/*
* 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.synapse.config.xml;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMNamespace;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.SynapseException;
import org.apache.synapse.util.xpath.SynapseXPath;
/**
*
*/
public class SynapseXPathSerializer {
private static final Log log = LogFactory.getLog(SynapseXPathSerializer.class);
public static OMElement serializeXPath(SynapseXPath xpath, OMElement elem, String attribName) {
OMNamespace nullNS = elem.getOMFactory()
.createOMNamespace(XMLConfigConstants.NULL_NAMESPACE, "");
if (xpath != null) {
elem.addAttribute(elem.getOMFactory().createOMAttribute(
attribName, nullNS, xpath.toString()));
serializeNamespaces(elem, xpath);
} else {
handleException("Couldn't find the xpath in the SynapseXPath");
}
return elem;
}
private static void serializeNamespaces(OMElement elem, SynapseXPath xpath) {
for (Object o : xpath.getNamespaces().keySet()) {
String prefix = (String) o;
String uri = xpath.getNamespaceContext().translateNamespacePrefixToUri(prefix);
if (!XMLConfigConstants.SYNAPSE_NAMESPACE.equals(uri)) {
elem.declareNamespace(uri, prefix);
}
}
}
private static void handleException(String message) {
log.error(message);
throw new SynapseException(message);
}
}