001 package org.apache.hadoop.hdfs.server.datanode;
002
003 import javax.servlet.*;
004 import javax.servlet.http.*;
005 import javax.servlet.jsp.*;
006 import org.apache.hadoop.hdfs.server.common.JspHelper;
007 import org.apache.hadoop.util.ServletUtil;
008 import org.apache.hadoop.conf.Configuration;
009
010 public final class tail_jsp extends org.apache.jasper.runtime.HttpJspBase
011 implements org.apache.jasper.runtime.JspSourceDependent {
012
013
014 //for java.io.Serializable
015 private static final long serialVersionUID = 1L;
016
017 private static java.util.List _jspx_dependants;
018
019 public Object getDependants() {
020 return _jspx_dependants;
021 }
022
023 public void _jspService(HttpServletRequest request, HttpServletResponse response)
024 throws java.io.IOException, ServletException {
025
026 JspFactory _jspxFactory = null;
027 PageContext pageContext = null;
028 HttpSession session = null;
029 ServletContext application = null;
030 ServletConfig config = null;
031 JspWriter out = null;
032 Object page = this;
033 JspWriter _jspx_out = null;
034 PageContext _jspx_page_context = null;
035
036
037 try {
038 _jspxFactory = JspFactory.getDefaultFactory();
039 response.setContentType("text/html; charset=UTF-8");
040 pageContext = _jspxFactory.getPageContext(this, request, response,
041 null, true, 8192, true);
042 _jspx_page_context = pageContext;
043 application = pageContext.getServletContext();
044 config = pageContext.getServletConfig();
045 session = pageContext.getSession();
046 out = pageContext.getOut();
047 _jspx_out = out;
048
049
050 /*
051 * Licensed to the Apache Software Foundation (ASF) under one
052 * or more contributor license agreements. See the NOTICE file
053 * distributed with this work for additional information
054 * regarding copyright ownership. The ASF licenses this file
055 * to you under the Apache License, Version 2.0 (the
056 * "License"); you may not use this file except in compliance
057 * with the License. You may obtain a copy of the License at
058 *
059 * http://www.apache.org/licenses/LICENSE-2.0
060 *
061 * Unless required by applicable law or agreed to in writing, software
062 * distributed under the License is distributed on an "AS IS" BASIS,
063 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
064 * See the License for the specific language governing permissions and
065 * limitations under the License.
066 */
067
068 out.write("<!DOCTYPE html>\n<html>\n<head>\n");
069 JspHelper.createTitle(out, request, request.getParameter("filename"));
070 out.write("</head>\n<body>\n<form action=\"/tail.jsp\" method=\"GET\">\n");
071
072 Configuration conf =
073 (Configuration) application.getAttribute(JspHelper.CURRENT_CONF);
074 DatanodeJspHelper.generateFileChunksForTail(out,request, conf);
075
076 out.write("</form>\n<hr>\n\n<h2>Local logs</h2>\n<a href=\"/logs/\">Log</a> directory\n\n");
077
078 out.println(ServletUtil.htmlFooter());
079
080 } catch (Throwable t) {
081 if (!(t instanceof SkipPageException)){
082 out = _jspx_out;
083 if (out != null && out.getBufferSize() != 0)
084 out.clearBuffer();
085 if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);
086 }
087 } finally {
088 if (_jspxFactory != null) _jspxFactory.releasePageContext(_jspx_page_context);
089 }
090 }
091 }