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| 79 | </style></head><body bgcolor="#ffffff" text="#000000" link="#525D76" alink="#525D76" vlink="#525D76"><table border="0" width="100%" cellspacing="0"><!--PAGE HEADER--><tr><td><!--PROJECT LOGO--><a href="http://tomcat.apache.org/"><img src="../images/tomcat.gif" align="right" alt="
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 80 | Catalina Functional Specifications
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 81 | " border="0"></a></td><td><h1><font face="arial,helvetica,sanserif">Apache Tomcat 7</font></h1><font face="arial,helvetica,sanserif">Version 7.0.77, Mar 28 2017</font></td><td><!--APACHE LOGO--><a href="http://www.apache.org/"><img src="../images/asf-logo.svg" align="right" alt="Apache Logo" border="0" style="width: 266px;height: 83px;"></a></td></tr></table><table border="0" width="100%" cellspacing="4"><!--HEADER SEPARATOR--><tr><td colspan="2"><hr noshade size="1"></td></tr><tr><!--LEFT SIDE NAVIGATION--><td width="20%" valign="top" nowrap class="noPrint"><p><strong>Links</strong></p><ul><li><a href="../index.html">Docs Home</a></li><li><a href="index.html">Functional Specs</a></li><li><a href="http://wiki.apache.org/tomcat/FAQ">FAQ</a></li><li><a href="#comments_section">User Comments</a></li></ul><p><strong>Administrative Apps</strong></p><ul><li><a href="fs-admin-apps.html">Overall Requirements</a></li><li><a href="mbean-names.html">Tomcat MBean Names</a></li><li><a href="fs-admin-objects.html">Administered Objects</a></li><li><a href="fs-admin-opers.html">Supported Operations</a></li></ul><p><strong>Internal Servlets</strong></p><ul><li><a href="fs-default.html">Default Servlet</a></li></ul><p><strong>Realm Implementations</strong></p><ul><li><a href="fs-jdbc-realm.html">JDBC Realm</a></li><li><a href="fs-jndi-realm.html">JNDI Realm</a></li><li><a href="fs-memory-realm.html">Memory Realm</a></li></ul></td><!--RIGHT SIDE MAIN BODY--><td width="80%" valign="top" align="left" id="mainBody"><h1>Administrative Apps - Overall Requirements</h1><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Table of Contents"><!--()--></a><a name="Table_of_Contents"><strong>Table of Contents</strong></a></font></td></tr><tr><td><blockquote>
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 82 | <ul><li><a href="#Overview">Overview</a><ol><li><a href="#Introduction">Introduction</a></li><li><a href="#External_Specifications">External Specifications</a></li><li><a href="#Implementation_Requirements">Implementation Requirements</a></li></ol></li><li><a href="#Dependencies">Dependencies</a><ol><li><a href="#Environmental_Dependencies">Environmental Dependencies</a></li><li><a href="#Container_Dependencies">Container Dependencies</a></li><li><a href="#External_Technologies">External Technologies</a></li></ol></li><li><a href="#Functionality">Functionality</a><ol><li><a href="#Properties_of_Administered_Objects">Properties of Administered Objects</a></li><li><a href="#Supported_Administrative_Operations">Supported Administrative Operations</a></li><li><a href="#Access_Method_Specific_Requirements">Access Method Specific Requirements</a></li></ol></li><li><a href="#Testable_Assertions">Testable Assertions</a></li></ul>
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| 83 | </blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Overview"><strong>Overview</strong></a></font></td></tr><tr><td><blockquote>
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| 84 |
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| 85 |
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| 86 | <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Introduction"><strong>Introduction</strong></a></font></td></tr><tr><td><blockquote>
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| 87 |
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| 88 | <p>The purpose of this specification is to define high level requirements
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| 89 | for administrative applications that can be used to manage the operation
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 90 | of a running Tomcat container. A variety of <em>Access Methods</em>
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 91 | to the supported administrative functionality shall be supported, to
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| 92 | meet varying requirements:</p>
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| 93 | <ul>
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| 94 | <li><em>As A Scriptable Web Application</em> - The existing
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| 95 | <code>Manager</code> web application provides a simple HTTP-based
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| 96 | interface for managing Tomcat through commands that are expressed
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| 97 | entirely through a request URI. This is useful in environments
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| 98 | where you wish to script administrative commands with tools that
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| 99 | can generate HTTP transactions.</li>
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| 100 | <li><em>As An HTML-Based Web Application</em> - Use an HTML presentation
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| 101 | to provide a GUI-like user interface for humans to interact with the
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| 102 | administrative capabilities.</li>
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| 103 | <li><em>As SOAP-Based Web Services</em> - The operational commands to
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| 104 | administer Tomcat are made available as web services that utilize
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| 105 | SOAP message formats.</li>
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| 106 | <li><em>As Java Management Extensions (JMX) Commands</em> - The operational
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| 107 | commands to administer Tomcat are made available through JMX APIs,
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| 108 | for integration into management consoles that utilize them.</li>
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| 109 | <li><em>Other Remote Access APIs</em> - Other remote access APIs, such
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| 110 | as JINI, RMI, and CORBA can also be utilized to access administrative
