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Respect CompilerConfiguration.sourceFiles in EclipseJavaCompiler
Just like JavacCompiler does, to avoid "FilerException: Source file already created" during annotation processing when running mvn without clean after changing code.
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‎plexus-compiler-its/src/main/it/eclipse-compiler-mapstruct/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.java.version = 1.8+
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# without-dummy profile is used to have compiler plugin do actual compilation in the second run
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invoker.name.1 = Initial build
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invoker.goals.1 = clean compile -Pwithout-dummy
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invoker.buildResult.1 = success
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invoker.name.2 = Subsequent build without clean
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invoker.goals.2 = compile
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invoker.buildResult.2 = success

‎plexus-compiler-its/src/main/it/eclipse-compiler-mapstruct/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/maven-v4_0_0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<groupId>org.codehaus.plexus.compiler.it</groupId>
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<artifactId>simple-javac</artifactId>
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<version>1.0-SNAPSHOT</version>
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<name>Test for default configuration</name>
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<properties>
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<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
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<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
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<maven.compiler.source>1.8</maven.compiler.source>
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<maven.compiler.target>1.8</maven.compiler.target>
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<org.mapstruct.version>1.5.2.Final</org.mapstruct.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.mapstruct</groupId>
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<artifactId>mapstruct</artifactId>
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<version>${org.mapstruct.version}</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.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<version>3.10.1</version>
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<configuration>
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<compilerId>eclipse</compilerId>
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</configuration>
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<dependencies>
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<dependency>
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<groupId>org.codehaus.plexus</groupId>
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<artifactId>plexus-compiler-api</artifactId>
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<version>@pom.version@</version>
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</dependency>
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<dependency>
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<groupId>org.codehaus.plexus</groupId>
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<artifactId>plexus-compiler-eclipse</artifactId>
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<version>@pom.version@</version>
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</dependency>
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<dependency>
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<groupId>org.mapstruct</groupId>
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<artifactId>mapstruct-processor</artifactId>
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<version>${org.mapstruct.version}</version>
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</dependency>
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</dependencies>
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</plugin>
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</plugins>
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</build>
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<profiles>
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<profile>
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<id>without-dummy</id>
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<build>
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<plugins>
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<plugin>
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<groupId>org.apache.maven.plugins</groupId>
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<artifactId>maven-compiler-plugin</artifactId>
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<configuration>
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<excludes>
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<exclude>**/Dummy.java</exclude>
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</excludes>
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</configuration>
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</plugin>
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</plugins>
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</build>
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</profile>
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</profiles>
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</project>

‎plexus-compiler-its/src/main/it/eclipse-compiler-mapstruct/src/main/java/Car.java‎

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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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public class Car
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{
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public String make;
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public int numberOfSeats;
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}

‎plexus-compiler-its/src/main/it/eclipse-compiler-mapstruct/src/main/java/CarDto.java‎

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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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public class CarDto
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{
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public String make;
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public int seatCount;
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}

‎plexus-compiler-its/src/main/it/eclipse-compiler-mapstruct/src/main/java/CarMapper.java‎

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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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import org.mapstruct.Mapper;
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import org.mapstruct.Mapping;
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import org.mapstruct.factory.Mappers;
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@Mapper
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public interface CarMapper
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{
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CarMapper INSTANCE = Mappers.getMapper( CarMapper.class );
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@Mapping( source = "numberOfSeats", target = "seatCount" )
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CarDto carToCarDto( Car car );
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}

‎plexus-compiler-its/src/main/it/eclipse-compiler-mapstruct/src/main/java/Dummy.java‎

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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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public class Dummy
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{
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}

‎plexus-compiler-its/src/main/it/eclipse-compiler-mapstruct/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 mapperImplClass = new File( basedir, "target/classes/CarMapperImpl.class" )
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assert mapperImplClass.exists()
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def dummyClass = new File( basedir, "target/classes/Dummy.class" )
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assert dummyClass.exists()
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File buildLog = new File( basedir, 'build.log' )
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assert buildLog.text.count( "Changes detected - recompiling the module!" ) == 2

‎plexus-compilers/plexus-compiler-eclipse/src/main/java/org/codehaus/plexus/compiler/eclipse/EclipseJavaCompiler.java‎

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import java.nio.charset.IllegalCharsetNameException;
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import java.nio.charset.UnsupportedCharsetException;
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import java.util.ArrayList;
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import java.util.HashSet;
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import java.util.Arrays;
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import java.util.Iterator;
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import java.util.LinkedHashSet;
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import java.util.List;
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import java.util.Locale;
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import java.util.Map.Entry;
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import java.util.ServiceLoader;
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import java.util.Set;
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import org.codehaus.plexus.compiler.AbstractCompiler;
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import org.codehaus.plexus.compiler.Compiler;
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import org.codehaus.plexus.compiler.CompilerConfiguration;
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import org.codehaus.plexus.compiler.CompilerOutputStyle;
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import org.codehaus.plexus.compiler.CompilerResult;
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import org.codehaus.plexus.component.annotations.Component;
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import org.codehaus.plexus.util.DirectoryScanner;
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import org.codehaus.plexus.util.StringUtils;
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import org.eclipse.jdt.core.compiler.CompilationProgress;
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import org.eclipse.jdt.core.compiler.batch.BatchCompiler;
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args.add( config.getOutputLocation() );
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171167
// Annotation processors defined?
172-
List<String> extraSourceDirs = new ArrayList<>();
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if ( !isPreJava1_6( config ) )
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{
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File generatedSourcesDir = config.getGeneratedSourcesDirectory();
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if ( generatedSourcesDir != null )
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{
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generatedSourcesDir.mkdirs();
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extraSourceDirs.add( generatedSourcesDir.getAbsolutePath() );
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//-- option to specify where annotation processor is to generate its output
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args.add( "-s" );
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}
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// Collect sources
250-
Set<String> allSources = new HashSet<>();
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for ( String source : config.getSourceLocations() )
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{
253-
File srcFile = new File( source );
254-
if ( srcFile.exists() )
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{
256-
Set<String> ss = getSourceFilesForSourceRoot( config, source );
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allSources.addAll( ss );
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}
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}
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for ( String extraSrcDir : extraSourceDirs )
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{
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File extraDir = new File( extraSrcDir );
263-
if ( extraDir.isDirectory() )
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{
265-
addExtraSources( extraDir, allSources );
266-
}
267-
}
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List<String> allSources = Arrays.asList( getSourceFiles( config ) );
268245
List<CompilerMessage> messageList = new ArrayList<>();
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if ( allSources.isEmpty() )
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{
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504481
return false;
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}
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static Set<String> resortSourcesToPutModuleInfoFirst( Set<String> allSources )
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static List<String> resortSourcesToPutModuleInfoFirst( List<String> allSources )
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{
509-
Set<String> resorted = new LinkedHashSet<>( allSources.size() );
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List<String> resorted = new ArrayList<>( allSources.size() );
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511488
for ( String mi : allSources )
512489
{
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654631
return null;
655632
}
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657-
private void addExtraSources( File dir, Set<String> allSources )
658-
{
659-
DirectoryScanner scanner = new DirectoryScanner();
660-
scanner.setBasedir( dir.getAbsolutePath() );
661-
scanner.setIncludes( new String[]{ "**/*.java" } );
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scanner.scan();
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for ( String file : scanner.getIncludedFiles() )
664-
{
665-
allSources.add( new File( dir, file ).getAbsolutePath() );
666-
}
667-
}
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669634
private CompilerMessage.Kind convert( Diagnostic.Kind kind )
670635
{
671636
if ( kind == null )

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