SimpleSerialization.java revision 4248
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0N/A * version 2 for more details (a copy is included in the LICENSE file that
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0N/A * -------------------------------------------
0N/A *
0N/A * Portions Copyright (c) 2010, 2011 IBM Corporation
0N/A */
0N/A
0N/A/*
0N/A * @test
0N/A * @bug 6927486
0N/A * @summary A serialized Hashtable can be de-serialized properly.
0N/A * @author Neil Richards <neil.richards@ngmr.net>, <neil_richards@uk.ibm.com>
0N/A */
0N/A
0N/Aimport java.io.ByteArrayInputStream;
0N/Aimport java.io.ByteArrayOutputStream;
0N/Aimport java.io.IOException;
0N/Aimport java.io.ObjectInputStream;
0N/Aimport java.io.ObjectOutputStream;
0N/Aimport java.io.PrintWriter;
0N/Aimport java.io.StringWriter;
0N/Aimport java.util.Hashtable;
0N/A
public class SimpleSerialization {
public static void main(final String[] args) throws Exception {
Hashtable<String, String> h1 = new Hashtable<>();
h1.put("key", "value");
final ByteArrayOutputStream baos = new ByteArrayOutputStream();
final ObjectOutputStream oos = new ObjectOutputStream(baos);
oos.writeObject(h1);
oos.close();
final byte[] data = baos.toByteArray();
final ByteArrayInputStream bais = new ByteArrayInputStream(data);
final ObjectInputStream ois = new ObjectInputStream(bais);
final Object deserializedObject = ois.readObject();
ois.close();
if (false == h1.equals(deserializedObject)) {
throw new RuntimeException(getFailureText(h1, deserializedObject));
}
}
private static String getFailureText(final Object orig, final Object copy) {
final StringWriter sw = new StringWriter();
final PrintWriter pw = new PrintWriter(sw);
pw.println("Test FAILED: Deserialized object is not equal to the original object");
pw.print("\tOriginal: ");
printObject(pw, orig).println();
pw.print("\tCopy: ");
printObject(pw, copy).println();
pw.close();
return sw.toString();
}
private static PrintWriter printObject(final PrintWriter pw, final Object o) {
pw.printf("%s@%08x", o.getClass().getName(), System.identityHashCode(o));
return pw;
}
}