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/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you 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, 2019, Oracle and/or its affiliates. All rights reserved. */ /* * $Id: DOMSignatureProperties.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 SignatureProperties.
/** * DOM-based implementation of SignatureProperties. * */
public final class DOMSignatureProperties extends DOMStructure implements SignatureProperties { private final String id; private final List<SignatureProperty> properties;
Creates a DOMSignatureProperties from the specified parameters.
Params:
  • properties – a list of one or more SignaturePropertys. The list is defensively copied to protect against subsequent modification.
  • id – the Id (may be null)
Throws:
/** * Creates a {@code DOMSignatureProperties} from the specified * parameters. * * @param properties a list of one or more {@link SignatureProperty}s. The * list is defensively copied to protect against subsequent modification. * @param id the Id (may be {@code null}) * @throws ClassCastException if {@code properties} contains any * entries that are not of type {@link SignatureProperty} * @throws IllegalArgumentException if {@code properties} is empty * @throws NullPointerException if {@code properties} */
public DOMSignatureProperties(List<? extends SignatureProperty> properties, String id) { if (properties == null) { throw new NullPointerException("properties cannot be null"); } else if (properties.isEmpty()) { throw new IllegalArgumentException("properties cannot be empty"); } else { this.properties = Collections.unmodifiableList( new ArrayList<>(properties)); for (int i = 0, size = this.properties.size(); i < size; i++) { if (!(this.properties.get(i) instanceof SignatureProperty)) { throw new ClassCastException ("properties["+i+"] is not a valid type"); } } } this.id = id; }
Creates a DOMSignatureProperties from an element.
Params:
  • propsElem – a SignatureProperties element
Throws:
/** * Creates a {@code DOMSignatureProperties} from an element. * * @param propsElem a SignatureProperties element * @throws MarshalException if a marshalling error occurs */
public DOMSignatureProperties(Element propsElem) throws MarshalException { // unmarshal attributes Attr attr = propsElem.getAttributeNodeNS(null, "Id"); if (attr != null) { id = attr.getValue(); propsElem.setIdAttributeNode(attr, true); } else { id = null; } List<SignatureProperty> newProperties = new ArrayList<>(); Node firstChild = propsElem.getFirstChild(); while (firstChild != null) { if (firstChild.getNodeType() == Node.ELEMENT_NODE) { String name = firstChild.getLocalName(); String namespace = firstChild.getNamespaceURI(); if (!"SignatureProperty".equals(name) || !XMLSignature.XMLNS.equals(namespace)) { throw new MarshalException("Invalid element name: " + namespace + ":" + name + ", expected SignatureProperty"); } newProperties.add(new DOMSignatureProperty((Element)firstChild)); } firstChild = firstChild.getNextSibling(); } if (newProperties.isEmpty()) { throw new MarshalException("properties cannot be empty"); } else { this.properties = Collections.unmodifiableList(newProperties); } } public List<SignatureProperty> getProperties() { return properties; } public String getId() { return id; } @Override public void marshal(Node parent, String dsPrefix, DOMCryptoContext context) throws MarshalException { Document ownerDoc = DOMUtils.getOwnerDocument(parent); Element propsElem = DOMUtils.createElement(ownerDoc, "SignatureProperties", XMLSignature.XMLNS, dsPrefix); // set attributes DOMUtils.setAttributeID(propsElem, "Id", id); // create and append any properties for (SignatureProperty property : properties) { ((DOMSignatureProperty)property).marshal(propsElem, dsPrefix, context); } parent.appendChild(propsElem); } @Override public boolean equals(Object o) { if (this == o) { return true; } if (!(o instanceof SignatureProperties)) { return false; } SignatureProperties osp = (SignatureProperties)o; boolean idsEqual = id == null ? osp.getId() == null : id.equals(osp.getId()); return properties.equals(osp.getProperties()) && idsEqual; } @Override public int hashCode() { int result = 17; if (id != null) { result = 31 * result + id.hashCode(); } result = 31 * result + properties.hashCode(); return result; } }