Package com.alibaba.dubbo.remoting.telnet

Examples of com.alibaba.dubbo.remoting.telnet.TelnetHandler

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    public String telnet(Channel channel, String message) {
        if (message.length() > 0) {
            if (! extensionLoader.hasExtension(message)) {
                return "No such command " + message;
            }
            TelnetHandler handler = extensionLoader.getExtension(message);
            Help help = handler.getClass().getAnnotation(Help.class);
            StringBuilder buf = new StringBuilder();
            buf.append("Command:\r\n    ");
            buf.append(message + " " + help.parameter().replace("\r\n", " ").replace("\n", " "));
            buf.append("\r\nSummary:\r\n    ");
            buf.append(help.summary().replace("\r\n", " ").replace("\n", " "));
            buf.append("\r\nDetail:\r\n    ");
            buf.append(help.detail().replace("\r\n", "    \r\n").replace("\n", "    \n"));
            return buf.toString();
        } else {
            List<List<String>> table = new ArrayList<List<String>>();
            List<TelnetHandler> handlers = extensionLoader.getActivateExtension(channel.getUrl(), "telnet");
            if (handlers != null && handlers.size() > 0) {
                for (TelnetHandler handler : handlers) {
                    Help help = handler.getClass().getAnnotation(Help.class);
                    List<String> row = new ArrayList<String>();
                    String parameter = " " + extensionLoader.getExtensionName(handler) + " " + (help != null ? help.parameter().replace("\r\n", " ").replace("\n", " ") : "");
                    row.add(parameter.length() > 50 ? parameter.substring(0, 50) + "..." : parameter);
                    String summary = help != null ? help.summary().replace("\r\n", " ").replace("\n", " ") : "";
                    row.add(summary.length() > 50 ? summary.substring(0, 50) + "..." : summary);
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                }
            } else {
                command = "";
            }
            if (commands.contains(command)) {
                TelnetHandler handler = ExtensionLoader.getExtensionLoader(TelnetHandler.class).getExtension(command);
                try {
                    String result = handler.telnet(channel, message);
                    if (result != null) {
                        buf.append(result);
                    }
                } catch (Throwable t) {
                    buf.append(t.getMessage());
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    public String telnet(Channel channel, String message) {
        if (message.length() > 0) {
            if (! ExtensionLoader.getExtensionLoader(TelnetHandler.class).hasExtension(message)) {
                return "No such command " + message;
            }
            TelnetHandler handler = ExtensionLoader.getExtensionLoader(TelnetHandler.class).getExtension(message);
            Help help = handler.getClass().getAnnotation(Help.class);
            StringBuilder buf = new StringBuilder();
            buf.append("Command:\r\n    ");
            buf.append(message + " " + help.parameter().replace("\r\n", " ").replace("\n", " "));
            buf.append("\r\nSummary:\r\n    ");
            buf.append(help.summary().replace("\r\n", " ").replace("\n", " "));
            buf.append("\r\nDetail:\r\n    ");
            buf.append(help.detail().replace("\r\n", "    \r\n").replace("\n", "    \n"));
            return buf.toString();
        } else {
            List<List<String>> table = new ArrayList<List<String>>();
            String telnet = channel.getUrl().getParameter("telnet");
            List<String> cmds = ConfigUtils.mergeValues(TelnetHandler.class, telnet, Constants.DEFAULT_TELNET_COMMANDS);
            for (String cmd : cmds) {
                TelnetHandler handler = ExtensionLoader.getExtensionLoader(TelnetHandler.class).getExtension(cmd);
                Help help = handler.getClass().getAnnotation(Help.class);
                List<String> row = new ArrayList<String>();
                String parameter = " " + cmd + " " + (help != null ? help.parameter().replace("\r\n", " ").replace("\n", " ") : "");
                row.add(parameter.length() > 50 ? parameter.substring(0, 50) + "..." : parameter);
                String summary = help != null ? help.summary().replace("\r\n", " ").replace("\n", " ") : "";
                row.add(summary.length() > 50 ? summary.substring(0, 50) + "..." : summary);
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Related Classes of com.alibaba.dubbo.remoting.telnet.TelnetHandler

  • com.alibaba.dubbo.remoting.telnet.support.command.HelpTelnetHandler
  • com.alibaba.dubbo.remoting.telnet.support.TelnetHandlerAdapter
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