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Merged in improvements (pull request #1)

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Improvements
This commit is contained in:
Mark Nellemann 2019-10-25 15:00:29 +00:00
parent 6809bd762a ef472a41ee
commit 007eac2965
2 changed files with 89 additions and 76 deletions
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145
src/main/java/biz/nellemann/libcvrapi/CvrApi.java
View file

@ -19,87 +19,96 @@
package biz.nellemann.libcvrapi; package biz.nellemann.libcvrapi;
import java.io.IOException;
import biz.nellemann.libcvrapi.pojo.Company; import biz.nellemann.libcvrapi.pojo.Company;
import com.google.gson.Gson; import com.google.gson.Gson;
import com.google.gson.JsonSyntaxException; import com.google.gson.JsonSyntaxException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import okhttp3.Credentials; import okhttp3.Credentials;
import okhttp3.OkHttpClient; import okhttp3.OkHttpClient;
import okhttp3.Request; import okhttp3.Request;
import okhttp3.Response; import okhttp3.Response;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
public class CvrApi { public class CvrApi {
private final static Logger log = LoggerFactory.getLogger(CvrApi.class); private static final Logger log = LoggerFactory.getLogger(CvrApi.class);
private final OkHttpClient client; private final OkHttpClient client = new OkHttpClient();
private final String userAgent; private final String userAgent;
private final String authenticationToken; private final String authenticationToken;
protected String baseUrl = "https://rest.cvrapi.dk/v1/dk"; private final String BASE_URL;
public CvrApi(String userAgent, String authenticationToken) { public CvrApi(String userAgent, String authenticationToken) {
this.userAgent = userAgent; this(userAgent, authenticationToken, null);
this.authenticationToken = authenticationToken; }
client = new OkHttpClient();
} public CvrApi(String userAgent, String authenticationToken, String baseUrl) {
this.userAgent = userAgent;
this.authenticationToken = authenticationToken;
if(baseUrl == null) {
this.BASE_URL = "https://rest.cvrapi.dk/v1/dk";
} else {
this.BASE_URL = baseUrl;
}
}
protected String get(String url) throws IOException, Exception { protected String get(String url) throws Exception {
String credential = Credentials.basic(authenticationToken, ""); String credential = Credentials.basic(authenticationToken, "");
Request request = new Request.Builder().url(url).header("User-Agent", userAgent) Request request = new Request
.header("Authorization", credential).addHeader("Accept", "application/json;").build(); .Builder()
.url(url)
.header("User-Agent", userAgent)
.header("Authorization", credential)
.addHeader("Accept", "application/json;")
.build();
Response response = client.newCall(request).execute(); Response response = client.newCall(request).execute();
switch (response.code()) { switch (response.code()) {
case 200: case 200:
return response.body().string(); return response.body().string();
case 401: case 401:
log.warn("get() - 401 - Access Denied"); log.warn("get() - 401 - Access Denied");
throw new Exception("Access Denied"); throw new Exception("Access Denied");
case 404: case 404:
log.warn("get() - 404 - Not Found"); log.warn("get() - 404 - Not Found");
throw new Exception("Not Found"); throw new Exception("Not Found");
default: default:
throw new Exception("get() - Unknown Error - status code: " + response.code()); throw new Exception("get() - Unknown Error - status code: " + response.code());
} }
}
}
/** /**
* Query the API: https://rest.cvrapi.dk/v1/dk/company/vatNumber * Query the API: https://rest.cvrapi.dk/v1/dk/company/vatNumber
* *
* @param vatNumber * @param vatNumber
* @return * @return
* @throws IOException * @throws IOException
*/ */
protected String getCompanyJson(String vatNumber) throws IOException, Exception { protected String getCompanyJson(String vatNumber) throws Exception {
String response = get(baseUrl + "/company/" + vatNumber); String response = get(BASE_URL + "/company/" + vatNumber);
log.debug("getCompanyJson() response: " + response); log.debug("getCompanyJson() response: {}", response);
return response; return response;
} }
/** /**
* Use GSON to deserialize JSON into POJO's. * Use GSON to deserialize JSON into POJO's.
