bindiego
11/3/2014 - 1:48 AM

Maven checkstyle sample

Maven checkstyle sample

<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/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.google</groupId>
    <artifactId>google</artifactId>
    <version>5</version>
  </parent>
  <groupId>com.google.apis-samples</groupId>
  <artifactId>analytics-cmdline-sample</artifactId>
  <version>1</version>
  <name>Example for the Analytics API v3 using JSON.</name>

  <url>http://code.google.com/p/google-api-java-client/</url>

  <issueManagement>
    <system>code.google.com</system>
    <url>http://code.google.com/p/google-api-java-client/issues/list</url>
  </issueManagement>

  <inceptionYear>2012</inceptionYear>

  <prerequisites>
    <maven>2.0.9</maven>
  </prerequisites>

  <scm>
    <connection>scm:hg:https://samples.google-api-java-client.googlecode.com/hg/</connection>
    <developerConnection>scm:hg:https://samples.google-api-java-client.googlecode.com/hg/</developerConnection>
    <url>http://code.google.com/p/google-api-java-client/source/browse/?repo=samples</url>
  </scm>

  <developers>
    <developer>
      <id>api.nickm</id>
      <name>Nick Mihailovski</name>
      <email>api.nickm@gmail.com</email>
      <organization>Google</organization>
      <organizationUrl>http://www.google.com</organizationUrl>
      <roles>
        <role>owner</role>
        <role>developer</role>
      </roles>
      <timezone>0</timezone>
    </developer>
  </developers>

  <build>
    <plugins>
      <plugin>
        <artifactId>maven-compiler-plugin</artifactId>
        <version>2.3.2</version>
        <configuration>
          <source>1.6</source>
          <target>1.6</target>
        </configuration>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>exec-maven-plugin</artifactId>
        <version>1.1</version>
        <executions>
          <execution>
            <goals>
              <goal>java</goal>
            </goals>
          </execution>
        </executions>
        <configuration>
          <mainClass>com.google.api.services.samples.analytics.cmdline.HelloAnalyticsApiSample</mainClass>
          <systemProperties>
            <systemProperty>
              <key>java.util.logging.config.file</key>
              <value>logging.properties</value>
            </systemProperty>
          </systemProperties>
        </configuration>
      </plugin>
      <plugin>
        <artifactId>maven-checkstyle-plugin</artifactId>
        <version>2.6</version>
        <configuration>
          <configLocation>checkstyle.xml</configLocation>
          <consoleOutput>true</consoleOutput>
          <failOnViolation>false</failOnViolation>
        </configuration>
        <executions>
          <execution>
            <goals>
              <goal>check</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
      <plugin>
        <groupId>org.codehaus.mojo</groupId>
        <artifactId>findbugs-maven-plugin</artifactId>
        <version>2.3.2</version>
        <configuration>
          <failOnError>false</failOnError>
        </configuration>
        <executions>
          <execution>
            <goals>
              <goal>check</goal>
            </goals>
          </execution>
        </executions>
      </plugin>
    </plugins>
    <finalName>${project.artifactId}-${project.version}</finalName>
  </build>
  <dependencies>
    <dependency>
      <groupId>com.google.apis</groupId>
      <artifactId>google-api-services-analytics</artifactId>
      <version>v3-rev98-1.19.0</version>
    </dependency>
    <dependency>
      <groupId>com.google.http-client</groupId>
      <artifactId>google-http-client-jackson2</artifactId>
      <version>${project.http.version}</version>
    </dependency>
    <dependency>
      <groupId>com.google.oauth-client</groupId>
      <artifactId>google-oauth-client-jetty</artifactId>
      <version>${project.oauth.version}</version>
    </dependency>
  </dependencies>
  <properties>
    <project.http.version>1.19.0</project.http.version>
    <project.oauth.version>1.19.0</project.oauth.version>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
  </properties>
</project>
<?xml version="1.0" encoding="UTF-8"?>
<!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="RegexpSingleline">
    <!-- Requires a Google copyright notice in each file.
      Code intended to be open-sourced may have a multi-line copyright
      notice, so that this required text appears on the second line:
      <pre>
        /*
         * Copyright 2008 Google Inc.
         *
         * (details of open-source license...)
      </pre>
    -->
    <property name="format"
        value="^(//| \*) Copyright (\([cC]\) )?[\d]{4}(\-[\d]{4})? (Google Inc\.).*$" />
    <property name="minimum" value="1" />
    <property name="maximum" value="10" />
    <property name="message" value="Google copyright is missing or malformed." />
    <property name="severity" value="error" />
  </module>

  <module name="FileTabCharacter">
    <!-- Checks that there are no tab characters in the file.
    -->
  </module>

  <module name="NewlineAtEndOfFile"/>

  <module name="RegexpSingleline">
    <!-- Checks that FIXME is not used in comments.  TODO is preferred.
    -->
    <property name="format" value="((//.*)|(\*.*))FIXME" />
    <property name="message" value='TODO is preferred to FIXME.  e.g. "TODO(johndoe): Refactor when v2 is released."' />
  </module>

