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package org.onap.vid.mso;
import com.att.eelf.configuration.EELFLogger;
import com.fasterxml.jackson.databind.ObjectMapper;
import org.apache.commons.codec.binary.Base64;
import org.eclipse.jetty.util.security.Password;
import org.onap.portalsdk.core.logging.logic.EELFLoggerDelegate;
import org.onap.portalsdk.core.util.SystemProperties;
import org.onap.vid.client.HttpBasicClient;
import org.onap.vid.client.HttpsBasicClient;
import org.onap.vid.mso.rest.RequestDetails;
import org.onap.vid.mso.rest.RestInterface;
import org.onap.vid.utils.Logging;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpMethod;
import javax.servlet.http.HttpServletRequest;
import javax.ws.rs.client.Client;
import javax.ws.rs.client.Entity;
import javax.ws.rs.client.Invocation;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.MultivaluedHashMap;
import javax.ws.rs.core.Response;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.Collections;
import java.util.Date;
import static org.onap.vid.utils.Logging.*;
/**
* Created by pickjonathan on 26/06/2017.
*/
public class RestMsoImplementation implements RestInterface {
/**
* The logger.
*/
EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(RestMsoImplementation.class);
final private EELFLogger outgoingRequestsLogger = Logging.getRequestsLogger("mso");
/**
* The Constant dateFormat.
*/
final static DateFormat dateFormat = new SimpleDateFormat("HH:mm:ss:SSSS");
/** The client. */
private static Client client = null;
/** The common headers. */
//private MultivaluedHashMap<String, Object> commonHeaders;
/**
* Instantiates a new mso rest interface.
*/
@SuppressWarnings("Duplicates")
@Override
public MultivaluedHashMap<String, Object> initMsoClient()
{
final String methodname = "initRestClient()";
final String username = SystemProperties.getProperty(MsoProperties.MSO_USER_NAME);
final String password = SystemProperties.getProperty(MsoProperties.MSO_PASSWORD);
final String mso_url = SystemProperties.getProperty(MsoProperties.MSO_SERVER_URL);
final String decrypted_password = Password.deobfuscate(password);
String authString = username + ":" + decrypted_password;
byte[] authEncBytes = Base64.encodeBase64(authString.getBytes());
String authStringEnc = new String(authEncBytes);
MultivaluedHashMap<String, Object> commonHeaders = new MultivaluedHashMap();
commonHeaders.put("Authorization", Collections.singletonList(("Basic " + authStringEnc)));
commonHeaders.put(requestIdHeaderKey, Collections.singletonList(getHttpServletRequest().getHeader(requestIdHeaderKey)));
//Pass calling application identifier to SO
commonHeaders.put("X-FromAppId", Collections.singletonList(SystemProperties.getProperty(SystemProperties.APP_DISPLAY_NAME)));
boolean use_ssl = true;
if ( (mso_url != null) && ( !(mso_url.isEmpty()) ) ) {
if ( mso_url.startsWith("https")) {
use_ssl = true;
}
else {
use_ssl = false;
}
}
if (client == null) {
try {
if ( use_ssl ) {
//logger.info(EELFLoggerDelegate.errorLogger, dateFormat.format(new Date()) + methodname + " getting HttpsBasicClient with username=" + username
// + " password=" + password);
client = HttpsBasicClient.getClient();
}
else {
//logger.info(EELFLoggerDelegate.errorLogger, dateFormat.format(new Date()) + methodname + " getting HttpsBasicClient with username=" + username
// + " password=" + password);
client = HttpBasicClient.getClient();
}
} catch (Exception e) {
logger.info(EELFLoggerDelegate.errorLogger, dateFormat.format(new Date()) + methodname + " Unable to get the SSL client");
}
}
return commonHeaders;
}
public <T> void Get (T t, String sourceId, String path, RestObject<T> restObject ) throws Exception {
String methodName = "Get";
logger.debug(EELFLoggerDelegate.debugLogger, methodName + " start");
String url="";
restObject.set(t);
url = SystemProperties.getProperty(MsoProperties.MSO_SERVER_URL) + path;
MultivaluedHashMap<String, Object> commonHeaders = initMsoClient();
Logging.logRequest(outgoingRequestsLogger, HttpMethod.GET, url);
final Response cres = client.target(url)
.request()
.accept("application/json")
.headers(commonHeaders)
.get();
Logging.logResponse(outgoingRequestsLogger, HttpMethod.GET, url, cres);
int status = cres.getStatus();
restObject.setStatusCode (status);
if (status == 200 || status == 202) {
t = (T) cres.readEntity(t.getClass());
