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/* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. */ /* * $Id: DOMKeyInfoFactory.java,v 1.24 2005/09/23 20:18:50 mullan Exp $ */ package org.jcp.xml.dsig.internal.dom; import java.math.BigInteger; import java.security.*; import java.util.List; import javax.xml.crypto.*; import javax.xml.crypto.dsig.*; import javax.xml.crypto.dom.*; import javax.xml.crypto.dsig.keyinfo.*; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.w3c.dom.Node; /** * DOM-based implementation of KeyInfoFactory. * * @author Sean Mullan */ public final class DOMKeyInfoFactory extends KeyInfoFactory { public DOMKeyInfoFactory() { } public KeyInfo newKeyInfo(List content) { return newKeyInfo(content, null); } public KeyInfo newKeyInfo(List content, String id) { return new DOMKeyInfo(content, id); } public KeyName newKeyName(String name) { return new DOMKeyName(name); } public KeyValue newKeyValue(PublicKey key) throws KeyException { return new DOMKeyValue(key); } public PGPData newPGPData(byte[] keyId) { return newPGPData(keyId, null, null); } public PGPData newPGPData(byte[] keyId, byte[] keyPacket, List other) { return new DOMPGPData(keyId, keyPacket, other); } public PGPData newPGPData(byte[] keyPacket, List other) { return new DOMPGPData(keyPacket, other); } public RetrievalMethod newRetrievalMethod(String uri) { return newRetrievalMethod(uri, null, null); } public RetrievalMethod newRetrievalMethod(String uri, String type, List transforms) { if (uri == null) { throw new NullPointerException("uri must not be null"); } return new DOMRetrievalMethod(uri, type, transforms); } public X509Data newX509Data(List content) { return new DOMX509Data(content); } public X509IssuerSerial newX509IssuerSerial(String issuerName, BigInteger serialNumber) { return new DOMX509IssuerSerial(issuerName, serialNumber); } public boolean isFeatureSupported(String feature) { if (feature == null) { throw new NullPointerException(); } else { return false; } } public URIDereferencer getURIDereferencer() { return DOMURIDereferencer.INSTANCE; } public KeyInfo unmarshalKeyInfo(XMLStructure xmlStructure) throws MarshalException { if (xmlStructure == null) { throw new NullPointerException("xmlStructure cannot be null"); } Node node = ((javax.xml.crypto.dom.DOMStructure) xmlStructure).getNode(); node.normalize(); Element element = null; if (node.getNodeType() == Node.DOCUMENT_NODE) { element = ((Document) node).getDocumentElement(); } else if (node.getNodeType() == Node.ELEMENT_NODE) { element = (Element) node; } else { throw new MarshalException ("xmlStructure does not contain a proper Node"); } // check tag String tag = element.getLocalName(); if (tag == null) { throw new MarshalException("Document implementation must " + "support DOM Level 2 and be namespace aware"); } if (tag.equals("KeyInfo")) { return new DOMKeyInfo(element, null); } else { throw new MarshalException("invalid KeyInfo tag: " + tag); } } }