| /** |
| * 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 com.alibaba.jstorm.ui.tags; |
| |
| import com.alibaba.jstorm.utils.NetWorkUtils; |
| |
| import javax.servlet.jsp.JspException; |
| import javax.servlet.jsp.JspWriter; |
| import javax.servlet.jsp.tagext.SimpleTagSupport; |
| import java.io.IOException; |
| |
| /** |
| * @author Jark (wuchong.wc@alibaba-inc.com) |
| */ |
| public class HostTag extends SimpleTagSupport { |
| |
| private String ip; |
| |
| public void setIp(String ip) { |
| this.ip = ip; |
| } |
| |
| @Override |
| public void doTag() throws JspException { |
| JspWriter out = getJspContext().getOut(); |
| try { |
| out.write(NetWorkUtils.ip2Host(ip)); |
| } catch (IOException e) { |
| throw new JspException("Error: " + e.getMessage()); |
| } |
| } |
| } |