/*
* 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 SynapsePathSerializer {
private static final Log log = LogFactory.getLog(SynapsePathSerializer.class);
public static OMElement serializePath(SynapsePath path, OMElement elem, String attribName) {
OMNamespace nullNS = elem.getOMFactory()
.createOMNamespace(XMLConfigConstants.NULL_NAMESPACE, "");
if (path != null) {
elem.addAttribute(elem.getOMFactory().createOMAttribute(
attribName, nullNS, path.toString()));
serializeNamespaces(elem, path);
} else {
handleException("Couldn't find the xpath in the SynapseXPath");
}
return elem;
}
public static OMElement serializePath(SynapsePath path, String expression,
OMElement elem, String attribName) {
OMNamespace nullNS = elem.getOMFactory()
.createOMNamespace(XMLConfigConstants.NULL_NAMESPACE, "");
if (path != null && expression != null) {
if(path.getPathType() == SynapsePath.JSON_PATH) {
if (expression.contains("json-eval(")) {
elem.addAttribute(elem.getOMFactory().createOMAttribute(
attribName, nullNS, expression));
} else {
elem.addAttribute(elem.getOMFactory().createOMAttribute(
attribName, nullNS, "json-eval(" + expression + ")"));
}
} else if(path.getPathType() == SynapsePath.X_PATH) {
elem.addAttribute(elem.getOMFactory().createOMAttribute(
attribName, nullNS, expression));
}
serializeNamespaces(elem, path);
} else {
handleException("Couldn't find the xpath in the SynapseXPath");
}
return elem;
}
public static OMElement serializeTextPath(SynapsePath path, String expression,
OMElement elem, String attribName) {
if (path != null && expression != null) {
if(path.getPathType() == SynapsePath.JSON_PATH) {
if (expression.contains("json-eval(")) {
// JSON evaluation expression as a value. eg: {json-eval($.)}
elem.setText(expression);
} else {
elem.setText("json-eval(" + expression + ")");
}
} else if(path.getPathType() == SynapsePath.X_PATH) {
elem.setText(expression);
}
serializeNamespaces(elem, path);
} else {
handleException("Couldn't find the xpath in the SynapseXPath");
}
return elem;
}
private static void serializeNamespaces(OMElement elem, SynapsePath path) {
for (Object o : path.getNamespaces().keySet()) {
String prefix = (String) o;
String uri = path.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);
}
}