Add syntax check before pushing code

Checks whole file (with changes) for code style violations
If you can't fix these violations you can use the --no-verify option

Issue-ID: DMAAP-1173
Change-Id: If97f90685836cec7fa3febb450f6f8ce844272f3
Signed-off-by: econwar <conor.ward@est.tech>

4 files changed, 308 insertions, 13 deletions

diff --git a/ci_scripts/onap-style-java.xml b/ci_scripts/onap-style-java.xml
new file mode 100644
index 00000000..7f9e4710
--- /dev/null
+++ b/ci_scripts/onap-style-java.xml
@@ -0,0 +1,225 @@
+<?xml version="1.0"?>
+<!--
+  ============LICENSE_START=======================================================
+   Copyright (C) 2019 Nordix Foundation.
+  ================================================================================
+  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.
+
+  SPDX-License-Identifier: Apache-2.0
+  ============LICENSE_END=========================================================
+-->
+<!DOCTYPE module PUBLIC
+  "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
+  "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
+
+<!--
+
+    Checkstyle configuration that checks the Google coding conventions from:
+
+    -  Google Java Style
+       https://google-styleguide.googlecode.com/svn-history/r130/trunk/javaguide.html
+
+    Checkstyle is very configurable. Be sure to read the documentation at
+    http://checkstyle.sf.net (or in your downloaded distribution).
+
+    Most Checks are configurable, be sure to consult the documentation.
+
+    To completely disable a check, just comment it out or delete it from the file.
+
+    Authors: Max Vetrenko, Ruslan Diachenko, Roman Ivanov.
+
+ -->
+
+<module name = "Checker">
+    <property name="charset" value="UTF-8"/>
+
+    <property name="severity" value="warning"/>
+
+    <property name="fileExtensions" value="java, properties, xml"/>
+    <!-- Checks for whitespace                               -->
+    <!-- See http://checkstyle.sf.net/config_whitespace.html -->
+    <module name="FileTabCharacter">
+        <property name="eachLine" value="true"/>
+    </module>
+    <module name="SuppressionFilter">
+        <property name="file" value="ci_scripts/suppressTestFiles.xml" />
+    </module>
+    <module name="TreeWalker">
+        <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"/>
+            <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_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_SWITCH"/>
+        </module>
+        <module name="NeedBraces"/>
+        <module name="LeftCurly">
+        </module>
+        <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. Empty blocks may only be represented as '{}' when not part of a multi-block statement (4.1.3)"/>
+            <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="CustomImportOrder">
+            <property name="sortImportsInGroupAlphabetically" value="true"/>
+            <property name="separateLineBetweenGroups" value="true"/>
+            <property name="customImportOrderRules" value="STATIC###THIRD_PARTY_PACKAGE"/>
+        </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">
+            <property name="ignoreInlineTags" value="false"/>
+        </module>
+        <module name="EmptyCatchBlock">
+            <property name="exceptionVariableName" value="expected"/>
+        </module>
+        <module name="CommentsIndentation"/>
+    </module>
+</module>
diff --git a/ci_scripts/pre-commit.sh b/ci_scripts/pre-commit.sh
new file mode 100755
index 00000000..636f8ff3
--- /dev/null
+++ b/ci_scripts/pre-commit.sh
@@ -0,0 +1,56 @@
+#!/usr/bin/env bash
+#
+# ============LICENSE_START=======================================================
+#  Copyright (C) 2019 Nordix Foundation.
+# ================================================================================
+# 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.
+#
+# SPDX-License-Identifier: Apache-2.0
+# ============LICENSE_END=========================================================
+#
+# Pre-commit hook for running checkstyle on changed Java sources
+#
+# To use this you need:
+# 1. Checkstyle's jar file downloaded *version is important checkstyle-8.13-all.jar
+# 2. To configure git:
+#   * git config --add checkstyle.jar <location_of_jar>
+# 3. Copy this file to your .git/hooks directory as pre-commit
+#
+# Now, when you commit, you will be disallowed from doing so
+# until you pass your checkstyle checks.
+
+changed_files=" "
+for file in $(git diff --cached --name-status | grep -E '\.(java)$' | grep -vE '^D' | awk '{print $2}')
+do
+  changed_files+="$file "
+done
+
+printf "Using checkstyle sheet "
+checkstlye_jar_command='git config --get checkstyle.jar'
+
+if ! ($checkstlye_jar_command)
+then
+  printf "You must configure checkstyle in your git config"
+  exit 1
+fi
+
+checkstyle_warnings=$(java -jar $($checkstlye_jar_command) -c ci_scripts/onap-style-java.xml $changed_files | grep WARN)
+if [ $? == 0 ]
+then
+  printf "\nWarnings found\n\n"
+  echo "$checkstyle_warnings"
+  printf "\n###############################################################\n\nFix warnings before committing\n\n"
+  exit 1
+else
+  printf "\nCode checkstyle passed.\n"
+fi
diff --git a/ci_scripts/suppressedFilesForStyleCheck.xml b/ci_scripts/suppressedFilesForStyleCheck.xml
new file mode 100644
index 00000000..ed56442a
--- /dev/null
+++ b/ci_scripts/suppressedFilesForStyleCheck.xml
@@ -0,0 +1,27 @@
+<?xml version="1.0"?>
+<!--
+  ============LICENSE_START=======================================================