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| 111 | capabilities.</li>
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| 112 | </ul>
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| 113 |
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| 114 | <p>Underlying all of the access methods described above, it is assumed
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| 115 | that the actual operations are performed either directly on the
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| 116 | corresponding Catalina components (such as calling the
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| 117 | <code>Deployer.deploy()</code> method to deploy a new web application),
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| 118 | or through a "business logic" layer that can be shared across all of the
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| 119 | access methods. This approach minimizes the cost of adding new
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| 120 | administrative capabilities later -- it is only necessary to add the
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| 121 | corresponding business logic function, and then write adapters to it for
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| 122 | all desired access methods.</p>
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| 123 |
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| 124 | <p>The current status of this functional specification is
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| 125 | <strong>PROPOSED</strong>. It has not yet been discussed and
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| 126 | agreed to on the TOMCAT-DEV mailing list.</p>
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| 127 |
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| 128 | </blockquote></td></tr></table>
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| 129 |
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| 130 |
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| 131 | <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="External Specifications"><!--()--></a><a name="External_Specifications"><strong>External Specifications</strong></a></font></td></tr><tr><td><blockquote>
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| 132 |
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| 133 | <p>The implementation of this functionality depends on the following
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| 134 | external specifications:</p>
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| 135 | <ul>
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 136 | <li><a href="http://docs.oracle.com/javase/7/docs/technotes/guides/idl">
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| 137 | Java IDL</a> (for CORBA, included in the JDK)</li>
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| 138 | <li><a href="http://www.oracle.com/technetwork/java/javase/tech/javamanagement-140525.html">
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 139 | Java Management Extensions</a></li>
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 140 | <li><a href="http://docs.oracle.com/javase/7/docs/technotes/guides/rmi">
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| 141 | Remote Method Invocation</a> (Included in the JDK)</li>
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 142 | </ul>
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| 143 |
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| 144 | </blockquote></td></tr></table>
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| 145 |
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| 146 |
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| 147 | <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Implementation Requirements"><!--()--></a><a name="Implementation_Requirements"><strong>Implementation Requirements</strong></a></font></td></tr><tr><td><blockquote>
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| 148 |
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| 149 | <p>The implementation of this functionality shall conform to the
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| 150 | following requirements:</p>
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| 151 | <ul>
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| 152 | <li>To the maximum extent feasible, all administrative functions,
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| 153 | and the access methods that support them, shall run portably
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 154 | on all platforms where Tomcat itself runs.</li>
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 155 | <li>In a default Tomcat distribution, all administrative capabilities
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| 156 | shall be disabled. It shall be necessary for a system
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| 157 | administrator to specifically enable the desired access methods
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| 158 | (such as by adding a username/password with a specific role to
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| 159 | the Tomcat user's database.</li>
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| 160 | <li>Administrative functions shall be realized as direct calls to
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| 161 | corresponding Catalina APIs, or through a business logic layer
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| 162 | that is independent of the access method used to initiate it.</li>
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| 163 | <li>The common business logic components shall be implemented in
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| 164 | package <code>org.apache.catalina.admin</code>.</li>
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| 165 | <li>The common business logic components shall be built as part of the
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| 166 | standard Catalina build process, and made visible in the
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| 167 | Catalina class loader.</li>
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| 168 | <li>The Java components required for each access method shall be
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| 169 | implemented in subpackages of <code>org.apache.catalina.admin</code>.
