001/* 002 * Configurate 003 * Copyright (C) zml and Configurate contributors 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.spongepowered.configurate.examples; 018 019import org.spongepowered.configurate.ConfigurateException; 020import org.spongepowered.configurate.ConfigurationNode; 021import org.spongepowered.configurate.hocon.HoconConfigurationLoader; 022import org.spongepowered.configurate.yaml.YamlConfigurationLoader; 023 024import java.nio.file.Paths; 025 026/** 027 * An example of how to convert a configuration between two formats. 028 */ 029public final class FormatConversion { 030 031 private FormatConversion() {} 032 033 public static void main(final String[] args) { 034 // First off: we build two loaders, one with our old format pointing to the old location 035 final YamlConfigurationLoader oldFormat = YamlConfigurationLoader.builder() 036 .path(Paths.get("widgets.yml")) 037 .build(); 038 039 // and a second one for our target format, pointing to the new location 040 final HoconConfigurationLoader newFormat = HoconConfigurationLoader.builder() 041 .path(Paths.get("widgets.conf")) 042 .build(); 043 044 // We try to load the file into a node using the source format 045 final ConfigurationNode oldNode; 046 try { 047 oldNode = oldFormat.load(); 048 } catch (final ConfigurateException e) { 049 System.err.println("Unable to read YAML configuration: " + e.getMessage()); 050 if (e.getCause() != null) { 051 e.getCause().printStackTrace(); 052 } 053 System.exit(1); 054 return; 055 } 056 057 // And if we're successful, we save the loaded node using the new loader 058 try { 059 newFormat.save(oldNode); 060 } catch (final ConfigurateException e) { 061 System.out.println("Unable to save HOCON format configuration: " + e.getMessage()); 062 System.exit(2); 063 return; 064 } 065 System.out.println("Successfully converted widgets.yml to widgets.conf!"); 066 } 067 068}