/**
* 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.policy.attachment.reference;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.w3c.dom.NodeList;
import org.xml.sax.InputSource;
import org.apache.cxf.helpers.DOMUtils;
import org.apache.cxf.resource.ExtendedURIResolver;
import org.apache.cxf.ws.policy.PolicyBuilder;
import org.apache.cxf.ws.policy.PolicyConstants;
import org.apache.cxf.ws.policy.PolicyException;
import org.apache.neethi.Policy;
/**
*
*/
public class RemoteReferenceResolver implements ReferenceResolver {
private String baseURI;
private PolicyBuilder builder;
private PolicyConstants constants;
public RemoteReferenceResolver(String uri, PolicyBuilder b, PolicyConstants c) {
baseURI = uri;
builder = b;
constants = c;
}
public Policy resolveReference(String uri) {
int pos = uri.indexOf('#');
String documentURI = uri.substring(0, pos);
InputSource is = new ExtendedURIResolver().resolve(documentURI, baseURI);
if (null == is) {
return null;
}
Document doc = null;
try {
doc = DOMUtils.readXml(is.getByteStream());
} catch (Exception ex) {
throw new PolicyException(ex);
}
NodeList nl = doc.getElementsByTagNameNS(constants.getNamespace(),
constants.getPolicyElemName());
String id = uri.substring(pos + 1);
for (int i = 0; i < nl.getLength(); i++) {
Element elem = (Element)nl.item(i);
if (id.equals(elem.getAttributeNS(constants.getWSUNamespace(),
constants.getIdAttrName()))) {
return builder.getPolicy(elem);
}
}
return null;
}
}