openaz-xacml-test/src/test/java/org/apache/openaz/xacml/pdp/test/custom/DataTypePrivateKey.java

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 *  to you under the Apache License, Version 2.0 (the
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 *          THIS FILE CONTAINS PROPRIETARY INFORMATION OF
 *        AT&T AND IS NOT TO BE DISCLOSED OR USED EXCEPT IN
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package org.apache.openaz.xacml.pdp.test.custom;

import java.security.PrivateKey;

import org.apache.openaz.xacml.api.DataTypeException;
import org.apache.openaz.xacml.api.Identifier;
import org.apache.openaz.xacml.std.IdentifierImpl;
import org.apache.openaz.xacml.std.datatypes.DataTypeBase;

public class DataTypePrivateKey extends DataTypeBase<PrivateKey> {
    public static final Identifier DT_PRIVATEKEY = new IdentifierImpl(
                                                                      "urn:com:att:research:xacml:custom:3.0:rsa:private");
    private static final DataTypePrivateKey singleInstance = new DataTypePrivateKey();

    private DataTypePrivateKey() {
        super(DT_PRIVATEKEY, PrivateKey.class);
    }

    public static DataTypePrivateKey newInstance() {
        return singleInstance;
    }

    @Override
    public PrivateKey convert(Object source) throws DataTypeException {
        if (source == null || (source instanceof PrivateKey)) {
            return (PrivateKey)source;
        } else if (source instanceof byte[]) {
            return (PrivateKey)source;
        } else if (source instanceof String) {
            return (PrivateKey)(Object)((String)source).getBytes();
        }
        throw new DataTypeException(this, "Failed to convert \"" + source.getClass().getCanonicalName());
    }

}