com.capitalone.dashboard.datafactory.versionone.VersionOneDataFactoryImpl Maven / Gradle / Ivy
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/*************************
* DA-BOARD-LICENSE-START*********************************
* Copyright 2014 CapitalOne, LLC.
*
* 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.
* ************************DA-BOARD-LICENSE-END
*********************************/
package com.capitalone.dashboard.datafactory.versionone;
import com.capitalone.dashboard.misc.HygieiaException;
import com.capitalone.dashboard.util.FeatureCollectorConstants;
import com.versionone.apiclient.ProxyProvider;
import com.versionone.apiclient.Services;
import com.versionone.apiclient.V1Connector;
import com.versionone.apiclient.exceptions.V1Exception;
import com.versionone.apiclient.interfaces.IServices;
import org.json.simple.JSONArray;
import org.json.simple.parser.JSONParser;
import org.json.simple.parser.ParseException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URISyntaxException;
import java.util.Map;
@Component
public class VersionOneDataFactoryImpl implements VersionOneDataFactory {
private static final Logger LOGGER = LoggerFactory.getLogger(VersionOneDataFactoryImpl.class);
protected int pageSize;
protected int pageIndex;
protected JSONArray jsonOutputArray;
protected String basicQuery;
protected String pagingQuery;
protected IServices v1Service = null;
/**
* Default blank constructor
*/
public VersionOneDataFactoryImpl() {
this.pageSize = 2000;
this.pageIndex = 0;
}
/**
* Default constructor, which sets page size to 2000 and page index to 0.
*
* @throws HygieiaException
*/
public VersionOneDataFactoryImpl(Map auth) throws HygieiaException {
this(2000, auth);
}
/**
* Constructs V1 data factory, but defaults the page size to the page size
* parameter given, and the page index to 0.
*
* @param inPageSize A default page size to give the class on construction
* @throws HygieiaException
*/
public VersionOneDataFactoryImpl(int inPageSize, Map auth)
throws HygieiaException {
this.v1Service = new Services(versionOneAuthentication(auth));
this.pageSize = inPageSize;
pageIndex = 0;
}
/**
* Used for establishing connection to VersionOne based on authentication
*
* @param auth A key-value pairing of authentication values
* @return A V1Connector connection instance
*/
private V1Connector versionOneAuthentication(Map auth) throws HygieiaException {
V1Connector connector;
try {
if (!StringUtils.isEmpty(auth.get("v1ProxyUrl"))) {
ProxyProvider proxyProvider = new ProxyProvider(new URI(auth.get("v1ProxyUrl")), "",
"");
connector = V1Connector.withInstanceUrl(auth.get("v1BaseUri"))
.withUserAgentHeader(FeatureCollectorConstants.AGENT_NAME, FeatureCollectorConstants.AGENT_VER)
.withAccessToken(auth.get("v1AccessToken"))
.withProxy(proxyProvider)
.build();
} else {
connector = V1Connector.withInstanceUrl(auth.get("v1BaseUri"))
.withUserAgentHeader(FeatureCollectorConstants.AGENT_NAME, FeatureCollectorConstants.AGENT_VER)
.withAccessToken(auth.get("v1AccessToken")).build();
}
} catch (V1Exception ve) {
throw new HygieiaException("FAILED: VersionOne was not able to authenticate", ve,
HygieiaException.INVALID_CONFIGURATION);
} catch (MalformedURLException | URISyntaxException me) {
throw new HygieiaException("FAILED: Invalid VersionOne URL.", me,
HygieiaException.INVALID_CONFIGURATION);
}
return connector;
}
/**
* Creates a query on demand based on a given basic query and a specified
* page index value. It is recommended to use this method in a loop to
* ensure all pages are covered.
*
* @param inPageIndex A given query's current page index, from 0-oo
* @return A JSON-formatted response
*/
public String buildPagingQuery(int inPageIndex) {
this.setPageIndex(inPageIndex);
String pageFilter = "\npage:\n" + " size: " + pageSize + "\n" + " start: " + pageIndex;
this.setPagingQuery(this.getBasicQuery() + pageFilter);
return this.getPagingQuery();
}
/**
* Runs the VersionOneConnection library tools against a given
* YAML-formatted query. This requires a pre-formatted paged query to run,
* and will not perform the paging for you - there are other helper methods
* for this.
