Introduce coding style and checkstyle rules

Change-Id: I1e67065393cdb901b81d5c5f8f3cec42f1b39fc8
Signed-off-by: Maros Marsalek <mmarsale@cisco.com>

7 files changed, 490 insertions, 0 deletions

diff --git a/common/checkstyle/pom.xml b/common/checkstyle/pom.xml
new file mode 100644
index 000000000..8580e89e0
--- /dev/null
+++ b/common/checkstyle/pom.xml
@@ -0,0 +1,15 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <parent>
+    <groupId>org.opendaylight.odlparent</groupId>
+    <artifactId>odlparent-lite</artifactId>
+    <version>1.6.2-Beryllium-SR2</version>
+    <relativePath/>
+  </parent>
+
+  <groupId>io.fd.honeycomb.common</groupId>
+  <artifactId>honeycomb-checkstyle</artifactId>
+  <version>1.0.0-SNAPSHOT</version>
+
+</project>
diff --git a/common/checkstyle/src/main/resources/HONEYCOMB_LICENSE.txt b/common/checkstyle/src/main/resources/HONEYCOMB_LICENSE.txt
new file mode 100644
index 000000000..9c84910ae
--- /dev/null
+++ b/common/checkstyle/src/main/resources/HONEYCOMB_LICENSE.txt
@@ -0,0 +1,15 @@
+^/[*]+$
+^ \* Copyright (\([cC]\)|©) [0-9]{4}(, [0-9]{4})? .*$
+^ \*( )?$
+^ \* Licensed under the Apache License, Version 2.0 \(the \"License\"\);
+^ \* 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
+^ \*
+^ \* Unless required by applicable law or agreed to in writing, software
+^ \* distributed under the License is distributed on an "AS IS" BASIS,
+^ \* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+^ \* See the License for the specific language governing permissions and
+^ \* limitations under the License.
+^ [*]+/$
\ No newline at end of file
diff --git a/common/checkstyle/src/main/resources/README.adoc b/common/checkstyle/src/main/resources/README.adoc
new file mode 100644
index 000000000..d33f39efc
--- /dev/null
+++ b/common/checkstyle/src/main/resources/README.adoc
@@ -0,0 +1,6 @@
+= Honeycomb coding resources
+
+* intellij-java-coding-style.xml Can be imported into Intellij IDEA to ensure Honeycomb coding style during development
+* checkstyle.xml Checkstyle config ensuring above HOneycomb coding style
+* checkstyle-license.xml Checkstyle config ensuring Honeycomb license (in HONEYCOMB_LICENSE.txt) header presence
+* checkstyle-logging.xml Checkstyle config ensuring ODL logging standards
\ No newline at end of file
diff --git a/common/checkstyle/src/main/resources/honeycomb-checkstyle-logging.xml b/common/checkstyle/src/main/resources/honeycomb-checkstyle-logging.xml
new file mode 100644
index 000000000..79bdbfd7a
--- /dev/null
+++ b/common/checkstyle/src/main/resources/honeycomb-checkstyle-logging.xml
@@ -0,0 +1,67 @@
+<?xml version="1.0"?>
+<!--
+  ~ Copyright (c) 2016 Cisco Systems, Inc. All rights reserved.
