| /* |
| * Copyright 2005 The Apache Software Foundation. |
| * |
| * Licensed 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. |
| */ |
| /* |
| * $Id$ |
| */ |
| package org.jcp.xml.dsig.internal.dom; |
| |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Iterator; |
| import java.util.LinkedHashSet; |
| import java.util.List; |
| import java.util.Set; |
| import javax.xml.crypto.NodeSetData; |
| import org.w3c.dom.Node; |
| import org.apache.xml.security.signature.NodeFilter; |
| import org.apache.xml.security.signature.XMLSignatureInput; |
| import org.apache.xml.security.utils.XMLUtils; |
| |
| public class ApacheNodeSetData implements ApacheData, NodeSetData { |
| |
| private XMLSignatureInput xi; |
| |
| public ApacheNodeSetData(XMLSignatureInput xi) { |
| this.xi = xi; |
| } |
| |
| public Iterator iterator() { |
| // If nodefilters are set, must execute them first to create node-set |
| if (xi.getNodeFilters() != null) { |
| return Collections.unmodifiableSet |
| (getNodeSet(xi.getNodeFilters())).iterator(); |
| } |
| try { |
| return Collections.unmodifiableSet(xi.getNodeSet()).iterator(); |
| } catch (Exception e) { |
| // should not occur |
| throw new RuntimeException |
| ("unrecoverable error retrieving nodeset", e); |
| } |
| } |
| |
| public XMLSignatureInput getXMLSignatureInput() { |
| return xi; |
| } |
| |
| private Set getNodeSet(List nodeFilters) { |
| if (xi.isNeedsToBeExpanded()) { |
| XMLUtils.circumventBug2650 |
| (XMLUtils.getOwnerDocument(xi.getSubNode())); |
| } |
| |
| Set inputSet = new LinkedHashSet(); |
| XMLUtils.getSet |
| (xi.getSubNode(), inputSet, null, !xi.isExcludeComments()); |
| Set nodeSet = new LinkedHashSet(); |
| Iterator i = inputSet.iterator(); |
| while (i.hasNext()) { |
| Node currentNode = (Node) i.next(); |
| Iterator it = nodeFilters.iterator(); |
| boolean skipNode = false; |
| while (it.hasNext() && !skipNode) { |
| NodeFilter nf = (NodeFilter) it.next(); |
| if (!nf.isNodeInclude(currentNode)) { |
| skipNode = true; |
| } |
| } |
| if (!skipNode) { |
| nodeSet.add(currentNode); |
| } |
| } |
| return nodeSet; |
| } |
| } |