Replacing Message with item

Hi, as the title explains as what I'm trying to do I'll give you a break down.

In my code I'm trying to do a player chat event that every time someone types "[item]" it replaces the message with the item in their hand. Everytime I do it, it returns in chat [null].

Here's my chat event:

Code:

public void replace chat(AsyncPlayerChatEvent e) {
    if (e.getMessage().contains("[item]")) {
        String is = p.getInventory().getItemInHand().getItemMeta().getDisplayName();
String rmessage = e.getMessage().replace("[item]", "["+is+"]");
e.setMessage(rmessage);
return;
   }
}

P.S I know that getItemInHand() is a 1.8 part. I'm making for a server. Will probably move it to another server for 1.9
P.S.S I typed this on my phone might be some errors, correct my code if I'm wrong.

 

So, that's for custom items so what about normal items, for example stone?

 

I'll keep this thread open to anyone else that comes over it. For now I'll look for my self to see if I find it.

 

Check if the item has an item meta, then check if it has a display name, then check if the name equals the thingy I guess

 

You can create a map of materials and their user friendly name, or you could look into the LocaleLanguage class, which seems to already have a map of everything and a translation based on the player's locale, or you could use a plugin like WhatIsIt.

An example that I came across for the locale translation:

Code:java

 
Player player = // Your player
LocaleLanguage locale = ((CraftPlayer) Player).getHandle().getLocale();
player.sendMessage(l.c("gui.yes"));
 
/*
Will send the player "yes" in english, and "aye" in pirate language.
*/
 

EDIT: Stupid me. The getLocale method no longer exists, try this: https://bukkit.org/threads/get-a-players-minecraft-language.172468/

EDIT2: Stupid me (again). Turns out you can just use new LocaleLanguage().c("gui.yes"); Minecraft defaults to creating a LocaleLanguage in US English. You could create a new class with this code:

Code:java

 
package net.minecraft.server.v1_12_R1;
 
import com.google.common.base.Splitter;
import com.google.common.collect.Iterables;
import com.google.common.collect.Maps;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.IllegalFormatException;
import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.apache.commons.io.IOUtils;
 
public class LocaleLanguage
{
  private static final Pattern a = Pattern.compile("%(\\d+\\$)?[\\d\\.]*[df]");
  private static final Splitter b = Splitter.on('=').limit(2);
 
  private static final LocaleLanguage c = new LocaleLanguage();
 
  private final Map<String, String> d = Maps.newHashMap();
  private long e;
 
  public LocaleLanguage()
  {
    try
    {
      InputStream localInputStream = LocaleLanguage.class.getResourceAsStream("/assets/minecraft/lang/en_us.lang"); // YOU NEED TO CHANGE THE LANGUAGE HERE (soz for the caps)
      for (String str1 : IOUtils.readLines(localInputStream, StandardCharsets.UTF_8))
      {
        if ((!str1.isEmpty()) && (str1.charAt(0) != '#'))
        {
          String[] arrayOfString = (String[])Iterables.toArray(b.split(str1), String.class);
 
          if ((arrayOfString != null) && (arrayOfString.length == 2))
          {
            String str2 = arrayOfString[0];
            String str3 = a.matcher(arrayOfString[1]).replaceAll("%$1s");
 
            this.d.put(str2, str3);
          }
        }
      }
      this.e = System.currentTimeMillis();
    }
    catch (IOException localIOException)
    {
    }
  }
 
  static LocaleLanguage a() {
    return c;
  }
 
  public synchronized String a(String paramString)
  {
    return c(paramString);
  }
 
  public synchronized String a(String paramString, Object[] paramArrayOfObject) {
    String str = c(paramString);
    try {
      return String.format(str, paramArrayOfObject); } catch (IllegalFormatException localIllegalFormatException) {
    }
    return "Format error: " + str;
  }
 
  private String c(String paramString)
  {
    String str = (String)this.d.get(paramString);
    return str == null ? paramString : str;
  }
 
  public synchronized boolean b(String paramString) {
    return this.d.containsKey(paramString);
  }
 
  public long c() {
    return this.e;
  }
}

EDIT3: wow this is a lot of edits.. The above code is for 1.12, idk if it matters, but you might wanna use the 1.8 code instead.

EDIT4: Umm I seem to have overlooked that minecraft doesn't have the same names as bukkit, oh well, it was a fun experiment, list of the translation for the player (in english). I'm not sure what the '[m' at the end is, but it can be safely ignored. You'll have to create a DB by yourself, or use something like WhatIsIt