1 /*

     2  * Copyright 2005 Sun Microsystems, Inc.  All Rights Reserved.

     3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

     4  *

     5  * This code is free software; you can redistribute it and/or modify it

     6  * under the terms of the GNU General Public License version 2 only, as

     7  * published by the Free Software Foundation.  Sun designates this

     8  * particular file as subject to the "Classpath" exception as provided

     9  * by Sun in the LICENSE file that accompanied this code.

    10  *

    11  * This code is distributed in the hope that it will be useful, but WITHOUT

    12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

    13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

    14  * version 2 for more details (a copy is included in the LICENSE file that

    15  * accompanied this code).

    16  *

    17  * You should have received a copy of the GNU General Public License version

    18  * 2 along with this work; if not, write to the Free Software Foundation,

    19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

    20  *

    21  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

    22  * CA 95054 USA or visit www.sun.com if you need additional information or

    23  * have any questions.

    24  */

    25 /*

    26  * $Id: DOMXSLTTransform.java,v 1.15 2005/05/10 18:15:36 mullan Exp $

    27  */

    28 package org.jcp.xml.dsig.internal.dom;

    29 

    30 import java.security.InvalidAlgorithmParameterException;

    31 import org.w3c.dom.Element;

    32 import org.w3c.dom.Node;

    33 

    34 import javax.xml.crypto.*;

    35 import javax.xml.crypto.dsig.*;

    36 import javax.xml.crypto.dsig.spec.TransformParameterSpec;

    37 import javax.xml.crypto.dsig.spec.XSLTTransformParameterSpec;

    38 

    39 /**

    40  * DOM-based implementation of XSLT Transform.

    41  * (Uses Apache XML-Sec Transform implementation)

    42  *

    43  * @author Sean Mullan

    44  */

    45 public final class DOMXSLTTransform extends ApacheTransform {

    46 

    47     public void init(TransformParameterSpec params)

    48         throws InvalidAlgorithmParameterException {

    49         if (params == null) {

    50             throw new InvalidAlgorithmParameterException("params are required");

    51         }

    52         if (!(params instanceof XSLTTransformParameterSpec)) {

    53             throw new InvalidAlgorithmParameterException("unrecognized params");

    54         }

    55         this.params = params;

    56     }

    57 

    58     public void init(XMLStructure parent, XMLCryptoContext context)

    59         throws InvalidAlgorithmParameterException {

    60 

    61         super.init(parent, context);

    62         unmarshalParams(DOMUtils.getFirstChildElement(transformElem));

    63     }

    64 

    65     private void unmarshalParams(Element sheet) {

    66         this.params = new XSLTTransformParameterSpec

    67             (new javax.xml.crypto.dom.DOMStructure(sheet));

    68     }

    69 

    70     public void marshalParams(XMLStructure parent, XMLCryptoContext context)

    71         throws MarshalException {

    72         super.marshalParams(parent, context);

    73         XSLTTransformParameterSpec xp =

    74             (XSLTTransformParameterSpec) getParameterSpec();

    75         Node xsltElem =

    76             ((javax.xml.crypto.dom.DOMStructure) xp.getStylesheet()).getNode();

    77         DOMUtils.appendChild(transformElem, xsltElem);

    78     }

    79 }