| /* |
| * 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 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; |
| |
| /** |
| * DOM-based implementation of Manifest. |
| * |
| * @author Sean Mullan |
| */ |
| public final class DOMManifest extends DOMStructure implements Manifest { |
| |
| private final List references; |
| private final String id; |
| |
| /** |
| * Creates a <code>DOMManifest</code> containing the specified |
| * list of {@link Reference}s and optional id. |
| * |
| * @param references a list of one or more <code>Reference</code>s. The list |
| * is defensively copied to protect against subsequent modification. |
| * @param id the id (may be <code>null</code> |
| * @throws NullPointerException if <code>references</code> is |
| * <code>null</code> |
| * @throws IllegalArgumentException if <code>references</code> is empty |
| * @throws ClassCastException if <code>references</code> contains any |
| * entries that are not of type {@link Reference} |
| */ |
| public DOMManifest(List references, String id) { |
| if (references == null) { |
| throw new NullPointerException("references cannot be null"); |
| } |
| List refCopy = new ArrayList(references); |
| if (refCopy.isEmpty()) { |
| throw new IllegalArgumentException("list of references must " + |
| "contain at least one entry"); |
| } |
| for (int i = 0, size = refCopy.size(); i < size; i++) { |
| if (!(refCopy.get(i) instanceof Reference)) { |
| throw new ClassCastException |
| ("references["+i+"] is not a valid type"); |
| } |
| } |
| this.references = Collections.unmodifiableList(refCopy); |
| this.id = id; |
| } |
| |
| /** |
| * Creates a <code>DOMManifest</code> from an element. |
| * |
| * @param manElem a Manifest element |
| */ |
| public DOMManifest(Element manElem, XMLCryptoContext context) |
| throws MarshalException { |
| this.id = DOMUtils.getAttributeValue(manElem, "Id"); |
| Element refElem = DOMUtils.getFirstChildElement(manElem); |
| List refs = new ArrayList(); |
| while (refElem != null) { |
| refs.add(new DOMReference(refElem, context)); |
| refElem = DOMUtils.getNextSiblingElement(refElem); |
| } |
| this.references = Collections.unmodifiableList(refs); |
| } |
| |
| public String getId() { |
| return id; |
| } |
| |
| public List getReferences() { |
| return references; |
| } |
| |
| public void marshal(Node parent, String dsPrefix, DOMCryptoContext context) |
| throws MarshalException { |
| Document ownerDoc = DOMUtils.getOwnerDocument(parent); |
| |
| Element manElem = DOMUtils.createElement |
| (ownerDoc, "Manifest", XMLSignature.XMLNS, dsPrefix); |
| |
| DOMUtils.setAttributeID(manElem, "Id", id); |
| |
| // add references |
| for (int i = 0, size = references.size(); i < size; i++) { |
| DOMReference ref = (DOMReference) references.get(i); |
| ref.marshal(manElem, dsPrefix, context); |
| } |
| parent.appendChild(manElem); |
| } |
| |
| public boolean equals(Object o) { |
| if (this == o) { |
| return true; |
| } |
| |
| if (!(o instanceof Manifest)) { |
| return false; |
| } |
| Manifest oman = (Manifest) o; |
| |
| boolean idsEqual = (id == null ? oman.getId() == null : |
| id.equals(oman.getId())); |
| |
| return (idsEqual && references.equals(oman.getReferences())); |
| } |
| } |