Validate Bitbucket Server version before trying to decorate PR

Author: goober

src/main/java/com/github/goober/sonarqube/plugin/decorator/bitbucket/BitbucketClient.java

@@ -3,6 +3,7 @@
 import com.fasterxml.jackson.annotation.JsonInclude.Include;
 import com.fasterxml.jackson.databind.DeserializationFeature;
 import com.fasterxml.jackson.databind.ObjectMapper;
+import com.github.goober.sonarqube.plugin.decorator.bitbucket.model.ServerProperties;
 import com.github.goober.sonarqube.plugin.decorator.bitbucket.model.CreateAnnotationsRequest;
 import com.github.goober.sonarqube.plugin.decorator.bitbucket.model.CreateReportRequest;
 import okhttp3.MediaType;
@@ -38,6 +39,19 @@ boolean isConfigured() {
                 configuration.hasKey(BitbucketProperties.TOKEN.getKey());
     }
 
+    ServerProperties getServerProperties() throws IOException {
+        Request req = new Request.Builder()
+                .get()
+                .url(format("%s/rest/api/1.0/application-properties", baseUrl()))
+                .build();
+        try(Response response = getClient().newCall(req).execute()) {
+            validate(response);
+
+            return getObjectMapper().reader().forType(ServerProperties.class)
+                    .readValue(response.body().string());
+        }
+    }
+
     void createReport(String project, String repository, String commit, CreateReportRequest request) throws IOException {
         String body = getObjectMapper().writeValueAsString(request);
         Request req = new Request.Builder()

src/main/java/com/github/goober/sonarqube/plugin/decorator/bitbucket/BitbucketPullRequestDecorator.java

@@ -3,11 +3,13 @@
 import com.github.goober.sonarqube.plugin.decorator.PullRequestDecorator;
 import com.github.goober.sonarqube.plugin.decorator.bitbucket.model.CreateAnnotationsRequest;
 import com.github.goober.sonarqube.plugin.decorator.sonarqube.SonarQubeClient;
+import com.github.goober.sonarqube.plugin.decorator.bitbucket.model.ServerProperties;
 import org.sonar.api.utils.log.Logger;
 import org.sonar.api.utils.log.Loggers;
 
 import java.io.IOException;
 
+import static java.lang.String.format;
 public class BitbucketPullRequestDecorator implements PullRequestDecorator {
 
     private static final Logger LOGGER = Loggers.get(BitbucketPullRequestDecorator.class);
@@ -22,7 +24,7 @@ public BitbucketPullRequestDecorator(SonarQubeClient sonarqubeClient, BitbucketC
 
     @Override
     public boolean isActivated() {
-        return bitbucketClient.isConfigured();
+        return bitbucketClient.isConfigured() && hasApiSupport();
     }
 
     @Override
@@ -56,6 +58,21 @@ public void decorate(ProjectAnalysis analysis) {
 
         } catch (IOException e) {
             LOGGER.error("Could not decorate pull request {}, in project {}", report.getPullRequestId(), analysis.getProject().getKey(), e);
+    private boolean hasApiSupport() {
+        try {
+            ServerProperties server = bitbucketClient.getServerProperties();
+            LOGGER.debug(format("Your Bitbucket Server installation is version %s", server.getVersion()));
+            if (server.hasCodeInsightsApi()) {
+                return true;
+            } else {
+                LOGGER.info("Bitbucket Server version is to old. %s is the minimum version that supports code insights",
+                        ServerProperties.CODE_INSIGHT_VERSION);
+            }
+        } catch (IOException e) {
+            LOGGER.error("Could not determine Bitbucket Server version", e);
+            return false;
         }
+        return false;
     }
+
 }

src/main/java/com/github/goober/sonarqube/plugin/decorator/bitbucket/model/ServerProperties.java

@@ -0,0 +1,29 @@
+package com.github.goober.sonarqube.plugin.decorator.bitbucket.model;
+
+import lombok.AllArgsConstructor;
+import lombok.Value;
+
+import static java.lang.String.format;
+
+@Value
+@AllArgsConstructor
+public class ServerProperties {
+    private static final int CODE_INSIGHT_MAJOR_VERSION = 5;
+    private static final int CODE_INSIGHT_MINOR_VERSION = 15;
+
+    public static String CODE_INSIGHT_VERSION = format("%d.%d",
+            CODE_INSIGHT_MAJOR_VERSION,
+            CODE_INSIGHT_MINOR_VERSION);
+
+    String version;
+
+    public boolean hasCodeInsightsApi() {
+        String[] semver = semver(version);
+        return Integer.parseInt(semver[0]) >= CODE_INSIGHT_MAJOR_VERSION &&
+                Integer.parseInt(semver[1]) >= CODE_INSIGHT_MINOR_VERSION;
+    }
+
+    private String[] semver(String v) {
+        return v.split("\\.");
+    }
+}