/**
* 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.
*/
package org.apache.cxf.ws.security.policy.builders;
import javax.xml.namespace.QName;
import org.w3c.dom.Attr;
import org.w3c.dom.Element;
import org.w3c.dom.NamedNodeMap;
import org.w3c.dom.Node;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.ws.security.policy.SP11Constants;
import org.apache.cxf.ws.security.policy.SP12Constants;
import org.apache.cxf.ws.security.policy.SPConstants;
import org.apache.cxf.ws.security.policy.model.SignedEncryptedElements;
import org.apache.neethi.Assertion;
import org.apache.neethi.AssertionBuilderFactory;
import org.apache.neethi.builders.AssertionBuilder;
public class SignedElementsBuilder implements AssertionBuilder<Element> {
private static final QName KNOWN_ELEMENTS[]
= {SP11Constants.SIGNED_ELEMENTS, SP12Constants.SIGNED_ELEMENTS};
public QName[] getKnownElements() {
return KNOWN_ELEMENTS;
}
public Assertion build(Element element, AssertionBuilderFactory factory)
throws IllegalArgumentException {
SPConstants consts = SP11Constants.SP_NS.equals(element.getNamespaceURI())
? SP11Constants.INSTANCE : SP12Constants.INSTANCE;
SignedEncryptedElements signedEncryptedElements = new SignedEncryptedElements(true,
consts);
String attribute = element.getAttributeNS(consts.getNamespace(), SPConstants.XPATH_VERSION);
if (attribute != null) {
signedEncryptedElements.setXPathVersion(attribute);
}
Node nd = element.getFirstChild();
while (nd != null) {
if (nd instanceof Element) {
processElement((Element)nd, signedEncryptedElements);
}
nd = nd.getNextSibling();
}
return signedEncryptedElements;
}
private void processElement(Element element, SignedEncryptedElements parent) {
if (SPConstants.XPATH_EXPR.equals(element.getLocalName())) {
parent.addXPathExpression(DOMUtils.getRawContent(element));
addNamespaces(element, parent);
}
}
private void addNamespaces(Node element, SignedEncryptedElements parent) {
if (element.getParentNode() != null) {
addNamespaces(element.getParentNode(), parent);
}
if (element instanceof Element) {
Element el = (Element)element;
NamedNodeMap map = el.getAttributes();
for (int x = 0; x < map.getLength(); x++) {
Attr attr = (Attr)map.item(x);
if ("xmlns".equals(attr.getPrefix())) {
parent.addDeclaredNamespaces(attr.getValue(), attr.getLocalName());
}
}
}
}
}