package ser09j;

import java.io.ObjectInputFilter;

class BikeFilter implements ObjectInputFilter {

@Override

public Status checkInput(FilterInfo filterInfo) {

System.out.println("filterInfo.references = " + filterInfo.references());

System.out.println("filterInfo.depth = " + filterInfo.depth());

System.out.println("filterInfo.streamBytes = " + filterInfo.streamBytes());

System.out.println("filterInfo.serialClass = " + filterInfo.serialClass().getCanonicalName());

long maxStreamBytes = 78; // Maximum allowed bytes in the stream.

long maxDepth = 1;

long maxReferences = 1;

if (filterInfo.references() < 0 || filterInfo.depth() < 0 || filterInfo.streamBytes() < 0

|| filterInfo.references() > maxReferences || filterInfo.depth() > maxDepth

|| filterInfo.streamBytes() > maxStreamBytes) {

return Status.REJECTED;

}

Class<?> clazz = filterInfo.serialClass();

if (clazz != null) {

if (Bicycle.class == filterInfo.serialClass()) {

return Status.ALLOWED;

}

else {

return Status.REJECTED;

}

}

return Status.UNDECIDED;

} // end checkInput

} // end class BikeFilter