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Blazingly fast Minecraft world manipulation for artists, builders and everyone else.
/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see .
*/
package com.sk89q.minecraft.util.commands;
import javax.annotation.Nullable;
import java.util.ArrayList;
import java.util.List;
import java.util.ListIterator;
import static com.google.common.base.Preconditions.checkNotNull;
public class CommandException extends Exception {
private final List commandStack = new ArrayList<>();
public CommandException() {
super();
}
public CommandException(String message) {
super(message);
}
public CommandException(String message, Throwable t) {
super(message, t);
}
public CommandException(Throwable t) {
super(t);
}
public void prependStack(String name) {
commandStack.add(name);
}
/**
* Gets the command that was called, which will include the sub-command
* (i.e. "/br sphere").
*
* @param prefix the command shebang character (such as "/") -- may be empty
* @param spacedSuffix a suffix to put at the end (optional) -- may be null
* @return the command that was used
*/
public String getCommandUsed(String prefix, @Nullable String spacedSuffix) {
checkNotNull(prefix);
StringBuilder builder = new StringBuilder();
if (prefix != null) {
builder.append(prefix);
}
ListIterator li = commandStack.listIterator(commandStack.size());
while (li.hasPrevious()) {
if (li.previousIndex() != commandStack.size() - 1) {
builder.append(" ");
}
builder.append(li.previous());
}
if (spacedSuffix != null) {
if (builder.length() > 0) {
builder.append(" ");
}
builder.append(spacedSuffix);
}
return builder.toString().trim();
}
}