restObject.set(t);
logger.debug(EELFLoggerDelegate.debugLogger, dateFormat.format(new Date()) + methodName + " REST api was successfull!");
} else {
throw new Exception(methodName + " with status="+ status + ", url= " + url );
}
logger.debug(EELFLoggerDelegate.debugLogger,methodName + " received status=" + status );
return;
}
public <T> RestObject<T> GetForObject(String sourceID, String path, Class<T> clazz) throws Exception {
final String methodName = getMethodName();
logger.debug(EELFLoggerDelegate.debugLogger, "start {}->{}({}, {}, {})", getMethodCallerName(), methodName, sourceID, path, clazz);
String url = SystemProperties.getProperty(MsoProperties.MSO_SERVER_URL) + path;
logger.debug(EELFLoggerDelegate.debugLogger, dateFormat.format(new Date()) + "<== " + methodName + " sending request to url= " + url);
MultivaluedHashMap<String, Object> commonHeaders = initMsoClient();
Logging.logRequest(outgoingRequestsLogger, HttpMethod.GET, url);
final Response cres = client.target(url)
.request()
.accept("application/json")
.headers(commonHeaders)
.get();
Logging.logResponse(outgoingRequestsLogger, HttpMethod.GET, url, cres);
final RestObject<T> restObject = cresToRestObject(cres, clazz);
int status = cres.getStatus();
if (status == 200 || status == 202) {
logger.debug(EELFLoggerDelegate.debugLogger, dateFormat.format(new Date()) + methodName + " REST api was successfull!");
} else {
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " with status="+status+", url="+url);
}
logger.debug(EELFLoggerDelegate.debugLogger,methodName + " received status=" + status );
return restObject;
}
@Override
public <T> void Delete(T t, Object r, String sourceID, String path, RestObject<T> restObject) {
String methodName = "Delete";
String url="";
Response cres = null;
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " start");
try {
MultivaluedHashMap<String, Object> commonHeaders = initMsoClient();
url = SystemProperties.getProperty(MsoProperties.MSO_SERVER_URL) + path;
Logging.logRequest(outgoingRequestsLogger, HttpMethod.DELETE, url, r);
cres = client.target(url)
.request()
.accept("application/json")
.headers(commonHeaders)
//.entity(r)
.build("DELETE", Entity.entity(r, MediaType.APPLICATION_JSON)).invoke();
Logging.logResponse(outgoingRequestsLogger, HttpMethod.DELETE, url, cres);
int status = cres.getStatus();
restObject.setStatusCode (status);
if (status == 404) { // resource not found
String msg = "Resource does not exist...: " + cres.getStatus();
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + msg);
} else if (status == 200 || status == 204){
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + "Resource " + url + " deleted");
} else if (status == 202) {
String msg = "Delete in progress: " + status;
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + msg);
}
else {
String msg = "Deleting Resource failed: " + status;
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + msg);
}
try {
t = (T) cres.readEntity(t.getClass());
restObject.set(t);
}
catch ( Exception e ) {
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " No response entity, this is probably ok, e="
+ e.getMessage());
}
}
catch (Exception e)
{
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " with url="+url+ ", Exception: " + e.toString());
throw e;
}
}
public <T> RestObject<T> PostForObject(Object requestDetails, String sourceID, String path, Class<T> clazz) throws RuntimeException {
logger.debug(EELFLoggerDelegate.debugLogger, "start {}->{}({}, {}, {}, {})", getMethodCallerName(), getMethodName(), requestDetails, sourceID, path, clazz);
RestObject<T> restObject = new RestObject<>();
Post(clazz, requestDetails, sourceID, path, restObject);
return restObject;
}
@Override
public <T> void Post(T t, Object r, String sourceID, String path, RestObject<T> restObject) throws RuntimeException {
logger.debug(EELFLoggerDelegate.debugLogger, "start {}->{}({}, {}, {}, {})", getMethodCallerName(), getMethodName(), t.getClass(), r, sourceID, path);
Post(t.getClass(), r, sourceID, path, restObject);
}
public Invocation.Builder prepareClient(String path, String methodName) {
MultivaluedHashMap<String, Object> commonHeaders = initMsoClient();
String url = SystemProperties.getProperty(MsoProperties.MSO_SERVER_URL) + path;
