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package ui.tui;
import model.ca.Template;
import model.x501.Name;
/**
* The screen that allows users to list templates and manage them.
*/
public class TemplatesScreen implements UIHandler {
private final JCA session;
/**
* EFFECTS: Init with the session.
*/
public TemplatesScreen(JCA session) {
this.session = session;
}
/**
* EFFECTS: Print help.
*/
@Override
public void help() {
System.out.println("show\tList templates\n"
+ "add\tCreate a new template\n"
+ "enable\tEnable a template\n"
+ "disable\tDisable a template\n"
+ "delete\tDelete a template\n"
+ "exit\tGo to main menu\n"
+ "help\tPrint this message");
}
/**
* EFFECTS: List templates in Name[ENABLED / DISABLED] Subject Validity format.
*/
@Override
public void show() {
session.getCa().getTemplates().forEach(tem ->
System.out.printf("%s[%s]\t%s\t%d Days\n",
tem.getName(),
tem.isEnabled() ? "ENABLED" : "DISABLED",
tem.getSubject(),
tem.getValidity()));
}
/**
* EFFECTS: Create a new template with the given name and switch to the template set screen.
*/
private void handleAdd(String... args) {
if (args.length <= 1) {
System.out.println("Usage: add <name>");
return;
}
if (session.getCa().findTemplate(args[1], false) != null) {
System.out.println("The template already exists.");
return;
}
session.setScreen(Screen.TEMPLATE_SET,
new Template(args[1], false, (Name) null, 30));
}
/**
* EFFECTS: Handle the enable / disable commands.
* MODIFIES: session
*/
private void handleEnableDisable(boolean enable, String... args) {
if (args.length <= 1) {
System.out.printf("Usage: %s <template>\n", enable ? "enable" : "disable");
return;
}
Template tmp = session.getCa().findTemplate(args[1], false);
if (tmp == null) {
System.out.println("Cannot find the template specified");
return;
}
session.getCa().setTemplateEnable(tmp, enable);
session.setUnsaved(true);
}
/**
* EFFECTS: Handle the delete command
* MODIFIES: session
*/
private void handleDelete(String... args) {
if (args.length <= 1) {
System.out.println("Usage: delete <template>");
return;
}
Template tmp = session.getCa().findTemplate(args[1], true);
if (tmp == null) {
System.out.println("Cannot find the template specified");
return;
}
session.getCa().removeTemplate(tmp);
session.setUnsaved(true);
}
/**
* EFFECTS: Handle commands.
*/
@Override
public void command(String... args) {
switch (args[0]) {
case "add":
handleAdd(args);
break;
case "enable":
handleEnableDisable(true, args);
break;
case "disable":
handleEnableDisable(false, args);
break;
case "delete":
handleDelete(args);
break;
default:
help();
break;
}
}
/**
* EFFECTS: Go to main menu.
*/
@Override
public Screen exit() {
return Screen.MAIN;
}
/**
* EFFECTS: Return "/templates/ %"
*/
@Override
public String getPS1() {
return "/templates/ %";
}
}
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