Replace Jackson with GSON

Change-Id: Ifffe7aca1116e2706d66ecb682697df521785b57
Issue-ID: HOLMES-115
Signed-off-by: YiLi <li.yi101@zte.com.cn>

3 files changed, 36 insertions, 43 deletions

diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/bean/response/RuleQueryListResponse.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/bean/response/RuleQueryListResponse.java
index 17903ab..aab6dc5 100644
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/bean/response/RuleQueryListResponse.java
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/bean/response/RuleQueryListResponse.java
@@ -15,20 +15,18 @@
  */

 package org.onap.holmes.rulemgt.bean.response;

 

-import com.fasterxml.jackson.annotation.JsonInclude;

-import com.fasterxml.jackson.annotation.JsonProperty;

+import com.google.gson.annotations.SerializedName;

 import lombok.Getter;

 import lombok.Setter;

 

 import java.util.ArrayList;

 import java.util.List;

 

-@JsonInclude(JsonInclude.Include.ALWAYS)

 @Getter

 @Setter

 public class RuleQueryListResponse {

-    @JsonProperty(value = "rules")

+    @SerializedName(value = "rules")

     private List<RuleResult4API> correlationRules = new ArrayList<RuleResult4API>();

-    @JsonProperty(value = "totalcount")

+    @SerializedName(value = "totalcount")

     private int totalCount;

 }

diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/dcae/DcaeConfigurationPolling.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/dcae/DcaeConfigurationPolling.java
index 97da7ee..d0513ca 100644
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/dcae/DcaeConfigurationPolling.java
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/dcae/DcaeConfigurationPolling.java
@@ -13,7 +13,6 @@
  */
 package org.onap.holmes.rulemgt.dcae;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
 import java.util.List;
 import javax.ws.rs.client.Client;
 import javax.ws.rs.client.ClientBuilder;
@@ -27,7 +26,7 @@ import org.onap.holmes.common.dcae.DcaeConfigurationQuery;
 import org.onap.holmes.common.dcae.entity.DcaeConfigurations;
 import org.onap.holmes.common.dcae.entity.Rule;
 import org.onap.holmes.common.exception.CorrelationException;
-import org.onap.holmes.common.utils.JacksonUtil;
+import org.onap.holmes.common.utils.GsonUtil;
 import org.onap.holmes.common.utils.Md5Util;
 import org.onap.holmes.rulemgt.bean.request.RuleCreateRequest;
 import org.onap.holmes.rulemgt.bean.response.RuleQueryListResponse;
@@ -56,7 +55,7 @@ public class DcaeConfigurationPolling implements Runnable {
         try {
             dcaeConfigurations = DcaeConfigurationQuery.getDcaeConfigurations(hostname);
             String md5 = Md5Util.md5(dcaeConfigurations);
-            if (prevResult && prevConfigMd5.equals(md5)){
+            if (prevResult && prevConfigMd5.equals(md5)) {
                 log.info("Operation aborted due to identical Configurations.");
                 return;
             }
@@ -64,8 +63,6 @@ public class DcaeConfigurationPolling implements Runnable {
             prevResult = false;
         } catch (CorrelationException e) {
             log.error("Failed to fetch DCAE configurations. " + e.getMessage(), e);
-        } catch (JsonProcessingException e) {
-            log.info("Failed to generate the MD5 information for new configurations.", e);
         }
         if (dcaeConfigurations != null) {
             RuleQueryListResponse ruleQueryListResponse = getAllCorrelationRules();
@@ -87,17 +84,13 @@ public class DcaeConfigurationPolling implements Runnable {
                 .readEntity(RuleQueryListResponse.class);
     }
 
