| /* |
| * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| /* |
| * $Id: DOMCryptoBinary.java,v 1.14 2005/05/12 19:28:29 mullan Exp $ |
| */ |
| package org.jcp.xml.dsig.internal.dom; |
| |
| import java.math.BigInteger; |
| import javax.xml.crypto.*; |
| import javax.xml.crypto.dom.DOMCryptoContext; |
| import javax.xml.crypto.dsig.*; |
| 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 <code>CryptoBinary</code> simple type |
| * as defined in the W3C specification for XML-Signature Syntax and Processing. |
| * The XML Schema Definition is defined as: |
| * |
| * <xmp> |
| * <simpleType name="CryptoBinary"> |
| * <restriction base = "base64Binary"> |
| * </restriction> |
| * </simpleType> |
| * </xmp> |
| * |
| * @author Sean Mullan |
| */ |
| public final class DOMCryptoBinary extends DOMStructure { |
| |
| private final BigInteger bigNum; |
| private final String value; |
| |
| /** |
| * Create a <code>DOMCryptoBinary</code> instance from the specified |
| * <code>BigInteger</code> |
| * |
| * @param bigNum the arbitrary-length integer |
| * @throws NullPointerException if <code>bigNum</code> is <code>null</code> |
| */ |
| 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 <code>DOMCryptoBinary</code> 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 <code>BigInteger</code> that this object contains. |
| * |
| * @return the <code>BigInteger</code> 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)); |
| } |
| } |