+  ~
+  -->
+
+<!DOCTYPE module PUBLIC
+        "-//Puppy Crawl//DTD Check Configuration 1.2//EN"
+        "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
+
+<module name="Checker">
+
+    <property name="severity" value="error"/>
+
+    <module name="RegexpMultiline">
+        <property name="format" value="System\.(out)|(err)\.print(ln)?\("/>
+        <property name="message" value="Line contains console output."/>
+    </module>
+
+    <module name="RegexpMultiline">
+        <property name="format" value="\.printStackTrace?\("/>
+        <property name="message" value="Line contains printStacktrace()."/>
+    </module>
+
+    <module name="TreeWalker">
+        <module name="org.opendaylight.yangtools.checkstyle.LoggerVariableNameCheck" />
+    </module>
+
+    <module name="TreeWalker">
+        <module name="org.opendaylight.yangtools.checkstyle.LoggerVariableModifiersCheck" />
+    </module>
+
+    <module name="TreeWalker">
+        <module name="org.opendaylight.yangtools.checkstyle.LoggerMustBeSlf4jCheck" />
+    </module>
+
+    <module name="TreeWalker">
+        <module name="org.opendaylight.yangtools.checkstyle.LoggerFactoryClassParameterCheck" />
+    </module>
+
+    <module name="TreeWalker">
+        <module name="org.opendaylight.yangtools.checkstyle.LogMessageConcatenationCheck" />
+    </module>
+
+    <module name="TreeWalker">
+        <module name="org.opendaylight.yangtools.checkstyle.LogMessagePlaceholderCountCheck" />
+    </module>
+
+    <module name="TreeWalker">
+        <module name="org.opendaylight.yangtools.checkstyle.LoggerDeclarationsCountCheck"/>
+    </module>
+
+    <module name="FileTabCharacter">
+        <property name="eachLine" value="true"/>
+    </module>
+
+    <module name="RegexpSingleline">
+        <property name="format" value="\s+$"/>
+        <property name="message" value="Line has trailing spaces."/>
+    </module>
+
+    <module name="RegexpMultiline">
+        <property name="format" value="(\r\n|\r)"/>
+        <property name="message" value="Line has Windows line delimiter."/>
+    </module>
+
+</module>
\ No newline at end of file
diff --git a/common/checkstyle/src/main/resources/honeycomb-checkstyle.xml b/common/checkstyle/src/main/resources/honeycomb-checkstyle.xml
new file mode 100644
index 000000000..794606cbe
--- /dev/null
+++ b/common/checkstyle/src/main/resources/honeycomb-checkstyle.xml
@@ -0,0 +1,188 @@
+<?xml version="1.0"?>
+<!DOCTYPE module PUBLIC
+          "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
+          "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
+
+<!--
+    Checkstyle configuration for VCMTS, based on google java coding style
+ -->
+
+<module name = "Checker">
+    <property name="charset" value="UTF-8"/>
+
+    <property name="severity" value="warning"/>
+
+    <!-- Checks for whitespace                               -->
+    <!-- See http://checkstyle.sf.net/config_whitespace.html -->
+    <module name="FileTabCharacter">
+        <property name="eachLine" value="true"/>
+    </module>
+
+    <module name="SuppressWarningsFilter"/>
+    <module name="TreeWalker">
+        <module name="SuppressWarningsHolder" />
+        <module name="OuterTypeFilename"/>
+        <module name="IllegalTokenText">
+            <property name="tokens" value="STRING_LITERAL, CHAR_LITERAL"/>
+            <property name="format" value="\\u00(08|09|0(a|A)|0(c|C)|0(d|D)|22|27|5(C|c))|\\(0(10|11|12|14|15|42|47)|134)"/>
+            <property name="message" value="Avoid using corresponding octal or Unicode escape."/>
+        </module>
+        <module name="AvoidEscapedUnicodeCharacters">
+            <property name="allowEscapesForControlCharacters" value="true"/>
+            <property name="allowByTailComment" value="true"/>
+            <property name="allowNonPrintableEscapes" value="true"/>
