| /* |
| * 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.johnzon.jaxrs.xml; |
| |
| import org.w3c.dom.Document; |
| import org.w3c.dom.NamedNodeMap; |
| import org.w3c.dom.Node; |
| import org.w3c.dom.NodeList; |
| |
| import jakarta.json.Json; |
| import jakarta.json.JsonArrayBuilder; |
| import jakarta.json.JsonBuilderFactory; |
| import jakarta.json.JsonObjectBuilder; |
| import javax.xml.stream.XMLStreamException; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.LinkedHashMap; |
| import java.util.LinkedList; |
| import java.util.Map; |
| |
| public class WadlDocumentToJson { |
| private final JsonBuilderFactory builderFactory = Json.createBuilderFactory(Collections.<String, Object>emptyMap()); |
| |
| public String convert(final Document doc) throws XMLStreamException { |
| final JsonObjectBuilder builder = builderFactory.createObjectBuilder(); |
| if (doc.getChildNodes().getLength() != 1) { |
| return "{}"; |
| } |
| final Node item = doc.getChildNodes().item(0); |
| return builder.add(item.getNodeName(), createNode(item)).build().toString(); |
| } |
| |
| private void addChildrens(/*final String nodeName, */final JsonObjectBuilder builder, final NodeList children) { |
| final Map<String, Collection<Node>> nodesByName = new LinkedHashMap<String, Collection<Node>>(); |
| for (int i = 0; i < children.getLength(); i++) { |
| final Node node = children.item(i); |
| if ("#text".equals(node.getNodeName())) { |
| continue; |
| } |
| |
| final String name = node.getNodeName(); |
| Collection<Node> nodes = nodesByName.get(name); |
| if (nodes == null) { |
| nodes = new LinkedList<Node>(); |
| nodesByName.put(name, nodes); |
| } |
| nodes.add(node); |
| } |
| |
| for (final Map.Entry<String, Collection<Node>> entry : nodesByName.entrySet()) { |
| final JsonArrayBuilder arrayBuilder = builderFactory.createArrayBuilder(); |
| for (final Node n : entry.getValue()) { |
| final JsonObjectBuilder jsonObjectBuilder = createNode(n); |
| if (jsonObjectBuilder != null) { |
| arrayBuilder.add(jsonObjectBuilder); |
| } |
| } |
| builder.add(entry.getKey(), arrayBuilder); |
| } |
| } |
| |
| private JsonObjectBuilder createNode(final Node node) { |
| JsonObjectBuilder childBuilder = null; |
| |
| if (node.hasAttributes()) { |
| childBuilder = builderFactory.createObjectBuilder(); |
| final NamedNodeMap attributes = node.getAttributes(); |
| for (int j = 0; j < attributes.getLength(); j++) { |
| final Node namedItem = attributes.item(j); |
| childBuilder.add(namedItem.getNodeName(), namedItem.getNodeValue()); |
| } |
| } |
| |
| if (node.hasChildNodes()) { |
| if (childBuilder == null) { |
| childBuilder = builderFactory.createObjectBuilder(); |
| } |
| addChildrens(/*node.getNodeName(),*/ childBuilder, node.getChildNodes()); |
| } |
| return childBuilder; |
| } |
| } |