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package org.onap.ccsdk.dashboard.rest;
import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.stream.Stream;
import org.onap.ccsdk.dashboard.exceptions.BadRequestException;
import org.onap.ccsdk.dashboard.exceptions.DeploymentNotFoundException;
import org.onap.ccsdk.dashboard.exceptions.DownstreamException;
import org.onap.ccsdk.dashboard.exceptions.ServerErrorException;
import org.onap.ccsdk.dashboard.exceptions.ServiceAlreadyExistsException;
import org.onap.ccsdk.dashboard.model.deploymenthandler.DeploymentErrorResponse;
import org.onap.ccsdk.dashboard.model.deploymenthandler.DeploymentLink;
import org.onap.ccsdk.dashboard.model.deploymenthandler.DeploymentRequest;
import org.onap.ccsdk.dashboard.model.deploymenthandler.DeploymentResponse;
import org.onap.ccsdk.dashboard.model.deploymenthandler.DeploymentsListResponse;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpMethod;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.web.client.HttpClientErrorException;
import org.springframework.web.client.HttpServerErrorException;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.datatype.jdk8.Jdk8Module;
public class DeploymentHandlerClientImpl extends RestClientBase implements DeploymentHandlerClient {
private final String baseUrl;
//private final RestTemplate restTemplate;
private static final String DEPLOYMENTS = "dcae-deployments";
private static final String UPDATE_PATH = "dcae-deployment-update";
protected final ObjectMapper objectMapper = new ObjectMapper();
public DeploymentHandlerClientImpl(String webapiUrl) {
this(webapiUrl, null, null);
}
/**
* Builds a restTemplate. If username and password are supplied, uses basic
* HTTP authentication.
*
* @param webapiUrl
* URL of the web endpoint
* @param user
* user name; ignored if null
* @param pass
* password
*/
public DeploymentHandlerClientImpl(String webapiUrl, String user, String pass) {
super();
if (webapiUrl == null)
throw new IllegalArgumentException("Null URL not permitted");
URL url = null;
String urlScheme = "http";
try {
url = new URL(webapiUrl);
baseUrl = url.toExternalForm();
} catch (MalformedURLException ex) {
throw new RuntimeException("Failed to parse URL", ex);
}
urlScheme = webapiUrl.split(":")[0];
createRestTemplate(url, user, pass, urlScheme);
// Do not serialize null values
objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
// Register Jdk8Module() for Stream and Optional types
objectMapper.registerModule(new Jdk8Module());
}
public Stream<DeploymentLink> getDeployments() {
String url = buildUrl(new String[] {baseUrl, DEPLOYMENTS}, null);
ResponseEntity<DeploymentsListResponse> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<DeploymentsListResponse>() {
});
DeploymentsListResponse result = response.getBody();
return result.getDeployments().stream();
}
@Override
public Stream<DeploymentLink> getDeployments(String serviceTypeId) {
String url = buildUrl(new String[] {baseUrl, DEPLOYMENTS}, new String[] {"serviceTypeId", serviceTypeId});
ResponseEntity<DeploymentsListResponse> response = restTemplate.exchange(url, HttpMethod.GET, null,
new ParameterizedTypeReference<DeploymentsListResponse>() {
});
DeploymentsListResponse result = response.getBody();
return result.getDeployments().stream();
}
@Override
public DeploymentResponse putDeployment(String deploymentId, String tenant, DeploymentRequest deploymentRequest)
throws BadRequestException, ServiceAlreadyExistsException, ServerErrorException, DownstreamException {
String url = buildUrl(new String[] {baseUrl, DEPLOYMENTS, deploymentId}, new String[] {"cfy_tenant_name",tenant});
try {
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
ResponseEntity<DeploymentResponse> result = restTemplate.exchange(url, HttpMethod.PUT, new HttpEntity<DeploymentRequest>(deploymentRequest, headers),
new ParameterizedTypeReference<DeploymentResponse>() {
});
return result.getBody();
} catch(HttpServerErrorException | HttpClientErrorException e) {