+        </module>
+        <module name="LineLength">
+            <property name="max" value="120"/><!-- ODL projects use 120 max line length -->
+            <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
+        </module>
+        <module name="AvoidStarImport"/>
+        <module name="OneTopLevelClass"/>
+        <module name="NoLineWrap"/>
+        <module name="EmptyBlock">
+            <property name="option" value="TEXT"/>
+            <property name="tokens" value="LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_SWITCH"/>
+        </module>
+        <module name="NeedBraces"/>
+        <module name="LeftCurly">
+            <property name="maxLineLength" value="100"/>
+        </module>
+        <module name="RightCurly"/>
+        <module name="RightCurly">
+            <property name="option" value="alone"/>
+            <property name="tokens" value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_FOR, LITERAL_WHILE, LITERAL_DO, STATIC_INIT, INSTANCE_INIT"/>
+        </module>
+        <module name="WhitespaceAround">
+            <property name="allowEmptyConstructors" value="true"/>
+            <property name="allowEmptyMethods" value="true"/>
+            <property name="allowEmptyTypes" value="true"/>
+            <property name="allowEmptyLoops" value="true"/>
+            <message key="ws.notFollowed"
+                     value="WhitespaceAround: ''{0}'' is not followed by whitespace."/>
+            <message key="ws.notPreceded"
+                     value="WhitespaceAround: ''{0}'' is not preceded with whitespace."/>
+        </module>
+        <module name="OneStatementPerLine"/>
+        <module name="MultipleVariableDeclarations"/>
+        <module name="ArrayTypeStyle"/>
+        <module name="MissingSwitchDefault"/>
+        <module name="FallThrough"/>
+        <module name="UpperEll"/>
+        <module name="ModifierOrder"/>
+        <module name="EmptyLineSeparator">
+            <property name="allowNoEmptyLineBetweenFields" value="true"/>
+        </module>
+        <module name="SeparatorWrap">
+            <property name="tokens" value="DOT"/>
+            <property name="option" value="nl"/>
+        </module>
+        <module name="SeparatorWrap">
+            <property name="tokens" value="COMMA"/>
+            <property name="option" value="EOL"/>
+        </module>
+        <module name="PackageName">
+            <property name="format" value="^[a-z]+(\.[a-z][a-z0-9]*)*$"/>
+            <message key="name.invalidPattern"
+                     value="Package name ''{0}'' must match pattern ''{1}''."/>
+        </module>
+        <module name="TypeName">
+            <message key="name.invalidPattern"
+                     value="Type name ''{0}'' must match pattern ''{1}''."/>
+        </module>
+        <module name="MemberName">
+            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
+            <message key="name.invalidPattern"
+                     value="Member name ''{0}'' must match pattern ''{1}''."/>
+        </module>
+        <module name="ParameterName">
+            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
+            <message key="name.invalidPattern"
+                     value="Parameter name ''{0}'' must match pattern ''{1}''."/>
+        </module>
+        <module name="LocalVariableName">
+            <property name="tokens" value="VARIABLE_DEF"/>
+            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
+            <property name="allowOneCharVarInForLoop" value="true"/>
+            <message key="name.invalidPattern"
+                     value="Local variable name ''{0}'' must match pattern ''{1}''."/>
+        </module>
+        <module name="ClassTypeParameterName">
+            <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>
+            <message key="name.invalidPattern"
