diff -r fd16c54261b3 -r 90ce3da70b43 jdk/src/share/classes/org/jcp/xml/dsig/internal/dom/DOMTransform.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/org/jcp/xml/dsig/internal/dom/DOMTransform.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,190 @@
+/*
+ * 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: DOMTransform.java,v 1.25 2005/05/10 18:15:34 mullan Exp $
+ */
+package org.jcp.xml.dsig.internal.dom;
+
+import java.io.OutputStream;
+import java.security.InvalidAlgorithmParameterException;
+import java.security.NoSuchAlgorithmException;
+import java.security.spec.AlgorithmParameterSpec;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import javax.xml.crypto.*;
+import javax.xml.crypto.dsig.*;
+import javax.xml.crypto.dom.DOMCryptoContext;
+import javax.xml.crypto.dsig.dom.DOMSignContext;
+import javax.xml.crypto.dsig.spec.TransformParameterSpec;
+
+/**
+ * DOM-based abstract implementation of Transform.
+ *
+ * @author Sean Mullan
+ */
+public class DOMTransform extends DOMStructure implements Transform {
+
+    protected TransformService spi;
+
+    /**
+     * Creates a <code>DOMTransform</code>.
+     *
+     * @param spi the TransformService
+     */
+    public DOMTransform(TransformService spi) {
+        this.spi = spi;
+    }
+
+    /**
+     * Creates a <code>DOMTransform</code> from an element. This constructor
+     * invokes the abstract {@link #unmarshalParams unmarshalParams} method to
+     * unmarshal any algorithm-specific input parameters.
+     *
+     * @param transElem a Transform element
+     */
+    public DOMTransform(Element transElem, XMLCryptoContext context)
+        throws MarshalException {
+        Document ownerDoc = transElem.getOwnerDocument();
+        String algorithm = DOMUtils.getAttributeValue(transElem, "Algorithm");
+        try {
+            spi = TransformService.getInstance(algorithm, "DOM");
+        } catch (NoSuchAlgorithmException e) {
+            throw new MarshalException(e);
+        }
+        try {
+            spi.init(new javax.xml.crypto.dom.DOMStructure(transElem), context);
+        } catch (InvalidAlgorithmParameterException iape) {
+            throw new MarshalException(iape);
+        }
+    }
+
+    public final AlgorithmParameterSpec getParameterSpec() {
+        return spi.getParameterSpec();
+    }
+
+    public final String getAlgorithm() {
+        return spi.getAlgorithm();
+    }
+
+    /**
+     * This method invokes the abstract {@link #marshalParams marshalParams}
+     * method to marshal any algorithm-specific parameters.
+     */
+    public void marshal(Node parent, String dsPrefix, DOMCryptoContext context)
+        throws MarshalException {
+        Document ownerDoc = DOMUtils.getOwnerDocument(parent);
+
+        Element transformElem = null;
+        if (parent.getLocalName().equals("Transforms")) {
+            transformElem = DOMUtils.createElement
+                (ownerDoc, "Transform", XMLSignature.XMLNS, dsPrefix);
+        } else {
+            transformElem = DOMUtils.createElement
+            (ownerDoc, "CanonicalizationMethod", XMLSignature.XMLNS, dsPrefix);
+        }
+        DOMUtils.setAttribute(transformElem, "Algorithm", getAlgorithm());
+
+        spi.marshalParams
+            (new javax.xml.crypto.dom.DOMStructure(transformElem), context);
+
+        parent.appendChild(transformElem);
+    }
+
+    /**
+     * Transforms the specified data using the underlying transform algorithm.
+     *
+     * @param data the data to be transformed
+     * @param sc the <code>XMLCryptoContext</code> containing
+     *    additional context (may be <code>null</code> if not applicable)
+     * @return the transformed data
+     * @throws NullPointerException if <code>data</code> is <code>null</code>
+     * @throws XMLSignatureException if an unexpected error occurs while
+     *    executing the transform
+     */
+    public Data transform(Data data, XMLCryptoContext xc)
+        throws TransformException {
+        return spi.transform(data, xc);
+    }
+
+    /**
+     * Transforms the specified data using the underlying transform algorithm.
+     *
+     * @param data the data to be transformed
+     * @param sc the <code>XMLCryptoContext</code> containing
+     *    additional context (may be <code>null</code> if not applicable)
+     * @param os the <code>OutputStream</code> that should be used to write
+     *    the transformed data to
+     * @return the transformed data
+     * @throws NullPointerException if <code>data</code> is <code>null</code>
+     * @throws XMLSignatureException if an unexpected error occurs while
+     *    executing the transform
+     */
+    public Data transform(Data data, XMLCryptoContext xc, OutputStream os)
+        throws TransformException {
+        return spi.transform(data, xc, os);
+    }
+
+    public boolean equals(Object o) {
+        if (this == o) {
+            return true;
+        }
+
+        if (!(o instanceof Transform)) {
+            return false;
+        }
+        Transform otransform = (Transform) o;
+
+        return (getAlgorithm().equals(otransform.getAlgorithm()) &&
+            DOMUtils.paramsEqual
+                (getParameterSpec(), otransform.getParameterSpec()));
+    }
+
+    /**
+     * Transforms the specified data using the underlying transform algorithm.
+     * This method invokes the {@link #marshal marshal} method and passes it
+     * the specified <code>DOMSignContext</code> before transforming the data.
+     *
+     * @param data the data to be transformed
+     * @param sc the <code>XMLCryptoContext</code> containing
+     *    additional context (may be <code>null</code> if not applicable)
+     * @param context the marshalling context
+     * @return the transformed data
+     * @throws MarshalException if an exception occurs while marshalling
+     * @throws NullPointerException if <code>data</code> or <code>context</code>
+     *    is <code>null</code>
+     * @throws XMLSignatureException if an unexpected error occurs while
+     *    executing the transform
+     */
+    Data transform(Data data, XMLCryptoContext xc, DOMSignContext context)
+        throws MarshalException, TransformException {
+        marshal(context.getParent(),
+            DOMUtils.getSignaturePrefix(context), context);
+        return transform(data, xc);
+    }
+}