public static void main(String[] args) throws Exception {
ByteArrayOutputStream bout;
ByteArrayInputStream bin;
ObjectOutputStream oout;
ObjectInputStream oin;
FileInputStream fin;
File foof;
CustomOutputStream cout;
CustomInputStream cin;
// test for backwards compatibility
bout = new ByteArrayOutputStream();
foof = new File(System.getProperty("test.src", "."), "Foo.ser");
fin = new FileInputStream(foof);
while (fin.available() > 0) bout.write(fin.read());
byte[] buf1 = bout.toByteArray();
bout = new ByteArrayOutputStream();
oout = new ObjectOutputStream(bout);
Foo foo = new Foo();
oout.writeObject(foo);
oout.flush();
byte[] buf2 = bout.toByteArray();
if (!Arrays.equals(buf1, buf2)) throw new Error("Incompatible stream format (write)");
fin = new FileInputStream(foof);
oin = new ObjectInputStream(fin);
Foo foocopy = (Foo) oin.readObject();
if (!foo.equals(foocopy)) throw new Error("Incompatible stream format (read)");
// make sure write hook not called when old protocol in use
bout = new ByteArrayOutputStream();
cout = new CustomOutputStream(bout);
cout.useProtocolVersion(PROTOCOL_VERSION_1);
cout.writeObject(foo);
if (cout.hookCalled) throw new Error("write descriptor hook should not be called");
// write custom class descriptor representations
bout = new ByteArrayOutputStream();
cout = new CustomOutputStream(bout);
cout.writeObject(foo);
cout.flush();
bin = new ByteArrayInputStream(bout.toByteArray());
cin = new CustomInputStream(bin);
foocopy = (Foo) cin.readObject();
if (!cout.hookCalled) throw new Error("write descriptor hook never called");
if (!cin.hookCalled) throw new Error("read descriptor hook never called");
if (!foo.equals(foocopy)) throw new Error("serialization failed when hooks active");
}
/** @param args the command line arguments */
public static void main(String[] args) {
int foo = 6;
// String someString = null;
String someString;
String otherString;
Foo f1, f2, f3;
f1 = new Foo(10);
f2 = f1;
someString = "some string here, yo!";
otherString = "yo yo yo it's all about the bass fishing";
System.out.println("foo = " + foo);
method();
System.out.println("foo = " + foo);
System.out.println("someString = " + someString);
System.out.println("length of someString = " + someString.length());
System.out.println("otherString = " + otherString);
otherString = someString;
System.out.println("otherString = " + otherString);
otherString = otherString.concat(someString);
System.out.println("otherString = " + otherString);
System.out.println("someString = " + someString);
System.out.println("f1.foo = " + f1.getFoo());
System.out.println("f2.foo = " + f2.getFoo());
f1.setFoo(30);
System.out.println("f1.foo = " + f1.getFoo());
System.out.println("f2.foo = " + f2.getFoo());
if (f1 == f2) {
System.out.println("f1 and f2 are the same object");
}
f2 = new Foo(30);
f3 = new Foo(30);
if (f1 == f3) {
System.out.println("f1 and f3 are the same object");
}
if (f1.equals(f3)) {
System.out.println("f1 and f3 have equivalent data in them");
}
}
