How to correctly configure the Util ARGS framework in the Java library
How to correctly configure the Util ARGS framework in the Java library
Util ARGS is a Java -based command line parameter analysis framework, which can help developers simplify the analysis process of command line parameters.In this article, we will learn how to correctly configure the Util ARGS framework in the Java library.
1. Download Util ARGS framework
First, we need to download the latest version of the frame package from Util ARGS's official website (https://util-rags.io/).Unzip the downloaded file to a directory of the project.
2. Configuration project dependencies
Open the configuration file of the construction management tool (such as Maven or Gradle) of your Java project and add the following dependencies:
<dependency>
<groupId>com.github.fengyuchenglun.util</groupId>
<artifactId>util-args</artifactId>
<version>1.0.0</version>
</dependency>
Alternatively, if you do not use the construction management tool, you can manually add the jar file of the Util ARGS framework to the project path.
3. Create command line parameter analysis class
Create a new class in your Java project and add the following code:
import io.utilargs.UtilArgs;
import io.utilargs.configuration.ConfigurableArg;
import io.utilargs.util.MethodParameterType;
public class CommandLineParser {
private String inputFile;
private int count;
public void setInputFile(String inputFile) {
this.inputFile = inputFile;
}
public void setCount(int count) {
this.count = count;
}
public String getInputFile() {
return inputFile;
}
public int getCount() {
return count;
}
public static void main(String[] args) {
UtilArgs utilArgs = new UtilArgs();
utilArgs.addArg(new ConfigurableArg<>("inputFile", "i", "Input file",
MethodParameterType.STRING, CommandLineParser::setInputFile));
utilArgs.addArg(new ConfigurableArg<>("count", "c", "Count",
MethodParameterType.INTEGER, CommandLineParser::setCount));
CommandLineParser parser = new CommandLineParser();
utilArgs.parseArgs(parser, args);
// Perform your business logic here
System.out.println ("Input file:" + Parser.getinputfile ());
System.out.println ("Counting:" + Parser.getCount ());
}
}
This class demonstrates how to define two command line parameters (`InputFile` and` Count`) and their types and options.You can add more parameters according to your needs.
4. Compile and run code
Use a compiler (such as Javac) to compile your Java class and use the following command to run the program:
sh
java CommandLineParser -i input.txt -c 10
The output will display the parameter value of the command line you set.
This is the step of correcting the Util ARGS framework in the Java library.You can expand and modify this example code according to your needs to achieve more complex command line parameter analysis functions.
