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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017 Amdocs
* ================================================================================
* Licensed 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.
* ============LICENSE_END=========================================================
*
* ECOMP is a trademark and service mark of AT&T Intellectual Property.
*/
package org.onap.aai.sparky.config.oxm;
import java.util.Arrays;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import org.eclipse.persistence.dynamic.DynamicType;
import org.eclipse.persistence.internal.oxm.mappings.Descriptor;
import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext;
public class OxmEntityLookup implements OxmModelProcessor {
// TODO: kill singleton collaborator pattern
private static OxmEntityLookup instance;
private Map<String, HashMap<String, String>> oxmModel;
private Map<String, DynamicType> entityTypeLookup;
private Map<String, OxmEntityDescriptor> entityDescriptors;
private OxmEntityLookup() {
oxmModel = new LinkedHashMap<String, HashMap<String, String>>();
entityTypeLookup = new LinkedHashMap<String, DynamicType>();
entityDescriptors = new HashMap<String, OxmEntityDescriptor>();
}
public synchronized static OxmEntityLookup getInstance() {
/*
* I hate this method and I want it to go away. The singleton pattern is transitory, I want this
* class to be wired via a bean reference instead. But from the starting point, it would require
* fixing all the classes across the code base up front and I don't want this task to expand
* beyond just refactoring the OxmModelLoader. For now I'll keep the singleton pattern, but I
* really want to get rid of it once we are properly spring wired.
*/
if (instance == null) {
instance = new OxmEntityLookup();
}
return instance;
}
@Override
public void processOxmModel(DynamicJAXBContext jaxbContext) {
@SuppressWarnings("rawtypes")
List<Descriptor> descriptorsList = jaxbContext.getXMLContext().getDescriptors();
for (@SuppressWarnings("rawtypes")
Descriptor desc : descriptorsList) {
DynamicType entity = jaxbContext.getDynamicType(desc.getAlias());
LinkedHashMap<String, String> oxmProperties = new LinkedHashMap<String, String>();
// Not all fields have key attributes
if (desc.getPrimaryKeyFields() != null) {
oxmProperties.put("primaryKeyAttributeNames", desc.getPrimaryKeyFields().toString()
.replaceAll("/text\\(\\)", "").replaceAll("\\[", "").replaceAll("\\]", ""));
}
String entityName = desc.getDefaultRootElement();
entityTypeLookup.put(entityName, entity);
// add entityName
oxmProperties.put("entityName", entityName);
Map<String, String> properties = entity.getDescriptor().getProperties();
oxmModel.put(entityName, oxmProperties);
}
for (Entry<String, HashMap<String, String>> entityModel : oxmModel.entrySet()) {
HashMap<String, String> attribute = entityModel.getValue();
OxmEntityDescriptor entity = new OxmEntityDescriptor();
entity.setEntityName(attribute.get("entityName"));
if (attribute.containsKey("primaryKeyAttributeNames")) {
entity.setPrimaryKeyAttributeNames(
Arrays.asList(attribute.get("primaryKeyAttributeNames").replace(" ", "").split(",")));
entityDescriptors.put(attribute.get("entityName"), entity);
}
}
}
public Map<String, HashMap<String, String>> getOxmModel() {
return oxmModel;
}
public void setOxmModel(Map<String, HashMap<String, String>> oxmModel) {
this.oxmModel = oxmModel;
}
public Map<String, DynamicType> getEntityTypeLookup() {
return entityTypeLookup;
}
public void setEntityTypeLookup(Map<String, DynamicType> entityTypeLookup) {
this.entityTypeLookup = entityTypeLookup;
}
public Map<String, OxmEntityDescriptor> getEntityDescriptors() {
return entityDescriptors;
}
public void setEntityDescriptors(Map<String, OxmEntityDescriptor> entityDescriptors) {
this.entityDescriptors = entityDescriptors;
}
public void addEntityDescriptor(String type, OxmEntityDescriptor descriptor) {
if (this.entityDescriptors != null) {
this.entityDescriptors.put(type, descriptor);
}
}
}
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