42 lines
2.0 KiB
Java
42 lines
2.0 KiB
Java
package xyz.valnet.engine.scenegraph;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InvalidClassException;
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import java.io.ObjectInputStream;
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import java.io.ObjectStreamClass;
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public class CustomObjectDeserializer extends ObjectInputStream {
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public CustomObjectDeserializer(InputStream in) throws IOException {
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super(in);
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}
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protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException {
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ObjectStreamClass resultClassDescriptor = super.readClassDescriptor(); // initially streams descriptor
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Class localClass; // the class in the local JVM that this descriptor represents.
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try {
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localClass = Class.forName(resultClassDescriptor.getName());
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} catch (ClassNotFoundException e) {
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System.out.println("No local class for " + resultClassDescriptor.getName());
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System.out.println(e);
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return resultClassDescriptor;
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}
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ObjectStreamClass localClassDescriptor = ObjectStreamClass.lookup(localClass);
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if (localClassDescriptor != null) { // only if class implements serializable
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final long localSUID = localClassDescriptor.getSerialVersionUID();
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final long streamSUID = resultClassDescriptor.getSerialVersionUID();
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if (streamSUID != localSUID) { // check for serialVersionUID mismatch.
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final StringBuffer s = new StringBuffer("Overriding serialized class version mismatch: ");
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s.append("local serialVersionUID = ").append(localSUID);
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s.append(" stream serialVersionUID = ").append(streamSUID);
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Exception e = new InvalidClassException(s.toString());
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System.out.println("Potentially Fatal Deserialization Operation.");
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System.out.println(e);
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resultClassDescriptor = localClassDescriptor; // Use local class descriptor for deserialization
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}
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}
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return resultClassDescriptor;
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}
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} |