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " sending request to url= " + url);
// Change the content length
return client.target(url)
.request()
.accept("application/json")
.headers(commonHeaders);
}
public <T> void Post(Class<?> tClass, Object requestDetails, String sourceID, String path, RestObject<T> restObject) throws RuntimeException {
String methodName = "Post";
String url="";
try {
MultivaluedHashMap<String, Object> commonHeaders = initMsoClient();
url = SystemProperties.getProperty(MsoProperties.MSO_SERVER_URL) + path;
Logging.logRequest(outgoingRequestsLogger, HttpMethod.POST, url, requestDetails);
// Change the content length
final Response cres = client.target(url)
.request()
.accept("application/json")
.headers(commonHeaders)
.post(Entity.entity(requestDetails, MediaType.APPLICATION_JSON));
Logging.logResponse(outgoingRequestsLogger, HttpMethod.POST, url, cres);
final RestObject<T> cresToRestObject = cresToRestObject(cres, tClass);
restObject.set(cresToRestObject.get());
restObject.setStatusCode(cresToRestObject.getStatusCode());
restObject.setRaw(cresToRestObject.getRaw());
int status = cres.getStatus();
restObject.setStatusCode (status);
if ( status >= 200 && status <= 299 ) {
logger.info(EELFLoggerDelegate.errorLogger, dateFormat.format(new Date()) + "<== " + methodName + " REST api POST was successful!");
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " REST api POST was successful!");
} else {
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " with status="+status+", url="+url);
}
} catch (Exception e)
{
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " with url="+url+ ", Exception: " + e.toString());
throw e;
}
logger.debug(EELFLoggerDelegate.debugLogger, "end {}() => ({}){}", getMethodName(), tClass, restObject);
}
private <T> RestObject<T> cresToRestObject(Response cres, Class<?> tClass) {
RestObject<T> restObject = new RestObject<>();
String rawEntity = null;
try {
cres.bufferEntity();
rawEntity = cres.readEntity(String.class);
T t = (T) new ObjectMapper().readValue(rawEntity, tClass);
restObject.set(t);
}
catch ( Exception e ) {
try {
restObject.setRaw(rawEntity);
logger.debug(EELFLoggerDelegate.debugLogger, dateFormat.format(new Date()) + "<== " + getMethodCallerName() + " Error reading response entity as " + tClass + ": , e="
+ e.getMessage() + ", Entity=" + rawEntity);
} catch (Exception e2) {
logger.debug(EELFLoggerDelegate.debugLogger, dateFormat.format(new Date()) + "<== " + getMethodCallerName() + " No response entity, this is probably ok, e="
+ e.getMessage());
}
}
int status = cres.getStatus();
restObject.setStatusCode (status);
return restObject;
}
@Override
public <T> void Put(T t, org.onap.vid.changeManagement.RequestDetailsWrapper r, String sourceID, String path, RestObject<T> restObject) throws Exception {
String methodName = "Put";
String url="";
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " start");
// logRequest (r);
try {
MultivaluedHashMap<String, Object> commonHeaders = initMsoClient();
url = SystemProperties.getProperty(MsoProperties.MSO_SERVER_URL) + path;
Logging.logRequest(outgoingRequestsLogger, HttpMethod.PUT, url, r);
// Change the content length
final Response cres = client.target(url)
.request()
.accept("application/json")
.headers(commonHeaders)
//.header("content-length", 201)
//.header("X-FromAppId", sourceID)
.put(Entity.entity(r, MediaType.APPLICATION_JSON));
Logging.logResponse(outgoingRequestsLogger, HttpMethod.PUT, url, cres);
try {
t = (T) cres.readEntity(t.getClass());
restObject.set(t);
}
catch ( Exception e ) {
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " No response entity, this is probably ok, e="
+ e.getMessage());
}
int status = cres.getStatus();
restObject.setStatusCode (status);
if ( status >= 200 && status <= 299 ) {
logger.info(EELFLoggerDelegate.errorLogger, dateFormat.format(new Date()) + "<== " + methodName + " REST api POST was successful!");
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " REST api POST was successful!");
} else {
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " with status="+status+", url="+url);
}
} catch (Exception e)
{
logger.debug(EELFLoggerDelegate.debugLogger,dateFormat.format(new Date()) + "<== " + methodName + " with url="+url+ ", Exception: " + e.toString());
throw e;
}
}
}
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