QUA-431: update sonar java plugin to 6.12

Author: dantevvp

build.gradle

@@ -33,10 +33,10 @@ build.dependsOn(infra)
 test.dependsOn(infra)
 
 dependencies {
-    compile("com.github.codeclimate:codeclimate-ss-analyzer-wrapper:channel-sonar-5-14-SNAPSHOT")
+    compile("com.github.codeclimate:codeclimate-ss-analyzer-wrapper:sonar-wrapper-update-SNAPSHOT")
 
     // Plugins
-    compile("org.sonarsource.java:sonar-java-plugin:5.14.0.18788")
+    compile("org.sonarsource.java:sonar-java-plugin:6.12.0.24852")
 
     testCompile("org.assertj:assertj-core:2.8.0")
     testCompile("org.skyscreamer:jsonassert:1.5.0")

src/test/java/integration/JavaSourceVersion.java

@@ -17,4 +17,10 @@ public void specify_java_11_source_version_through_config() throws Exception {
         Shell.Process process = Shell.execute("build/codeclimate-sonar fixtures/java_source_version fixtures/java_source_version/config_11.json");
         assertThat(process.stderr).contains("Configured Java source version (sonar.java.source): 11");
     }
+
+    @Test
+    public void specify_java_15_source_version_through_config() throws Exception {
+        Shell.Process process = Shell.execute("build/codeclimate-sonar fixtures/java_source_version fixtures/java_source_version/config_15.json");
+        assertThat(process.stderr).contains("Configured Java source version (sonar.java.source): 15");
+    }
 }

src/test/resources/sanity_check_expected_issues.json

@@ -1,11 +1,11 @@
 [
   {
     "type": "issue",
-    "check_name": "squid:S106",
+    "check_name": "java:S106",
     "severity": "major",
     "description": "Replace this use of System.out or System.err by a logger.",
     "content": {
-      "body": "<p>When logging a message there are several important requirements which must be fulfilled:</p>\n<ul>\n  <li> The user must be able to easily retrieve the logs </li>\n  <li> The format of all logged message must be uniform to allow the user to easily read the log </li>\n  <li> Logged data must actually be recorded </li>\n  <li> Sensitive data must only be logged securely </li>\n</ul>\n<p>If a program directly writes to the standard outputs, there is absolutely no way to comply with those requirements. That's why defining and using a\ndedicated logger is highly recommended.</p>\n<h2>Noncompliant Code Example</h2>\n<pre>\nSystem.out.println(\"My Message\");  // Noncompliant\n</pre>\n<h2>Compliant Solution</h2>\n<pre>\nlogger.log(\"My Message\");\n</pre>\n<h2>See</h2>\n<ul>\n  <li> <a href=\"https://www.securecoding.cert.org/confluence/x/RoElAQ\">CERT, ERR02-J.</a> - Prevent exceptions while logging data </li>\n</ul>"
+      "body": "<p>When logging a message there are several important requirements which must be fulfilled:</p>\n<ul>\n  <li> The user must be able to easily retrieve the logs </li>\n  <li> The format of all logged message must be uniform to allow the user to easily read the log </li>\n  <li> Logged data must actually be recorded </li>\n  <li> Sensitive data must only be logged securely </li>\n</ul>\n<p>If a program directly writes to the standard outputs, there is absolutely no way to comply with those requirements. That's why defining and using a\ndedicated logger is highly recommended.</p>\n<h2>Noncompliant Code Example</h2>\n<pre>\nSystem.out.println(\"My Message\");  // Noncompliant\n</pre>\n<h2>Compliant Solution</h2>\n<pre>\nlogger.log(\"My Message\");\n</pre>\n<h2>See</h2>\n<ul>\n  <li> <a href=\"https://wiki.sei.cmu.edu/confluence/x/nzdGBQ\">CERT, ERR02-J.</a> - Prevent exceptions while logging data </li>\n</ul>"
     },
     "location": {
       "path": "main/java/Library.java",
@@ -20,7 +20,7 @@
   },
   {
     "type": "issue",
-    "check_name": "squid:S1134",
+    "check_name": "java:S1134",
     "severity": "major",
     "description": "Take the required action to fix the issue indicated by this comment.",
     "content": {
@@ -39,7 +39,7 @@
   },
   {
     "type": "issue",
-    "check_name": "squid:S1186",
+    "check_name": "java:S1186",
     "severity": "critical",
     "description": "Add a nested comment explaining why this method is empty, throw an UnsupportedOperationException or complete the implementation.",
     "content": {