| /* |
| * reserved comment block |
| * DO NOT REMOVE OR ALTER! |
| */ |
| /* |
| * 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: DOMSignatureProperty.java,v 1.2 2008/07/24 15:20:32 mullan Exp $ |
| */ |
| package org.jcp.xml.dsig.internal.dom; |
| |
| import javax.xml.crypto.*; |
| import javax.xml.crypto.dom.DOMCryptoContext; |
| import javax.xml.crypto.dsig.*; |
| |
| import java.util.*; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| /** |
| * DOM-based implementation of SignatureProperty. |
| * |
| * @author Sean Mullan |
| */ |
| public final class DOMSignatureProperty extends DOMStructure |
| implements SignatureProperty { |
| |
| private final String id; |
| private final String target; |
| private final List content; |
| |
| /** |
| * Creates a <code>SignatureProperty</code> from the specified parameters. |
| * |
| * @param content a list of one or more {@link XMLStructure}s. The list |
| * is defensively copied to protect against subsequent modification. |
| * @param target the target URI |
| * @param id the Id (may be <code>null</code>) |
| * @return a <code>SignatureProperty</code> |
| * @throws ClassCastException if <code>content</code> contains any |
| * entries that are not of type {@link XMLStructure} |
| * @throws IllegalArgumentException if <code>content</code> is empty |
| * @throws NullPointerException if <code>content</code> or |
| * <code>target</code> is <code>null</code> |
| */ |
| public DOMSignatureProperty(List content, String target, String id) { |
| if (target == null) { |
| throw new NullPointerException("target cannot be null"); |
| } else if (content == null) { |
| throw new NullPointerException("content cannot be null"); |
| } else if (content.isEmpty()) { |
| throw new IllegalArgumentException("content cannot be empty"); |
| } else { |
| List contentCopy = new ArrayList(content); |
| for (int i = 0, size = contentCopy.size(); i < size; i++) { |
| if (!(contentCopy.get(i) instanceof XMLStructure)) { |
| throw new ClassCastException |
| ("content["+i+"] is not a valid type"); |
| } |
| } |
| this.content = Collections.unmodifiableList(contentCopy); |
| } |
| this.target = target; |
| this.id = id; |
| } |
| |
| /** |
| * Creates a <code>DOMSignatureProperty</code> from an element. |
| * |
| * @param propElem a SignatureProperty element |
| */ |
| public DOMSignatureProperty(Element propElem) throws MarshalException { |
| // unmarshal attributes |
| target = DOMUtils.getAttributeValue(propElem, "Target"); |
| if (target == null) { |
| throw new MarshalException("target cannot be null"); |
| } |
| id = DOMUtils.getAttributeValue(propElem, "Id"); |
| |
| NodeList nodes = propElem.getChildNodes(); |
| int length = nodes.getLength(); |
| List content = new ArrayList(length); |
| for (int i = 0; i < length; i++) { |
| content.add(new javax.xml.crypto.dom.DOMStructure(nodes.item(i))); |
| } |
| if (content.isEmpty()) { |
| throw new MarshalException("content cannot be empty"); |
| } else { |
| this.content = Collections.unmodifiableList(content); |
| } |
| } |
| |
| public List getContent() { |
| return content; |
| } |
| |
| public String getId() { |
| return id; |
| } |
| |
| public String getTarget() { |
| return target; |
| } |
| |
| public void marshal(Node parent, String dsPrefix, DOMCryptoContext context) |
| throws MarshalException { |
| Document ownerDoc = DOMUtils.getOwnerDocument(parent); |
| |
| Element propElem = DOMUtils.createElement |
| (ownerDoc, "SignatureProperty", XMLSignature.XMLNS, dsPrefix); |
| |
| // set attributes |
| DOMUtils.setAttributeID(propElem, "Id", id); |
| DOMUtils.setAttribute(propElem, "Target", target); |
| |
| // create and append any elements and mixed content |
| for (int i = 0, size = content.size(); i < size; i++) { |
| javax.xml.crypto.dom.DOMStructure property = |
| (javax.xml.crypto.dom.DOMStructure) content.get(i); |
| DOMUtils.appendChild(propElem, property.getNode()); |
| } |
| |
| parent.appendChild(propElem); |
| } |
| |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| |
| if (!(o instanceof SignatureProperty)) { |
| return false; |
| } |
| SignatureProperty osp = (SignatureProperty) o; |
| |
| boolean idsEqual = (id == null ? osp.getId() == null : |
| id.equals(osp.getId())); |
| |
| return (equalsContent(osp.getContent()) && |
| target.equals(osp.getTarget()) && idsEqual); |
| } |
| |
| private boolean equalsContent(List otherContent) { |
| int osize = otherContent.size(); |
| if (content.size() != osize) { |
| return false; |
| } |
| for (int i = 0; i < osize; i++) { |
| XMLStructure oxs = (XMLStructure) otherContent.get(i); |
| XMLStructure xs = (XMLStructure) content.get(i); |
| if (oxs instanceof javax.xml.crypto.dom.DOMStructure) { |
| if (!(xs instanceof javax.xml.crypto.dom.DOMStructure)) { |
| return false; |
| } |
| Node onode = |
| ((javax.xml.crypto.dom.DOMStructure) oxs).getNode(); |
| Node node = |
| ((javax.xml.crypto.dom.DOMStructure) xs).getNode(); |
| if (!DOMUtils.nodesEqual(node, onode)) { |
| return false; |
| } |
| } else { |
| if (!(xs.equals(oxs))) { |
| return false; |
| } |
| } |
| } |
| |
| return true; |
| } |
| } |