| /* |
| * 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 (c) 2005, 2008, Oracle and/or its affiliates. All rights reserved. |
| */ |
| /* |
| * $Id: DOMXMLObject.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.security.Provider; |
| import java.util.*; |
| import org.w3c.dom.Attr; |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| /** |
| * DOM-based implementation of XMLObject. |
| * |
| * @author Sean Mullan |
| */ |
| public final class DOMXMLObject extends DOMStructure implements XMLObject { |
| |
| private final String id; |
| private final String mimeType; |
| private final String encoding; |
| private final List content; |
| |
| /** |
| * Creates an <code>XMLObject</code> from the specified parameters. |
| * |
| * @param content a list of {@link XMLStructure}s. The list |
| * is defensively copied to protect against subsequent modification. |
| * May be <code>null</code> or empty. |
| * @param id the Id (may be <code>null</code>) |
| * @param mimeType the mime type (may be <code>null</code>) |
| * @param encoding the encoding (may be <code>null</code>) |
| * @return an <code>XMLObject</code> |
| * @throws ClassCastException if <code>content</code> contains any |
| * entries that are not of type {@link XMLStructure} |
| */ |
| public DOMXMLObject(List content, String id, String mimeType, |
| String encoding) { |
| if (content == null || content.isEmpty()) { |
| this.content = Collections.EMPTY_LIST; |
| } 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.id = id; |
| this.mimeType = mimeType; |
| this.encoding = encoding; |
| } |
| |
| /** |
| * Creates an <code>XMLObject</code> from an element. |
| * |
| * @param objElem an Object element |
| * @throws MarshalException if there is an error when unmarshalling |
| */ |
| public DOMXMLObject(Element objElem, XMLCryptoContext context, |
| Provider provider) throws MarshalException { |
| // unmarshal attributes |
| this.encoding = DOMUtils.getAttributeValue(objElem, "Encoding"); |
| |
| Attr attr = objElem.getAttributeNodeNS(null, "Id"); |
| if (attr != null) { |
| this.id = attr.getValue(); |
| objElem.setIdAttributeNode(attr, true); |
| } else { |
| this.id = null; |
| } |
| this.mimeType = DOMUtils.getAttributeValue(objElem, "MimeType"); |
| |
| NodeList nodes = objElem.getChildNodes(); |
| int length = nodes.getLength(); |
| List content = new ArrayList(length); |
| for (int i = 0; i < length; i++) { |
| Node child = nodes.item(i); |
| if (child.getNodeType() == Node.ELEMENT_NODE) { |
| Element childElem = (Element) child; |
| String tag = childElem.getLocalName(); |
| if (tag.equals("Manifest")) { |
| content.add(new DOMManifest(childElem, context, provider)); |
| continue; |
| } else if (tag.equals("SignatureProperties")) { |
| content.add(new DOMSignatureProperties(childElem)); |
| continue; |
| } else if (tag.equals("X509Data")) { |
| content.add(new DOMX509Data(childElem)); |
| continue; |
| } |
| //@@@FIXME: check for other dsig structures |
| } |
| content.add(new javax.xml.crypto.dom.DOMStructure(child)); |
| } |
| if (content.isEmpty()) { |
| this.content = Collections.EMPTY_LIST; |
| } else { |
| this.content = Collections.unmodifiableList(content); |
| } |
| } |
| |
| public List getContent() { |
| return content; |
| } |
| |
| public String getId() { |
| return id; |
| } |
| |
| public String getMimeType() { |
| return mimeType; |
| } |
| |
| public String getEncoding() { |
| return encoding; |
| } |
| |
| public void marshal(Node parent, String dsPrefix, DOMCryptoContext context) |
| throws MarshalException { |
| Document ownerDoc = DOMUtils.getOwnerDocument(parent); |
| |
| Element objElem = DOMUtils.createElement |
| (ownerDoc, "Object", XMLSignature.XMLNS, dsPrefix); |
| |
| // set attributes |
| DOMUtils.setAttributeID(objElem, "Id", id); |
| DOMUtils.setAttribute(objElem, "MimeType", mimeType); |
| DOMUtils.setAttribute(objElem, "Encoding", encoding); |
| |
| // create and append any elements and mixed content, if necessary |
| for (int i = 0, size = content.size(); i < size; i++) { |
| XMLStructure object = (XMLStructure) content.get(i); |
| if (object instanceof DOMStructure) { |
| ((DOMStructure) object).marshal(objElem, dsPrefix, context); |
| } else { |
| javax.xml.crypto.dom.DOMStructure domObject = |
| (javax.xml.crypto.dom.DOMStructure) object; |
| DOMUtils.appendChild(objElem, domObject.getNode()); |
| } |
| } |
| |
| parent.appendChild(objElem); |
| } |
| |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| |
| if (!(o instanceof XMLObject)) { |
| return false; |
| } |
| XMLObject oxo = (XMLObject) o; |
| |
| boolean idsEqual = (id == null ? oxo.getId() == null : |
| id.equals(oxo.getId())); |
| boolean encodingsEqual = (encoding == null ? oxo.getEncoding() == null : |
| encoding.equals(oxo.getEncoding())); |
| boolean mimeTypesEqual = (mimeType == null ? oxo.getMimeType() == null : |
| mimeType.equals(oxo.getMimeType())); |
| |
| return (idsEqual && encodingsEqual && mimeTypesEqual && |
| equalsContent(oxo.getContent())); |
| } |
| |
| private boolean equalsContent(List otherContent) { |
| if (content.size() != otherContent.size()) { |
| return false; |
| } |
| for (int i = 0, osize = otherContent.size(); 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; |
| } |
| } |