/*
* Copyright (c) 2005-2010, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. 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.wso2.carbon.mediation.initializer.multitenancy;
import org.apache.axiom.om.OMAttribute;
import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.OMNode;
import org.apache.axiom.om.OMText;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.SynapseConstants;
import org.apache.synapse.SynapseException;
import org.apache.synapse.config.Entry;
import org.apache.synapse.config.SynapseConfigUtils;
import org.apache.synapse.config.XMLToObjectMapper;
import org.apache.synapse.config.xml.IEntryFactory;
import org.apache.synapse.config.xml.XMLConfigConstants;
import javax.xml.namespace.QName;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Properties;
public class StratosEntryFactory implements IEntryFactory,XMLToObjectMapper {
private static Log log = LogFactory.getLog(StratosEntryFactory.class);
private static final QName DESCRIPTION_Q
= new QName(SynapseConstants.SYNAPSE_NAMESPACE, "description");
public Entry createEntry(OMElement elem) {
OMAttribute key = elem.getAttribute(new QName(XMLConfigConstants.NULL_NAMESPACE, "key"));
Entry entry = new Entry(key.getAttributeValue());
OMElement descriptionElem = elem.getFirstChildWithName(DESCRIPTION_Q);
if (descriptionElem != null) {
entry.setDescription(descriptionElem.getText());
descriptionElem.detach();
}
String src = elem.getAttributeValue(
new QName(XMLConfigConstants.NULL_NAMESPACE, "src"));
// if a src attribute is present, this is a URL source resource,
// it would now be loaded from the URL source, as all static properties
// are initialized at startup
if (src != null) {
try {
URL url = new URL(src.trim());
if (!"file".equals(url.getProtocol())) {
entry.setSrc(url);
entry.setType(Entry.URL_SRC);
entry.setValue(SynapseConfigUtils.getObject(entry.getSrc(), new Properties()));
}else{
handleException("Cannot create LocalEntry. Read blocked for local file system with path : " +
url.getPath());
}
} catch (MalformedURLException e) {
handleException("The entry with key : " + key + " refers to an invalid URL");
}
} else {
OMNode nodeValue = elem.getFirstOMChild();
OMElement elemValue = elem.getFirstElement();
if (elemValue != null) {
entry.setType(Entry.INLINE_XML);
entry.setValue(elemValue);
} else if (nodeValue != null && nodeValue instanceof OMText) {
entry.setType(Entry.INLINE_TEXT);
entry.setValue(elem.getText());
}
}
return entry;
}
public Object getObjectFromOMNode(OMNode om, Properties properties) {
if (om instanceof OMElement) {
return createEntry((OMElement) om);
} else {
handleException("Invalid XML configuration for an Entry. OMElement expected");
}
return null;
}
private static void handleException(String msg) {
log.error(msg);
throw new SynapseException(msg);
}
}