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| 170 | </li>
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| 171 | <li>The build scripts should treat each access method as optional,
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| 172 | so that it will be built only if the corresponding required
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| 173 | APIs are present at build time.</li>
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| 174 | <li>It shall be possible to save the configured state of the running
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| 175 | Tomcat container such that this state can be reproduced when the
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| 176 | container is shut down and restarted.</li>
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| 177 | <li>Administrative commands to start up and shut down the overall
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| 178 | Tomcat container are <strong>out of scope</strong> for the
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| 179 | purposes of these applications. It is assumed that other
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| 180 | (usually platform-specific) mechanisms will be used for container
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| 181 | startup and shutdown.</li>
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| 182 | </ul>
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| 183 |
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| 184 | </blockquote></td></tr></table>
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| 185 |
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| 186 |
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| 187 | </blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Dependencies"><strong>Dependencies</strong></a></font></td></tr><tr><td><blockquote>
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| 188 |
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| 189 |
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| 190 | <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Environmental Dependencies"><!--()--></a><a name="Environmental_Dependencies"><strong>Environmental Dependencies</strong></a></font></td></tr><tr><td><blockquote>
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| 191 |
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| 192 | <p>The following environmental dependencies must be met in order for
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| 193 | administrative applications to operate correctly:</p>
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| 194 | <ul>
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| 195 | <li>For access methods that require creation of server sockets, the
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| 196 | appropriate ports must be configured and available.</li>
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| 197 | </ul>
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| 198 |
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| 199 | </blockquote></td></tr></table>
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| 200 |
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| 201 |
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| 202 | <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Container Dependencies"><!--()--></a><a name="Container_Dependencies"><strong>Container Dependencies</strong></a></font></td></tr><tr><td><blockquote>
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| 203 |
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| 204 | <p>Correct operation of administrative applications depends on the
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| 205 | following specific features of the surrounding container:</p>
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| 206 | <ul>
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| 207 | <li>To the maximum extent feasible, Catalina components that offer
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| 208 | direct administrative APIs and property setters shall support
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| 209 | "live" changes to their operation, without requiring a container
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| 210 | restart.</li>
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| 211 | </ul>
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| 212 |
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| 213 | </blockquote></td></tr></table>
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| 214 |
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| 215 |
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| 216 | <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="External Technologies"><!--()--></a><a name="External_Technologies"><strong>External Technologies</strong></a></font></td></tr><tr><td><blockquote>
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| 217 |
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| 218 | <p>The availability of the following technologies can be assumed
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| 219 | for the implementation and operation of the various access methods
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 220 | and the corresponding administrative business logic:<br>
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| 221 | <strong>FIXME</strong> - This list below is totally outdated, but nobody
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| 222 | cares about the administrative app anymore. It is removed and unsupported
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| 223 | since Tomcat 6.0.</p>
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 224 | <ul>
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 225 | <li><a href="http://www.oracle.com/technetwork/java/javase/overview/index.html">
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| 226 | Java Standard Edition</a> (Version 1.2 or later)</li>
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 227 | <li><a href="http://www.jcp.org/jsr/detail/154.jsp">Servlet 2.4</a>
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 228 | (supported natively by Tomcat 5)</li>
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 229 | <li><a href="http://www.jcp.org/jsr/detail/152.jsp">JavaServer Pages 2.0</a>
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 230 | (supported natively by Tomcat 5)</li>
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 231 | <li><a href="http://jakarta.apache.org/taglibs/doc/standard-doc/intro.html">JavaServer Pages Standard Tag Library 1.0 (Jakarta Taglibs-Standard 1.0.3)</a></li>
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| 232 | <li><a href="http://struts.apache.org/">Struts Framework</a>
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| 233 | (Version 1.0) - MVC Framework for Web Applications</li>
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| 234 | <li><strong>TO BE DETERMINED</strong> - Application for hosting SOAP
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| 235 | based web services</li>
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| 236 | </ul>
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| 237 |
|
| 238 | </blockquote></td></tr></table>
|
| 239 |
|
| 240 |
|
| 241 | </blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Functionality"><strong>Functionality</strong></a></font></td></tr><tr><td><blockquote>
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| 242 |
|
| 243 |
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| 244 | <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Properties of Administered Objects"><!--()--></a><a name="Properties_of_Administered_Objects"><strong>Properties of Administered Objects</strong></a></font></td></tr><tr><td><blockquote>
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| 245 |
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| 246 | <p>Functional requirements for administrative applications are specified
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| 247 | in terms of <em>Administered Objects</em>, whose definitions and detailed
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| 248 | properties are listed <a href="fs-admin-objects.html">here</a>. In general,
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| 249 | Administered Objects correspond to components in the Catalina architecture,
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| 250 | but these objects are defined separately here for the following reasons:</p>
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| 251 | <ul>
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| 252 | <li>It is possible that the administrative applications do not expose
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| 253 | every possible configurable facet of the underlying components.</li>
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| 254 | <li>In some cases, an Administered Object (from the perspective of an
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| 255 | administrative operation) is realized by more than one Catalina
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| 256 | component, at a finer-grained level of detail.</li>
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| 257 | <li>It is necessary to represent the configuration information for a
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| 258 | component separately from the component itself (for instance, in
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| 259 | order to store that configuration information for later use).</li>
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| 260 | <li>It is necessary to represent configuration information (such as
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| 261 | a Default Context) when there is no corresponding component instance.
