001/* 002 * Stallion Core: A Modern Web Framework 003 * 004 * Copyright (C) 2015 - 2016 Stallion Software LLC. 005 * 006 * This program is free software: you can redistribute it and/or modify it under the terms of the 007 * GNU General Public License as published by the Free Software Foundation, either version 2 of 008 * the License, or (at your option) any later version. This program is distributed in the hope that 009 * it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of 010 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public 011 * License for more details. You should have received a copy of the GNU General Public License 012 * along with this program. If not, see <http://www.gnu.org/licenses/gpl-2.0.html>. 013 * 014 * 015 * 016 */ 017 018package io.stallion.plugins.javascript; 019 020import io.stallion.exceptions.UsageException; 021import io.stallion.settings.Settings; 022import org.apache.commons.io.FileUtils; 023 024import java.io.File; 025import java.io.IOException; 026 027import static io.stallion.utils.Literals.*; 028import static io.stallion.Context.*; 029 030 031public class JsFileReader { 032 public static String readToString(String file, String pluginFolder) { 033 if (!file.startsWith(Settings.instance().getTargetFolder() + "/js") 034 && !file.startsWith(Settings.instance().getTargetFolder() + "/plugins")) { 035 throw new UsageException("You can cannot access the file " + file + " from this location"); 036 } 037 if (!empty(pluginFolder)) { 038 if (!file.startsWith(pluginFolder)) { 039 throw new UsageException("File " + file + " is not in the javascript folder " + pluginFolder); 040 } 041 } 042 if (!file.endsWith(".js")) { 043 throw new UsageException("This is not a .js file: " + file); 044 } 045 try { 046 return FileUtils.readFileToString(new File(file), "UTF-8"); 047 } catch (IOException e) { 048 throw new RuntimeException(e); 049 } 050 } 051}