DeploymentErrorResponse errBody = null;
String errMsg = "";
try {
errBody = objectMapper.readValue(e.getResponseBodyAsString(), DeploymentErrorResponse.class);
} catch (IOException e1) {
errBody = null;
}
if (errBody != null) {
errMsg = errBody.getMessage();
}
StringBuilder errDetails = new StringBuilder();
errDetails.append(e.getMessage()).append(" ").append(errMsg);
if (e.getStatusCode().value() == 400 || e.getStatusCode().value() == 415 || e.getStatusCode().value() == 404) {
throw new BadRequestException(errDetails.toString());
}
else if(e.getStatusCode().value() == 409) {
throw new ServiceAlreadyExistsException(errDetails.toString());
}
else if(e.getStatusCode().value() == 500) {
throw new ServerErrorException(errDetails.toString());
}
else if(e.getStatusCode().value() == 502 || e.getStatusCode().value() == 504) {
throw new DownstreamException(errDetails.toString());
}
}
return null;
}
@Override
public DeploymentResponse updateDeployment(String deploymentId, String tenant,
DeploymentRequest deploymentRequest) throws BadRequestException,
ServiceAlreadyExistsException,
ServerErrorException,
DownstreamException {
String url = buildUrl(new String[] {baseUrl, UPDATE_PATH, deploymentId}, new String[] {"cfy_tenant_name",tenant});
try {
HttpHeaders headers = new HttpHeaders();
headers.setContentType(MediaType.APPLICATION_JSON);
ResponseEntity<DeploymentResponse> result = restTemplate.exchange(url, HttpMethod.PUT, new HttpEntity<DeploymentRequest>(deploymentRequest, headers),
new ParameterizedTypeReference<DeploymentResponse>() {
});
return result.getBody();
} catch(HttpServerErrorException | HttpClientErrorException e) {
DeploymentErrorResponse errBody = null;
String errMsg = "";
try {
errBody = objectMapper.readValue(e.getResponseBodyAsString(), DeploymentErrorResponse.class);
} catch (IOException e1) {
errBody = null;
}
if (errBody != null) {
errMsg = errBody.getMessage();
}
StringBuilder errDetails = new StringBuilder();
errDetails.append(e.getMessage()).append(" ").append(errMsg);
if (e.getStatusCode().value() == 400 || e.getStatusCode().value() == 415 || e.getStatusCode().value() == 404) {
throw new BadRequestException(errDetails.toString());
}
else if(e.getStatusCode().value() == 409) {
throw new ServiceAlreadyExistsException(errDetails.toString());
}
else if(e.getStatusCode().value() == 500) {
throw new ServerErrorException(errDetails.toString());
}
else if(e.getStatusCode().value() == 502 || e.getStatusCode().value() == 504) {
throw new DownstreamException(errDetails.toString());
}
}
return null; // Perhaps this should be a proper JSON error response.
}
@Override
public void deleteDeployment(String deploymentId, String tenant)
throws BadRequestException, ServerErrorException, DownstreamException, DeploymentNotFoundException {
String url = buildUrl(new String[] {baseUrl, DEPLOYMENTS, deploymentId}, new String[] {"cfy_tenant_name",tenant, "ignore_failure", "true"});
try {
restTemplate.exchange(url, HttpMethod.DELETE, null,
new ParameterizedTypeReference<DeploymentResponse>() {
});
} catch(HttpServerErrorException | HttpClientErrorException e) {
DeploymentErrorResponse errBody = null;
String errMsg = "";
try {
errBody = objectMapper.readValue(e.getResponseBodyAsString(), DeploymentErrorResponse.class);
} catch (IOException e1) {
errBody = null;
}
if (errBody != null) {
errMsg = errBody.getMessage();
}
StringBuilder errDetails = new StringBuilder();
errDetails.append(e.getMessage()).append(" ").append(errMsg);
if (e.getStatusCode().value() == 400 || e.getStatusCode().value() == 415) {
throw new BadRequestException(errDetails.toString());
}
else if (e.getStatusCode().value() == 404) {
throw new DeploymentNotFoundException(e.getMessage());
}
else if(e.getStatusCode().value() == 500) {
throw new ServerErrorException(errDetails.toString());
}
else if(e.getStatusCode().value() == 502 || e.getStatusCode().value() == 504) {
throw new DownstreamException(errDetails.toString());
}
}
}
}
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