import org.gradle.api.file.RelativePath;
import org.gradle.api.internal.file.pattern.PatternMatcher;

public class MatchingCopyAction implements Action<FileCopyDetails> {

    private final PatternMatcher matcher;

    private final Action<? super FileCopyDetails> toApply;

    public MatchingCopyAction(PatternMatcher matcher, Action<? super FileCopyDetails> toApply) {
        this.matcher = matcher;
        this.toApply = toApply;

        when:
        spec.filesMatching 'root/**/a*', Actions.doNothing()

        then:
        spec.copyActions.size() == 1
        def (copyAction) = spec.copyActions
        copyAction instanceof MatchingCopyAction
        PatternMatcher matcher = copyAction.matcher

        ['/root/folder/abc', '/root/abc'].each {
            assertMatches matcher, it
        }

        return eachFile(new MatchingCopyAction(matcher, action));
    }

    @Override
    public CopySpec filesNotMatching(String pattern, Action<? super FileCopyDetails> action) {
        PatternMatcher matcher = PatternMatcherFactory.getPatternMatcher(true, isCaseSensitive(), pattern);
        return eachFile(new MatchingCopyAction(matcher.negate(), action));
    }

    @Override

        when:
        copySpec.filesMatching("**/*.java", Actions.doNothing())

        then:
        1 == childResolver.allCopyActions.size()
        childResolver.allCopyActions[0] instanceof MatchingCopyAction
    }

    private FileCopyDetails details(String file) {
        FileCopyDetails details = Mock()
        details.relativeSourcePath >> RelativePath.parse(true, file)
        details
    }