| /* |
| * 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.camel.generator.swagger; |
| |
| import java.io.StringReader; |
| import java.io.StringWriter; |
| |
| import javax.xml.XMLConstants; |
| import javax.xml.parsers.DocumentBuilder; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.transform.Transformer; |
| import javax.xml.transform.TransformerFactory; |
| import javax.xml.transform.dom.DOMSource; |
| import javax.xml.transform.stream.StreamResult; |
| |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| import org.w3c.dom.NodeList; |
| |
| import org.xml.sax.InputSource; |
| |
| import io.swagger.models.Swagger; |
| import org.apache.camel.CamelContext; |
| import org.apache.camel.model.ModelHelper; |
| import org.apache.camel.model.rest.RestsDefinition; |
| import org.apache.camel.util.ObjectHelper; |
| |
| public class RestDslXmlGenerator extends RestDslGenerator<RestDslXmlGenerator> { |
| |
| private boolean blueprint; |
| |
| RestDslXmlGenerator(final Swagger swagger) { |
| super(swagger); |
| } |
| |
| public String generate(final CamelContext context) throws Exception { |
| final RestDefinitionEmitter emitter = new RestDefinitionEmitter(context); |
| |
| final PathVisitor<RestsDefinition> restDslStatement = new PathVisitor<>(swagger.getBasePath(), emitter, filter, |
| destinationGenerator()); |
| |
| swagger.getPaths().forEach(restDslStatement::visit); |
| |
| final RestsDefinition rests = emitter.result(); |
| final String xml = ModelHelper.dumpModelAsXml(context, rests); |
| |
| final DocumentBuilderFactory builderFactory = DocumentBuilderFactory.newInstance(); |
| builderFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, true); |
| builderFactory.setFeature("http://apache.org/xml/features/disallow-doctype-decl", true); |
| builderFactory.setNamespaceAware(true); |
| |
| final DocumentBuilder builder = builderFactory.newDocumentBuilder(); |
| |
| final Document document = builder.parse(new InputSource(new StringReader(xml))); |
| |
| final Element root = document.getDocumentElement(); |
| |
| if (blueprint) { |
| document.renameNode(root, "http://camel.apache.org/schema/blueprint", root.getTagName()); |
| } |
| |
| // remove all customId attributes as we do not want them in the output |
| final NodeList elements = document.getElementsByTagName("*"); |
| for (int i = 0; i < elements.getLength(); i++) { |
| final Element element = (Element) elements.item(i); |
| element.removeAttribute("customId"); |
| } |
| |
| if (restComponent != null) { |
| final Element configuration = document.createElement("restConfiguration"); |
| configuration.setAttribute("component", restComponent); |
| |
| if (restContextPath != null) { |
| configuration.setAttribute("contextPath", restContextPath); |
| } |
| |
| if (ObjectHelper.isNotEmpty(apiContextPath)) { |
| configuration.setAttribute("apiContextPath", apiContextPath); |
| } |
| |
| root.insertBefore(configuration, root.getFirstChild()); |
| } |
| |
| final TransformerFactory transformerFactory = TransformerFactory.newInstance(); |
| transformerFactory.setFeature(XMLConstants.FEATURE_SECURE_PROCESSING, Boolean.TRUE); |
| final Transformer transformer = transformerFactory.newTransformer(); |
| |
| final StringWriter writer = new StringWriter(); |
| transformer.transform(new DOMSource(document), new StreamResult(writer)); |
| |
| return writer.toString(); |
| } |
| |
| public RestDslXmlGenerator withBlueprint() { |
| blueprint = true; |
| return this; |
| } |
| } |