Add the command to transfer all the prisoners in one jail to another.

src/main/java/com/graywolf336/jail/command/JailHandler.java

@@ -26,6 +26,7 @@ import com.graywolf336.jail.command.subcommands.JailRemoveCellCommand;
 import com.graywolf336.jail.command.subcommands.JailStopCommand;
 import com.graywolf336.jail.command.subcommands.JailTeleInCommand;
 import com.graywolf336.jail.command.subcommands.JailTeleOutCommand;
+import com.graywolf336.jail.command.subcommands.JailTransferAllCommand;
 import com.graywolf336.jail.command.subcommands.JailTransferCommand;
 import com.graywolf336.jail.command.subcommands.JailVersionCommand;
 import com.graywolf336.jail.enums.LangString;
@@ -179,6 +180,7 @@ public class JailHandler {
 		load(JailStopCommand.class);
 		load(JailTeleInCommand.class);
 		load(JailTeleOutCommand.class);
+		load(JailTransferAllCommand.class);
 		load(JailTransferCommand.class);
 		load(JailVersionCommand.class);
 	}

src/main/java/com/graywolf336/jail/command/subcommands/JailTransferAllCommand.java

@@ -0,0 +1,56 @@
+package com.graywolf336.jail.command.subcommands;
+
+import java.util.HashSet;
+
+import org.bukkit.command.CommandSender;
+
+import com.graywolf336.jail.JailManager;
+import com.graywolf336.jail.beans.Jail;
+import com.graywolf336.jail.beans.Prisoner;
+import com.graywolf336.jail.command.Command;
+import com.graywolf336.jail.command.CommandInfo;
+import com.graywolf336.jail.enums.LangString;
+
+@CommandInfo(
+		maxArgs = 2,
+		minimumArgs = 2,
+		needsPlayer = false,
+		pattern = "transferall|transall",
+		permission = "jail.command.jailtransferall",
+		usage = "/jail transferall oldjail targetjail"
+	)
+public class JailTransferAllCommand implements Command {
+	public boolean execute(JailManager jm, CommandSender sender, String... args) throws Exception {
+		if(jm.getJails().isEmpty()) {
+			sender.sendMessage(jm.getPlugin().getJailIO().getLanguageString(LangString.NOJAILS));
+			return true;
+		}
+		
+		jm.getPlugin().debug("Starting to transfer everyone from '" + args[1] + "' into '" + args[2] + "'.");
+		
+		//Check if the oldjail is not a valid jail
+		if(!jm.isValidJail(args[1])) {
+			sender.sendMessage(jm.getPlugin().getJailIO().getLanguageString(LangString.NOJAIL, args[1]));
+			return true;
+		}else if(!jm.isValidJail(args[2])) {
+			//Check if the targetjail is a valid jail as well
+			sender.sendMessage(jm.getPlugin().getJailIO().getLanguageString(LangString.NOJAIL, args[2]));
+			return true;
+		}
+		
+		jm.getPlugin().debug("Sending the transferring off, jail checks all came clean.");
+		
+		Jail old = jm.getJail(args[1]);
+		HashSet<Prisoner> oldPrisoners = new HashSet<Prisoner>(old.getAllPrisoners());
+		
+		//Transfer all the prisoners
+		for(Prisoner p : oldPrisoners) {
+			jm.getPlugin().getPrisonerManager().transferPrisoner(old, old.getCellPrisonerIsIn(p.getName()), jm.getJail(args[2]), null, p);
+		}
+		
+		//Send the messages to the sender when completed
+		sender.sendMessage(jm.getPlugin().getJailIO().getLanguageString(LangString.TRANSFERALLCOMPLETE, new String[] { old.getName(), args[2] }));
+		
+		return true;
+	}
+}

src/main/java/com/graywolf336/jail/enums/LangString.java

@@ -74,6 +74,8 @@ public enum LangString {
 	TELEIN ("jailing"),
 	/** The message sent to the sender when they teleport someone to a jail's teleport out location. */
 	TELEOUT ("jailing"),
+	/** The message sent to the sender when they transfer all a jail's prisoners to another jail. */
+	TRANSFERALLCOMPLETE ("jailing"),
 	/** The message sent to the sender when they transfer someone to a jail and a cell. */
 	TRANSFERCOMPLETECELL ("jailing"),
 	/** The message sent to the sender when they transfer someone to a jail. */

src/main/resources/en.yml

@@ -53,6 +53,7 @@ language:
     suggestedcell: '&cAn empty cell in the same jail, %0%, was found: %1%'
     telein: "&9Teleported %0% to %1%'s teleport in location."
     teleout: "&9Teleported %0% to %1%'s teleport out location."
+    transferallcomplete: '&2Successfully transferred all the prisoners from %0% to %1%.'
     transfercompletecell: '&2Successfully transferred %0% to %1% in the cell %2%.'
     transfercompletenocell: '&2Successfully transferred %0% to %1%.'
     transferred: '&9You have been transferred to %0%.'