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| 262 | </li>
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| 263 | <li>Administered Objects, when realized as Java classes, will include
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| 264 | methods for administrative operations that have no correspondence
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| 265 | to operations performed by the corresponding actual components.</li>
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| 266 | </ul>
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| 267 |
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| 268 | <p>It is assumed that the reader is familiar with the overall component
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| 269 | architecture of Catalina. For further information, see the corresponding
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| 270 | Developer Documentation. To distinguish names that are used as both
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| 271 | <em>Administered Objects</em> and <code>Components</code>, different
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| 272 | font presentations are utilized. Default values for many properties
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| 273 | are listed in [square brackets].</p>
|
| 274 |
|
| 275 | </blockquote></td></tr></table>
|
| 276 |
|
| 277 |
|
| 278 | <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Supported Administrative Operations"><!--()--></a><a name="Supported_Administrative_Operations"><strong>Supported Administrative Operations</strong></a></font></td></tr><tr><td><blockquote>
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| 279 |
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| 280 | <p>The administrative operations that are available are described in terms
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| 281 | of the corresponding Administered Objects (as defined above), in a manner
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| 282 | that is independent of the access method by which these operations are
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| 283 | requested. In general, such operations are relevant only in the context
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| 284 | of a particular Administered Object (and will most likely be realized as
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| 285 | method calls on the corresponding Administered Object classes), so they
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| 286 | are organized based on the currently "focused" administered object.
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| 287 | The available Supported Operations are documented
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| 288 | <a href="fs-admin-opers.html">here</a>.</p>
|
| 289 |
|
| 290 | </blockquote></td></tr></table>
|
| 291 |
|
| 292 |
|
| 293 | <table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#828DA6"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Access Method Specific Requirements"><!--()--></a><a name="Access_Method_Specific_Requirements"><strong>Access Method Specific Requirements</strong></a></font></td></tr><tr><td><blockquote>
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| 294 |
|
| 295 | <h5>Scriptable Web Application</h5>
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| 296 |
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| 297 | <p>An appropriate subset of the administrative operations described above
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| 298 | shall be implemented as commands that can be performed by the "Manager"
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| 299 | web application. <strong>FIXME</strong> - Enumerate them.</p>
|
| 300 |
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| 301 | <p>In addition, this web application shall conform to the following
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| 302 | requirements:</p>
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| 303 | <ul>
|
| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 304 | <li>All request URIs shall be protected by security constraints that
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| 305 | require a security role to be assigned for processing.</li>
|
| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 306 | <li>The default user database shall <strong>not</strong> contain any
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 307 | user that has been assigned a security role.</li>
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 308 | </ul>
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| 309 |
|
| 310 | <h5>HTML-Based Web Application</h5>
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| 311 |
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| 312 | <p>The entire suite of administrative operations described above shall be
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| 313 | made available through a web application designed for human interaction.
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| 314 | In addition, this web application shall conform to the following
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| 315 | requirements:</p>
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| 316 | <ul>
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| 317 | <li>Must be implemented using servlet, JSP, and MVC framework technologies
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| 318 | described under "External Technologies", above.</li>
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| 319 | <li>Prompts and error messages must be internationalizable to multiple
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| 320 | languages.</li>
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| 321 | <li>Rendered HTML must be compatible with Netscape Navigator (version 4.7
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| 323 | </ul>
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| 324 |
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| 325 | </blockquote></td></tr></table>
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| 326 |
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| 327 |
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| 328 | </blockquote></td></tr></table><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="Testable Assertions"><!--()--></a><a name="Testable_Assertions"><strong>Testable Assertions</strong></a></font></td></tr><tr><td><blockquote>
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| 329 |
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| 330 | <p><strong>FIXME</strong> - Complete this section.</p>
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| 331 |
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| 刘洪青 | 6266f99 | 2017-05-15 21:21:03 +0800 | [diff] [blame^] | 332 | </blockquote></td></tr></table></td></tr><tr class="noPrint"><td width="20%" valign="top" nowrap class="noPrint"></td><td width="80%" valign="top" align="left"><table border="0" cellspacing="0" cellpadding="2"><tr><td bgcolor="#525D76"><font color="#ffffff" face="arial,helvetica.sanserif"><a name="comments_section" id="comments_section"><strong>Comments</strong></a></font></td></tr><tr><td><blockquote><p class="notice"><strong>Notice: </strong>This comments section collects your suggestions
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| 358 | Copyright © 1999-2017, Apache Software Foundation
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| Hongqing Liu | fd5ee81 | 2014-05-10 16:32:51 +0800 | [diff] [blame] | 359 | </em></font></div></td></tr></table></body></html> |