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## org.apache.ajp.tomcat4.config
Class NSConfig

    java.lang.Object
      org.apache.ajp.tomcat4.config.BaseJkConfig
          org.apache.ajp.tomcat4.config.NSConfig

All Implemented Interfaces:
  LifecycleListener

public class NSConfig
extends BaseJkConfig

Generates automatic Netscape nsapi_redirect configurations based on the Tomcat server.xml settings and the war contexts initialized during startup.

This config interceptor is enabled by inserting an NSConfig element in the <ContextManager> tag body inside the server.xml file like so:

     < ContextManager ... >
       ...
       <NSConfig options />
       ...
     < /ContextManager >

where options can include any of the following attributes:

- configHome - default parent directory for the following paths. If not set, this defaults to TOMCAT_HOME. Ignored whenever any of the following paths is absolute.
- objConfig - path to use for writing Netscape obj.conf file. If not set, defaults to "conf/auto/obj.conf".
- objectName - Name of the Object to execute the requests. Defaults to "servlet".
- workersConfig - path to workers.properties file used by nsapi_redirect. If not set, defaults to "conf/jk/workers.properties".
- nsapiJk - path to Netscape mod_jk plugin file. If not set, defaults to "bin/nsapi_redirect.dll" on windows, "bin/nsapi_rd.nlm" on netware, and "bin/nsapi_redirector.so" everywhere else.
- jkLog - path to log file to be used by nsapi_redirect.
- jkDebug - Loglevel setting. May be debug, info, error, or emerg. If not set, defaults to emerg.
- jkWorker The desired worker. Must be set to one of the workers defined in the workers.properties file. "ajp12", "ajp13" or "inprocess" are the workers found in the default workers.properties file. If not specified, defaults to "ajp13" if an Ajp13Interceptor is in use, otherwise it defaults to "ajp12".
- forwardAll - If true, forward all requests to Tomcat. This helps insure that all the behavior configured in the web.xml file functions correctly. If false, let Netscape serve static resources assuming it has been configured to do so. The default is true. Warning: When false, some configuration in the web.xml may not be duplicated in Netscape. Review the uriworkermap file to see what configuration is actually being set in Netscape.
- noRoot - If true, the root context is not mapped to Tomcat. If false and forwardAll is true, all requests to the root context are mapped to Tomcat. If false and forwardAll is false, only JSP and servlets requests to the root context are mapped to Tomcat. When false, to correctly serve Tomcat's root context you must also modify the Home Directory setting in Netscape to point to Tomcat's root context directory. Otherwise some content, such as the root index.html, will be served by Netscape before nsapi_redirect gets a chance to claim the request and pass it to Tomcat. The default is true.

Author:
  Costin Manolache, Larry Isaacs, Gal Shachor, Bill Barker

Field Summary
`static java.lang.String` | `NS_CONFIG`
`static java.lang.String` | `NSAPI_LOG_LOCATION`
`static java.lang.String` | `NSAPI_REDIRECTOR` default location of nsapi plug-in.
`static java.lang.String` | `WORKERS_CONFIG`

Fields inherited from class org.apache.ajp.tomcat4.config.BaseJkConfig
`append, configHome, debug, forwardAll, jkDebug, jkLog, jkWorker, noRoot, regenerate, tomcatHome, workersConfig`

