/* | |
* Copyright 1999-2011 Alibaba Group. | |
* | |
* Licensed 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 com.alibaba.dubbo.rpc.protocol.dubbo.telnet; | |
import java.lang.reflect.Method; | |
import com.alibaba.dubbo.common.extension.Activate; | |
import com.alibaba.dubbo.common.utils.ReflectUtils; | |
import com.alibaba.dubbo.remoting.Channel; | |
import com.alibaba.dubbo.remoting.telnet.TelnetHandler; | |
import com.alibaba.dubbo.remoting.telnet.support.Help; | |
import com.alibaba.dubbo.rpc.Exporter; | |
import com.alibaba.dubbo.rpc.Invoker; | |
import com.alibaba.dubbo.rpc.protocol.dubbo.DubboProtocol; | |
/** | |
* ListTelnetHandler | |
* | |
* @author william.liangf | |
*/ | |
@Activate | |
@Help(parameter = "[-l] [service]", summary = "List services and methods.", detail = "List services and methods.") | |
public class ListTelnetHandler implements TelnetHandler { | |
public String telnet(Channel channel, String message) { | |
StringBuilder buf = new StringBuilder(); | |
String service = null; | |
boolean detail = false; | |
if (message.length() > 0) { | |
String[] parts = message.split("\\s+"); | |
for (String part : parts) { | |
if ("-l".equals(part)) { | |
detail = true; | |
} else { | |
if (service != null && service.length() > 0) { | |
return "Invaild parameter " + part; | |
} | |
service = part; | |
} | |
} | |
} else { | |
service = (String) channel.getAttribute(ChangeTelnetHandler.SERVICE_KEY); | |
if (service != null && service.length() > 0) { | |
buf.append("Use default service " + service + ".\r\n"); | |
} | |
} | |
if (service == null || service.length() == 0) { | |
for (Exporter<?> exporter : DubboProtocol.getDubboProtocol().getExporters()) { | |
if (buf.length() > 0) { | |
buf.append("\r\n"); | |
} | |
buf.append(exporter.getInvoker().getInterface().getName()); | |
if (detail) { | |
buf.append(" -> "); | |
buf.append(exporter.getInvoker().getUrl()); | |
} | |
} | |
} else { | |
Invoker<?> invoker = null; | |
for (Exporter<?> exporter : DubboProtocol.getDubboProtocol().getExporters()) { | |
if (service.equals(exporter.getInvoker().getInterface().getSimpleName()) | |
|| service.equals(exporter.getInvoker().getInterface().getName()) | |
|| service.equals(exporter.getInvoker().getUrl().getPath())) { | |
invoker = exporter.getInvoker(); | |
break; | |
} | |
} | |
if (invoker != null) { | |
Method[] methods = invoker.getInterface().getMethods(); | |
for (Method method : methods) { | |
if (buf.length() > 0) { | |
buf.append("\r\n"); | |
} | |
if (detail) { | |
buf.append(ReflectUtils.getName(method)); | |
} else { | |
buf.append(method.getName()); | |
} | |
} | |
} else { | |
buf.append("No such service " + service); | |
} | |
} | |
return buf.toString(); | |
} | |
} |