/*
* 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.commons.evaluators.config;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMFactory;
import org.apache.axiom.om.OMAbstractFactory;
import org.apache.axiom.om.OMNamespace;
import org.apache.synapse.commons.evaluators.Evaluator;
import org.apache.synapse.commons.evaluators.EvaluatorException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
* Provide common methods for {@link EvaluatorSerializer} implementations
*/
public abstract class AbstractEvaluatorSerializer implements EvaluatorSerializer {
protected Log log;
protected static final OMFactory fac = OMAbstractFactory.getOMFactory();
protected static final OMNamespace nullNS = fac.createOMNamespace("", "");
/**
* A constructor that makes subclasses pick up the correct logger
*/
protected AbstractEvaluatorSerializer() {
log = LogFactory.getLog(this.getClass());
}
protected void serializeChildren(OMElement parent, Evaluator[] childEvaluators)
throws EvaluatorException {
for (Evaluator evaluator : childEvaluators) {
String name = evaluator.getName();
EvaluatorSerializer serializer = EvaluatorSerializerFinder.
getInstance().getSerializer(name);
if (serializer != null) {
serializer.serialize(parent, evaluator);
} else {
String msg = "Couldn't find the serializer for evaliator: " + name;
log.error(msg);
throw new EvaluatorException(msg);
}
}
}
protected void serializeChild(OMElement parenet, Evaluator child) throws EvaluatorException {
EvaluatorSerializer serializer =
EvaluatorSerializerFinder.getInstance().getSerializer(child.getName());
if (serializer != null) {
serializer.serialize(parenet, child);
} else {
String msg = "Couldn't find the serializer for evaliator: " + child.getName();
log.error(msg);
throw new EvaluatorException(msg);
}
}
}