* *
* @param json * @param json
* @return * @return
*/ */
protected Company parseJsonIntoCompany(String json) throws JsonSyntaxException { protected Company parseJsonIntoCompany(String json) {
Gson gson = new Gson(); Gson gson = new Gson();
Company company = gson.fromJson(json, Company.class); return gson.fromJson(json, Company.class);
return company; }
}
/** /**
@ -108,22 +117,22 @@ public class CvrApi {
* @param vatNumber * @param vatNumber
* @return * @return
*/ */
public Company getCompanyByVatNumber(String vatNumber) { public Company getCompanyByVatNumber(String vatNumber) {
try { try {
String json = getCompanyJson(vatNumber); String json = getCompanyJson(vatNumber);
return parseJsonIntoCompany(json); return parseJsonIntoCompany(json);
} catch (JsonSyntaxException e) { } catch (JsonSyntaxException e) {
log.error("Error parsing JSON", e); log.error("Error parsing JSON", e);
return null; return null;
} catch (IOException e) { } catch (IOException e) {
log.error("IO Error", e); log.error("IO Error", e);
return null; return null;
} catch (Exception e) { } catch (Exception e) {
log.error("Unknown Error", e); log.error("Unknown Error", e);
return null; return null;
} }
} }
} }

20
src/test/groovy/biz/nellemann/libcvrapi/CvrApiSpec.groovy
View file

@ -12,8 +12,7 @@ class CvrApiSpec extends Specification {
MockWebServer mockServer = new MockWebServer(); MockWebServer mockServer = new MockWebServer();
def setup() { def setup() {
api = new CvrApi("Test User Agent", "testAuthToken") mockServer.start()
mockServer.start();
} }
def cleanup() { def cleanup() {
@ -22,6 +21,7 @@ class CvrApiSpec extends Specification {
void "test unsuccessful parsing of JSON"() { void "test unsuccessful parsing of JSON"() {
setup: setup:
api = new CvrApi("Test User Agent", "testAuthToken")
def testJson = "{'foo':'bar'}" def testJson = "{'foo':'bar'}"
when: when:
@ -33,6 +33,7 @@ class CvrApiSpec extends Specification {
void "test unsuccessful parsing of JSON w. VAT as text"() { void "test unsuccessful parsing of JSON w. VAT as text"() {
setup: setup:
api = new CvrApi("Test User Agent", "testAuthToken")
def testJson = "{'vat':'abcd1234'}" def testJson = "{'vat':'abcd1234'}"
when: when:
@ -45,6 +46,7 @@ class CvrApiSpec extends Specification {
void "test successful parsing company with CVR 25063864"() { void "test successful parsing company with CVR 25063864"() {
setup: setup:
api = new CvrApi("Test User Agent", "testAuthToken")
def testFile = new File(getClass().getResource('/25063864.json').toURI()) def testFile = new File(getClass().getResource('/25063864.json').toURI())
def testJson = testFile.getText('UTF-8') def testJson = testFile.getText('UTF-8')
@ -63,6 +65,7 @@ class CvrApiSpec extends Specification {
void "test successful parsing of company with CVR 15027800"() { void "test successful parsing of company with CVR 15027800"() {
setup: setup:
api = new CvrApi("Test User Agent", "testAuthToken")
def testFile = new File(getClass().getResource('/15027800.json').toURI()) def testFile = new File(getClass().getResource('/15027800.json').toURI())
def testJson = testFile.getText('UTF-8') def testJson = testFile.getText('UTF-8')
@ -83,7 +86,7 @@ class CvrApiSpec extends Specification {
setup: setup:
mockServer.enqueue(new MockResponse().setBody("{}")); mockServer.enqueue(new MockResponse().setBody("{}"));
