| /* |
| * |
| * 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.qpid.server.management.plugin.servlet.api; |
| |
| import org.codehaus.jackson.map.ObjectMapper; |
| import org.codehaus.jackson.map.ObjectReader; |
| |
| import org.apache.qpid.server.model.Broker; |
| import org.apache.qpid.server.model.Exchange; |
| import org.apache.qpid.server.model.LifetimePolicy; |
| import org.apache.qpid.server.model.State; |
| import org.apache.qpid.server.model.VirtualHost; |
| import org.apache.qpid.server.registry.ApplicationRegistry; |
| |
| import javax.servlet.ServletException; |
| import javax.servlet.http.HttpServlet; |
| import javax.servlet.http.HttpServletRequest; |
| import javax.servlet.http.HttpServletResponse; |
| import java.io.IOException; |
| import java.io.PrintWriter; |
| import java.util.ArrayList; |
| import java.util.Collection; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class ExchangesServlet extends HttpServlet |
| { |
| |
| |
| private Broker _broker; |
| |
| public ExchangesServlet() |
| { |
| super(); |
| _broker = ApplicationRegistry.getInstance().getBroker(); |
| } |
| |
| public ExchangesServlet(Broker broker) |
| { |
| _broker = broker; |
| } |
| |
| protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException |
| { |
| response.setContentType("application/json"); |
| response.setStatus(HttpServletResponse.SC_OK); |
| |
| Collection<VirtualHost> vhosts = _broker.getVirtualHosts(); |
| Collection<Exchange> exchanges = new ArrayList<Exchange>(); |
| Collection<Map<String,Object>> outputObject = new ArrayList<Map<String,Object>>(); |
| |
| final PrintWriter writer = response.getWriter(); |
| |
| ObjectMapper mapper = new ObjectMapper(); |
| String vhostName = null; |
| String exchangeName = null; |
| |
| if(request.getPathInfo() != null && request.getPathInfo().length()>0) |
| { |
| String path = request.getPathInfo().substring(1); |
| String[] parts = path.split("/"); |
| vhostName = parts.length == 0 ? "" : parts[0]; |
| if(parts.length > 1) |
| { |
| exchangeName = parts[1]; |
| } |
| } |
| |
| for(VirtualHost vhost : vhosts) |
| { |
| if(vhostName == null || vhostName.equals(vhost.getName())) |
| { |
| for(Exchange exchange : vhost.getExchanges()) |
| { |
| if(exchangeName == null || exchangeName.equals(exchange.getName())) |
| { |
| outputObject.add(convertToObject(exchange)); |
| if(exchangeName != null) |
| { |
| break; |
| } |
| } |
| } |
| if(vhostName != null) |
| { |
| break; |
| } |
| } |
| } |
| |
| mapper.writeValue(writer, outputObject); |
| |
| } |
| |
| private Map<String,Object> convertToObject(final Exchange exchange) |
| { |
| Map<String, Object> object = new LinkedHashMap<String, Object>(); |
| object.put("name",exchange.getName()); |
| object.put("type", exchange.getExchangeType()); |
| object.put("durable", exchange.isDurable()); |
| object.put("auto-delete", exchange.getLifetimePolicy() == LifetimePolicy.AUTO_DELETE); |
| |
| Map<String,Object> arguments = new HashMap<String, Object>(); |
| for(String key : exchange.getAttributeNames()) |
| { |
| if(!key.equals(Exchange.TYPE)) |
| { |
| arguments.put(key, exchange.getAttribute(key)); |
| } |
| } |
| object.put("arguments", arguments); |
| return object; |
| } |
| |
| protected void doPut(final HttpServletRequest request, final HttpServletResponse response) |
| throws ServletException, IOException |
| { |
| |
| response.setContentType("application/json"); |
| |
| |
| String vhostName = null; |
| String exchangeName = null; |
| if(request.getPathInfo() != null && request.getPathInfo().length()>0) |
| { |
| String path = request.getPathInfo().substring(1); |
| String[] parts = path.split("/"); |
| vhostName = parts.length == 0 ? "" : parts[0]; |
| if(parts.length > 1) |
| { |
| exchangeName = parts[1]; |
| } |
| } |
| if(vhostName == null) |
| { |
| response.setStatus(HttpServletResponse.SC_PRECONDITION_FAILED); |
| } |
| else if (exchangeName == null) |
| { |
| response.setStatus(HttpServletResponse.SC_PRECONDITION_FAILED); |
| } |
| else |
| { |
| VirtualHost vhost = null; |
| for(VirtualHost host : _broker.getVirtualHosts()) |
| { |
| if(host.getName().equals(vhostName)) |
| { |
| vhost = host; |
| } |
| } |
| if(vhost == null) |
| { |
| response.setStatus(HttpServletResponse.SC_PRECONDITION_FAILED); |
| } |
| else |
| { |
| response.setStatus(HttpServletResponse.SC_NO_CONTENT); |
| ObjectMapper mapper = new ObjectMapper(); |
| Map<String,Object> exchangeObject = mapper.readValue(request.getInputStream(), LinkedHashMap.class); |
| |
| final boolean isDurable = exchangeObject.get("durable") instanceof Boolean |
| && ((Boolean)exchangeObject.get("durable")); |
| final boolean isAutoDelete = exchangeObject.get("auto_delete") instanceof Boolean |
| && ((Boolean)exchangeObject.get("auto_delete")); |
| |
| final String type = (String) exchangeObject.get("type"); |
| final Map<String, Object> attributes = new HashMap<String, Object>(exchangeObject); |
| attributes.remove("durable"); |
| attributes.remove("auto_delete"); |
| attributes.remove("type"); |
| |
| vhost.createExchange(exchangeName, State.ACTIVE, isDurable, |
| isAutoDelete ? LifetimePolicy.AUTO_DELETE : LifetimePolicy.PERMANENT, |
| 0l, |
| type, |
| attributes); |
| } |
| |
| |
| |
| } |
| |
| |
| |
| } |
| } |