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import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InvalidClassException;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.ObjectStreamClass;
//import java.util.Arrays;
//import java.util.List;
import org.aspectj.testing.Tester;
public class Util {
public final static String DEFAULT_COMMAND = "-read";
public final static String DEFAULT_NAME = "test.ser";
public static void fail (String name) throws Exception {
try {
Object obj = read(name);
Tester.checkFailed("java.io.InvalidClassException");
}
catch (InvalidClassException ex) {
System.out.println("? Util.fail() ex=" + ex);
}
}
public static Object read (String name) throws Exception {
Object obj;
File file = new File(name);
file.deleteOnExit();
ObjectInputStream in = null;
try {
in = new ObjectInputStream(new FileInputStream(file));
obj = in.readObject();
System.out.println("? Util.read() obj=" + obj);
}
finally {
in.close();
}
return obj;
}
public static void write (String name, Object obj) throws IOException {
File file = new File(name);
// File file = File.createTempFile(name,null);
ObjectOutputStream out = new ObjectOutputStream(new FileOutputStream(file));
out.writeObject(obj);
out.close();
System.out.println("? Util.write() suid=" + ObjectStreamClass.lookup(obj.getClass()));
}
public static void main (String[] args) throws Exception {
String command = (args.length > 0)? args[0] : DEFAULT_COMMAND;
String name = (args.length > 1)? args[1] : DEFAULT_NAME;
if (command.equals("-read")) {
Object obj = read(name);
}
else if (command.equals("-fail")) {
fail(name);
}
// if (args.length > 0) {
// }
// else {
// System.out.println("Usage: Util -fail | -read [name]");
// }
}
}
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