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From sijie <...@git.apache.org>
Subject [GitHub] incubator-distributedlog pull request #54: DL-129: Enable checkstyle plugin ...
Date Mon, 12 Dec 2016 19:58:47 GMT
Github user sijie commented on a diff in the pull request:

    https://github.com/apache/incubator-distributedlog/pull/54#discussion_r92026383
  
    --- Diff: distributedlog-build-tools/src/main/resources/distributedlog/checkstyle.xml
---
    @@ -0,0 +1,443 @@
    +<?xml version="1.0" encoding="UTF-8"?>
    +<!--
    +    Licensed to the Apache Software Foundation (ASF) under one or more
    +    contributor license agreements.  See the NOTICE file distributed with
    +    this work for additional information regarding copyright ownership.
    +    The ASF licenses this file to You 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.
    +-->
    +<!DOCTYPE module PUBLIC
    +    "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
    +    "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
    +
    +<!-- This is a checkstyle configuration file. For descriptions of
    +what the following rules do, please see the checkstyle configuration
    +page at http://checkstyle.sourceforge.net/config.html -->
    +
    +<module name="Checker">
    +
    +  <module name="FileTabCharacter">
    +    <!-- Checks that there are no tab characters in the file. -->
    +  </module>
    +
    +  <module name="RegexpSingleline">
    +    <!-- Checks that TODOs don't have stuff in parenthesis, e.g., username. -->
    +    <property name="format" value="((//.*)|(\*.*))TODO\(" />
    +    <property name="message" value="TODO comments must not include usernames." />
    +    <property name="severity" value="error" />
    +  </module>
    +
    +  <module name="RegexpSingleline">
    +    <property name="format" value="\s+$"/>
    +    <property name="message" value="Trailing whitespace"/>
    +    <property name="severity" value="error"/>
    +  </module>
    +
    +  <module name="RegexpSingleline">
    +    <property name="format" value="Throwables.propagate\("/>
    +    <property name="message" value="Throwables.propagate is deprecated"/>
    +    <property name="severity" value="error"/>
    +  </module>
    +
    +  <!-- Prevent *Tests.java as tools may not pick them up -->
    +  <module name="RegexpOnFilename">
    +    <property name="fileNamePattern" value=".*Tests\.java$" />
    +  </module>
    +
    +  <!-- Allow use of comment to suppress javadocstyle -->
    +  <module name="SuppressionCommentFilter">
    +    <property name="offCommentFormat" value="CHECKSTYLE.OFF\: ([\w\|]+)"/>
    +    <property name="onCommentFormat" value="CHECKSTYLE.ON\: ([\w\|]+)"/>
    +    <property name="checkFormat" value="$1"/>
    +  </module>
    +  <module name="SuppressionFilter">
    +    <property name="file" value="${checkstyle.suppressions.file}" default="suppressions.xml"
/>
    +  </module>
    +
    +  <!-- Check that every module has a package-info.java -->
    +  <module name="JavadocPackage"/>
    +
    +  <!-- All Java AST specific tests live under TreeWalker module. -->
    +  <module name="TreeWalker">
    +
    +    <module name="TodoComment">
    +      <!-- Checks that disallowed strings are not used in comments.  -->
    +      <property name="format" value="(FIXME)|(XXX)|(@author)" />
    +    </module>
    +
    +    <!--
    +
    +    IMPORT CHECKS
    +
    +    -->
    +
    +    <module name="RedundantImport">
    +      <!-- Checks for redundant import statements. -->
    +      <property name="severity" value="error"/>
    +      <message key="import.redundancy"
    +               value="Redundant import {0}."/>
    +    </module>
    +
    +    <module name="ImportOrder">
    +      <!-- Checks for out of order import statements. -->
    +      <property name="severity" value="error"/>
    +      <!-- This ensures that static imports go first. -->
    +      <property name="option" value="top"/>
    +      <property name="sortStaticImportsAlphabetically" value="true"/>
    +      <property name="tokens" value="STATIC_IMPORT, IMPORT"/>
    +      <message key="import.ordering"
    +               value="Import {0} appears after other imports that it should precede"/>
    +    </module>
    +
    +    <module name="AvoidStarImport">
    --- End diff --
    
    +1 for avoiding start import


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