// The MIT License (MIT)

//

// Copyright (c) 2019 Robert C. Seacord

//

// Permission is hereby granted, free of charge, to any person obtaining a copy

// of this software and associated documentation files (the "Software"), to deal

// in the Software without restriction, including without limitation the rights

// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

// copies of the Software, and to permit persons to whom the Software is

// furnished to do so, subject to the following conditions:

//

// The above copyright notice and this permission notice shall be included in all

// copies or substantial portions of the Software.

//

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

// SOFTWARE.

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