+   Copyright (C) 2019 Nordix Foundation.
+  ================================================================================
+  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.
+
+  SPDX-License-Identifier: Apache-2.0
+  ============LICENSE_END=========================================================
+-->
+<!DOCTYPE suppressions PUBLIC
+  "-//Puppy Crawl//DTD Suppressions 1.1//EN"
+  "http://www.puppycrawl.com/dtds/suppressions_1_1.dtd">
+
+<suppressions>
+  <suppress files=".*Test\.java" checks="[a-zA-Z0-9]*"/>
+</suppressions>
\ No newline at end of file
diff --git a/datarouter-prov/src/test/java/org/onap/dmaap/datarouter/provisioning/FeedServletTest.java b/datarouter-prov/src/test/java/org/onap/dmaap/datarouter/provisioning/FeedServletTest.java
index f4eac05f..a1f714bb 100755
--- a/datarouter-prov/src/test/java/org/onap/dmaap/datarouter/provisioning/FeedServletTest.java
+++ b/datarouter-prov/src/test/java/org/onap/dmaap/datarouter/provisioning/FeedServletTest.java
@@ -109,7 +109,6 @@ public class FeedServletTest extends DrServletTestBase {
         verifyEnteringExitCalled(listAppender);
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_DELETE_And_BEHALF_HEADER_Is_Not_Set_In_Request_Then_Bad_Request_Response_Is_Generated()
         throws Exception {
@@ -118,7 +117,6 @@ public class FeedServletTest extends DrServletTestBase {
         verify(response).sendError(eq(HttpServletResponse.SC_BAD_REQUEST), argThat(notNullValue(String.class)));
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_DELETE_And_Path_Header_Is_Not_Set_In_Request_With_Valid_Path_Then_Bad_Request_Response_Is_Generated() throws Exception {
         when(request.getPathInfo()).thenReturn(null);
@@ -126,7 +124,6 @@ public class FeedServletTest extends DrServletTestBase {
         verify(response).sendError(eq(HttpServletResponse.SC_BAD_REQUEST), argThat(notNullValue(String.class)));
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_DELETE_And_Feed_Id_Is_Invalid_Then_Not_Found_Response_Is_Generated() throws Exception {
         when(request.getPathInfo()).thenReturn("/123");
@@ -134,7 +131,6 @@ public class FeedServletTest extends DrServletTestBase {
         verify(response).sendError(eq(HttpServletResponse.SC_NOT_FOUND), argThat(notNullValue(String.class)));
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_DELETE_And_Request_Is_Not_Authorized_Then_Forbidden_Response_Is_Generated() throws Exception {
         setAuthoriserToReturnRequestNotAuthorized();
@@ -158,7 +154,6 @@ public class FeedServletTest extends DrServletTestBase {
         verifyEnteringExitCalled(listAppender);
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_DELETE_And_Delete_On_Database_Fails_An_Internal_Server_Error_Is_Reported()
         throws Exception {
@@ -172,7 +167,6 @@ public class FeedServletTest extends DrServletTestBase {
             .sendError(eq(HttpServletResponse.SC_INTERNAL_SERVER_ERROR), argThat(notNullValue(String.class)));
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_DELETE_And_Delete_On_Database_Succeeds_A_NO_CONTENT_Response_Is_Generated() throws Exception {
         feedServlet.doDelete(request, response);
@@ -198,7 +192,6 @@ public class FeedServletTest extends DrServletTestBase {
         verify(response).sendError(eq(HttpServletResponse.SC_BAD_REQUEST), argThat(notNullValue(String.class)));
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_GET_And_Path_Header_Is_Not_Set_In_Request_With_Valid_Path_Then_Bad_Request_Response_Is_Generated()
         throws Exception {
@@ -207,7 +200,6 @@ public class FeedServletTest extends DrServletTestBase {
         verify(response).sendError(eq(HttpServletResponse.SC_BAD_REQUEST), argThat(notNullValue(String.class)));
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_GET_And_Feed_Id_Is_Invalid_Then_Not_Found_Response_Is_Generated()
         throws Exception {
@@ -216,7 +208,6 @@ public class FeedServletTest extends DrServletTestBase {
         verify(response).sendError(eq(HttpServletResponse.SC_NOT_FOUND), argThat(notNullValue(String.class)));
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_GET_And_Request_Is_Not_Authorized_Then_Forbidden_Response_Is_Generated()
         throws Exception {
@@ -226,7 +217,6 @@ public class FeedServletTest extends DrServletTestBase {
         verify(response).sendError(eq(HttpServletResponse.SC_FORBIDDEN), argThat(notNullValue(String.class)));
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_GET_And_Request_Succeeds() throws Exception {
         ServletOutputStream outStream = mock(ServletOutputStream.class);
@@ -237,7 +227,6 @@ public class FeedServletTest extends DrServletTestBase {
         verifyEnteringExitCalled(listAppender);
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_PUT_And_Is_Not_Secure_When_HTTPS_Is_Required_Then_Forbidden_Response_Is_Generated()
         throws Exception {
@@ -255,7 +244,6 @@ public class FeedServletTest extends DrServletTestBase {
         verify(response).sendError(eq(HttpServletResponse.SC_BAD_REQUEST), argThat(notNullValue(String.class)));
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_PUT_And_Path_Header_Is_Not_Set_In_Request_With_Valid_Path_Then_Bad_Request_Response_Is_Generated()
         throws Exception {
@@ -264,7 +252,6 @@ public class FeedServletTest extends DrServletTestBase {
         verify(response).sendError(eq(HttpServletResponse.SC_BAD_REQUEST), argThat(notNullValue(String.class)));
     }
 
-
     @Test
     public void Given_Request_Is_HTTP_PUT_And_Feed_Id_Is_Invalid_Then_Not_Found_Response_Is_Generated()
         throws Exception {