001/*
002 * jPOS Project [http://jpos.org]
003 * Copyright (C) 2000-2026 jPOS Software SRL
004 *
005 * This program is free software: you can redistribute it and/or modify
006 * it under the terms of the GNU Affero General Public License as
007 * published by the Free Software Foundation, either version 3 of the
008 * License, or (at your option) any later version.
009 *
010 * This program is distributed in the hope that it will be useful,
011 * but WITHOUT ANY WARRANTY; without even the implied warranty of
012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
013 * GNU Affero General Public License for more details.
014 *
015 * You should have received a copy of the GNU Affero General Public License
016 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
017 */
018
019package org.jpos.core;
020
021import java.io.IOException;
022import java.nio.file.Files;
023import java.nio.file.Path;
024import java.nio.file.Paths;
025
026public class FileEnvironmentProvider implements EnvironmentProvider {
027    @Override
028    public String prefix() {
029        return "file::";
030    }
031
032    @Override
033    public String get(String config) {
034        Path path = Paths.get(config);
035        try {
036            return String.join(System.lineSeparator(), Files.readAllLines(path));
037        } catch (IOException e) {
038            return config;
039        }
040    }
041}