-    private boolean addAllCorrelationRules(DcaeConfigurations dcaeConfigurations) throws CorrelationException {
+    private boolean addAllCorrelationRules(DcaeConfigurations dcaeConfigurations)
+            throws CorrelationException {
         boolean suc = false;
         for (Rule rule : dcaeConfigurations.getDefaultRules()) {
             RuleCreateRequest ruleCreateRequest = getRuleCreateRequest(rule);
             Client client = ClientBuilder.newClient(new ClientConfig());
-            String content = null;
-            try {
-                content = JacksonUtil.beanToJson(ruleCreateRequest);
-            } catch (JsonProcessingException e) {
-                throw new CorrelationException("Failed to convert the message object to a json string.", e);
-            }
+            String content = GsonUtil.beanToJson(ruleCreateRequest);
             WebTarget webTarget = client.target(url);
             Response response = webTarget.request(MediaType.APPLICATION_JSON)
                     .put(Entity.entity(content, MediaType.APPLICATION_JSON));
@@ -109,8 +102,8 @@ public class DcaeConfigurationPolling implements Runnable {
         return suc;
     }
 
-    private void deleteAllCorrelationRules(List<RuleResult4API> ruleResult4APIs){
-        ruleResult4APIs.forEach(correlationRule ->{
+    private void deleteAllCorrelationRules(List<RuleResult4API> ruleResult4APIs) {
+        ruleResult4APIs.forEach(correlationRule -> {
             Client client = ClientBuilder.newClient(new ClientConfig());
             WebTarget webTarget = client.target(url + "/" + correlationRule.getRuleId());
             webTarget.request(MediaType.APPLICATION_JSON).delete();
diff --git a/rulemgt/src/main/java/org/onap/holmes/rulemgt/resources/RuleMgtResources.java b/rulemgt/src/main/java/org/onap/holmes/rulemgt/resources/RuleMgtResources.java
index dc21e0d..041377f 100644
--- a/rulemgt/src/main/java/org/onap/holmes/rulemgt/resources/RuleMgtResources.java
+++ b/rulemgt/src/main/java/org/onap/holmes/rulemgt/resources/RuleMgtResources.java
@@ -5,7 +5,7 @@
  * 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

+ * 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,

@@ -20,7 +20,6 @@ import io.swagger.annotations.Api;
 import io.swagger.annotations.ApiOperation;

 import io.swagger.annotations.ApiParam;

 import io.swagger.annotations.SwaggerDefinition;

-import java.io.IOException;

 import java.util.Locale;

 import javax.inject.Inject;

 import javax.servlet.http.HttpServletRequest;

@@ -39,7 +38,7 @@ import net.sf.json.JSONObject;
 import org.jvnet.hk2.annotations.Service;

 import org.onap.holmes.common.exception.CorrelationException;

 import org.onap.holmes.common.utils.ExceptionUtil;

-import org.onap.holmes.common.utils.JacksonUtil;

+import org.onap.holmes.common.utils.GsonUtil;

 import org.onap.holmes.common.utils.LanguageUtil;

 import org.onap.holmes.common.utils.UserUtil;

 import org.onap.holmes.rulemgt.bean.request.RuleCreateRequest;

@@ -68,9 +67,10 @@ public class RuleMgtResources {
             response = RuleAddAndUpdateResponse.class)

     @Timed

     public RuleAddAndUpdateResponse addCorrelationRule(@Context HttpServletRequest request,

-            @ApiParam(value = "The request entity of the HTTP call, which comprises \"rulename\"(required), "

-                    + "\"loopcontrolname\"(required), \"content\"(required), \"enabled\"(required) "

-                    + "and \"description\"(optional)", required = true)

+            @ApiParam(value =

+                    "The request entity of the HTTP call, which comprises \"rulename\"(required), "

+                            + "\"loopcontrolname\"(required), \"content\"(required), \"enabled\"(required) "

+                            + "and \"description\"(optional)", required = true)

                     RuleCreateRequest ruleCreateRequest) {

         Locale locale = LanguageUtil.getLocale(request);

         RuleAddAndUpdateResponse ruleChangeResponse;

@@ -90,13 +90,15 @@ public class RuleMgtResources {
     @ApiOperation(value = "Update an existing rule; deploy it to the Drools engine if it is enabled.", response = RuleAddAndUpdateResponse.class)

     @Timed

     public RuleAddAndUpdateResponse updateCorrelationRule(@Context HttpServletRequest request,

-            @ApiParam(value = "The request entity of the HTTP call, which comprises \"ruleid\"(required), "

-                    + "\"content\"(required), \"enabled\"(required) and \"description\"(optional)", required = true)

