rubbos/app/tomcat-connectors-1.2.32-src/jkstatus/src/share/org/apache/jk/status/JkStatusParser.java

   1 /*
   2  *  Licensed to the Apache Software Foundation (ASF) under one or more
   3  *  contributor license agreements.  See the NOTICE file distributed with
   4  *  this work for additional information regarding copyright ownership.
   5  *  The ASF licenses this file to You under the Apache License, Version 2.0
   6  *  (the "License"); you may not use this file except in compliance with
   7  *  the License.  You may obtain a copy of the License at
   8  *
   9  *      http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  *  Unless required by applicable law or agreed to in writing, software
  12  *  distributed under the License is distributed on an "AS IS" BASIS,
  13  *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  *  See the License for the specific language governing permissions and
  15  *  limitations under the License.
  16  */
  17 package org.apache.jk.status;
  18
  19 import org.apache.commons.logging.Log;
  20 import org.apache.commons.logging.LogFactory;
  21 import org.apache.tomcat.util.digester.Digester;
  22
  23 /**
  24  * mod_jk 1.2.19 document:<br/>
  25  * <code>
  26  *
  27  *  &lt;?xml version="1.0" encoding="UTF-8" ?&gt;
  28  *  &lt;jk:status xmlns:jk="http://tomcat.apache.org"&gt;
  29  *    &lt;jk:server name="localhost" port="2010" software="Apache/2.0.58 (Unix) mod_jk/1.2.19-dev" version="1.2.19" /&gt;
  30  *    &lt;jk:balancers&gt;
  31  *    &lt;jk:balancer id="0" name="loadbalancer" type="lb" sticky="True" stickyforce="False" retries="2" recover="60" &gt;
  32  *        &lt;jk:member id="0" name="node01" type="ajp13" host="localhost" port="20012" address="127.0.0.1:20012" activation="ACT" state="N/A" distance="0" lbfactor="1" lbmult="1" lbvalue="0" elected="0" errors="0" transferred="0" readed="0" busy="0" maxbusy="0" jvm_route="node01" /&gt;
  33  *        &lt;jk:member id="1" name="node02" type="ajp13" host="localhost" port="20022" address="127.0.0.1:20022" activation="ACT" state="N/A" distance="0" lbfactor="1" lbmult="1" lbvalue="0" elected="0" errors="0" transferred="0" readed="0" busy="0" maxbusy="0" jvm_route="node02" /&gt;
  34  *      &lt;jk:map type="Wildchar" uri="/ClusterSession*" context="/ClusterSession*" /&gt;
  35  *      &lt;jk:map type="Wildchar" uri="/ClusterTest*" context="/ClusterTest*" /&gt;
  36  *      &lt;jk:map type="Wildchar" uri="/test*" context="/test*" /&gt;
  37  *    &lt;/jk:balancer&gt;
  38  *    &lt;/jk:balancers&gt;
  39  *  &lt;/jk:status&gt;
  40  * </code>
  41  * <br/>
  42  * mod_jk 1.2.20 document:<br/>
  43  * <code>
  44  * &lt;?xml version="1.0" encoding="UTF-8" ?&gt;
  45  * &lt;jk:status xmlns:jk="http://tomcat.apache.org"&gt;
  46  * &lt;jk:server
  47  *  name="127.0.0.1"
  48  *  port="2080"
  49  *  software="Apache/2.0.59 (Unix) mod_jk/1.2.20-dev"
  50  *  version="1.2.20"/&gt;
  51  * &lt;jk:balancers&gt;
  52  *   &lt;jk:balancer
  53  *    name="loadbalancer"
  54  *    type="lb"
  55  *    sticky="True"
  56  *    stickyforce="False"
  57  *    retries="2"
  58  *    recover="60"
  59  *    method="Request"
  60  *    lock="Optimistic"
  61  *    good="2"
  62  *    degraded="0"
  63  *    bad="0"
  64  *    busy="0"
  65  *    max_busy="0"&gt;
  66  *      &lt;jk:member
  67  *        name="node01"
  68  *        type="ajp13"
  69  *        host="localhost"
  70  *        port="7309"
  71  *        address="127.0.0.1:7309"
  72  *        activation="ACT"
  73  *        lbfactor="1"
  74  *        jvm_route="node01"
  75  *        redirect=""
  76  *        domain=""
  77  *        distance="0"
  78  *        state="N/A"
  79  *        lbmult="1"
  80  *        lbvalue="0"
  81  *        elected="0"
  82  *        errors="0"
  83  *        clienterrors="0"
  84  *        transferred="0"
  85  *        readed="0"
  86  *        busy="0"
  87  *        maxbusy="0"
  88  *        time-to-recover="0"/&gt;
  89  *      &lt;jk:member
  90  *        name="node02"
  91  *        type="ajp13"
  92  *        host="localhost"
  93  *        port="7409"
  94  *        address="127.0.0.1:7409"
  95  *        activation="ACT"
  96  *        lbfactor="1"
  97  *        jvm_route="node02"
  98  *        redirect=""
  99  *        domain=""
 100  *        distance="0"
 101  *        state="N/A"
 102  *        lbmult="1"
 103  *        lbvalue="0"
 104  *        elected="0"
 105  *        errors="0"
 106  *        clienterrors="0"
 107  *        transferred="0"
 108  *        readed="0"
 109  *        busy="0"
 110  *        maxbusy="0"
 111  *        time-to-recover="0"/&gt;
 112  *      &lt;jk:map
 113  *        type="Wildchar"
 114  *        uri="/ClusterTest*"
 115  *        source="JkMount"/&gt;
 116  *      &lt;jk:map
 117  *        type="Wildchar"
 118  *        uri="/myapps*"
 119  *        source="JkMount"/&gt;
 120  *      &lt;jk:map
 121  *        type="Wildchar"
 122  *        uri="/last*"
 123  *        source="JkMount"/&gt;
 124  *  &lt;/jk:balancer&gt;
 125  * &lt;/jk:balancers&gt;
 126  * &lt;/jk:status&gt;
 127  *
 128  *
 129  * </code>
 130  * <br/>
 131  * mod_jk 1.2.24 runtime state N/A changed to OK/IDLE:<br/>
 132  * <code>
 133  *        state="OK/IDLE"
 134  * </code>
 135  * @author Peter Rossbach
 136  * @version $Revision: 753168 $ $Date: 2009-03-13 09:46:29 +0100 (Fri, 13 Mar 2009) $
 137  * @since 5.5.10
 138  */
 139 public class JkStatusParser {
 140     private static Log log = LogFactory.getLog(JkStatusParser.class);
 141
 142     /**
 143      * The descriptive information about this implementation.
