Java tutorial
/** * Copyright 2005-2016 Red Hat, Inc. * * Red Hat 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 io.hawt.testing.env.builtin; import java.io.IOException; import java.util.HashMap; import java.util.Map; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import io.hawt.testing.Version; import io.hawt.testing.env.Environment; import org.jolokia.util.RequestType; import org.json.simple.JSONObject; /** * Empty environment, where Jolokia agent serves as little information as possible */ public class EmptyJolokiaEnvironment implements Environment { public JSONObject handle(RequestType request) { Map<String, String> map = new HashMap<>(); switch (request) { case VERSION: map.put("agent", Version.version); map.put("protocol", org.jolokia.Version.getProtocolVersion()); break; case READ: case LIST: case WRITE: case EXEC: case SEARCH: throw new UnsupportedOperationException("Unsupported operation \"" + request + "\""); } return new JSONObject(map); } @Override public void handle(HttpServletRequest req, HttpServletResponse resp) throws IOException { resp.setContentType("application/json"); resp.setCharacterEncoding("UTF-8"); if (req.getPathInfo().equals("")) { resp.getWriter().print(handle(RequestType.VERSION).toJSONString()); } resp.getWriter().close(); } }