Created GMS CLI client application

/gms-ui/target/

/gms-ui/target/

/gms/nbactions-release-profile.xml

/gms/nbactions-release-profile.xml

/gms-client/gms-client-lib/target/

/gms-client/gms-cli/target/

HELP.md

target/

!.mvn/wrapper/maven-wrapper.jar

!**/src/main/**

!**/src/test/**

### STS ###

.apt_generated

.classpath

.factorypath

.project

.settings

.springBeans

.sts4-cache

### IntelliJ IDEA ###

.idea

*.iws

*.iml

*.ipr

### NetBeans ###

/nbproject/private/

/nbbuild/

/dist/

/nbdist/

/.nb-gradle/

build/

### VS Code ###

.vscode/

base_url=http://localhost:8081

client_id=test

client_secret=test

<?xml version="1.0" encoding="UTF-8"?>

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"

         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">

    <modelVersion>4.0.0</modelVersion>

    <parent>

        <groupId>org.springframework.boot</groupId>

        <artifactId>spring-boot-starter-parent</artifactId>

        <version>2.1.7.RELEASE</version>

        <relativePath/> <!-- lookup parent from repository -->

    </parent>

    <groupId>it.inaf.ia2</groupId>

    <artifactId>gms-cli</artifactId>

    <version>0.0.1-SNAPSHOT</version>

    <name>gms-cli</name>

    <description>GMS Command Line Client</description>

    <properties>

        <java.version>1.8</java.version>

    </properties>

    <dependencies>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter</artifactId>

        </dependency>

        <dependency>

            <groupId>org.springframework.boot</groupId>

            <artifactId>spring-boot-starter-test</artifactId>

            <scope>test</scope>

        </dependency>

        <dependency>

            <groupId>${project.groupId}</groupId>

            <artifactId>gms-client-lib</artifactId>

            <version>1.0-SNAPSHOT</version>

        </dependency>

    </dependencies>

    <build>

        <plugins>

            <plugin>

                <groupId>org.springframework.boot</groupId>

                <artifactId>spring-boot-maven-plugin</artifactId>

            </plugin>

        </plugins>

    </build>

</project>

package it.inaf.ia2.gms.cli;

import it.inaf.ia2.gms.client.GmsClient;

import java.io.File;

import java.io.FileInputStream;

import java.io.IOException;

import java.io.InputStream;

import java.util.ArrayList;

import java.util.List;

import java.util.Properties;

import org.springframework.boot.CommandLineRunner;

import org.springframework.stereotype.Component;

@Component

public class CLI implements CommandLineRunner {

    private final GmsClient client;

    public CLI() throws IOException {

        File config = new File("gms.properties");

        if (!config.exists()) {

            System.err.println("Unable to find the file gms.properties");

            System.exit(1);

        }

        Properties properties = new Properties();

        try (InputStream in = new FileInputStream(config)) {

            properties.load(in);

        }

        String baseUrl = (String) properties.get("base_url");

        if (baseUrl == null) {

            System.err.println("Missing base_url in gms.properties");

            System.exit(1);

        }

        String clientId = (String) properties.get("client_id");

        if (clientId == null) {

            System.err.println("Missing client_id in gms.properties");

            System.exit(1);

        }

        String clientSecret = (String) properties.get("client_secret");

        if (clientSecret == null) {

            System.err.println("Missing client_secret in gms.properties");

            System.exit(1);

        }

        client = new GmsClient(baseUrl, clientId, clientSecret);

    }

    @Override

    public void run(String... args) throws Exception {

        if (args.length < 2) {

            displayUsage();

        }

        switch (args[0]) {

            case "create-group":

                client.createGroup(getNames(args, 1));

                System.out.println("Group created");

                break;

            case "delete-group":

                client.deleteGroup(getNames(args, 1));

                System.out.println("Group deleted");

                break;

            case "add-member":

                if (args.length < 3) {

                    displayUsage();

                }

                client.addMember(getNames(args, args.length - 2), args[args.length - 1]);

                System.out.println("Member added");

                break;

            case "remove-member":

                if (args.length < 3) {

                    displayUsage();

                }

                client.removeMember(getNames(args, args.length - 2), args[args.length - 1]);

                System.out.println("Member removed");

                break;

            case "add-permission":

                if (args.length < 4) {

                    displayUsage();

                }

                client.addPermission(getNames(args, args.length - 3), args[args.length - 2], args[args.length - 1]);

                System.out.println("Permission added");

                break;

            case "delete-permission":

                if (args.length < 4) {

                    displayUsage();

                }

                client.deletePermission(getNames(args, args.length - 3), args[args.length - 2], args[args.length - 1]);

                System.out.println("Permission added");

                break;

            case "prepare-join":

                if (args.length != 3) {

                    displayUsage();

                }

                client.prepareToJoin(args[1], args[2]);

                System.out.println("Join prepared");

                break;

            default:

                displayUsage();

                break;

        }

    }

    private void displayUsage() {

        System.out.println("java -jar gms-client.jar\n"

                + "    create-group <name1 name2 name3>\n"

                + "    delete-group <name1 name2 name3>\n"

                + "    add-member <name1 name2 name3> <user_id>\n"

                + "    remove-member <name1 name2 name3> <user_id>\n"

                + "    add-permission <name1 name2 name3> <user_id> <permission>\n"

                + "    delete-permission <name1 name2 name3> <user_id> <permission>\n"

                + "    prepare-join <from_user_id> <to_user_id>");

        System.exit(0);

    }

    private List<String> getNames(String[] args, int startIndex) {

        return getNames(args, startIndex, args.length - 1);

    }

    private List<String> getNames(String[] args, int startIndex, int endIndex) {

        List<String> names = new ArrayList<>();

        for (int i = startIndex; i <= endIndex; i++) {

            names.add(args[i]);

        }

        return names;

    }

}