src/org/apache/xml/security/keys/KeyUtils.java

/*
 * The Apache Software License, Version 1.1
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package org.apache.xml.security.keys;



import java.io.PrintStream;
import java.security.NoSuchAlgorithmException;
import java.security.PublicKey;
import java.security.spec.InvalidKeySpecException;

import org.apache.xml.security.exceptions.XMLSecurityException;
import org.apache.xml.security.keys.content.KeyName;
import org.apache.xml.security.keys.content.KeyValue;
import org.apache.xml.security.keys.content.MgmtData;
import org.apache.xml.security.keys.content.X509Data;


/**
 * Utility class for for <CODE>org.apache.xml.security.keys</CODE> package.
 *
 * @author $Author$
 */
public class KeyUtils {

   private KeyUtils() {
      // no instantiation
   }

   /**
    * Method prinoutKeyInfo
    *
    * @param ki
    * @param os
    * @throws InvalidKeySpecException
    * @throws NoSuchAlgorithmException
    * @throws XMLSecurityException
    */
   public static void prinoutKeyInfo(KeyInfo ki, PrintStream os)
           throws NoSuchAlgorithmException, InvalidKeySpecException,
                  XMLSecurityException {

      for (int i = 0; i < ki.lengthKeyName(); i++) {
         KeyName x = ki.itemKeyName(i);

         os.println("KeyName(" + i + ")=\"" + x.getKeyName() + "\"");
      }

      for (int i = 0; i < ki.lengthKeyValue(); i++) {
         KeyValue x = ki.itemKeyValue(i);
         PublicKey pk = x.getPublicKey();

         os.println("KeyValue Nr. " + i);
         os.println(pk);
      }

      for (int i = 0; i < ki.lengthMgmtData(); i++) {
         MgmtData x = ki.itemMgmtData(i);

         os.println("MgmtData(" + i + ")=\"" + x.getMgmtData() + "\"");
      }

      for (int i = 0; i < ki.lengthX509Data(); i++) {
         X509Data x = ki.itemX509Data(i);

         os.println("X509Data(" + i + ")=\"" + (x.containsCertificate()
                                                ? "Certificate "
                                                : "") + (x
                                                   .containsIssuerSerial()
                                                         ? "IssuerSerial "
                                                         : "") + "\"");
      }
   }
}