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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 CrossEntityReferenceLookup implements OxmModelProcessor {
// TODO: kill singleton collaborator pattern
private static CrossEntityReferenceLookup instance;
private Map<String, HashMap<String, String>> crossReferenceEntityOxmModel;
private Map<String, CrossEntityReferenceDescriptor> crossReferenceEntityDescriptors;
private CrossEntityReferenceLookup() {
crossReferenceEntityOxmModel = new LinkedHashMap<String, HashMap<String, String>>();
crossReferenceEntityDescriptors = new HashMap<String, CrossEntityReferenceDescriptor>();
}
public synchronized static CrossEntityReferenceLookup 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 CrossEntityReferenceLookup();
}
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();
// add entityName
oxmProperties.put("entityName", entityName);
Map<String, String> properties = entity.getDescriptor().getProperties();
if (properties != null) {
for (Map.Entry<String, String> entry : properties.entrySet()) {
if (entry.getKey().equalsIgnoreCase("crossEntityReference")) {
oxmProperties.put("crossEntityReference", entry.getValue());
}
}
}
if (oxmProperties.containsKey("crossEntityReference")) {
crossReferenceEntityOxmModel.put(entityName, oxmProperties);
}
}
for (Entry<String, HashMap<String, String>> crossRefModel : crossReferenceEntityOxmModel
.entrySet()) {
HashMap<String, String> attribute = crossRefModel.getValue();
CrossEntityReferenceDescriptor entity = new CrossEntityReferenceDescriptor();
entity.setEntityName(attribute.get("entityName"));
entity.setPrimaryKeyAttributeNames(
Arrays.asList(attribute.get("primaryKeyAttributeNames").replace(" ", "").split(",")));
List<String> crossEntityRefTokens =
Arrays.asList(attribute.get("crossEntityReference").split(","));
if (crossEntityRefTokens.size() >= 2) {
CrossEntityReference entityRef = new CrossEntityReference();
entityRef.setTargetEntityType(crossEntityRefTokens.get(0));
for (int i = 1; i < crossEntityRefTokens.size(); i++) {
entityRef.addReferenceAttribute(crossEntityRefTokens.get(i));
}
entity.setCrossEntityReference(entityRef);
}
crossReferenceEntityDescriptors.put(attribute.get("entityName"), entity);
}
}
public Map<String, HashMap<String, String>> getCrossReferenceEntityOxmModel() {
return crossReferenceEntityOxmModel;
}
public void setCrossReferenceEntityOxmModel(
Map<String, HashMap<String, String>> crossReferenceEntityOxmModel) {
this.crossReferenceEntityOxmModel = crossReferenceEntityOxmModel;
}
public Map<String, CrossEntityReferenceDescriptor> getCrossReferenceEntityDescriptors() {
return crossReferenceEntityDescriptors;
}
public void setCrossReferenceEntityDescriptors(
Map<String, CrossEntityReferenceDescriptor> crossReferenceEntityDescriptors) {
this.crossReferenceEntityDescriptors = crossReferenceEntityDescriptors;
}
}
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