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/* * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved. */ /* * $Id: DOMSignatureProperty.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.util.*; import org.w3c.dom.Attr; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node;
DOM-based implementation of SignatureProperty.
/** * DOM-based implementation of SignatureProperty. * */
public final class DOMSignatureProperty extends DOMStructure implements SignatureProperty { private final String id; private final String target; private final List<XMLStructure> content;
Creates a SignatureProperty from the specified parameters.
Params:
  • content – a list of one or more XMLStructures. The list is defensively copied to protect against subsequent modification.
  • target – the target URI
  • id – the Id (may be null)
Throws:
/** * Creates a {@code SignatureProperty} 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}) * @throws ClassCastException if {@code content} contains any * entries that are not of type {@link XMLStructure} * @throws IllegalArgumentException if {@code content} is empty * @throws NullPointerException if {@code content} or * {@code target} is {@code null} */
public DOMSignatureProperty(List<? extends XMLStructure> 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 { this.content = Collections.unmodifiableList( new ArrayList<>(content)); for (int i = 0, size = this.content.size(); i < size; i++) { if (!(this.content.get(i) instanceof XMLStructure)) { throw new ClassCastException ("content["+i+"] is not a valid type"); } } } this.target = target; this.id = id; }
Creates a DOMSignatureProperty from an element.
Params:
  • propElem – a SignatureProperty element
/** * Creates a {@code DOMSignatureProperty} 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"); } Attr attr = propElem.getAttributeNodeNS(null, "Id"); if (attr != null) { id = attr.getValue(); propElem.setIdAttributeNode(attr, true); } else { id = null; } List<XMLStructure> newContent = new ArrayList<>(); Node firstChild = propElem.getFirstChild(); while (firstChild != null) { newContent.add(new javax.xml.crypto.dom.DOMStructure(firstChild)); firstChild = firstChild.getNextSibling(); } if (newContent.isEmpty()) { throw new MarshalException("content cannot be empty"); } else { this.content = Collections.unmodifiableList(newContent); } } public List<XMLStructure> getContent() { return content; } public String getId() { return id; } public String getTarget() { return target; } @Override 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 (XMLStructure property : content) { DOMUtils.appendChild(propElem, ((javax.xml.crypto.dom.DOMStructure)property).getNode()); } parent.appendChild(propElem); } @Override 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()); @SuppressWarnings("unchecked") List<XMLStructure> ospContent = osp.getContent(); return equalsContent(ospContent) && target.equals(osp.getTarget()) && idsEqual; } @Override public int hashCode() { int result = 17; if (id != null) { result = 31 * result + id.hashCode(); } result = 31 * result + target.hashCode(); result = 31 * result + content.hashCode(); return result; } private boolean equalsContent(List<XMLStructure> otherContent) { int osize = otherContent.size(); if (content.size() != osize) { return false; } for (int i = 0; i < osize; i++) { XMLStructure oxs = otherContent.get(i); XMLStructure xs = 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; } }