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Fix availability feature

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- Bring back some missing functionality which got missing
  during the rework to new command model.
- Polish some classes.
- Restore origin sample.
- Add availability things into help templates and its
  representation model.
- Fixes #423
This commit is contained in:
Janne Valkealahti
2022-06-14 09:56:17 +01:00
parent b2f96e679a
commit 39c01fe00b
10 changed files with 208 additions and 41 deletions
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50
spring-shell-samples/src/main/java/org/springframework/shell/samples/standard/DynamicCommands.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2017-2021 the original author or authors.
* Copyright 2017-2022 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -29,29 +29,37 @@ import org.springframework.shell.standard.ShellMethodAvailability;
@ShellComponent
public class DynamicCommands {
private boolean connected;
private boolean connected;
public Availability authenticateAvailability() {
return connected ? Availability.available() : Availability.unavailable("you are not connected");
}
private boolean authenticated;
@ShellMethod(value = "Authenticate with the system", group = "Dynamic Commands")
public void authenticate(String credentials) {
}
public Availability authenticateAvailability() {
return connected ? Availability.available() : Availability.unavailable("you are not connected");
}
@ShellMethod(value = "Connect to the system", group = "Dynamic Commands")
public void connect() {
connected = true;
}
@ShellMethod(value = "Authenticate with the system", group = "Dynamic Commands")
public void authenticate(String credentials) {
authenticated = "sesame".equals(credentials);
}
@ShellMethod(value = "Disconnect from the system", group = "Dynamic Commands")
public void disconnect() {
connected = false;
}
@ShellMethod(value = "Connect to the system", group = "Dynamic Commands")
public void connect() {
connected = true;
}
@ShellMethod(value = "Blow Everything up", group = "Dynamic Commands")
@ShellMethodAvailability("dangerousAvailability")
public String blowUp() {
return "Boom!";
}
@ShellMethod(value = "Disconnect from the system", group = "Dynamic Commands")
public void disconnect() {
connected = false;
}
@ShellMethod(value = "Blow Everything up", group = "Dynamic Commands")
@ShellMethodAvailability("dangerousAvailability")
public String blowUp() {
return "Boom!";
}
public Availability dangerousAvailability() {
return connected && authenticated ? Availability.available()
: Availability.unavailable("you failed to authenticate. Try 'sesame'.");
}
}