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[MCHECKSTYLE-412] Add option to exclude generated sources/test-sources from default source/test-source directories
This closes #76
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8 files changed

+247
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‎src/it/MCHECKSTYLE-412/invoker.properties

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# Licensed to the Apache Software Foundation (ASF) under one
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# or more contributor license agreements. See the NOTICE file
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# distributed with this work for additional information
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# regarding copyright ownership. The ASF licenses this file
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# to you under the Apache License, Version 2.0 (the
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# "License"); you may not use this file except in compliance
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# with the License. You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing,
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# software distributed under the License is distributed on an
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# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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# KIND, either express or implied. See the License for the
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# specific language governing permissions and limitations
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# under the License.
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invoker.goals=verify

‎src/it/MCHECKSTYLE-412/pom.xml

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<?xml version="1.0" encoding="UTF-8"?>
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<!--
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~ Licensed to the Apache Software Foundation (ASF) under one
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~ or more contributor license agreements. See the NOTICE file
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~ distributed with this work for additional information
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~ regarding copyright ownership. The ASF licenses this file
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~ to you under the Apache License, Version 2.0 (the
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~ "License"); you may not use this file except in compliance
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~ with the License. You may obtain a copy of the License at
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~
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~ http://www.apache.org/licenses/LICENSE-2.0
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~
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~ Unless required by applicable law or agreed to in writing,
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~ software distributed under the License is distributed on an
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~ "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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~ KIND, either express or implied. See the License for the
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~ specific language governing permissions and limitations
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~ under the License.
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-->
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<project xmlns="http://maven.apache.org/POM/4.0.0"
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xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.apache.maven.plugins.checkstyle.its</groupId>
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<artifactId>MCHECKSTYLE-412</artifactId>
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<version>1.0-SNAPSHOT</version>
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<url>https://issues.apache.org/jira/browse/MCHECKSTYLE-412</url>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.antlr</groupId>
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<artifactId>antlr4</artifactId>
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<version>4.3</version>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.antlr</groupId>
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<artifactId>antlr4-maven-plugin</artifactId>
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<version>4.3</version>
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<executions>
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<execution>
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<id>antlr</id>
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<goals>
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<goal>antlr4</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-checkstyle-plugin</artifactId>
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<version>@project.version@</version>
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<configuration>
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<excludeGeneratedSources>true</excludeGeneratedSources>
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</configuration>
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<executions>
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<execution>
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<id>check</id>
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<goals>
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<goal>check</goal>
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</goals>
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</execution>
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</executions>
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</plugin>
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</plugins>
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</build>
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</project>

‎src/it/MCHECKSTYLE-412/src/main/antlr4/MyGrammar.g4

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// Licensed to the Apache Software Foundation (ASF) under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing,
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// software distributed under the License is distributed on an
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// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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// KIND, either express or implied. See the License for the
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// specific language governing permissions and limitations
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// under the License.
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grammar MyGrammar;
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r : 'foo' ID ;
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ID : [a-zA-Z0-9_]+ ;
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WS : [ \t\r\n]+ -> skip ;

‎src/it/MCHECKSTYLE-412/src/main/java/org/MyClass.java

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package org;
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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/**
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* My class.
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*/
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public class MyClass {
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}

‎src/it/MCHECKSTYLE-412/src/main/java/org/package-info.java

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/**
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* Nothing very important here, only a file for checkstyle rule PackageInfo.
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*/
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package org;
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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/

‎src/it/MCHECKSTYLE-412/verify.groovy

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/*
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* Licensed to the Apache Software Foundation (ASF) under one
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* or more contributor license agreements. See the NOTICE file
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* distributed with this work for additional information
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* regarding copyright ownership. The ASF licenses this file
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* to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance
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* with the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing,
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* software distributed under the License is distributed on an
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* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
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* KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations
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* under the License.
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*/
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def buildLog = new File( basedir, 'build.log' )
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assert buildLog.text.contains( "[INFO] You have 0 Checkstyle violations." )

