/**
* 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.
*/
/*
* $Id: DOMKeyName.java 1496622 2013-06-25 20:02:54Z mullan $
*/
package org.apache.jcp.xml.dsig.internal.dom;
import javax.xml.crypto.*;
import javax.xml.crypto.dom.DOMCryptoContext;
import javax.xml.crypto.dsig.*;
import javax.xml.crypto.dsig.keyinfo.KeyName;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.Node;
/**
* DOM-based implementation of KeyName.
*
* @author Sean Mullan
*/
public final class DOMKeyName extends DOMStructure implements KeyName {
private final String name;
/**
* Creates a <code>DOMKeyName</code>.
*
* @param name the name of the key identifier
* @throws NullPointerException if <code>name</code> is null
*/
public DOMKeyName(String name) {
if (name == null) {
throw new NullPointerException("name cannot be null");
}
this.name = name;
}
/**
* Creates a <code>DOMKeyName</code> from a KeyName element.
*
* @param knElem a KeyName element
*/
public DOMKeyName(Element knElem) {
name = knElem.getFirstChild().getNodeValue();
}
public String getName() {
return name;
}
public void marshal(Node parent, String dsPrefix, DOMCryptoContext context)
throws MarshalException
{
Document ownerDoc = DOMUtils.getOwnerDocument(parent);
// prepend namespace prefix, if necessary
Element knElem = DOMUtils.createElement(ownerDoc, "KeyName",
XMLSignature.XMLNS, dsPrefix);
knElem.appendChild(ownerDoc.createTextNode(name));
parent.appendChild(knElem);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof KeyName)) {
return false;
}
KeyName okn = (KeyName)obj;
return name.equals(okn.getName());
}
@Override
public int hashCode() {
int result = 17;
result = 31 * result + name.hashCode();
return result;
}
}