*
* @return A formatted JSONArray response
* @throws HygieiaException
*/
public JSONArray getPagingQueryResponse() throws HygieiaException {
synchronized (this.v1Service) {
Object obj = this.v1Service.executePassThroughQuery(this.getPagingQuery());
if (obj == null) {
throw new HygieiaException(
"FAILED: There was a problem parsing or casting JSON types from a message response",
HygieiaException.JSON_FORMAT_ERROR);
}
if (obj.toString().equalsIgnoreCase("{\"error\":\"Unauthorized\"}")) {
throw new HygieiaException(
"FAILED: There was a problem authenticating with VersionOne",
HygieiaException.INVALID_CONFIGURATION);
}
return makeJsonOutputArray(obj.toString());
}
}
/**
* Runs the VersionOneConnection library tools against a given
* YAML-formatted query. This requires a pre-formatted basic query
* (single-use).
*
* @return A formatted JSONArray response
*/
public JSONArray getQueryResponse() throws HygieiaException {
synchronized (this.v1Service) {
Object obj = this.v1Service.executePassThroughQuery(this.getBasicQuery());
if (obj == null) {
throw new HygieiaException(
"FAILED: There was a problem parsing or casting JSON types from a message response",
HygieiaException.JSON_FORMAT_ERROR);
}
if (obj.toString().equalsIgnoreCase("{\"error\":\"Unauthorized\"}")) {
throw new HygieiaException(
"FAILED: There was a problem authenticating with VersionOne",
HygieiaException.INVALID_CONFIGURATION);
}
return makeJsonOutputArray(obj.toString());
}
}
/**
* Mutator method for page index.
*
* @param pageIndex Page index of query
*/
public void setPageIndex(int pageIndex) {
this.pageIndex = pageIndex;
}
/**
* Mutator method for page size.
*
* @param pageSize Page index of query
*/
public void setPageSize(int pageSize) {
this.pageSize = pageSize;
}
/**
* Accessor method for page index.
*
* @return Page index of query
*/
public int getPageIndex() {
return this.pageIndex;
}
/**
* Accessor method for JSON response output array.
*
* @return JSON response array from VersionOne
*/
private JSONArray getJsonOutputArray() {
return jsonOutputArray;
}
/**
* Mutator method for JSON response output array.
*/
private void setJsonOutputArray(String stringResult) {
JSONParser parser = new JSONParser();
try {
this.jsonOutputArray = (JSONArray) parser.parse(stringResult);
} catch (ParseException | ClassCastException e) {
LOGGER.error(
"There was a problem parsing the JSONArray response value from the source system:\n"
+ e.getMessage() + " | " + e.getCause());
this.jsonOutputArray = new JSONArray();
}
}
/**
* Mutator method for JSON response output array.
*/
private JSONArray makeJsonOutputArray(String stringResult) {
JSONParser parser = new JSONParser();
try {
return (JSONArray) parser.parse(stringResult);
} catch (ParseException | ClassCastException e) {
LOGGER.error(
"There was a problem parsing the JSONArray response value from the source system:\n"
+ e.getMessage() + " | " + e.getCause());
return new JSONArray();
}
}
/**
* Accessor method for basic query formatted object.
*
* @return Basic VersionOne YAML query
*/
public String getBasicQuery() {
return basicQuery;
}
/**
* Mutator method for basic query formatted object.
*
* @param basicQuery VersionOne YAML query
*/
public void setBasicQuery(String basicQuery) {
this.basicQuery = basicQuery;
}
/**
* Accessor method for retrieving paged query.
*
* @return The paged YAML query
*/
public String getPagingQuery() {
return pagingQuery;
}
/**
* Mutator method for setting paged query
*
* @param pagingQuery The paged YAML query
*/
public void setPagingQuery(String pagingQuery) {
this.pagingQuery = pagingQuery;
}
/**
* Used for testing: Accessor Method to get currently set page size
*/
public int getPageSize() {
return this.pageSize;
}
}