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Apache XML Security for Java supports XML-Signature Syntax and Processing, W3C Recommendation 12 February 2002, and XML Encryption Syntax and Processing, W3C Recommendation 10 December 2002. As of version 1.4, the library supports the standard Java API JSR-105: XML Digital Signature APIs.

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/**
 * 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 2005 Sun Microsystems, Inc. All rights reserved.
 */
/*
 * $Id: XSLTTransformParameterSpec.java 1092655 2011-04-15 10:24:18Z coheigea $
 */
package javax.xml.crypto.dsig.spec;

import javax.xml.crypto.dsig.Transform;
import javax.xml.crypto.XMLStructure;

/**
 * Parameters for the 
 * XSLT Transform Algorithm.
 * The parameters include a namespace-qualified stylesheet element.
 *
 * An XSLTTransformParameterSpec is instantiated with a
 * mechanism-dependent (ex: DOM) stylesheet element. For example:
 * 
 *   DOMStructure stylesheet = new DOMStructure(element)
 *   XSLTTransformParameterSpec spec = new XSLTransformParameterSpec(stylesheet);
 * 
 * where element is an {@link org.w3c.dom.Element} containing
 * the namespace-qualified stylesheet element.
 *
 * @author Sean Mullan
 * @author JSR 105 Expert Group
 * @see Transform
 */
public final class XSLTTransformParameterSpec implements TransformParameterSpec{
    private XMLStructure stylesheet;

    /**
     * Creates an XSLTTransformParameterSpec with the specified 
     * stylesheet.
     *
     * @param stylesheet the XSLT stylesheet to be used
     * @throws NullPointerException if stylesheet is 
     *    null
     */
    public XSLTTransformParameterSpec(XMLStructure stylesheet) {
        if (stylesheet == null) {
            throw new NullPointerException();
        }
        this.stylesheet = stylesheet;
    }

    /**
     * Returns the stylesheet.
     *
     * @return the stylesheet
     */
    public XMLStructure getStylesheet() {
        return stylesheet;
    }
}