| /* |
| * 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 javax.xml.crypto.dsig.dom; |
| |
| import javax.xml.crypto.KeySelector; |
| import javax.xml.crypto.dom.DOMCryptoContext; |
| import javax.xml.crypto.dsig.XMLSignature; |
| import javax.xml.crypto.dsig.XMLSignatureFactory; |
| import javax.xml.crypto.dsig.XMLValidateContext; |
| import java.security.Key; |
| import org.w3c.dom.Node; |
| |
| /** |
| * A DOM-specific {@link XMLValidateContext}. This class contains additional |
| * methods to specify the location in a DOM tree where an {@link XMLSignature} |
| * is to be unmarshalled and validated from. |
| * |
| * <p>Note that the behavior of an unmarshalled <code>XMLSignature</code> |
| * is undefined if the contents of the underlying DOM tree are modified by the |
| * caller after the <code>XMLSignature</code> is created. |
| * |
| * <p>Also, note that <code>DOMValidateContext</code> instances can contain |
| * information and state specific to the XML signature structure it is |
| * used with. The results are unpredictable if a |
| * <code>DOMValidateContext</code> is used with different signature structures |
| * (for example, you should not use the same <code>DOMValidateContext</code> |
| * instance to validate two different {@link XMLSignature} objects). |
| * |
| * @author Sean Mullan |
| * @author JSR 105 Expert Group |
| * @see XMLSignatureFactory#unmarshalXMLSignature(XMLValidateContext) |
| */ |
| public class DOMValidateContext extends DOMCryptoContext |
| implements XMLValidateContext { |
| |
| private Node node; |
| |
| /** |
| * Creates a <code>DOMValidateContext</code> containing the specified key |
| * selector and node. |
| * |
| * @param ks a key selector for finding a validation key |
| * @param node the node |
| * @throws NullPointerException if <code>ks</code> or <code>node</code> is |
| * <code>null</code> |
| */ |
| public DOMValidateContext(KeySelector ks, Node node) { |
| if (ks == null) { |
| throw new NullPointerException("key selector is null"); |
| } |
| if (node == null) { |
| throw new NullPointerException("node is null"); |
| } |
| setKeySelector(ks); |
| this.node = node; |
| } |
| |
| /** |
| * Creates a <code>DOMValidateContext</code> containing the specified key |
| * and node. The validating key will be stored in a |
| * {@link KeySelector#singletonKeySelector singleton KeySelector} that |
| * is returned when the {@link #getKeySelector getKeySelector} |
| * method is called. |
| * |
| * @param validatingKey the validating key |
| * @param node the node |
| * @throws NullPointerException if <code>validatingKey</code> or |
| * <code>node</code> is <code>null</code> |
| */ |
| public DOMValidateContext(Key validatingKey, Node node) { |
| if (validatingKey == null) { |
| throw new NullPointerException("validatingKey is null"); |
| } |
| if (node == null) { |
| throw new NullPointerException("node is null"); |
| } |
| setKeySelector(KeySelector.singletonKeySelector(validatingKey)); |
| this.node = node; |
| } |
| |
| /** |
| * Sets the node. |
| * |
| * @param node the node |
| * @throws NullPointerException if <code>node</code> is <code>null</code> |
| * @see #getNode |
| */ |
| public void setNode(Node node) { |
| if (node == null) { |
| throw new NullPointerException(); |
| } |
| this.node = node; |
| } |
| |
| /** |
| * Returns the node. |
| * |
| * @return the node (never <code>null</code>) |
| * @see #setNode(Node) |
| */ |
| public Node getNode() { |
| return node; |
| } |
| } |