+                     value="Class type name ''{0}'' must match pattern ''{1}''."/>
+        </module>
+        <module name="MethodTypeParameterName">
+            <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>
+            <message key="name.invalidPattern"
+                     value="Method type name ''{0}'' must match pattern ''{1}''."/>
+        </module>
+        <module name="NoFinalizer"/>
+        <module name="GenericWhitespace">
+            <message key="ws.followed"
+                     value="GenericWhitespace ''{0}'' is followed by whitespace."/>
+            <message key="ws.preceded"
+                     value="GenericWhitespace ''{0}'' is preceded with whitespace."/>
+            <message key="ws.illegalFollow"
+                     value="GenericWhitespace ''{0}'' should followed by whitespace."/>
+            <message key="ws.notPreceded"
+                     value="GenericWhitespace ''{0}'' is not preceded with whitespace."/>
+        </module>
+        <module name="Indentation">
+            <property name="basicOffset" value="4"/>
+            <property name="braceAdjustment" value="0"/>
+            <property name="caseIndent" value="4"/>
+            <property name="throwsIndent" value="4"/>
+            <property name="lineWrappingIndentation" value="4"/>
+            <property name="arrayInitIndent" value="4"/>
+        </module>
+        <module name="AbbreviationAsWordInName">
+            <property name="ignoreFinal" value="false"/>
+            <property name="allowedAbbreviationLength" value="1"/>
+        </module>
+        <module name="OverloadMethodsDeclarationOrder"/>
+        <module name="VariableDeclarationUsageDistance"/>
+        <module name="UnusedImports"/>
+        <module name="CustomImportOrder">
+            <property name="thirdPartyPackageRegExp" value=".*"/>
+            <property name="sortImportsInGroupAlphabetically" value="true"/>
+            <property name="customImportOrderRules" value="STATIC###SPECIAL_IMPORTS"/>
+        </module>
+        <module name="MethodParamPad"/>
+        <module name="OperatorWrap">
+            <property name="option" value="NL"/>
+            <property name="tokens" value="BAND, BOR, BSR, BXOR, DIV, EQUAL, GE, GT, LAND, LE, LITERAL_INSTANCEOF, LOR, LT, MINUS, MOD, NOT_EQUAL, PLUS, QUESTION, SL, SR, STAR "/>
+        </module>
+        <module name="AnnotationLocation">
+            <property name="tokens" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF"/>
+        </module>
+        <module name="AnnotationLocation">
+            <property name="tokens" value="VARIABLE_DEF"/>
+            <property name="allowSamelineMultipleAnnotations" value="true"/>
+        </module>
+        <module name="NonEmptyAtclauseDescription"/>
+        <module name="JavadocTagContinuationIndentation"/>
+        <module name="SummaryJavadocCheck">
+            <property name="forbiddenSummaryFragments" value="^@return the *|^This method returns |^A [{]@code [a-zA-Z0-9]+[}]( is a )"/>
+        </module>
+        <module name="JavadocParagraph"/>
+        <module name="AtclauseOrder">
+            <property name="tagOrder" value="@param, @return, @throws, @deprecated"/>
+            <property name="target" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF, VARIABLE_DEF"/>
+        </module>
+        <module name="JavadocMethod">
+            <property name="scope" value="public"/>
+            <property name="allowMissingParamTags" value="true"/>
+            <property name="allowMissingThrowsTags" value="true"/>
+            <property name="allowMissingReturnTag" value="true"/>
+            <property name="minLineCount" value="2"/>
+            <property name="allowedAnnotations" value="Override, Test"/>
+            <property name="allowThrowsTagsForSubclasses" value="true"/>
