package org.springframework.roo.shell.converters;
import java.util.List;
import org.springframework.roo.shell.Completion;
import org.springframework.roo.shell.Converter;
import org.springframework.roo.shell.MethodTarget;
import org.springframework.roo.shell.SimpleParser;
/**
* Available commands converter.
*
* @author Ben Alex
* @since 1.0
*/
public class AvailableCommandsConverter implements Converter<String> {
public String convertFromText(final String text,
final Class<?> requiredType, final String optionContext) {
return text;
}
public boolean getAllPossibleValues(final List<Completion> completions,
final Class<?> requiredType, final String existingData,
final String optionContext, final MethodTarget target) {
if (target.getTarget() instanceof SimpleParser) {
final SimpleParser cmd = (SimpleParser) target.getTarget();
// Only include the first word of each command
for (final String s : cmd.getEveryCommand()) {
if (s.contains(" ")) {
completions.add(new Completion(s.substring(0,
s.indexOf(" "))));
}
else {
completions.add(new Completion(s));
}
}
}
return true;
}
public boolean supports(final Class<?> requiredType,
final String optionContext) {
return String.class.isAssignableFrom(requiredType)
&& "availableCommands".equals(optionContext);
}
}