substring
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(lastClassName.lastIndexOf('.')+1).concat(".java"));
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fd.show();
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String fileName = fd.getFile();
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if (fileName == null)
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return;
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try {
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File f = new File(new File(fd.getDirectory()), fileName);
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FileWriter out = new FileWriter(f);
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out.write(sourcecodeArea.getText());
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out.close();
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} catch (IOException ex) {
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errorArea.setText("");
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Decompiler.err.println("Couldn't write to file "
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+ fileName + ": ");
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ex.printStackTrace(Decompiler.err);
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}
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}
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}
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public class AreaOutputStream extends OutputStream {
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private TextArea area;
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public AreaOutputStream(TextArea a) {
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area = a;
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}
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public void write(int b) throws IOException {
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area.append(String.valueOf((byte)b));
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}
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public void write(byte[] b, int off, int len) throws IOException {
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area.append(new String(b, off, len));
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}
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}
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public void run() {
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Decompiler.isVerbose = verboseCheck.getState();
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Decompiler.prettyLocals = prettyCheck.getState();
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errorArea.setText("");
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saveButton.setEnabled(false);
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lastClassName = classField.getText();
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String cp = classpathField.getText();
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cp = cp.replace(':', jode.bytecode.SearchPath.protocolSeparator);
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cp = cp.replace(',', File.pathSeparatorChar);
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JodeEnvironment env = new JodeEnvironment(cp);
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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try {
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TabbedPrintWriter writer = new TabbedPrintWriter(out, " ");
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env.doClass(lastClassName, writer);
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sourcecodeArea.setText(out.toString());
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saveButton.setEnabled(true);
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} catch (Throwable t) {
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sourcecodeArea.setText("Didn't succeed.\n"
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+"Check the below area for more info.");
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t.printStackTrace();
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} finally {
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synchronized(this) {
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decompileThread = null;
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startButton.setEnabled(true);
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}
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}
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}
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public static void main(String argv[]) {
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Frame frame = new Frame(Decompiler.copyright);
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JodeWindow win = new JodeWindow(frame);
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String cp = System.getProperty("java.class.path");
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if (cp != null)
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win.setClasspath(cp.replace(File.pathSeparatorChar, ','));
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String cls = win.getClass().getName();
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win.setClass(cls);
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frame.addWindowListener(new WindowAdapter() {
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public void windowClosing(WindowEvent e) {
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System.exit(0);
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}
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});
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frame.pack();
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frame.show();
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}
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}
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