Constructor Summary
`NSConfig()`

Method Summary
`protected boolean` | `addMapping(java.lang.String fullPath, java.io.PrintWriter objfile)` Add a fulling specified Netscape mapping.
`protected boolean` | `addMapping(java.lang.String ctxPath, java.lang.String ext, java.io.PrintWriter objfile)` Add a Netscape extension mapping.
`protected void` | `generateContextMappings(Context context, java.io.PrintWriter objfile)`
`protected boolean` | `generateJkHead(java.io.PrintWriter mod_jk)` Generate general options
`protected void` | `generateJkTail(java.io.PrintWriter objfile)` Generate general options
`protected void` | `generateStupidMappings(Context context, java.io.PrintWriter objfile)` Forward all requests for a context to tomcat.
`protected java.io.PrintWriter` | `getWriter()` Get the output Writer.
`protected void` | `initProperties()` Initialize defaults for properties that are not set explicitely
`void` | `setNsapiJk(java.lang.String path)` set the path to the nsapi plugin module
`void` | `setObjConfig(java.lang.String path)` set the path to the output file for the auto-generated isapi_redirect registry file.
`void` | `setObjectName(java.lang.String name)` Set the name for the Object that implements the jk_service call.

Methods inherited from class org.apache.ajp.tomcat4.config.BaseJkConfig
`addExtensionMapping, execute, executeContext, executeEngine, executeHost, executeServer, generateSSLConfig, generateVhostHead, generateVhostTail, getAbsoluteDocBase, getConfigFile, getHost, isAbsolute, lifecycleEvent, log, patch, setAppend, setConfigHome, setForwardAll, setJkDebug, setJkLog, setJkWorker, setNoRoot, setWorkersConfig`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Field Detail

### WORKERS_CONFIG

    public static final java.lang.String WORKERS_CONFIG

See Also:
  Constant Field Values

### NS_CONFIG

    public static final java.lang.String NS_CONFIG

See Also:
  Constant Field Values

### NSAPI_LOG_LOCATION

    public static final java.lang.String NSAPI_LOG_LOCATION

See Also:
  Constant Field Values

### NSAPI_REDIRECTOR

    public static final java.lang.String NSAPI_REDIRECTOR

  default location of nsapi plug-in.

Constructor Detail

### NSConfig

    public NSConfig()

Method Detail

### setObjConfig

    public void setObjConfig(java.lang.String path)

  set the path to the output file for the auto-generated isapi_redirect registry file. If this path is relative then getRegConfig() will resolve it absolutely against the getConfigHome() path.

### setNsapiJk

    public void setNsapiJk(java.lang.String path)

  set the path to the nsapi plugin module

### setObjectName

    public void setObjectName(java.lang.String name)

  Set the name for the Object that implements the jk_service call.

### initProperties

    protected void initProperties()

  Initialize defaults for properties that are not set explicitely

  Overrides:
    `initProperties` in class `BaseJkConfig`

### getWriter

    protected java.io.PrintWriter getWriter()
                                     throws java.io.IOException

  Description copied from class: `BaseJkConfig`
  Get the output Writer. Override with method to generate web server specific configuration.

  Overrides:
    `getWriter` in class `BaseJkConfig`
  Throws:
    `java.io.IOException`

### generateJkHead

    protected boolean generateJkHead(java.io.PrintWriter mod_jk)

  Description copied from class: `BaseJkConfig`
  Generate general options

  Overrides:
    `generateJkHead` in class `BaseJkConfig`

### generateJkTail

    protected void generateJkTail(java.io.PrintWriter objfile)

  Description copied from class: `BaseJkConfig`
  Generate general options

  Overrides:
    `generateJkTail` in class `BaseJkConfig`

### generateStupidMappings

    protected void generateStupidMappings(Context context,
                                          java.io.PrintWriter objfile)

  Forward all requests for a context to tomcat. The default.

  Overrides:
    `generateStupidMappings` in class `BaseJkConfig`

### generateContextMappings

    protected void generateContextMappings(Context context,
                                           java.io.PrintWriter objfile)

  Overrides:
    `generateContextMappings` in class `BaseJkConfig`

### addMapping

    protected boolean addMapping(java.lang.String ctxPath,
                                 java.lang.String ext,
                                 java.io.PrintWriter objfile)

  Add a Netscape extension mapping.

### addMapping

    protected boolean addMapping(java.lang.String fullPath,
                                 java.io.PrintWriter objfile)

  Add a fulling specified Netscape mapping.

  Overrides:
    `addMapping` in class `BaseJkConfig`

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