com.hyf.hotrefresh.common.args.AnnotatedArgumentParserAdapter Maven / Gradle / Ivy
package com.hyf.hotrefresh.common.args;
import java.lang.annotation.Annotation;
import java.util.List;
import java.util.Map;
/**
* @author baB_hyf
* @date 2022/06/18
*/
public class AnnotatedArgumentParserAdapter implements AnnotatedArgumentParser {
private ArgumentParser parser;
private Argument argument;
public AnnotatedArgumentParserAdapter(ArgumentParser parser) {
if (parser == null) {
throw new IllegalArgumentException("Parser must not be null");
}
this.parser = parser;
Argument argument = parser.getClass().getAnnotation(Argument.class);
if (argument == null) {
if (parser instanceof AnnotatedArgumentParser) {
argument = createArgumentUseAnnotatedArgumentParser((AnnotatedArgumentParser) parser);
}
else {
argument = createDefaultArgument();
}
}
this.argument = argument;
}
@Override
public void init(Map initArgs) {
parser.init(initArgs);
}
@Override
public void parse(Map parsedArgs, List segments) {
parser.parse(parsedArgs, segments);
}
private Argument createDefaultArgument() {
return new Argument() {
@Override
public Class annotationType() {
return Argument.class;
}
@Override
public String[] value() {
return new String[0];
}
@Override
public int argc() {
return 0;
}
};
}
private Argument createArgumentUseAnnotatedArgumentParser(AnnotatedArgumentParser parser) {
return new Argument() {
@Override
public Class annotationType() {
return Argument.class;
}
@Override
public String[] value() {
return parser.value();
}
@Override
public int argc() {
return parser.argc();
}
};
}
@Override
public String[] value() {
return argument.value();
}
@Override
public int argc() {
return argument.argc();
}
}