SchedulerRestInterface class fix
[portal.git] / ecomp-portal-BE-common / src / main / java / org / onap / portalapp / portal / scheduler / SchedulerRestInterface.java
index 26e40c9..14dfebe 100644 (file)
  *
  * ============LICENSE_END============================================
  *
- * ECOMP is a trademark and service mark of AT&T Intellectual Property.
+ * 
  */
 package org.onap.portalapp.portal.scheduler;
 
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.JsonDeserializer;
 import java.util.Collections;
-
+import java.util.Date;
 import javax.security.auth.login.CredentialException;
 import javax.ws.rs.client.Client;
 import javax.ws.rs.client.Entity;
 import javax.ws.rs.core.MediaType;
 import javax.ws.rs.core.MultivaluedHashMap;
 import javax.ws.rs.core.Response;
-
+import lombok.NoArgsConstructor;
 import org.apache.commons.codec.binary.Base64;
 import org.apache.commons.lang.StringUtils;
-import org.drools.compiler.lang.DRL5Expressions.neg_operator_key_return;
 import org.eclipse.jetty.util.security.Password;
 import org.json.simple.JSONObject;
+import org.onap.portalapp.portal.logging.format.EPAppMessagesEnum;
 import org.onap.portalapp.portal.logging.logic.EPLogUtil;
 import org.onap.portalapp.portal.scheduler.client.HttpBasicClient;
 import org.onap.portalapp.portal.scheduler.client.HttpsBasicClient;
@@ -60,29 +63,40 @@ import org.springframework.http.HttpStatus;
 import org.springframework.stereotype.Service;
 import org.springframework.web.client.HttpClientErrorException;
 
+@SuppressWarnings("MalformedFormatString")
 @Service
+@NoArgsConstructor
 public class SchedulerRestInterface implements SchedulerRestInterfaceIfc {
-
+       private static final String APPLICATION_JSON = "application/json";
        private static final String PASSWORD_IS_EMPTY = "Password is Empty";
+       private static final String HTTP_CLIENT_ERROR = " HttpClientErrorException: Exception For the POST  ." 
+                                                                                                       + " MethodName: %APPLICATION_JSON, Url: %APPLICATION_JSON";
 
+       private static final EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(SchedulerRestInterface.class);
        private static Client client = null;
+       private static Gson gson = null;
 
        private MultivaluedHashMap<String, Object> commonHeaders;
 
-       /** The logger. */
-       static EELFLoggerDelegate logger = EELFLoggerDelegate.getLogger(SchedulerRestInterface.class);
+       private static void init() {
+               logger.debug(EELFLoggerDelegate.debugLogger, "initializing");
+               GsonBuilder builder = new GsonBuilder();
 
-       public SchedulerRestInterface() {
-               super();
+               // Register an adapter to manage the date types as long values
+               builder.registerTypeAdapter(Date.class,
+                       (JsonDeserializer<Date>) (json, typeOfT, context) -> new Date(json.getAsJsonPrimitive().getAsLong()));
+
+               gson = builder.create();
        }
 
        public void initRestClient() {
                logger.debug(EELFLoggerDelegate.debugLogger, "Starting to initialize rest client");
 
+               init();
+
                final String username;
                final String password;
 
-               String methodName = "initRestClient";
                /* Setting user name based on properties */
                String retrievedUsername = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULER_USER_NAME_VAL);
                if (retrievedUsername.isEmpty()) {
@@ -104,7 +118,7 @@ public class SchedulerRestInterface implements SchedulerRestInterfaceIfc {
                }
                try {
                        if (StringUtils.isBlank(password)) {
-                               throw new CredentialException(PASSWORD_IS_EMPTY); 
+                               throw new CredentialException(PASSWORD_IS_EMPTY);
                        }
                } catch (Exception ex) {
                        logger.error(EELFLoggerDelegate.errorLogger, "Unable to initialize rest client", ex);
@@ -113,8 +127,8 @@ public class SchedulerRestInterface implements SchedulerRestInterfaceIfc {
                byte[] authEncBytes = Base64.encodeBase64(authString.getBytes());
                String authStringEnc = new String(authEncBytes);
 