+        </module>
+        <module name="MethodName">
+            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$"/>
+            <message key="name.invalidPattern"
+                     value="Method name ''{0}'' must match pattern ''{1}''."/>
+        </module>
+        <module name="SingleLineJavadoc"/>
+    </module>
+</module>
diff --git a/common/checkstyle/src/main/resources/intellij-java-coding-style.xml b/common/checkstyle/src/main/resources/intellij-java-coding-style.xml
new file mode 100644
index 000000000..06a3a21ec
--- /dev/null
+++ b/common/checkstyle/src/main/resources/intellij-java-coding-style.xml
@@ -0,0 +1,198 @@
+<code_scheme name="GoogleStyle">
+  <option name="JAVA_INDENT_OPTIONS">
+    <value>
+      <option name="INDENT_SIZE" value="4" />
+      <option name="CONTINUATION_INDENT_SIZE" value="4" />
+      <option name="TAB_SIZE" value="8" />
+      <option name="USE_TAB_CHARACTER" value="false" />
+      <option name="SMART_TABS" value="false" />
+      <option name="LABEL_INDENT_SIZE" value="0" />
+      <option name="LABEL_INDENT_ABSOLUTE" value="false" />
+      <option name="USE_RELATIVE_INDENTS" value="false" />
+    </value>
+  </option>
+  <option name="GENERATE_FINAL_LOCALS" value="true" />
+  <option name="GENERATE_FINAL_PARAMETERS" value="true" />
+  <option name="CLASS_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
+  <option name="NAMES_COUNT_TO_USE_IMPORT_ON_DEMAND" value="99" />
+  <option name="IMPORT_LAYOUT_TABLE">
+    <value>
+      <emptyLine />
+      <package name="" withSubpackages="true" static="true" />
+      <emptyLine />
+      <package name="" withSubpackages="true" static="false" />
+    </value>
+  </option>
+  <option name="JD_P_AT_EMPTY_LINES" value="false" />
+  <option name="JD_KEEP_EMPTY_PARAMETER" value="false" />
+  <option name="JD_KEEP_EMPTY_EXCEPTION" value="false" />
+  <option name="JD_KEEP_EMPTY_RETURN" value="false" />
+  <option name="KEEP_CONTROL_STATEMENT_IN_ONE_LINE" value="false" />
+  <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
+  <option name="BLANK_LINES_AFTER_CLASS_HEADER" value="1" />
+  <option name="ALIGN_MULTILINE_PARAMETERS_IN_CALLS" value="true" />
+  <option name="ALIGN_MULTILINE_BINARY_OPERATION" value="true" />
+  <option name="ALIGN_MULTILINE_ASSIGNMENT" value="true" />
+  <option name="ALIGN_MULTILINE_TERNARY_OPERATION" value="true" />
+  <option name="ALIGN_MULTILINE_THROWS_LIST" value="true" />
+  <option name="ALIGN_MULTILINE_EXTENDS_LIST" value="true" />
+  <option name="ALIGN_MULTILINE_PARENTHESIZED_EXPRESSION" value="true" />
+  <option name="ALIGN_MULTILINE_ARRAY_INITIALIZER_EXPRESSION" value="true" />
+  <option name="CALL_PARAMETERS_WRAP" value="1" />
+  <option name="METHOD_PARAMETERS_WRAP" value="1" />
+  <option name="EXTENDS_LIST_WRAP" value="1" />
+  <option name="THROWS_LIST_WRAP" value="1" />
+  <option name="EXTENDS_KEYWORD_WRAP" value="1" />
+  <option name="THROWS_KEYWORD_WRAP" value="1" />
+  <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
+  <option name="BINARY_OPERATION_WRAP" value="1" />
+  <option name="BINARY_OPERATION_SIGN_ON_NEXT_LINE" value="true" />
+  <option name="TERNARY_OPERATION_WRAP" value="1" />
+  <option name="TERNARY_OPERATION_SIGNS_ON_NEXT_LINE" value="true" />
+  <option name="FOR_STATEMENT_WRAP" value="1" />
+  <option name="ARRAY_INITIALIZER_WRAP" value="1" />
+  <option name="ASSIGNMENT_WRAP" value="5" />
+  <option name="WRAP_COMMENTS" value="true" />
+  <option name="IF_BRACE_FORCE" value="3" />
+  <option name="DOWHILE_BRACE_FORCE" value="3" />
+  <option name="WHILE_BRACE_FORCE" value="3" />
+  <option name="FOR_BRACE_FORCE" value="3" />
+  <XML>
+    <option name="XML_LEGACY_SETTINGS_IMPORTED" value="true" />
+  </XML>
+  <ADDITIONAL_INDENT_OPTIONS fileType="haml">
+    <option name="INDENT_SIZE" value="2" />
+  </ADDITIONAL_INDENT_OPTIONS>
