org.bukkit.craftbukkit.help.CommandAliasHelpTopic Maven / Gradle / Ivy

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package org.bukkit.craftbukkit.help;

import org.apache.commons.lang.Validate;
import org.bukkit.ChatColor;
import org.bukkit.command.CommandSender;
import org.bukkit.help.HelpMap;
import org.bukkit.help.HelpTopic;

public class CommandAliasHelpTopic extends HelpTopic {

  private final String aliasFor;
  private final HelpMap helpMap;

  public CommandAliasHelpTopic(String alias, String aliasFor, HelpMap helpMap) {
    this.aliasFor = aliasFor.startsWith("/") ? aliasFor : "/" + aliasFor;
    this.helpMap = helpMap;
    this.name = alias.startsWith("/") ? alias : "/" + alias;
    Validate.isTrue(!this.name.equals(this.aliasFor), "Command " + this.name + " cannot be alias for itself");
    this.shortText = ChatColor.YELLOW + "Alias for " + ChatColor.WHITE + this.aliasFor;
  }

  @Override
  public String getFullText(CommandSender forWho) {
    StringBuilder sb = new StringBuilder(shortText);
    HelpTopic aliasForTopic = helpMap.getHelpTopic(aliasFor);
    if (aliasForTopic != null) {
      sb.append("\n");
      sb.append(aliasForTopic.getFullText(forWho));
    }
    return sb.toString();
  }

  @Override
  public boolean canSee(CommandSender commandSender) {
    if (amendedPermission == null) {
      HelpTopic aliasForTopic = helpMap.getHelpTopic(aliasFor);
      if (aliasForTopic != null) {
        return aliasForTopic.canSee(commandSender);
      } else {
        return false;
      }
    } else {
      return commandSender.hasPermission(amendedPermission);
    }
  }
}