CheckInstallPath.java

/*
 * This file is part of FTB Launcher.
 *
 * Copyright © 2012-2016, FTB Launcher Contributors <https://github.com/Slowpoke101/FTBLaunch/>
 * FTB Launcher is licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.ftb.util;

import java.io.File;

import net.ftb.locale.I18N;
import net.ftb.log.Logger;
import net.ftb.util.OSUtils.OS;

public class CheckInstallPath
{
	public String installPath;
	// What kind of action should caller do
	public Action action;
	// Error/Warn message
	public String message;
	// Localized message to show in dialog
	public String localizedMessage;
	// name of the Setting which controls if check is skipped
	// all settings starts with "CIP_" => we can later add
	// button to clear those settings
	public String setting;

	public static enum Action
	{
		OK,
		WARN,
		BLOCK,
	}

	public CheckInstallPath (String path)
	{
		this(path, false);
	}

	public CheckInstallPath (String path, boolean calledFromLaunchFrame)
	{
		installPath = path;
		File f = new File(path);
		String defaultLocation = "C:\\FTNT";

		/**
		 * Messages are shown by FirstRunDialog and by LaunchFrame
		 * E.g.
		 * FirstRunDialog opens tossError with message + "\nPlease select again"
		 * LaunchFrame opens tossOKIgnoreDialog with message
		 *
		 */
		String pathRegex = "[\\w:\\\\/ \\-\\.]+";

		if (OSUtils.getCurrentOS() == OS.WINDOWS && System.getenv("ProgramFiles") != null && path.contains(System.getenv("ProgramFiles")))
		{
			message = "Installing under C:\\Program Files\\ or similar is not supported. Please select a new location such as " + defaultLocation;
			localizedMessage = I18N.getLocaleString("CIP_PROGRAMFILES") + defaultLocation;
			action = Action.BLOCK;
			Logger.logError(message);
		}
		else if (!path.matches(pathRegex))
		{
			String s = path.replaceAll(pathRegex, "");
			message = "Unsupported installation directory. Forge does not support following character(s): " + s + " Please select a new location such as " + defaultLocation;
			localizedMessage = I18N.getLocaleString("CIP_BADPATH").replace("LIST", s) + defaultLocation;
			action = Action.BLOCK;
			Logger.logError(message);
		}
		else if (OSUtils.getCurrentOS() == OS.WINDOWS && path.contains("Content.IE5"))
		{
			setting = "CIP_internetfiles";
			message = "You cannot install FTB to your Temporary Internet Files directory. Please select a new location such as " + defaultLocation;
			localizedMessage = I18N.getLocaleString("CIP_INTERNETFILES") + defaultLocation;
			action = Action.BLOCK;
			Logger.logError(message);
		}
		/*
		 * else if (OSUtils.getCurrentOS()==OS.WINDOWS && System.getenv("USERPROFILE")!=null && path.contains(System.getenv("USERPROFILE"))) {
		 * setting = "CIP_userprofile";
		 * message = ("Installing under C:\\Users\\<username> is not recommended and can cause problems. We suggest you select a new location such as " + defaultLocation);
		 * localizedMessage = I18N.getLocaleString("CIP_USERPROFILE") + defaultLocation;
		 * if (!Settings.getSettings().getBoolean(setting)) {
		 * action = Action.WARN;
		 * Logger.logWarn(message);
		 * } else {
		 * action = Action.OK;
		 * Logger.logDebug("ignored: " + setting);
		 * }
		 * }
		 */ else if (f.isDirectory() && !f.canWrite())
		{
			message = "Could not write to the FTB installation directory. Please select a folder which you have permission to write to.";
			localizedMessage = I18N.getLocaleString("CIP_WRITEPROTECT");
			action = Action.BLOCK;
			Logger.logError(message);
		}
		// special case. This must be ignored at InstallDirectoryDialog
		else if (calledFromLaunchFrame && !f.exists())
		{
			message = "FTB installation directory not found!";
			localizedMessage = I18N.getLocaleString("CIP_EXISTS");
			action = Action.BLOCK;
			Logger.logError(message);
		}
		else if (!calledFromLaunchFrame && !f.exists())
		{
			f.mkdirs();
			if (!f.exists() || !f.canWrite())
			{
				message = "Could not create FTB installation location";
				localizedMessage = I18N.getLocaleString("CIP_CREATE");
				action = Action.BLOCK;
				Logger.logError(message);
			}
		}
		else
		{
			action = Action.OK;
		}
	}
}