+  <ADDITIONAL_INDENT_OPTIONS fileType="java">
+    <option name="CONTINUATION_INDENT_SIZE" value="4" />
+    <option name="TAB_SIZE" value="8" />
+  </ADDITIONAL_INDENT_OPTIONS>
+  <ADDITIONAL_INDENT_OPTIONS fileType="js">
+    <option name="CONTINUATION_INDENT_SIZE" value="4" />
+  </ADDITIONAL_INDENT_OPTIONS>
+  <ADDITIONAL_INDENT_OPTIONS fileType="sass">
+    <option name="INDENT_SIZE" value="2" />
+  </ADDITIONAL_INDENT_OPTIONS>
+  <ADDITIONAL_INDENT_OPTIONS fileType="yml">
+    <option name="INDENT_SIZE" value="2" />
+  </ADDITIONAL_INDENT_OPTIONS>
+  <codeStyleSettings language="ECMA Script Level 4">
+    <option name="KEEP_CONTROL_STATEMENT_IN_ONE_LINE" value="false" />
+    <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
+    <option name="BLANK_LINES_AFTER_CLASS_HEADER" value="1" />
+    <option name="ALIGN_MULTILINE_PARAMETERS_IN_CALLS" value="true" />
+    <option name="ALIGN_MULTILINE_BINARY_OPERATION" value="true" />
+    <option name="ALIGN_MULTILINE_ASSIGNMENT" value="true" />
+    <option name="ALIGN_MULTILINE_TERNARY_OPERATION" value="true" />
+    <option name="ALIGN_MULTILINE_THROWS_LIST" value="true" />
+    <option name="ALIGN_MULTILINE_EXTENDS_LIST" value="true" />
+    <option name="ALIGN_MULTILINE_PARENTHESIZED_EXPRESSION" value="true" />
+    <option name="ALIGN_MULTILINE_ARRAY_INITIALIZER_EXPRESSION" value="true" />
+    <option name="CALL_PARAMETERS_WRAP" value="1" />
+    <option name="METHOD_PARAMETERS_WRAP" value="1" />
+    <option name="EXTENDS_LIST_WRAP" value="1" />
+    <option name="THROWS_LIST_WRAP" value="1" />
+    <option name="EXTENDS_KEYWORD_WRAP" value="1" />
+    <option name="THROWS_KEYWORD_WRAP" value="1" />
+    <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
+    <option name="BINARY_OPERATION_WRAP" value="1" />
+    <option name="BINARY_OPERATION_SIGN_ON_NEXT_LINE" value="true" />
+    <option name="TERNARY_OPERATION_WRAP" value="1" />
+    <option name="TERNARY_OPERATION_SIGNS_ON_NEXT_LINE" value="true" />
+    <option name="FOR_STATEMENT_WRAP" value="1" />
+    <option name="ARRAY_INITIALIZER_WRAP" value="1" />
+    <option name="ASSIGNMENT_WRAP" value="5" />
+    <option name="WRAP_COMMENTS" value="true" />
+    <option name="IF_BRACE_FORCE" value="3" />
+    <option name="DOWHILE_BRACE_FORCE" value="3" />
+    <option name="WHILE_BRACE_FORCE" value="3" />
+    <option name="FOR_BRACE_FORCE" value="3" />
+    <option name="PARENT_SETTINGS_INSTALLED" value="true" />
+  </codeStyleSettings>
+  <codeStyleSettings language="JAVA">
+    <option name="BLANK_LINES_BEFORE_PACKAGE" value="1" />
+    <option name="CALL_PARAMETERS_WRAP" value="1" />
+    <option name="METHOD_PARAMETERS_WRAP" value="1" />
+    <option name="RESOURCE_LIST_WRAP" value="1" />
+    <option name="EXTENDS_LIST_WRAP" value="1" />
+    <option name="THROWS_LIST_WRAP" value="1" />
+    <option name="EXTENDS_KEYWORD_WRAP" value="1" />
+    <option name="THROWS_KEYWORD_WRAP" value="1" />
+    <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
+    <option name="BINARY_OPERATION_WRAP" value="1" />
+    <option name="TERNARY_OPERATION_WRAP" value="2" />
+    <option name="TERNARY_OPERATION_SIGNS_ON_NEXT_LINE" value="true" />
+    <option name="FOR_STATEMENT_WRAP" value="1" />
+    <option name="ARRAY_INITIALIZER_WRAP" value="1" />
+    <option name="ASSIGNMENT_WRAP" value="1" />
+    <option name="ASSERT_STATEMENT_WRAP" value="1" />
+    <option name="IF_BRACE_FORCE" value="3" />
+    <option name="DOWHILE_BRACE_FORCE" value="3" />
+    <option name="WHILE_BRACE_FORCE" value="3" />
+    <option name="FOR_BRACE_FORCE" value="3" />
+    <option name="ENUM_CONSTANTS_WRAP" value="1" />
+  </codeStyleSettings>
+  <codeStyleSettings language="JavaScript">
+    <option name="KEEP_CONTROL_STATEMENT_IN_ONE_LINE" value="false" />
