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/* * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved. */ /* * $Id: DOMManifest.java 1854026 2019-02-21 09:30:01Z coheigea $ */ 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.Document; import org.w3c.dom.Element; import org.w3c.dom.Node;
DOM-based implementation of Manifest.
/** * DOM-based implementation of Manifest. * */
public final class DOMManifest extends DOMStructure implements Manifest { private final List<Reference> references; private final String id;
Creates a DOMManifest containing the specified list of References and optional id.
Params:
  • references – a list of one or more References. The list is defensively copied to protect against subsequent modification.
  • id – the id (may be null
Throws:
/** * Creates a {@code DOMManifest} containing the specified * list of {@link Reference}s and optional id. * * @param references a list of one or more {@code Reference}s. The list * is defensively copied to protect against subsequent modification. * @param id the id (may be {@code null} * @throws NullPointerException if {@code references} is * {@code null} * @throws IllegalArgumentException if {@code references} is empty * @throws ClassCastException if {@code references} contains any * entries that are not of type {@link Reference} */
public DOMManifest(List<? extends Reference> references, String id) { if (references == null) { throw new NullPointerException("references cannot be null"); } this.references = Collections.unmodifiableList(new ArrayList<>(references)); if (this.references.isEmpty()) { throw new IllegalArgumentException("list of references must " + "contain at least one entry"); } for (int i = 0, size = this.references.size(); i < size; i++) { if (!(this.references.get(i) instanceof Reference)) { throw new ClassCastException ("references["+i+"] is not a valid type"); } } this.id = id; }
Creates a DOMManifest from an element.
Params:
  • manElem – a Manifest element
/** * Creates a {@code DOMManifest} from an element. * * @param manElem a Manifest element */
public DOMManifest(Element manElem, XMLCryptoContext context, Provider provider) throws MarshalException { this.id = DOMUtils.getIdAttributeValue(manElem, "Id"); boolean secVal = Utils.secureValidation(context); Element refElem = DOMUtils.getFirstChildElement(manElem, "Reference", XMLSignature.XMLNS); List<Reference> refs = new ArrayList<>(); refs.add(new DOMReference(refElem, context, provider)); refElem = DOMUtils.getNextSiblingElement(refElem); while (refElem != null) { String localName = refElem.getLocalName(); String namespace = refElem.getNamespaceURI(); if (!"Reference".equals(localName) || !XMLSignature.XMLNS.equals(namespace)) { throw new MarshalException("Invalid element name: " + namespace + ":" + localName + ", expected Reference"); } refs.add(new DOMReference(refElem, context, provider)); if (secVal && Policy.restrictNumReferences(refs.size())) { String error = "A maxiumum of " + Policy.maxReferences() + " references per Manifest are allowed when" + " secure validation is enabled"; throw new MarshalException(error); } refElem = DOMUtils.getNextSiblingElement(refElem); } this.references = Collections.unmodifiableList(refs); } public String getId() { return id; } @SuppressWarnings("unchecked") public static List<Reference> getManifestReferences(Manifest mf) { return mf.getReferences(); } @Override public List<Reference> getReferences() { return references; } @Override 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 (Reference ref : references) { ((DOMReference)ref).marshal(manElem, dsPrefix, context); } parent.appendChild(manElem); } @Override 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()); } @Override public int hashCode() { int result = 17; if (id != null) { result = 31 * result + id.hashCode(); } result = 31 * result + references.hashCode(); return result; } }