1 files changed, 34 insertions, 0 deletions
diff --git a/tutorial/examples/serialize/ObjectIn.java b/tutorial/examples/serialize/ObjectIn.java
new file mode 100644
index 0000000..4a3e1f1
--- /dev/null
+++ b/tutorial/examples/serialize/ObjectIn.java
@@ -0,0 +1,34 @@
+package examples.serialize;
+
+import java.io.*;
+import java.util.*;
+
+public class ObjectIn extends DataInputStream
+{
+    private Vector readObjects = new Vector();
+
+    public ObjectIn(InputStream is) {
+    super(is);
+    }
+
+    public Marshalable readObject() throws IOException {
+    int id = readInt();
+    if (id == -1)  return null; /* -1 implies null  */
+    if (id == -2) {
+        id = readInt();
+        return (Marshalable) readObjects.elementAt(id);
+    }
+
+    String classname = readUTF();
+    Marshalable obj;
+    try {
+        obj = (Marshalable) Class.forName(classname).newInstance();
+    } catch (Exception ex) {
+        throw new IOException(ex.toString());
+    }
+    readObjects.addElement(obj);
+    obj.readObject(this);
+
+    return obj;
+    }
+}