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package cz.crcs.ectester.common.cli;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.ParseException;
import java.util.Iterator;
import java.util.List;
import java.util.Objects;
import java.util.Properties;
import java.util.function.BiFunction;
/**
* @author Jan Jancar johny@neuromancer.sk
*/
public class TreeCommandLine extends CommandLine {
private String name = "";
private TreeCommandLine next;
private CommandLine cli;
public TreeCommandLine(CommandLine cli, TreeCommandLine next) {
this.cli = cli;
this.next = next;
}
public TreeCommandLine(String name, CommandLine cli, TreeCommandLine next) {
this(cli, next);
this.name = name;
}
public void setName(String name) {
this.name = name;
}
public String getName() {
return name;
}
public String getNextName() {
if (next != null) {
return next.getName();
}
return null;
}
public TreeCommandLine getNext() {
return next;
}
public boolean isNext(String next) {
return Objects.equals(getNextName(), next);
}
public CommandLine getThis() {
return cli;
}
public int getDepth() {
if (next == null) {
return 0;
}
return next.getDepth() + 1;
}
private <T> T getOption(String opt, BiFunction<CommandLine, String, T> getter, T defaultValue) {
if (opt.contains(".")) {
String[] parts = opt.split("\\.", 2);
if (next != null && parts[0].equals(next.getName())) {
T result = getter.apply(next, parts[1]);
if (result != null)
return result;
return defaultValue;
}
return defaultValue;
}
return getter.apply(cli, opt);
}
@Override
public boolean hasOption(String opt) {
return getOption(opt, CommandLine::hasOption, false);
}
@Override
public boolean hasOption(char opt) {
return cli.hasOption(opt);
}
@Override
public Object getParsedOptionValue(String opt) throws ParseException {
if (opt.contains(".")) {
String[] parts = opt.split(".", 2);
if (next != null && parts[0].equals(next.getName())) {
return next.getParsedOptionValue(parts[1]);
}
return null;
}
return cli.getParsedOptionValue(opt);
}
@Override
public Object getOptionObject(char opt) {
return cli.getOptionObject(opt);
}
@Override
public String getOptionValue(String opt) {
return getOption(opt, CommandLine::getOptionValue, null);
}
@Override
public String getOptionValue(char opt) {
return cli.getOptionValue(opt);
}
@Override
public String[] getOptionValues(String opt) {
return getOption(opt, CommandLine::getOptionValues, null);
}
@Override
public String[] getOptionValues(char opt) {
return cli.getOptionValues(opt);
}
@Override
public String getOptionValue(String opt, String defaultValue) {
return getOption(opt, CommandLine::getOptionValue, defaultValue);
}
@Override
public String getOptionValue(char opt, String defaultValue) {
return cli.getOptionValue(opt, defaultValue);
}
@Override
public Properties getOptionProperties(String opt) {
return getOption(opt, CommandLine::getOptionProperties, new Properties());
}
@Override
public Iterator<Option> iterator() {
return cli.iterator();
}
@Override
public Option[] getOptions() {
return cli.getOptions();
}
public boolean hasArg(int index) {
return getArg(index) != null;
}
public String getArg(int index) {
if (next != null) {
return next.getArg(index);
}
String[] args = cli.getArgs();
if (index >= args.length) {
return null;
}
if (index < 0 && -index > args.length) {
return null;
}
return index < 0 ? args[args.length + index] : args[index];
}
@Override
public String[] getArgs() {
return cli.getArgs();
}
@Override
public List<String> getArgList() {
return cli.getArgList();
}
}
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