 144      */
 145     private static final String info = "org.apache.jk.status.JkStatusParser/1.1";
 146
 147     /**
 148      * Return descriptive information about this implementation and the
 149      * corresponding version number, in the format
 150      * <code>&lt;description&gt;/&lt;version&gt;</code>.
 151      */
 152     public String getInfo() {
 153
 154         return (info);
 155
 156     }
 157
 158     /**
 159      * The <code>Digester</code> instance used to parse registry descriptors.
 160      */
 161     public static final Digester digester = createDigester();
 162
 163     public static Digester getDigester() {
 164         return digester;
 165     }
 166
 167     /**
 168      * Create and configure the Digester we will be using for setup mod_jk jk status page.
 169      */
 170     public static Digester createDigester() {
 171         long t1 = System.currentTimeMillis();
 172         // Initialize the digester
 173         Digester digester = new Digester();
 174         digester.setValidating(false);
 175         digester.setClassLoader(JkStatus.class.getClassLoader());
 176
 177         // parse status
 178         digester.addObjectCreate("jk:status", "org.apache.jk.status.JkStatus",
 179                 "className");
 180         digester.addSetProperties("jk:status");
 181
 182         digester.addObjectCreate("jk:status/jk:server",
 183                 "org.apache.jk.status.JkServer", "className");
 184         digester.addSetProperties("jk:status/jk:server");
 185         digester.addSetNext("jk:status/jk:server", "setServer",
 186                 "org.apache.jk.status.JkServer");
 187
 188         digester.addObjectCreate("jk:status/jk:software",
 189                 "org.apache.jk.status.JkSoftware", "className");
 190         digester.addSetProperties("jk:status/jk:software");
 191         digester.addSetNext("jk:status/jk:software", "setSoftware",
 192                 "org.apache.jk.status.JkSoftware");
 193
 194         digester.addObjectCreate("jk:status/jk:result",
 195                 "org.apache.jk.status.JkResult", "className");
 196         digester.addSetProperties("jk:status/jk:result");
 197         digester.addSetNext("jk:status/jk:result", "setResult",
 198                 "org.apache.jk.status.JkResult");
 199
 200         digester.addObjectCreate("jk:status/jk:balancers/jk:balancer",
 201                 "org.apache.jk.status.JkBalancer", "className");
 202         digester.addSetProperties("jk:status/jk:balancers/jk:balancer");
 203         digester.addSetNext("jk:status/jk:balancers/jk:balancer",
 204                 "addBalancer", "org.apache.jk.status.JkBalancer");
 205
 206         digester.addObjectCreate(
 207                 "jk:status/jk:balancers/jk:balancer/jk:member",
 208                 "org.apache.jk.status.JkBalancerMember", "className");
 209         digester
 210                 .addSetProperties("jk:status/jk:balancers/jk:balancer/jk:member");
 211         digester.addSetNext("jk:status/jk:balancers/jk:balancer/jk:member",
 212                 "addBalancerMember", "org.apache.jk.status.JkBalancerMember");
 213
 214         digester.addObjectCreate("jk:status/jk:balancers/jk:balancer/jk:map",
 215                 "org.apache.jk.status.JkBalancerMapping", "className");
 216         digester.addSetProperties("jk:status/jk:balancers/jk:balancer/jk:map");
 217         digester.addSetNext("jk:status/jk:balancers/jk:balancer/jk:map",
 218                 "addBalancerMapping", "org.apache.jk.status.JkBalancerMapping");
 219
 220         long t2 = System.currentTimeMillis();
 221         if (log.isDebugEnabled())
 222             log.debug("Digester for apache mod_jk jkstatus page is created "
 223                     + (t2 - t1));
 224         return (digester);
 225
 226     }
 227
 228 }