HttpUrl baseUrl = mockServer.url("/v1/dk/"); HttpUrl baseUrl = mockServer.url("/v1/dk/");
api.baseUrl = baseUrl.toString() api = new CvrApi("Test User Agent", "testAuthToken", baseUrl.toString())
when: when:
def jsonString = api.getCompanyJson("15027800") def jsonString = api.getCompanyJson("15027800")
@ -100,7 +103,7 @@ class CvrApiSpec extends Specification {
def testJson = testFile.getText('UTF-8') def testJson = testFile.getText('UTF-8')
mockServer.enqueue(new MockResponse().setBody(testJson)); mockServer.enqueue(new MockResponse().setBody(testJson));
HttpUrl baseUrl = mockServer.url("/v1/dk/"); HttpUrl baseUrl = mockServer.url("/v1/dk/");
api.baseUrl = baseUrl.toString() api = new CvrApi("Test User Agent", "testAuthToken", baseUrl.toString())
when: when:
def company = api.getCompanyByVatNumber("25063864") def company = api.getCompanyByVatNumber("25063864")
@ -114,7 +117,7 @@ class CvrApiSpec extends Specification {
setup: setup:
mockServer.enqueue(new MockResponse().setBody("{'foo':'bar'}")); mockServer.enqueue(new MockResponse().setBody("{'foo':'bar'}"));
HttpUrl baseUrl = mockServer.url("/v1/dk/"); HttpUrl baseUrl = mockServer.url("/v1/dk/");
api.baseUrl = baseUrl.toString() api = new CvrApi("Test User Agent", "testAuthToken", baseUrl.toString())
when: when:
def company = api.getCompanyByVatNumber("15027800") def company = api.getCompanyByVatNumber("15027800")
@ -127,7 +130,7 @@ class CvrApiSpec extends Specification {
setup: setup:
mockServer.enqueue(new MockResponse().setBody('')); mockServer.enqueue(new MockResponse().setBody(''));
HttpUrl baseUrl = mockServer.url("/v1/dk/"); HttpUrl baseUrl = mockServer.url("/v1/dk/");
api.baseUrl = baseUrl.toString() api = new CvrApi("Test User Agent", "testAuthToken", baseUrl.toString())
when: when:
def company = api.getCompanyByVatNumber("15027800") def company = api.getCompanyByVatNumber("15027800")
@ -140,6 +143,7 @@ class CvrApiSpec extends Specification {
setup: setup:
mockServer.enqueue(new MockResponse().setResponseCode(404)); mockServer.enqueue(new MockResponse().setResponseCode(404));
HttpUrl baseUrl = mockServer.url("/v1/dk/"); HttpUrl baseUrl = mockServer.url("/v1/dk/");
api = new CvrApi("Test User Agent", "testAuthToken", baseUrl.toString())
when: when:
def company = api.get(baseUrl.toString()) def company = api.get(baseUrl.toString())
@ -153,7 +157,7 @@ class CvrApiSpec extends Specification {
setup: setup:
mockServer.enqueue(new MockResponse().setResponseCode(401)); mockServer.enqueue(new MockResponse().setResponseCode(401));
HttpUrl baseUrl = mockServer.url("/v1/dk/"); HttpUrl baseUrl = mockServer.url("/v1/dk/");
api.baseUrl = baseUrl.toString() api = new CvrApi("Test User Agent", "testAuthToken", baseUrl.toString())
when: when:
def company = api.get(baseUrl.toString()) def company = api.get(baseUrl.toString())
@ -167,7 +171,7 @@ class CvrApiSpec extends Specification {
setup: setup:
mockServer.enqueue(new MockResponse().setResponseCode(405)); mockServer.enqueue(new MockResponse().setResponseCode(405));
HttpUrl baseUrl = mockServer.url("/v1/dk/"); HttpUrl baseUrl = mockServer.url("/v1/dk/");
api.baseUrl = baseUrl.toString() api = new CvrApi("Test User Agent", "testAuthToken", baseUrl.toString())
when: when:
def company = api.get(baseUrl.toString()) def company = api.get(baseUrl.toString())