content: /*
   * 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.quarkus.component.management.it;
  
  import java.lang.management.ManagementFactory;
  import java.util.Iterator;
  import java.util.List;
  import java.util.Set;
  
  import javax.management.MBeanServer;
  import javax.management.MalformedObjectNameException;
  import javax.management.ObjectInstance;
  import javax.management.ObjectName;
  
  import jakarta.inject.Inject;
  import jakarta.ws.rs.DELETE;
  import jakarta.ws.rs.GET;
  import jakarta.ws.rs.PATCH;
  import jakarta.ws.rs.POST;
  import jakarta.ws.rs.Path;
  import jakarta.ws.rs.Produces;
  import jakarta.ws.rs.QueryParam;
  import jakarta.ws.rs.core.MediaType;
  import org.apache.camel.CamelContext;
  import org.apache.camel.ProducerTemplate;
  
  @Path("/management")
  public class ManagementResource {
  
      @Inject
      ProducerTemplate template;
  
      @Inject
      CamelContext camelContext;
  
      @GET
      @Path("/context/name")
      @Produces(MediaType.TEXT_PLAIN)
      public String getContextName() {
          return camelContext.getName();
      }
  
      @GET
      @Path("/attribute")
      @Produces(MediaType.TEXT_PLAIN)
      public String getMBeanAttribute(@QueryParam("name") String name, @QueryParam("attribute") String attribute)
              throws Exception {
          ObjectInstance mbean = getMBean(name);
          if (mbean != null) {
              return String.valueOf(getMBeanServer().getAttribute(mbean.getObjectName(), attribute));
          }
          return null;
      }
  
      @POST
      @Path("/invoke")
      @Produces(MediaType.TEXT_PLAIN)
      public String invokeMBeanOperation(@QueryParam("name") String name, @QueryParam("operation") String operation)
              throws Exception {
          ObjectInstance mbean = getMBean(name);
          if (mbean != null) {
              return String.valueOf(getMBeanServer().invoke(mbean.getObjectName(), operation, new Object[] {}, new String[] {}));
          }
          return null;
      }
  
      @POST
      @Path("/invokeXml")
      @Produces(MediaType.APPLICATION_XML)
      public String invokeMBeanXmlOperation(@QueryParam("name") String name, @QueryParam("operation") String operation,
              @QueryParam("paramValues") List<String> paramValues, @QueryParam("paramTypes") List<String> paramTypes)
              throws Exception {
          Object[] values = new Object[paramValues.size()];
          String[] types = new String[paramTypes.size()];
  
          for (int i = 0; i < paramValues.size(); i++) {
              String valueStr = paramValues.get(i);
              String typeStr = paramTypes.get(i);
  
              switch (typeStr) {
              case "boolean":
                  values[i] = Boolean.parseBoolean(valueStr);
                  break;
              }
              types[i] = typeStr;
          }
          ObjectInstance mbean = getMBean(name);
          if (mbean != null) {
              return String.valueOf(getMBeanServer().invoke(mbean.getObjectName(), operation, values, types));
          }
          return null;
      }
  
      @POST
      @Path("/invoke/route")
      public String invokeRoute(@QueryParam("endpointUri") String endpointUri) {
          return template.requestBody(endpointUri, null, String.class);
      }
  
      @PATCH
      @Path("/route")
      public void updateRoute(@QueryParam("routeId") String routeId, String xml) throws Exception {
          String mbeanName = "org.apache.camel:context=%s,type=routes,name=\"%s\"".formatted(getContextName(), routeId);
          ObjectInstance mbean = getMBean(mbeanName);
          getMBeanServer().invoke(mbean.getObjectName(), "updateRouteFromXml",
                  new Object[] { xml },
                  new String[] { String.class.getName() });
      }
  
      @DELETE
      @Path("/route")
      public void removeRoute(@QueryParam("routeId") String routeId) throws Exception {
          // No need for JMX in this case as we're just cleaning up for a test case
          camelContext.removeRoute(routeId);
      }
  
      private ObjectInstance getMBean(String name) throws MalformedObjectNameException {
          ObjectName objectName = new ObjectName(name);
          Set<ObjectInstance> mbeans = getMBeanServer().queryMBeans(objectName, null);
          Iterator<ObjectInstance> iterator = mbeans.iterator();
          if (iterator.hasNext()) {
              return iterator.next();
          }
          return null;
      }
  
      private MBeanServer getMBeanServer() {
          return ManagementFactory.getPlatformMBeanServer();
      }
  }
  