+            @ApiParam(value =

+                    "The request entity of the HTTP call, which comprises \"ruleid\"(required), "

+                            + "\"content\"(required), \"enabled\"(required) and \"description\"(optional)", required = true)

                     RuleUpdateRequest ruleUpdateRequest) {

         Locale locale = LanguageUtil.getLocale(request);

         RuleAddAndUpdateResponse ruleChangeResponse;

         try {

-            ruleChangeResponse = ruleMgtWrapper.updateCorrelationRule(UserUtil.getUserName(request), ruleUpdateRequest);

+            ruleChangeResponse = ruleMgtWrapper

+                    .updateCorrelationRule(UserUtil.getUserName(request), ruleUpdateRequest);

             log.info("update rule:" + ruleUpdateRequest.getRuleId() + " successful");

             return ruleChangeResponse;

         } catch (CorrelationException e) {

@@ -128,9 +130,10 @@ public class RuleMgtResources {
     @ApiOperation(value = "Query rules using certain criteria.", response = RuleQueryListResponse.class)

     @Timed

     public RuleQueryListResponse getCorrelationRules(@Context HttpServletRequest request,

-            @ApiParam(value = "A JSON string used as a query parameter, which comprises \"ruleid\"(optional), "

-                    + "\"rulename\"(optional), \"creator\"(optional), "

-                    + "\"modifier\"(optional) and \"enabled\"(optional). E.g. {\"ruleid\":\"rule_1484727187317\"}",

+            @ApiParam(value =

+                    "A JSON string used as a query parameter, which comprises \"ruleid\"(optional), "

+                            + "\"rulename\"(optional), \"creator\"(optional), "

+                            + "\"modifier\"(optional) and \"enabled\"(optional). E.g. {\"ruleid\":\"rule_1484727187317\"}",

                     required = false) @QueryParam("queryrequest") String ruleQueryRequest) {

         Locale locale = LanguageUtil.getLocale(request);

         RuleQueryListResponse ruleQueryListResponse;

@@ -138,7 +141,8 @@ public class RuleMgtResources {
         try {

             ruleQueryListResponse = ruleMgtWrapper

                     .getCorrelationRuleByCondition(ruleQueryCondition);

-            log.info("query rule successful by condition:" + JSONObject.fromObject(ruleQueryCondition));

+            log.info("query rule successful by condition:" + JSONObject

+                    .fromObject(ruleQueryCondition));

             return ruleQueryListResponse;

         } catch (CorrelationException e) {

             log.error("query rule failed,cause query condition conversion failure", e);

@@ -149,18 +153,16 @@ public class RuleMgtResources {
     private RuleQueryCondition getRuleQueryCondition(String queryRequest,

             HttpServletRequest request) {

         Locale locale = LanguageUtil.getLocale(request);

-        try {

-            RuleQueryCondition ruleQueryCondition = JacksonUtil

-                    .jsonToBean(queryRequest, RuleQueryCondition.class);

-            if (queryRequest == null) {

-                ruleQueryCondition.setEnabled(RuleMgtConstant.STATUS_RULE_ALL);

-            } else if (queryRequest.indexOf("enabled") == -1) {

-                ruleQueryCondition.setEnabled(RuleMgtConstant.STATUS_RULE_ALL);

+

+        RuleQueryCondition ruleQueryCondition = GsonUtil.jsonToBean(queryRequest, RuleQueryCondition.class);

+        if (queryRequest == null) {

+            if(ruleQueryCondition==null){

+                ruleQueryCondition = new RuleQueryCondition();

             }

-            return ruleQueryCondition;

-        } catch (IOException e) {

-            log.warn("queryRequest convert to json failed", e);

-            throw ExceptionUtil.buildExceptionResponse("The request format is invalid!");

+            ruleQueryCondition.setEnabled(RuleMgtConstant.STATUS_RULE_ALL);

+        } else if (queryRequest.indexOf("enabled") == -1) {

+            ruleQueryCondition.setEnabled(RuleMgtConstant.STATUS_RULE_ALL);

         }

+        return ruleQueryCondition;

     }

 }