  <module name="RegexpSingleline">
    <!-- Checks that TODOs are named.  (Actually, just that they are followed
         by an open paren.)
    -->
    <property name="format" value="((//.*)|(\*.*))TODO[^(]" />
    <property name="message" value='All TODOs should be named.  e.g. "TODO(johndoe): Refactor when v2 is released."' />
  </module>

  <!-- All Java AST specific tests live under TreeWalker module. -->
  <module name="TreeWalker">

    <!--

    IMPORT CHECKS

    -->

    <module name="RedundantImport">
      <!-- Checks for redundant import statements. -->
      <property name="severity" value="error"/>
    </module>

    <module name="ImportOrder">
      <!-- Checks for out of order import statements. -->

      <property name="severity" value="warning"/>
      <property name="groups" value="com.google,android,junit,net,org,java,javax"/>
      <!-- This ensures that static imports go first. -->
      <property name="option" value="top"/>
      <property name="tokens" value="STATIC_IMPORT, IMPORT"/>
    </module>

    <!--

    JAVADOC CHECKS

    -->

    <!-- Checks for Javadoc comments.                     -->
    <!-- See http://checkstyle.sf.net/config_javadoc.html -->
    <module name="JavadocMethod">
      <property name="scope" value="protected"/>
      <property name="severity" value="warning"/>
      <property name="allowMissingJavadoc" value="true"/>
      <property name="allowMissingParamTags" value="true"/>
      <property name="allowMissingReturnTag" value="true"/>
      <property name="allowMissingThrowsTags" value="true"/>
      <property name="allowThrowsTagsForSubclasses" value="true"/>
      <property name="allowUndeclaredRTE" value="true"/>
    </module>

    <module name="JavadocType">
      <property name="scope" value="protected"/>
      <property name="severity" value="error"/>
    </module>

    <module name="JavadocStyle">
      <property name="severity" value="warning"/>
    </module>

    <!--

    NAMING CHECKS

    -->

    <!-- Item 38 - Adhere to generally accepted naming conventions -->

    <module name="PackageName">
      <!-- Validates identifiers for package names against the
        supplied expression. -->
      <!-- Here the default checkstyle rule restricts package name parts to
        seven characters, this is not in line with common practice at Google.
      -->
      <property name="format" value="^[a-z]+(\.[a-z][a-z0-9]{1,})*$"/>
      <property name="severity" value="warning"/>
    </module>

    <module name="TypeNameCheck">
      <!-- Validates static, final fields against the
      expression "^[A-Z][a-zA-Z0-9]*$". -->
      <metadata name="altname" value="TypeName"/>
      <property name="severity" value="warning"/>
    </module>

    <module name="ConstantNameCheck">
      <!-- Validates non-private, static, final fields against the supplied
      public/package final fields "^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$". -->
      <metadata name="altname" value="ConstantName"/>
      <property name="applyToPublic" value="true"/>
      <property name="applyToProtected" value="true"/>
      <property name="applyToPackage" value="true"/>
      <property name="applyToPrivate" value="false"/>
      <property name="format" value="^([A-Z][A-Z0-9]*(_[A-Z0-9]+)*|FLAG_.*)$"/>
      <message key="name.invalidPattern"
               value="Variable ''{0}'' should be in ALL_CAPS (if it is a constant) or be private (otherwise)."/>
      <property name="severity" value="warning"/>
    </module>

    <module name="StaticVariableNameCheck">
      <!-- Validates static, non-final fields against the supplied
      expression "^[a-z][a-zA-Z0-9]*_?$". -->
      <metadata name="altname" value="StaticVariableName"/>
      <property name="applyToPublic" value="true"/>
      <property name="applyToProtected" value="true"/>
      <property name="applyToPackage" value="true"/>
      <property name="applyToPrivate" value="true"/>
      <property name="format" value="^[a-z][a-zA-Z0-9]*_?$"/>
      <property name="severity" value="warning"/>
    </module>

    <module name="MemberNameCheck">
      <!-- Validates non-static members against the supplied expression. -->
      <metadata name="altname" value="MemberName"/>
      <property name="applyToPublic" value="true"/>
      <property name="applyToProtected" value="true"/>
      <property name="applyToPackage" value="true"/>
      <property name="applyToPrivate" value="true"/>
      <property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
      <property name="severity" value="warning"/>
    </module>

    <module name="MethodNameCheck">
      <!-- Validates identifiers for method names. -->
      <metadata name="altname" value="MethodName"/>
      <property name="format" value="^[a-z][a-zA-Z0-9]*(_[a-zA-Z0-9]+)*$"/>
      <property name="severity" value="warning"/>
    </module>

    <module name="ParameterName">
      <!-- Validates identifiers for method parameters against the
        expression "^[a-z][a-zA-Z0-9]*$". -->
      <property name="severity" value="warning"/>
    </module>

    <module name="LocalFinalVariableName">
      <!-- Validates identifiers for local final variables against the
        expression "^[a-z][a-zA-Z0-9]*$". -->
      <property name="severity" value="warning"/>
    </module>

