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/*
 * PublicKeyCertSelector.java
 *
 * Created on March 1, 2007, 5:03 PM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

package com.sun.xml.wss.impl.misc;
import com.sun.xml.wss.impl.XWSSecurityRuntimeException;
import java.security.cert.CertSelector;
import java.security.cert.Certificate;

import java.security.PublicKey;
import java.security.cert.X509Certificate;

/**
 *
 * @author Kumar Jayanti
 */
public class PublicKeyCertSelector implements CertSelector {
    
    PublicKey key = null;
    /** Creates a new instance of PublicKeyCertSelector */
    public PublicKeyCertSelector(PublicKey pk) {
        this.key = pk;
    }

    public boolean match(Certificate cert) {
        if (cert == null) {
            return false;
        }
        if (key == null) {
            //todo: log here
            throw new XWSSecurityRuntimeException("PublicKeyCertSelector instantiated with Null Key");
        }
        if (cert instanceof X509Certificate) {
            X509Certificate x509Cert = (X509Certificate)cert;
            if (key.equals(x509Cert.getPublicKey())) {
                return true;
            }
        }
        return false;
    }
    
     public Object clone() {
        return new PublicKeyCertSelector(key);
    }
}