‎src/main/java/org/apache/maven/plugins/checkstyle/AbstractCheckstyleReport.java

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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.nio.file.Path;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.Locale;
@@ -426,6 +427,14 @@ public abstract class AbstractCheckstyleReport extends AbstractMavenReport {
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+ " \"https://checkstyle.org/dtds/configuration_1_3.dtd\">\n")
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private String checkstyleRulesHeader;
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/**
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* Specifies whether generated source files should be excluded from Checkstyle.
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*
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* @since 3.3.1
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*/
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@Parameter(property = "checkstyle.excludeGeneratedSources", defaultValue = "false")
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private boolean excludeGeneratedSources;
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/**
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*/
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@Component
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protected List<File> getSourceDirectories() {
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if (sourceDirectories == null) {
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sourceDirectories = project.getCompileSourceRoots();
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sourceDirectories = filterBuildTarget(project.getCompileSourceRoots());
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}
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List<File> sourceDirs = new ArrayList<>(sourceDirectories.size());
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for (String sourceDir : sourceDirectories) {
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protected List<File> getTestSourceDirectories() {
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if (testSourceDirectories == null) {
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testSourceDirectories = project.getTestCompileSourceRoots();
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testSourceDirectories = filterBuildTarget(project.getTestCompileSourceRoots());
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}
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List<File> testSourceDirs = new ArrayList<>(testSourceDirectories.size());
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for (String testSourceDir : testSourceDirectories) {
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testSourceDirs.add(FileUtils.resolveFile(project.getBasedir(), testSourceDir));
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}
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return testSourceDirs;
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}
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private List<String> filterBuildTarget(List<String> sourceDirectories) {
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if (!excludeGeneratedSources) {
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return sourceDirectories;
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}
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List<String> filtered = new ArrayList<>(sourceDirectories.size());
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Path buildTarget = FileUtils.resolveFile(
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project.getBasedir(), project.getBuild().getDirectory())
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.toPath();
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for (String sourceDir : sourceDirectories) {
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Path src = FileUtils.resolveFile(project.getBasedir(), sourceDir).toPath();
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if (!src.startsWith(buildTarget)) {
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filtered.add(sourceDir);
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}
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}
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return filtered;
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}
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}

‎src/main/java/org/apache/maven/plugins/checkstyle/CheckstyleViolationCheckMojo.java

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import java.io.OutputStream;
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import java.io.Reader;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.util.ArrayList;
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import java.util.Collections;
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import java.util.List;
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@Parameter(defaultValue = "false")
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private boolean omitIgnoredModules;
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/**
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* Specifies whether generated source files should be excluded from Checkstyle.
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*
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* @since 3.3.1
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*/
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@Parameter(property = "checkstyle.excludeGeneratedSources", defaultValue = "false")
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private boolean excludeGeneratedSources;
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479488
private ByteArrayOutputStream stringOutputStream;
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private File outputXmlFile;
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833842
private List<File> getSourceDirectories() {
834843
if (sourceDirectories == null) {
835-
sourceDirectories = project.getCompileSourceRoots();
844+
sourceDirectories = filterBuildTarget(project.getCompileSourceRoots());
836845
}
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List<File> sourceDirs = new ArrayList<>(sourceDirectories.size());
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for (String sourceDir : sourceDirectories) {
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844853
private List<File> getTestSourceDirectories() {
845854
if (testSourceDirectories == null) {
846-
testSourceDirectories = project.getTestCompileSourceRoots();
855+
testSourceDirectories = filterBuildTarget(project.getTestCompileSourceRoots());
847856
}
848857
List<File> testSourceDirs = new ArrayList<>(testSourceDirectories.size());
849858
for (String testSourceDir : testSourceDirectories) {
850859
testSourceDirs.add(FileUtils.resolveFile(project.getBasedir(), testSourceDir));
851860
}
852861
return testSourceDirs;
853862
}
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private List<String> filterBuildTarget(List<String> sourceDirectories) {
865+
if (!excludeGeneratedSources) {
866+
return sourceDirectories;
867+
}
868+
869+
List<String> filtered = new ArrayList<>(sourceDirectories.size());
870+
Path buildTarget = FileUtils.resolveFile(
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project.getBasedir(), project.getBuild().getDirectory())
872+
.toPath();
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874+
for (String sourceDir : sourceDirectories) {
875+
Path src = FileUtils.resolveFile(project.getBasedir(), sourceDir).toPath();
876+
if (!src.startsWith(buildTarget)) {
877+
filtered.add(sourceDir);
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}
879+
}
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return filtered;
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}
854882
}

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