/*
* 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.synapse.config.XMLToObjectMapper;
import org.apache.synapse.config.Endpoint;
import org.apache.synapse.config.Property;
import org.apache.synapse.SynapseException;
import org.apache.axiom.om.OMNode;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMAttribute;
import org.apache.axiom.om.OMText;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.xml.namespace.QName;
import java.net.URL;
import java.net.MalformedURLException;
public class PropertyFactory implements XMLToObjectMapper {
private static Log log = LogFactory.getLog(PropertyFactory.class);
private static final PropertyFactory instance = new PropertyFactory();
private PropertyFactory() {}
public static Property createProperty(OMElement elem) {
OMAttribute name = elem.getAttribute(new QName(Constants.NULL_NAMESPACE, "name"));
if (name == null) {
handleException("The 'name' attribute is required for a property definition");
return null;
} else {
Property property = new Property();
property.setName(name.getAttributeValue());
String value = elem.getAttributeValue(new QName(Constants.NULL_NAMESPACE, "value"));
String src = elem.getAttributeValue(new QName(Constants.NULL_NAMESPACE, "src"));
String key = elem.getAttributeValue(new QName(Constants.NULL_NAMESPACE, "key"));
OMElement content = elem.getFirstElement();
if(value != null) {
property.setType(Property.VALUE_TYPE);
property.setValue(value);
} else if(src != null) {
property.setType(Property.SRC_TYPE);
try {
property.setSrc(new URL(src));
} catch (MalformedURLException e) {
handleException("Given src attribute " + src + "is not a propper URL.");
}
} else if(key != null) {
property.setType(Property.DYNAMIC_TYPE);
property.setKey(key);
} else if(content != null) {
if (content instanceof OMText) {
property.setType(Property.INLINE_STRING_TYPE);
property.setValue(content.getText());
} else {
property.setType(Property.INLINE_XML_TYPE);
property.setValue(content);
}
}
return property;
}
}
private static void handleException(String msg) {
log.error(msg);
throw new SynapseException(msg);
}
private static void handleException(String msg, Exception e) {
log.error(msg, e);
throw new SynapseException(msg, e);
}
public Object getObjectFromOMNode(OMNode om) {
if (om instanceof OMElement) {
return createProperty((OMElement) om);
} else {
handleException("Invalid XML configuration for an Endpoint. OMElement expected");
}
return null;
}
public static PropertyFactory getInstance() {
return instance;
}
}