| /* |
| * Copyright (c) 2005, Oracle and/or its affiliates. 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| /* |
| * $Id: XPathFilter2ParameterSpec.java,v 1.7 2005/05/13 18:45:42 mullan Exp $ |
| */ |
| package javax.xml.crypto.dsig.spec; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import javax.xml.crypto.dsig.Transform; |
| |
| /** |
| * Parameters for the W3C Recommendation |
| * <a href="http://www.w3.org/TR/xmldsig-filter2/"> |
| * XPath Filter 2.0 Transform Algorithm</a>. |
| * The parameters include a list of one or more {@link XPathType} objects. |
| * |
| * @author Sean Mullan |
| * @author JSR 105 Expert Group |
| * @since 1.6 |
| * @see Transform |
| * @see XPathFilterParameterSpec |
| */ |
| public final class XPathFilter2ParameterSpec implements TransformParameterSpec { |
| |
| private final List xPathList; |
| |
| /** |
| * Creates an <code>XPathFilter2ParameterSpec</code>. |
| * |
| * @param xPathList a list of one or more {@link XPathType} objects. The |
| * list is defensively copied to protect against subsequent modification. |
| * @throws ClassCastException if <code>xPathList</code> contains any |
| * entries that are not of type {@link XPathType} |
| * @throws IllegalArgumentException if <code>xPathList</code> is empty |
| * @throws NullPointerException if <code>xPathList</code> is |
| * <code>null</code> |
| */ |
| public XPathFilter2ParameterSpec(List xPathList) { |
| if (xPathList == null) { |
| throw new NullPointerException("xPathList cannot be null"); |
| } |
| List xPathListCopy = new ArrayList(xPathList); |
| if (xPathListCopy.isEmpty()) { |
| throw new IllegalArgumentException("xPathList cannot be empty"); |
| } |
| int size = xPathListCopy.size(); |
| for (int i = 0; i < size; i++) { |
| if (!(xPathListCopy.get(i) instanceof XPathType)) { |
| throw new ClassCastException |
| ("xPathList["+i+"] is not a valid type"); |
| } |
| } |
| this.xPathList = Collections.unmodifiableList(xPathListCopy); |
| } |
| |
| /** |
| * Returns a list of one or more {@link XPathType} objects. |
| * <p> |
| * This implementation returns an {@link Collections#unmodifiableList |
| * unmodifiable list}. |
| * |
| * @return a <code>List</code> of <code>XPathType</code> objects |
| * (never <code>null</code> or empty) |
| */ |
| public List getXPathList() { |
| return xPathList; |
| } |
| } |