-               commonHeaders = new MultivaluedHashMap<String, Object>();
-               commonHeaders.put("Authorization", Collections.singletonList((Object) ("Basic " + authStringEnc)));
+               commonHeaders = new MultivaluedHashMap<>();
+               commonHeaders.put("Authorization", Collections.singletonList(("Basic " + authStringEnc)));
 
                try {
                        if (!username.isEmpty()) {
@@ -125,7 +139,7 @@ public class SchedulerRestInterface implements SchedulerRestInterfaceIfc {
                                client = HttpsBasicClient.getClient();
                        }
                } catch (Exception e) {
-                       logger.debug(EELFLoggerDelegate.debugLogger, "Unable to initialize rest client");
+                       logger.debug(EELFLoggerDelegate.debugLogger, "Unable to initialize rest client",e.getMessage());
 
                }
                logger.debug(EELFLoggerDelegate.debugLogger, "Client Initialized");
@@ -134,7 +148,7 @@ public class SchedulerRestInterface implements SchedulerRestInterfaceIfc {
 
        @SuppressWarnings("unchecked")
        public <T> void Get(T t, String sourceId, String path,
-                       org.onap.portalapp.portal.scheduler.restobjects.RestObject<T> restObject) throws Exception {
+                       org.onap.portalapp.portal.scheduler.restobjects.RestObject<T> restObject) {
 
                String methodName = "Get";
                String url = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULER_SERVER_URL_VAL) + path;
@@ -143,25 +157,41 @@ public class SchedulerRestInterface implements SchedulerRestInterfaceIfc {
                try {
                        initRestClient();
 
-                       final Response cres = client.target(url).request().accept("application/json").headers(commonHeaders).get();
+                       final Response cres = client.target(url).request().accept(APPLICATION_JSON).headers(commonHeaders).get();
 
                        int status = cres.getStatus();
                        restObject.setStatusCode(status);
 
-                       t = (T) cres.readEntity(t.getClass());
-                       if (t.equals("")) {
+                       if (cres.getEntity() != null) {
+                               try {
+                                       String str = (cres).readEntity(String.class);
+                                       if (t.getClass().getName().equals(String.class.getName())) {
+                                               t = (T) str;
+
+                                       } else {
+                                               t = (T) gson.fromJson(str, t.getClass());
+                                       }
+
+                               } catch (Exception e) {
+                                       EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeInvalidJsonInput, e);
+                               }
+                       } else {
+                               t = null;
+                               restObject.set(null);
+                       }
+
+                       if ("".equals(t)) {
                                restObject.set(null);
                        } else {
                                restObject.set(t);
                        }
                } catch (HttpClientErrorException e) {
                        String message = String.format(
-                                       " HttpClientErrorException: Exception For the POST  . MethodName: %s, Url: %s", methodName,url);
+                                       HTTP_CLIENT_ERROR, methodName, url);
                        logger.error(EELFLoggerDelegate.errorLogger, message, e);
                        EPLogUtil.schedulerAccessAlarm(logger, e.getStatusCode().value());
                } catch (Exception e) {
-                       String message = String.format(
-                                       "Exception For the POST . MethodName: %s, Url: %s", methodName,url);
+                       String message = String.format("Exception For the POST . MethodName: %APPLICATION_JSON, Url: %APPLICATION_JSON", methodName, url);
 
                        logger.error(EELFLoggerDelegate.errorLogger, message, e);
                        EPLogUtil.schedulerAccessAlarm(logger, HttpStatus.INTERNAL_SERVER_ERROR.value());
@@ -173,50 +203,60 @@ public class SchedulerRestInterface implements SchedulerRestInterfaceIfc {
        }
 
        @SuppressWarnings("unchecked")
-       public <T> void Post(T t, JSONObject requestDetails, String path, RestObject<T> restObject) throws Exception {
+       public <T> void Post(T t, JSONObject requestDetails, String path, RestObject<T> restObject) {
 
                String methodName = "Post";
                String url = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULER_SERVER_URL_VAL) + path;
-               logger.debug(EELFLoggerDelegate.debugLogger, "URL FOR POST : "+ url);
+               logger.debug(EELFLoggerDelegate.debugLogger, "URL FOR POST : " + url);
 
                try {
 
                        initRestClient();
 
