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https://github.com/silentsoft/arguments-parser

Java command line arguments parser. Do not parsing main(String[] args) anymore !
https://github.com/silentsoft/arguments-parser

arguments command-line parser

Last synced: 10 months ago
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Java command line arguments parser. Do not parsing main(String[] args) anymore !

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# Arguments Parser

[![Maven Central](https://img.shields.io/maven-central/v/org.silentsoft/arguments-parser)](https://search.maven.org/artifact/org.silentsoft/arguments-parser)
[![Build Status](https://app.travis-ci.com/silentsoft/arguments-parser.svg?branch=master)](https://app.travis-ci.com/silentsoft/arguments-parser)
[![Quality Gate Status](https://sonarcloud.io/api/project_badges/measure?project=silentsoft_arguments-parser&metric=alert_status)](https://sonarcloud.io/dashboard?id=silentsoft_arguments-parser)
[![Coverage](https://sonarcloud.io/api/project_badges/measure?project=silentsoft_arguments-parser&metric=coverage)](https://sonarcloud.io/dashboard?id=silentsoft_arguments-parser)
[![Hits](https://hits.sh/github.com/silentsoft/arguments-parser.svg)](https://hits.sh/github.com/silentsoft/arguments-parser/)

> Do not parsing main(args) anymore !

`Arguments Parser` is a simple java library to parse command line arguments.

## Supported Formats
* -a -b
* -key1=value1 -key2=value2
* -key1 value1 -key2 value2
* -key1=value1 value2 -key2=value3 value4
* -key1 value1 value2 -key2 value3 value4
* --a --b
* --key1=value1 --key2=value2
* --key1 value1 --key2 value2
* --key1=value1 value2 --key2=value3 value4
* --key1 value1 value2 --key2 value3 value4

## Maven Central
```xml

org.silentsoft
arguments-parser
2.0.1

```

## Usage
```java
public static void main(String[] args) throws Exception {
Arguments arguments = Arguments.parser(args).parse();
}
```

## Advanced Topics

### Arguments Helper Usage
If the `args` contains one of the following help commands then `ArgumentsHelper.help(Arguments)` will be invoked.
* -help
* --help
* -?
* --?
```java
public static void main(String[] args) throws Exception {
Arguments arguments = parseArguments(args);
}

private static Arguments parseArguments(String[] args) throws InvalidArgumentsException {
return Arguments.parser(args).help(arguments -> {
StringBuilder builder = new StringBuilder();
builder.append("Usage: java -jar application.jar [arguments]\n");
builder.append("\n");
builder.append("Common arguments:\n");
// ...
System.out.println(builder.toString());

System.exit(0);
}).parse();
}
```

### Arguments Validator Usage
```java
public static void main(String[] args) throws Exception {
Arguments arguments = parseArguments(args);
}

private static Arguments parseArguments(String[] args) throws InvalidArgumentsException {
return Arguments.parser(args).validate(arguments -> {
if (arguments.containsKey("-a") && arguments.containsKey("-b")) {
throw new InvalidArgumentsException("'-a' and '-b' cannot be exists together.");
}

return true;
}).parse();
}
```

### Parsing Options with dash prefix
* LEAVE_DASH_PREFIX `(default)`
* CASE_SENSITIVE_SINGLE_DASH `(default)`
* CASE_INSENSITIVE_SINGLE_DASH
* CASE_SENSITIVE_DOUBLE_DASH
* CASE_INSENSITIVE_DOUBLE_DASH `(default)`

### Parsing Options without dash prefix
* REMOVE_DASH_PREFIX
* CASE_SENSITIVE
* CASE_INSENSITIVE

### Usage
```java
public static void main(String[] args) throws Exception {
Arguments arguments = Arguments.parser(args, ParsingOptions...).parse();
}
```

## Packaging
```
$ mvn clean package
```

## Contributing
Pull requests are welcome. For major changes, please open an issue first to discuss what you would like to change.

Please note we have a [CODE_OF_CONDUCT](https://github.com/silentsoft/arguments-parser/blob/master/CODE_OF_CONDUCT.md), please follow it in all your interactions with the project.

## License
Please refer to [LICENSE](https://github.com/silentsoft/arguments-parser/blob/master/LICENSE.txt).