| /** |
| * 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 2005 Sun Microsystems, Inc. All rights reserved. |
| */ |
| package org.apache.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. |
| * |
| */ |
| public final class DOMSignatureProperty extends DOMStructure |
| implements SignatureProperty { |
| |
| private final String id; |
| private final String target; |
| private final List<XMLStructure> content; |
| |
| /** |
| * Creates a <code>SignatureProperty</code> 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</code>) |
| * @throws ClassCastException if <code>content</code> contains any |
| * entries that are not of type {@link XMLStructure} |
| * @throws IllegalArgumentException if <code>content</code> is empty |
| * @throws NullPointerException if <code>content</code> or |
| * <code>target</code> is <code>null</code> |
| */ |
| 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 <code>DOMSignatureProperty</code> 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; |
| } |
| } |