爲了實現這樣的功能,應該擴展現有源集(或至少main
和test
源集)。它看起來像main
和test
來源集are defined in JavaPlugin
。通過Convention
對象可以擴展。
public class FooPlugin implements Plugin<ProjectInternal> {
@Override
public void apply(ProjectInternal project) {
project.getPluginManager().apply(JavaPlugin.class);
FooExtension ext = project.getExtensions().create(
"foo",
FooExtension.class,
project,
project.getFileResolver()
);
SourceSetContainer cont = (SourceSetContainer) project.getProperties().get("sourceSets");
cont.all((SourceSet ss) -> {
String name = ss.getName();
File sources = project.file("src/" + name + "/foo");
FooSourceSet fss = ext.getSourceSetsContainer().maybeCreate(name);
SourceDirectorySet sds = fss.getFoo();
sds.srcDir(sources);
Convention sourceSetConvention = (Convention) InvokerHelper.getProperty(ss, "convention");
sourceSetConvention.getPlugins().put("foo", fss);
});
project.task("compileFoo");
}
}
public class FooExtension {
private final NamedDomainObjectContainer<FooSourceSet> sourceSetsContainer;
public FooExtension(Project project, FileResolver fileResolver) {
sourceSetsContainer = project.container(
FooSourceSet.class,
new FooSourceSetFactory(fileResolver)
);
}
public NamedDomainObjectContainer<FooSourceSet> getSourceSetsContainer() {
return sourceSetsContainer;
}
public void srcDir(String file) {
sourceSetsContainer.getByName("main").getFoo().srcDir(file);
}
}
public class FooSourceSetFactory implements NamedDomainObjectFactory<FooSourceSet> {
private final FileResolver fileResolver;
public FooSourceSetFactory(FileResolver fileResolver) {
this.fileResolver = fileResolver;
}
@Override
public FooSourceSet create(String name) {
return new DefaultFooSourceSet(name, fileResolver);
}
}
public interface FooSourceSet {
public String getName();
public SourceDirectorySet getFoo();
public FooSourceSet foo(Closure clsr);
}
public class DefaultFooSourceSet implements FooSourceSet {
final String name;
final SourceDirectorySet foo;
public DefaultFooSourceSet(String displayName, FileResolver fileResolver) {
this.name = displayName;
DefaultDirectoryFileTreeFactory ddftf = new DefaultDirectoryFileTreeFactory();
foo = new DefaultSourceDirectorySet(name, fileResolver, ddftf);
}
@Override
public String getName() {
return name;
}
@Override
public SourceDirectorySet getFoo() {
return foo;
}
@Override
public FooSourceSet foo(Closure clsr) {
ConfigureUtil.configure(clsr, foo);
return this;
}
}
public class CompileFooTask extends DefaultTask {
@TaskAction
public void compileFoo() {
SourceSetContainer cont = (SourceSetContainer) getProject().getProperties().get("sourceSets");
cont.all((SourceSet ss) -> {
FooSourceSet fss = getProject()
.getExtensions()
.getByType(FooExtension.class)
.getSourceSetsContainer()
.maybeCreate(ss.getName());
System.out.println("directories under " + ss.getName()
+ ": " + fss.getFoo().getSrcDirs());
});
}
}
任務compileFoo
表明該插件實際工作。鑑於構建腳本片段從問題它打印這樣的線:
directories under main: [<root>/src/main/foo, <root>/build/generated-sources/gen-foo]
directories under test: [<root>/src/test/foo, <root>/build/generated-sources/gen-test-foo]
使用@ sm4更新代碼[answer](http://stackoverflow.com/a/42335494/2933541) –