public static void main(String[] args) {
String fileName = null;
ClassReader classReader = null;
try {
/* Filename should be the first command line argument */
fileName = args[0];
} catch (ArrayIndexOutOfBoundsException ex) {
errorMessage("Usage: java Decompile <class file>");
}
try {
try {
/* Create ClassReader instance and fill it */
classReader = new ClassReader(fileName);
classReader.readAll();
} catch (ClassFileMagicMismatch ex) {
errorMessage("This does not appear to be a class file!");
} catch (FileNotFoundException ex) {
errorMessage("File not found!");
} catch (EOFException ex) {
errorMessage("Class file format seems to be invalid!");
} catch (UnknownConstantPoolTag ex) {
errorMessage("Class file format seems to be invalid" + " (unknown tag in constant pool)!");
} catch (NullPointerException ex) {
bug();
} finally {
/* we no longer need the file object in classReader */
if (classReader != null) classReader.close();
}
} catch (IOException ex) {
errorMessage("I/O error!");
}
/* Here goes the printing */
System.out.format("\n/* File %s */%n", fileName);
try {
classReader.printNice();
} catch (NullPointerException ex) {
bug();
}
}