    <module name="LocalVariableName">
      <!-- Validates identifiers for local variables against the
        expression "^[a-z][a-zA-Z0-9]*$". -->
      <property name="severity" value="warning"/>
    </module>


    <!--

    LENGTH and CODING CHECKS

    -->

    <module name="LineLength">
      <!-- Checks if a line is too long. -->
      <property name="max" value="${com.puppycrawl.tools.checkstyle.checks.sizes.LineLength.max}" default="100"/>
      <property name="severity" value="error"/>

      <!--
        The default ignore pattern exempts the following elements:
          - import statements
          - long URLs inside comments
      -->

      <property name="ignorePattern"
          value="${com.puppycrawl.tools.checkstyle.checks.sizes.LineLength.ignorePattern}"
          default="^(package .*;\s*)|(import .*;\s*)|( *\* *https?://.*)$"/>
    </module>

    <module name="LeftCurly">
      <!-- Checks for placement of the left curly brace ('{'). -->
      <property name="severity" value="warning"/>
    </module>

    <module name="RightCurly">
      <!-- Checks right curlies on CATCH, ELSE, and TRY blocks are on
      the same line. e.g., the following example is fine:
      <pre>
        if {
          ...
        } else
      </pre>
      -->
      <!-- This next example is not fine:
      <pre>
        if {
          ...
        }
        else
      </pre>
      -->
      <property name="option" value="same"/>
      <property name="severity" value="warning"/>
    </module>

    <!-- Checks for braces around if and else blocks -->
    <module name="NeedBraces">
      <property name="severity" value="warning"/>
      <property name="tokens" value="LITERAL_IF, LITERAL_ELSE, LITERAL_FOR, LITERAL_WHILE, LITERAL_DO"/>
    </module>

    <module name="UpperEll">
      <!-- Checks that long constants are defined with an upper ell.-->
      <property name="severity" value="error"/>
    </module>

    <module name="FallThrough">
      <!-- Warn about falling through to the next case statement.  Similar to
      javac -Xlint:fallthrough, but the check is suppressed if a single-line comment
      on the last non-blank line preceding the fallen-into case contains 'fall through' (or
      some other variants which we don't publicized to promote consistency).
      -->
      <property name="reliefPattern"
       value="fall through|Fall through|fallthru|Fallthru|falls through|Falls through|fallthrough|Fallthrough|No break|NO break|no break|continue on"/>
      <property name="severity" value="error"/>
    </module>


    <!--

    MODIFIERS CHECKS

    -->

    <module name="ModifierOrder">
      <!-- Warn if modifier order is inconsistent with JLS3 8.1.1, 8.3.1, and
           8.4.3.  The prescribed order is:
           public, protected, private, abstract, static, final, transient, volatile,
           synchronized, native, strictfp
        -->
    </module>


    <!--

    WHITESPACE CHECKS

    -->

    <module name="WhitespaceAround">
      <!-- Checks that various tokens are surrounded by whitespace.
           This includes most binary operators and keywords followed
           by regular or curly braces.
      -->
      <property name="tokens" value="ASSIGN, BAND, BAND_ASSIGN, BOR,
        BOR_ASSIGN, BSR, BSR_ASSIGN, BXOR, BXOR_ASSIGN, COLON, DIV, DIV_ASSIGN,
        EQUAL, GE, GT, LAND, LE, LITERAL_CATCH, LITERAL_DO, LITERAL_ELSE,
        LITERAL_FINALLY, LITERAL_FOR, LITERAL_IF, LITERAL_RETURN,
        LITERAL_SYNCHRONIZED, LITERAL_TRY, LITERAL_WHILE, LOR, LT, MINUS,
        MINUS_ASSIGN, MOD, MOD_ASSIGN, NOT_EQUAL, PLUS, PLUS_ASSIGN, QUESTION,
        SL, SL_ASSIGN, SR_ASSIGN, STAR, STAR_ASSIGN"/>
      <property name="severity" value="error"/>
    </module>

    <module name="WhitespaceAfter">
      <!-- Checks that commas, semicolons and typecasts are followed by
           whitespace.
      -->
      <property name="tokens" value="COMMA, SEMI, TYPECAST"/>
    </module>

    <module name="NoWhitespaceAfter">
      <!-- Checks that there is no whitespace after various unary operators.
           Linebreaks are allowed.
      -->
      <property name="tokens" value="BNOT, DEC, DOT, INC, LNOT, UNARY_MINUS,
        UNARY_PLUS"/>
      <property name="allowLineBreaks" value="true"/>
      <property name="severity" value="error"/>
    </module>

    <module name="NoWhitespaceBefore">
      <!-- Checks that there is no whitespace before various unary operators.
           Linebreaks are allowed.
      -->
      <property name="tokens" value="SEMI, DOT, POST_DEC, POST_INC"/>
      <property name="allowLineBreaks" value="true"/>
      <property name="severity" value="error"/>
    </module>

    <module name="ParenPad">
      <!-- Checks that there is no whitespace before close parens or after
           open parens.
      -->
      <property name="severity" value="warning"/>
    </module>

  </module>
</module>