+    <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
+    <option name="BLANK_LINES_AFTER_CLASS_HEADER" value="1" />
+    <option name="ALIGN_MULTILINE_PARAMETERS_IN_CALLS" value="true" />
+    <option name="ALIGN_MULTILINE_BINARY_OPERATION" value="true" />
+    <option name="ALIGN_MULTILINE_ASSIGNMENT" value="true" />
+    <option name="ALIGN_MULTILINE_TERNARY_OPERATION" value="true" />
+    <option name="ALIGN_MULTILINE_THROWS_LIST" value="true" />
+    <option name="ALIGN_MULTILINE_EXTENDS_LIST" value="true" />
+    <option name="ALIGN_MULTILINE_PARENTHESIZED_EXPRESSION" value="true" />
+    <option name="ALIGN_MULTILINE_ARRAY_INITIALIZER_EXPRESSION" value="true" />
+    <option name="CALL_PARAMETERS_WRAP" value="1" />
+    <option name="METHOD_PARAMETERS_WRAP" value="1" />
+    <option name="EXTENDS_LIST_WRAP" value="1" />
+    <option name="THROWS_LIST_WRAP" value="1" />
+    <option name="EXTENDS_KEYWORD_WRAP" value="1" />
+    <option name="THROWS_KEYWORD_WRAP" value="1" />
+    <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
+    <option name="BINARY_OPERATION_WRAP" value="1" />
+    <option name="BINARY_OPERATION_SIGN_ON_NEXT_LINE" value="true" />
+    <option name="TERNARY_OPERATION_WRAP" value="1" />
+    <option name="TERNARY_OPERATION_SIGNS_ON_NEXT_LINE" value="true" />
+    <option name="FOR_STATEMENT_WRAP" value="1" />
+    <option name="ARRAY_INITIALIZER_WRAP" value="1" />
+    <option name="ASSIGNMENT_WRAP" value="5" />
+    <option name="WRAP_COMMENTS" value="true" />
+    <option name="IF_BRACE_FORCE" value="3" />
+    <option name="DOWHILE_BRACE_FORCE" value="3" />
+    <option name="WHILE_BRACE_FORCE" value="3" />
+    <option name="FOR_BRACE_FORCE" value="3" />
+    <option name="PARENT_SETTINGS_INSTALLED" value="true" />
+  </codeStyleSettings>
+  <codeStyleSettings language="PHP">
+    <option name="KEEP_CONTROL_STATEMENT_IN_ONE_LINE" value="false" />
+    <option name="KEEP_BLANK_LINES_IN_CODE" value="1" />
+    <option name="BLANK_LINES_AFTER_CLASS_HEADER" value="1" />
+    <option name="ALIGN_MULTILINE_ASSIGNMENT" value="true" />
+    <option name="ALIGN_MULTILINE_TERNARY_OPERATION" value="true" />
+    <option name="ALIGN_MULTILINE_THROWS_LIST" value="true" />
+    <option name="ALIGN_MULTILINE_EXTENDS_LIST" value="true" />
+    <option name="ALIGN_MULTILINE_PARENTHESIZED_EXPRESSION" value="true" />
+    <option name="CALL_PARAMETERS_WRAP" value="1" />
+    <option name="METHOD_PARAMETERS_WRAP" value="1" />
+    <option name="EXTENDS_LIST_WRAP" value="1" />
+    <option name="THROWS_LIST_WRAP" value="1" />
+    <option name="EXTENDS_KEYWORD_WRAP" value="1" />
+    <option name="THROWS_KEYWORD_WRAP" value="1" />
+    <option name="METHOD_CALL_CHAIN_WRAP" value="1" />
+    <option name="BINARY_OPERATION_WRAP" value="1" />
+    <option name="BINARY_OPERATION_SIGN_ON_NEXT_LINE" value="true" />
+    <option name="TERNARY_OPERATION_WRAP" value="1" />
+    <option name="TERNARY_OPERATION_SIGNS_ON_NEXT_LINE" value="true" />
+    <option name="FOR_STATEMENT_WRAP" value="1" />
+    <option name="ARRAY_INITIALIZER_WRAP" value="1" />
+    <option name="ASSIGNMENT_WRAP" value="5" />
+    <option name="WRAP_COMMENTS" value="true" />
+    <option name="IF_BRACE_FORCE" value="3" />
+    <option name="DOWHILE_BRACE_FORCE" value="3" />
+    <option name="WHILE_BRACE_FORCE" value="3" />
+    <option name="FOR_BRACE_FORCE" value="3" />
+    <option name="PARENT_SETTINGS_INSTALLED" value="true" />
+  </codeStyleSettings>
+</code_scheme>
\ No newline at end of file
diff --git a/common/pom.xml b/common/pom.xml
index ad9f382ee..bb15f2d43 100644
--- a/common/pom.xml
+++ b/common/pom.xml
@@ -25,6 +25,7 @@
     <maven>3.1.1</maven>
   </prerequisites>
   <modules>
+    <module>checkstyle</module>
     <module>api-parent</module>
     <module>features-parent</module>
     <module>impl-parent</module>