| /* |
| * 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.ConfigException; |
| import org.apache.tamaya.spi.ListValue; |
| import org.apache.tamaya.spi.ObjectValue; |
| import org.apache.tamaya.spi.PropertyValue; |
| import org.hjson.JsonArray; |
| import org.hjson.JsonObject; |
| import org.hjson.JsonValue; |
| |
| import java.util.Objects; |
| |
| /** |
| * Visitor implementation to read a HJSON asString input source. |
| */ |
| class HJSONDataBuilder { |
| |
| private String resource; |
| private PropertyValue data; |
| private JsonValue root; |
| |
| HJSONDataBuilder(String resource, JsonValue root) { |
| this.resource = Objects.requireNonNull(resource); |
| this.root = root; |
| } |
| |
| private void addJsonObject(JsonObject jsonObject, ObjectValue dataNode){ |
| jsonObject.forEach((m) -> { |
| switch(m.getValue().getType()) { |
| case BOOLEAN: |
| dataNode.setValue(m.getName(), String.valueOf(m.getValue().asBoolean())); |
| break; |
| case NUMBER: |
| dataNode.setValue(m.getName(), String.valueOf(m.getValue().asDouble())); |
| break; |
| case STRING: |
| dataNode.setValue(m.getName(), m.getValue().asString()); |
| break; |
| case NULL: |
| dataNode.setValue(m.getName(), null); |
| break; |
| case OBJECT: |
| ObjectValue oval = dataNode.setObject(m.getName()); |
| addJsonObject((JsonObject)m.getValue(), oval); |
| break; |
| case ARRAY: |
| ListValue aval = dataNode.setList(m.getName()); |
| addArray((JsonArray)m.getValue(), aval); |
| break; |
| default: |
| throw new ConfigException("Internal failure while processing JSON document."); |
| } |
| }); |
| } |
| |
| private void addArray(JsonArray array, ListValue dataNode) { |
| array.forEach(val -> { |
| switch(val.getType()) { |
| case NULL: |
| break; |
| case BOOLEAN: |
| dataNode.addValue(String.valueOf(val.asBoolean())); |
| break; |
| case NUMBER: |
| case STRING: |
| dataNode.addValue(val.toString()); |
| break; |
| case OBJECT: |
| ObjectValue oval = dataNode.addObject(); |
| addJsonObject((JsonObject)val, oval); |
| break; |
| case ARRAY: |
| ListValue aval = dataNode.addList(); |
| addArray((JsonArray)val, aval); |
| break; |
| default: |
| throw new ConfigException("Internal failure while processing JSON document."); |
| } |
| }); |
| } |
| |
| public PropertyValue build() { |
| if (root instanceof JsonObject) { |
| data = PropertyValue.createObject(""); |
| addJsonObject((JsonObject)root, (ObjectValue) data); |
| } else if (root instanceof JsonArray) { |
| JsonArray array = (JsonArray)root; |
| data = PropertyValue.createList(""); |
| addArray(array, (ListValue)data); |
| } else { |
| throw new ConfigException("Unknown JsonType encountered: " + root.getClass().getName()); |
| } |
| data.setMeta("resource", resource); |
| data.setMeta("format", "json"); |
| return data; |
| } |
| |
| } |