/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/**
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/*
* Copyright (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved.
*/
/*
* $Id: DOMCryptoBinary.java 1197150 2011-11-03 14:34:57Z coheigea $
*/
package org.jcp.xml.dsig.internal.dom;
import java.math.BigInteger;
import javax.xml.crypto.*;
import javax.xml.crypto.dom.DOMCryptoContext;
import org.w3c.dom.Node;
import org.w3c.dom.Text;
import com.sun.org.apache.xml.internal.security.utils.Base64;
/**
* A DOM-based representation of the XML CryptoBinary
simple type
* as defined in the W3C specification for XML-Signature Syntax and Processing.
* The XML Schema Definition is defined as:
*
*
DOMCryptoBinary
instance from the specified
* BigInteger
*
* @param bigNum the arbitrary-length integer
* @throws NullPointerException if bigNum
is null
*/
public DOMCryptoBinary(BigInteger bigNum) {
if (bigNum == null) {
throw new NullPointerException("bigNum is null");
}
this.bigNum = bigNum;
// convert to bitstring
value = Base64.encode(bigNum);
}
/**
* Creates a DOMCryptoBinary
from a node.
*
* @param cbNode a CryptoBinary text node
* @throws MarshalException if value cannot be decoded (invalid format)
*/
public DOMCryptoBinary(Node cbNode) throws MarshalException {
value = cbNode.getNodeValue();
try {
bigNum = Base64.decodeBigIntegerFromText((Text) cbNode);
} catch (Exception ex) {
throw new MarshalException(ex);
}
}
/**
* Returns the BigInteger
that this object contains.
*
* @return the BigInteger
that this object contains
*/
public BigInteger getBigNum() {
return bigNum;
}
public void marshal(Node parent, String prefix, DOMCryptoContext context)
throws MarshalException {
parent.appendChild
(DOMUtils.getOwnerDocument(parent).createTextNode(value));
}
}