Update CheckStyle config

Author: malte-hansen

.editorconfig

@@ -1,15 +1,15 @@
-<?xml version="1.0"?>
-
-<!DOCTYPE suppressions PUBLIC
-  "-//Checkstyle//DTD SuppressionFilter Configuration 1.2//EN"
-  "https://checkstyle.org/dtds/suppressions_1_2.dtd">
-
-<suppressions>
-  <suppress checks="." files="[\\/]build[\\/]" />
-  <suppress checks="." files="[\\/]bin[\\/]" />
-  <suppress checks="." files="[\\/]target[\\/]" />
-  <suppress checks="." files="[\\/]src/test[\\/]" />
-  <suppress checks="." files="[\\/]src/main/java/io[\\/]" />
-  <suppress checks="." files="[\\/]code-analysis[\\/]" />
-  <suppress files="TestMain.java" checks="[a-zA-Z0-9]*"/>
-</suppressions>
+<?xml version="1.0"?>
+
+<!DOCTYPE suppressions PUBLIC
+  "-//Checkstyle//DTD SuppressionFilter Configuration 1.2//EN"
+  "https://checkstyle.org/dtds/suppressions_1_2.dtd">
+
+<suppressions>
+  <suppress checks="." files="[\\/]build[\\/]" />
+  <suppress checks="." files="[\\/]bin[\\/]" />
+  <suppress checks="." files="[\\/]target[\\/]" />
+  <suppress checks="." files="[\\/]src/test[\\/]" />
+  <suppress checks="." files="[\\/]src/integrationTest[\\/]" />
+  <suppress checks="." files="[\\/]src/main/java/io[\\/]" />
+  <suppress checks="." files="[\\/]src/main/java/net/explorviz/span/hash/HighwayHash.java" />
+</suppressions>

code-analysis/checkstyle-suppression.xml

@@ -0,0 +1,30 @@
+apply plugin: 'pmd'
+apply plugin: 'checkstyle'
+apply plugin: 'jacoco'
+
+jacocoTestReport {
+
+  executionData { tasks.withType(Test).findAll { it.jacoco.destinationFile.exists() }*.jacoco.destinationFile }
+
+  reports {
+    xml.required = true
+    html.required = true
+  }
+}
+
+pmd {
+  // Empty ruleset is necessary for exclude-pattern
+  // https://stackoverflow.com/questions/32247190/pmd-exclude-pattern-with-gradle
+  ruleSets = []
+  ruleSetFiles = files("code-analysis/pmd.xml")
+  ignoreFailures = false
+  toolVersion = "6.53.0"
+}
+
+checkstyle {
+  configDirectory = file("code-analysis")
+  configFile = file("code-analysis/checkstyle.xml")
+  maxWarnings = 0
+  ignoreFailures = false
+  toolVersion = "10.12.5"
+}