Issue checkstyle#161: upgraded pmd and copied main repo's configuration

checkstyle-sonar-plugin/config/pmd-main.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0"?>
+<ruleset name="PMD ruleset for Checkstyle"
+         xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0
+                             http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
+    <description>
+        PMD ruleset for Checkstyle main code (copy from main repo)
+    </description>
+    <exclude-pattern>.*/src/test/.*</exclude-pattern>
+    <rule ref="checkstyle-sonar-plugin/config/pmd.xml">
+      <!-- until https://github.com/checkstyle/sonar-checkstyle/issues/161 -->
+      <exclude name="CommentRequired"/>
+      <exclude name="AvoidCatchingGenericException"/>
+      <exclude name="AvoidFileStream"/>
+      <exclude name="ClassNamingConventions"/>
+      <exclude name="TooManyMethods"/>
+    </rule>
+
+</ruleset>

checkstyle-sonar-plugin/config/pmd-test.xml

@@ -0,0 +1,73 @@
+<?xml version="1.0"?>
+<ruleset name="PMD ruleset for Checkstyle"
+         xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0
+                             http://pmd.sourceforge.net/ruleset_2_0_0.xsd">
+    <description>
+        PMD ruleset for Checkstyle tests (copy from main repo)
+    </description>
+    <exclude-pattern>.*/src/main/.*</exclude-pattern>
+
+    <rule ref="checkstyle-sonar-plugin/config/pmd.xml">
+        <!--We do throws Exception, as any exception that in not caught in test should fail
+            a test that is expected behavior and we like it as it follow fail-fast and helps
+            to avoid extra catch blocks-->
+        <exclude name="SignatureDeclareThrowsException"/>
+        <!--it madness to move all string values to common variables,
+            it will be hard to read test code-->
+        <exclude name="AvoidDuplicateLiterals"/>
+        <!--we do not need javadoc on test code-->
+        <exclude name="CommentRequired"/>
+        <!--we like static imports in UTs as them minimize the code and we know that most of
+            such methods are from UT+moks frameworks-->
+        <exclude name="TooManyStaticImports"/>
+        <!--we try to keep all testing for class in one place/class/file to ease navigation
+            between target class and it's test-->
+        <exclude name="TooManyMethods"/>
+        <!--we have too much UTs for each main class, it is better to keep all tests in one
+            file to ease navigation and search for tes-->
+        <exclude name="CouplingBetweenObjects"/>
+        <!--we have too much UTs for each main class, it is better to keep all tests in one
+            file to ease navigation and search for test-->
+        <exclude name="ExcessiveImports"/>
+        <!--checkstyle do not use IP in configuration, so all values in tests are ok to use,
+            they just another test string data-->
+        <exclude name="AvoidUsingHardCodedIP"/>
+        <!--UTests are required to be public by design-->
+        <exclude name="ExcessivePublicCount"/>
+        <!--we have too much UTs for each main class, it is better to keep all tests in one
+            file to ease navigation and search for test-->
+        <exclude name="ExcessiveClassLength"/>
+        <!--we want to avoid wide throws signature, it is just test-->
+        <exclude name="AvoidCatchingGenericException"/>
+        <!--we do not want invest extra time to make logic ideal in test method, may be later...-->
+        <exclude name="NPathComplexity"/>
+        <!--conflicts with checkstyle rule-->
+        <exclude name="JUnitUseExpected"/>
+        <!--will be addressed in https://github.com/checkstyle/checkstyle/projects/5-->
+        <exclude name="NonThreadSafeSingleton"/>
+        <!-- too much false positives -->
+        <exclude name="JUnitAssertionsShouldIncludeMessage"/>
+        <!-- verify from another library is used -->
+        <exclude name="JUnitTestsShouldIncludeAssert"/>
+        <!-- until https://github.com/checkstyle/sonar-checkstyle/issues/161 -->
+        <exclude name="AvoidFileStream"/>
+    </rule>
+
+    <rule ref="category/java/design.xml/NcssCount">
+        <properties>
+            <!-- We want to keep it all in one place. -->
+            <property name="classReportLevel" value="1000"/>
+            <!-- A big enough value to satisfy the most cases. -->
+            <property name="methodReportLevel" value="100"/>
+        </properties>
+    </rule>
+
+    <rule ref="category/java/bestpractices.xml/JUnitTestContainsTooManyAsserts">
+        <properties>
+            <property name="maximumAsserts" value="15"/>
+        </properties>
+    </rule>
+
+</ruleset>