| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.tamaya.hjson; |
| |
| import org.apache.tamaya.format.ConfigurationData; |
| import org.apache.tamaya.format.ConfigurationFormat; |
| import org.hjson.JsonValue; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.io.InputStreamReader; |
| import java.net.URL; |
| import java.nio.charset.Charset; |
| import java.util.HashMap; |
| import java.util.Map; |
| import java.util.Objects; |
| |
| /** |
| * Implementation of the {@link ConfigurationFormat} |
| * able to read configuration properties with comments represented in HJSON |
| * |
| * @see <a href="http://www.hjson.org">JSON format specification</a> |
| */ |
| public class HJSONFormat implements ConfigurationFormat { |
| |
| @Override |
| public String getName() { |
| return "hjson"; |
| } |
| |
| @Override |
| public boolean accepts(URL url) { |
| return Objects.requireNonNull(url).getPath().endsWith(".hjson"); |
| } |
| |
| @Override |
| public ConfigurationData readConfiguration(String resource, InputStream inputStream) |
| throws IOException{ |
| try{ |
| JsonValue root = JsonValue.readHjson(new InputStreamReader(inputStream, Charset.forName("UTF-8"))); |
| HJSONDataBuilder dataBuilder = new HJSONDataBuilder(resource, root); |
| return new ConfigurationData(resource, this, dataBuilder.build()); |
| } catch(Exception e) { |
| throw new IOException("Failed to read data from " + resource, e); |
| } |
| } |
| } |