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Java Source Code / Java Documentation » Web Server » Rimfaxe Web Server » org.apache.catalina 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.apache.catalina.Host

All known Subclasses:   org.apache.catalina.core.StandardHost,
Host
public interface Host extends Container(Code)
A Host is a Container that represents a virtual host in the Catalina servlet engine. It is useful in the following types of scenarios:
  • You wish to use Interceptors that see every single request processed by this particular virtual host.
  • You wish to run Catalina in with a standalone HTTP connector, but still want support for multiple virtual hosts.
In general, you would not use a Host when deploying Catalina connected to a web server (such as Apache), because the Connector will have utilized the web server's facilities to determine which Context (or perhaps even which Wrapper) should be utilized to process this request.

The parent Container attached to a Host is generally an Engine, but may be some other implementation, or may be omitted if it is not necessary.

The child containers attached to a Host are generally implementations of Context (representing an individual servlet context).
author:
   Craig R. McClanahan
version:
   $Revision: 1.8 $ $Date: 2002/02/27 03:13:35 $



Field Summary
final public static  StringADD_ALIAS_EVENT
     The ContainerEvent event type sent when a new alias is added by addAlias().
final public static  StringREMOVE_ALIAS_EVENT
     The ContainerEvent event type sent when an old alias is removed by removeAlias().


Method Summary
public  voidaddAlias(String alias)
     Add an alias name that should be mapped to this same Host.
public  voidaddDefaultContext(DefaultContext defaultContext)
     Set the DefaultContext for new web applications.
public  String[]findAliases()
     Return the set of alias names for this Host.
public  StringgetAppBase()
     Return the application root for this Host.
public  booleangetAutoDeploy()
     Return the value of the auto deploy flag.
public  StringgetName()
     Return the canonical, fully qualified, name of the virtual host this Container represents.
public  voidimportDefaultContext(Context context)
     Import the DefaultContext config into a web application context.
public  Contextmap(String uri)
     Return the Context that would be used to process the specified host-relative request URI, if any; otherwise return null.
public  voidremoveAlias(String alias)
     Remove the specified alias name from the aliases for this Host.
public  voidsetAppBase(String appBase)
     Set the application root for this Host.
public  voidsetAutoDeploy(boolean autoDeploy)
     Set the auto deploy flag value for this host.
public  voidsetName(String name)
     Set the canonical, fully qualified, name of the virtual host this Container represents.

Field Detail
ADD_ALIAS_EVENT
final public static String ADD_ALIAS_EVENT(Code)
The ContainerEvent event type sent when a new alias is added by addAlias().



REMOVE_ALIAS_EVENT
final public static String REMOVE_ALIAS_EVENT(Code)
The ContainerEvent event type sent when an old alias is removed by removeAlias().





Method Detail
addAlias
public void addAlias(String alias)(Code)
Add an alias name that should be mapped to this same Host.
Parameters:
  alias - The alias to be added



addDefaultContext
public void addDefaultContext(DefaultContext defaultContext)(Code)
Set the DefaultContext for new web applications.
Parameters:
  defaultContext - The new DefaultContext



findAliases
public String[] findAliases()(Code)
Return the set of alias names for this Host. If none are defined, a zero length array is returned.



getAppBase
public String getAppBase()(Code)
Return the application root for this Host. This can be an absolute pathname, a relative pathname, or a URL.



getAutoDeploy
public boolean getAutoDeploy()(Code)
Return the value of the auto deploy flag. If true, it indicates that this host's child webapps should be discovred and automatically deployed.



getName
public String getName()(Code)
Return the canonical, fully qualified, name of the virtual host this Container represents.



importDefaultContext
public void importDefaultContext(Context context)(Code)
Import the DefaultContext config into a web application context.
Parameters:
  context - web application context to import default context



map
public Context map(String uri)(Code)
Return the Context that would be used to process the specified host-relative request URI, if any; otherwise return null.
Parameters:
  uri - Request URI to be mapped



removeAlias
public void removeAlias(String alias)(Code)
Remove the specified alias name from the aliases for this Host.
Parameters:
  alias - Alias name to be removed



setAppBase
public void setAppBase(String appBase)(Code)
Set the application root for this Host. This can be an absolute pathname, a relative pathname, or a URL.
Parameters:
  appBase - The new application root



setAutoDeploy
public void setAutoDeploy(boolean autoDeploy)(Code)
Set the auto deploy flag value for this host.
Parameters:
  autoDeploy - The new auto deploy flag



setName
public void setName(String name)(Code)
Set the canonical, fully qualified, name of the virtual host this Container represents.
Parameters:
  name - Virtual host name
exception:
  IllegalArgumentException - if name is null



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