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package org.onap.vid.asdc.local;
import com.fasterxml.jackson.core.JsonParseException;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.json.JSONArray;
import org.json.JSONObject;
import org.onap.vid.asdc.AsdcCatalogException;
import org.onap.vid.asdc.AsdcClient;
import org.onap.vid.asdc.beans.Service;
import org.onap.vid.exceptions.GenericUncheckedException;
import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.UUID;
/**
* The Class LocalAsdcClient.
*/
public class LocalAsdcClient implements AsdcClient {
public static final String SERVICES = "services";
/**
* The catalog.
*/
private final JSONObject catalog;
/**
* The mapper.
*/
private final ObjectMapper mapper;
/**
* Instantiates a new in local sdc client.
*
* @param builder the builder
*/
public LocalAsdcClient(org.onap.vid.asdc.local.LocalAsdcClient.Builder builder) {
catalog = builder.catalog;
mapper = builder.mapper;
}
/**
* Gets the catalog.
*
* @return the catalog
*/
private JSONObject getCatalog() {
return catalog;
}
/**
* Gets the mapper.
*
* @return the mapper
*/
private ObjectMapper getMapper() {
return mapper;
}
/**
* Convert.
*
* @param <T> the generic type
* @param json the json
* @param clazz the clazz
* @return the t
* @throws AsdcCatalogException the sdc catalog exception
*/
private <T> T convert(JSONObject json, Class<T> clazz) throws AsdcCatalogException {
try {
return getMapper().readValue(json.toString(), clazz);
} catch (JsonParseException e) {
throw new AsdcCatalogException("Failed to parse SDC response (bad data)", e);
} catch (JsonMappingException e) {
throw new AsdcCatalogException("Failed to map SDC response to internal VID data structure(s)", e);
} catch (IOException e) {
throw new AsdcCatalogException("Failed to get a response from SDC", e);
}
}
/* (non-Javadoc)
* @see org.onap.vid.asdc.AsdcClient#getService(java.util.UUID)
*/
public Service getService(UUID uuid) throws AsdcCatalogException {
JSONObject serviceJsonObject = null;
final JSONArray categoryJsonArray = getCatalog().getJSONArray(SERVICES);
for (int i = 0; i < categoryJsonArray.length(); i++) {
JSONObject jsonServiceObject = categoryJsonArray.getJSONObject(i);
if (jsonServiceObject.get("uuid").equals(uuid.toString())) {
serviceJsonObject = jsonServiceObject;
break;
}
}
if (serviceJsonObject != null)
return convert(serviceJsonObject, Service.class);
else return null;
}
/* (non-Javadoc)
* @see org.onap.vid.asdc.AsdcClient#getServiceToscaModel(java.util.UUID)
*/
public Path getServiceToscaModel(UUID serviceUuid) {
String toscaModelURL = null;
final JSONArray categoryJsonArray = getCatalog().getJSONArray(SERVICES);
for (int i = 0; i < categoryJsonArray.length(); i++) {
JSONObject jsonServiceObject = categoryJsonArray.getJSONObject(i);
if (jsonServiceObject.get("uuid").equals(serviceUuid.toString())) {
toscaModelURL = jsonServiceObject.getString("toscaModelURL");
}
}
if (toscaModelURL == null) {
return null;
}
ClassLoader classLoader = getClass().getClassLoader();
File file = new File(classLoader.getResource(toscaModelURL).getFile());
try {
//using URLDecoder.decode to convert special characters from %XX to real character
//see https://stackoverflow.com/questions/32251251/java-classloader-getresource-with-special-characters-in-path
return Paths.get(URLDecoder.decode(file.getPath(), "UTF-8"));
} catch (UnsupportedEncodingException e) {
throw new GenericUncheckedException(e);
}
}
/**
* The Class Builder.
*/
public static class Builder {
/**
* The catalog.
*/
private JSONObject catalog = new JSONObject()
.put("resources", new JSONObject())
.put(SERVICES, new JSONObject());
/**
* The mapper.
*/
private ObjectMapper mapper = new ObjectMapper();
/**
* Instantiates a new builder.
*/
public Builder() {
}
/**
* Catalog.
*
* @param catalog the catalog
* @return the builder
*/
public org.onap.vid.asdc.local.LocalAsdcClient.Builder catalog(JSONObject catalog) {
this.catalog = catalog;
return this;
}
/**
* Mapper.
*
* @param mapper the mapper
* @return the builder
*/
public org.onap.vid.asdc.local.LocalAsdcClient.Builder mapper(ObjectMapper mapper) {
this.mapper = mapper;
return this;
}
/**
* Builds the.
*
* @return the in local sdc client
*/
public org.onap.vid.asdc.local.LocalAsdcClient build() {
return new org.onap.vid.asdc.local.LocalAsdcClient(this);
}
}
}
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