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/**
* ============LICENSE_START=======================================================
* org.onap.aai
* ================================================================================
* Copyright © 2017-2018 AT&T Intellectual Property. All rights reserved.
* Copyright © 2017-2018 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=========================================================
*/
package org.onap.crud.entity;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Optional;
import org.eclipse.persistence.dynamic.DynamicType;
import org.eclipse.persistence.internal.helper.DatabaseField;
import org.eclipse.persistence.jaxb.dynamic.DynamicJAXBContext;
import org.eclipse.persistence.mappings.DatabaseMapping;
import org.json.JSONArray;
import org.json.JSONObject;
import org.onap.crud.exception.CrudException;
import org.onap.crud.util.CrudServiceUtil;
import org.onap.schema.OxmModelLoader;
import org.onap.schema.OxmModelValidator;
import com.google.common.base.CaseFormat;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.annotations.SerializedName;
import net.dongliu.gson.GsonJava8TypeAdapterFactory;
public class Vertex {
private static final Gson gson = new GsonBuilder().registerTypeAdapterFactory(new GsonJava8TypeAdapterFactory())
.create();
@SerializedName(value = "id", alternate = { "key" })
private final Optional<String> id;
private final String type;
private final Map<String, Object> properties;
private Vertex(Builder builder) {
this.id = builder.id;
this.type = builder.type;
this.properties = builder.properties;
}
public static class Builder {
private Optional<String> id = Optional.empty();
private final String type;
private final Map<String, Object> properties = new HashMap<String, Object>();
public Builder(String type) {
if (type == null) {
throw new IllegalArgumentException("Type cannot be null");
}
this.type = type;
}
public Builder id(String id) {
if (id == null) {
throw new IllegalArgumentException("id cannot be null");
}
this.id = Optional.of(id);
return this;
}
public Builder property(String key, Object value) {
if (key == null || value == null) {
throw new IllegalArgumentException("Property key/value cannot be null");
}
properties.put(key, value);
return this;
}
public Vertex build() {
return new Vertex(this);
}
}
public String toJson() {
return gson.toJson(this);
}
public String toJson(Gson customGson) {
return customGson.toJson(this);
}
public static Vertex fromJson(String jsonString, String version) throws CrudException {
JSONObject doc = new JSONObject(jsonString);
return fromJson(doc, version);
}
public static Vertex fromJson(JSONObject jsonObject, String version) throws CrudException {
Builder builder;
try {
String type = jsonObject.getString("type");
builder = new Builder(type).id(jsonObject.getString("key"));
type = OxmModelValidator.resolveCollectionType(version, type);
DynamicJAXBContext jaxbContext = OxmModelLoader.getContextForVersion(version);
final DynamicType modelObjectType = OxmModelLoader.getDynamicTypeForVersion(version, type);
final DynamicType reservedType = jaxbContext.getDynamicType("ReservedPropNames");
if (modelObjectType == null) {
throw new CrudException("Unable to load oxm version", javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
}
if (jsonObject.has("properties")) {
JSONObject jsonProps = jsonObject.getJSONObject("properties");
for (String key : jsonProps.keySet()) {
String keyJavaName = CaseFormat.LOWER_HYPHEN.to(CaseFormat.LOWER_CAMEL, key);
DatabaseMapping mapping = modelObjectType.getDescriptor().getMappingForAttributeName(keyJavaName);
if (mapping == null) {
// This might be one of the reserved properties
mapping = reservedType.getDescriptor().getMappingForAttributeName(keyJavaName);
}
if (mapping != null) {
DatabaseField field = mapping.getField();
Object value = CrudServiceUtil.validateFieldType(jsonProps.get(key).toString(), field.getType());
builder.property(key, value);
}
}
}
}
catch (Exception ex) {
throw new CrudException("Unable to transform response: " + jsonObject.toString(), javax.ws.rs.core.Response.Status.INTERNAL_SERVER_ERROR);
}
return builder.build();
}
public static List<Vertex> collectionFromJson(String jsonString, String version) throws CrudException {
List<Vertex> result = new ArrayList<>();
JSONArray array = new JSONArray(jsonString);
for (Object jsonObject : array) {
result.add(Vertex.fromJson((JSONObject)jsonObject, version));
}
return result;
}
@Override
public String toString() {
return "Vertex [id=" + id + ", type=" + type + ", properties=" + properties + "]";
}
public Optional<String> getId() {
return id;
}
public String getType() {
return type;
}
public Map<String, Object> getProperties() {
return properties;
}
}
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