@Override
public LineProcessor execute(final ExecutionContext context, final LineProcessor output) {
final UniqArguments args = getArguments(context);
// input from file?
if (args.isFileSet()) {
final FileInput input = new FileInput(args.getFile());
return getFileInputProcessor(Collections.singletonList(input), context, output, args);
} else if (args.isPathSet()) {
final List<File> files = FileUtil.expandFiles(context.getCurrentDirectory(), args.getPath());
final List<FileInput> inputs = FileInput.multiple(files);
return getFileInputProcessor(inputs, context, output, args);
}
// no, from standard input
return getStandardInputProcessor(context, output, args);
}
private LineProcessor getStandardInputProcessor(
ExecutionContext context, LineProcessor output, UniqArguments args) {
if (args.isGlobal()) {
if (args.isUniqueOnly()) {
return new GlobalProcessor.UniqueOnly(this, context, output);
} else if (args.isDuplicatedOnly()) {
return new GlobalProcessor.DuplicateOnly(this, context, output);
} else if (args.isCount()) {
return new GlobalProcessor.Count(this, context, output);
}
return new GlobalProcessor.Normal(this, context, output);
} else {
if (args.isUniqueOnly()) {
return new AdjacentProcessor.UniqueOnly(this, context, output);
} else if (args.isDuplicatedOnly()) {
return new AdjacentProcessor.DuplicateOnly(this, context, output);
} else if (args.isCount()) {
return new AdjacentProcessor.Count(this, context, output);
}
return new AdjacentProcessor.Normal(this, context, output);
}
}