                        // Change the content length
-                       final Response cres = client.target(url).request().accept("application/json").headers(commonHeaders)
+                       final Response cres = client.target(url).request().accept(APPLICATION_JSON).headers(commonHeaders)
                                        .post(Entity.entity(requestDetails, MediaType.APPLICATION_JSON));
 
-                       if (cres.getEntity() != null) {
-                               t = (T) cres.readEntity(t.getClass());
+                       if (cres != null && cres.getEntity() != null) {
+
+                               try {
+                                       String str = (cres).readEntity(String.class);
+                                       if (t.getClass().getName().equals(String.class.getName())) {
+                                               t = (T) str;
+
+                                       } else {
+                                               t = (T) gson.fromJson(str, t.getClass());
+                                       }
+
+                               } catch (Exception e) {
+                                       EPLogUtil.logEcompError(logger, EPAppMessagesEnum.BeInvalidJsonInput, e);
+                               }
                                restObject.set(t);
                        } else {
-                               t = null;
-                               restObject.set(t);
+                               restObject.set(null);
                        }
 
-                       int status = cres.getStatus();
+                       int status = cres != null ? cres.getStatus() : 0;
                        restObject.setStatusCode(status);
 
                        if (status >= 200 && status <= 299) {
-                               String message = String.format(
-                                               " REST api POST was successful!", methodName);
+                               String message = String.format(" REST api POST was successful!", methodName);
                                logger.debug(EELFLoggerDelegate.debugLogger, message);
 
                        } else {
-                               String message = String.format(
-                                               " FAILED with http status  . MethodName: %s, Status: %s, Url: %s", methodName,status,url);
+                               String message = String.format(" FAILED with http status  . MethodName: %APPLICATION_JSON, Status: %APPLICATION_JSON, Url: %APPLICATION_JSON",
+                                               methodName, status, url);
                                logger.debug(EELFLoggerDelegate.debugLogger, message);
                        }
 
                } catch (HttpClientErrorException e) {
                        String message = String.format(
-                                       " HttpClientErrorException: Exception For the POST  . MethodName: %s, Url: %s", methodName,url);
+                                       HTTP_CLIENT_ERROR, methodName, url);
                        logger.error(EELFLoggerDelegate.errorLogger, message, e);
                        EPLogUtil.schedulerAccessAlarm(logger, e.getStatusCode().value());
                } catch (Exception e) {
                        String message = String.format(
-                                       " HttpClientErrorException: Exception For the POST  . MethodName: %s, Url: %s", methodName,url);
+                                       HTTP_CLIENT_ERROR, methodName, url);
                        logger.error(EELFLoggerDelegate.errorLogger, message, e);
                        EPLogUtil.schedulerAccessAlarm(logger, HttpStatus.INTERNAL_SERVER_ERROR.value());
                        throw e;
@@ -225,6 +265,7 @@ public class SchedulerRestInterface implements SchedulerRestInterfaceIfc {
 
        @Override
        public void logRequest(JSONObject requestDetails) {
+               throw new UnsupportedOperationException();
        }
 
        @SuppressWarnings("unchecked")
@@ -232,18 +273,16 @@ public class SchedulerRestInterface implements SchedulerRestInterfaceIfc {
 
                String methodName = "Delete";
                String url = "";
-               Response cres = null;
+               Response cres;
 
                try {
                        initRestClient();
 
                        url = SchedulerProperties.getProperty(SchedulerProperties.SCHEDULER_SERVER_URL_VAL) + path;
 
-                       cres = client.target(url).request().accept("application/json").headers(commonHeaders)
+                       cres = client.target(url).request().accept(APPLICATION_JSON).headers(commonHeaders)
                                        // .entity(r)
                                        .build("DELETE", Entity.entity(requestDetails, MediaType.APPLICATION_JSON)).invoke();
-                       // .method("DELETE", Entity.entity(r, MediaType.APPLICATION_JSON));
-                       // .delete(Entity.entity(r, MediaType.APPLICATION_JSON));
 
                        int status = cres.getStatus();
                        restObject.setStatusCode(status);
@@ -263,8 +302,4 @@ public class SchedulerRestInterface implements SchedulerRestInterfaceIfc {
                }
        }
 
-       public <T> T getInstance(Class<T> clazz) throws IllegalAccessException, InstantiationException {
-               return clazz.newInstance();
-       }
-
 }