/*
* 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.OMAbstractFactory;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
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.config.Endpoint;
import org.apache.synapse.config.SynapseConfiguration;
import org.apache.synapse.config.Property;
import org.apache.synapse.core.axis2.ProxyService;
import javax.xml.stream.XMLStreamException;
import java.io.OutputStream;
import java.util.Iterator;
public class XMLConfigurationSerializer {
private static final Log log = LogFactory.getLog(XMLConfigurationSerializer.class);
protected static final OMFactory fac = OMAbstractFactory.getOMFactory();
protected static final OMNamespace synNS = fac.createOMNamespace(Constants.SYNAPSE_NAMESPACE, "syn");
protected static final OMNamespace nullNS = fac.createOMNamespace(Constants.NULL_NAMESPACE, "");
public static void serializeConfiguration(SynapseConfiguration synCfg, OutputStream outputStream)
throws XMLStreamException {
OMElement synapse = fac.createOMElement("synapse", synNS);
// process registries
Iterator iter = synCfg.getRegistries().keySet().iterator();
while (iter.hasNext()) {
RegistrySerializer.serializeRegistry(synapse, synCfg.getRegistry((String) iter.next()));
}
OMElement definitions = fac.createOMElement("definitions", synNS);
// process properties
serializeProperties(definitions, synCfg);
// process endpoints
serializeEndpoints(definitions, synCfg);
// process sequences
iter = synCfg.getNamedSequences().keySet().iterator();
while (iter.hasNext()) {
String name = (String) iter.next();
definitions.addChild(
MediatorSerializerFinder.getInstance().getSerializer(synCfg.getNamedSequence(name))
.serializeMediator(null, synCfg.getNamedSequence(name)));
}
// add definitions
synapse.addChild(definitions);
// add proxy services
OMElement proxies = fac.createOMElement("proxies", synNS);
iter = synCfg.getProxyServices().iterator();
while (iter.hasNext()) {
ProxyService service = (ProxyService) iter.next();
ProxyServiceSerializer.serializeProxy(proxies, service);
}
synapse.addChild(proxies);
// process main mediator
synapse.addChild(
MediatorSerializerFinder.getInstance().getSerializer(synCfg.getMainMediator())
.serializeMediator(null, synCfg.getMainMediator()));
synapse.serialize(outputStream);
}
private static void serializeProperties(OMElement definitions, SynapseConfiguration synCfg) {
Iterator iter = synCfg.getGlobalProps().keySet().iterator();
while (iter.hasNext()) {
String propertyName = (String) iter.next();
PropertySerializer.serializeProperty(
synCfg.getPropertyObject(propertyName), definitions);
}
}
private static void serializeEndpoints(OMElement definitions, SynapseConfiguration synCfg) {
Iterator iter = synCfg.getNamedEndpoints().keySet().iterator();
while (iter.hasNext()) {
String endpointName = (String) iter.next();
Object endpt = synCfg.getNamedEndpoint(endpointName);
if (endpt instanceof Property) {
OMElement endpoint = fac.createOMElement("endpoint", synNS);
Property dp = (Property) endpt;
endpoint.addAttribute(fac.createOMAttribute(
"name", nullNS, endpointName));
endpoint.addAttribute(fac.createOMAttribute(
"key", nullNS, dp.getKey()));
definitions.addChild(endpoint);
} else if (endpt instanceof Endpoint) {
EndpointSerializer.serializeEndpoint((Endpoint) endpt, definitions);
} else {
handleException("Invalid endpoint. Type : " + endpt.getClass());
}
}
}
private static void handleException(String msg) {
log.error(msg);
throw new SynapseException(msg);
}
}