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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.Deployer

All known Subclasses:   org.apache.catalina.core.StandardHost,  org.apache.catalina.core.StandardHostDeployer,
Deployer
public interface Deployer (Code)
A Deployer is a specialized Container into which web applications can be deployed and undeployed. Such a Container will create and install child Context instances for each deployed application. The unique key for each web application will be the context path to which it is attached.
author:
   Craig R. McClanahan
version:
   $Revision: 1.6 $ $Date: 2002/04/09 23:48:21 $


Field Summary
final public static  StringINSTALL_EVENT
     The ContainerEvent event type sent when a new application is installed by install(), after it has been started.
final public static  StringPRE_INSTALL_EVENT
     The ContainerEvent event type sent when a new application is being installed by install(), before it has been started.
final public static  StringREMOVE_EVENT
     The ContainerEvent event type sent when an existing application is removed by remove().


Method Summary
public  ContextfindDeployedApp(String contextPath)
     Return the Context for the deployed application that is associated with the specified context path (if any); otherwise return null.
public  String[]findDeployedApps()
     Return the context paths of all deployed web applications in this Container.
public  StringgetName()
     Return the name of the Container with which this Deployer is associated.
public  voidinstall(String contextPath, URL war)
     Install a new web application, whose web application archive is at the specified URL, into this container with the specified context path. A context path of "" (the empty string) should be used for the root application for this container.
public  voidinstall(URL config, URL war)
    

Install a new web application, whose context configuration file (consisting of a <Context> element) and web application archive are at the specified URLs.

If this application is successfully installed, a ContainerEvent of type INSTALL_EVENT will be sent to all registered listeners, with the newly created Context as an argument.

public  voidremove(String contextPath)
     Remove an existing web application, attached to the specified context path.
public  voidstart(String contextPath)
     Start an existing web application, attached to the specified context path.
public  voidstop(String contextPath)
     Stop an existing web application, attached to the specified context path.

Field Detail
INSTALL_EVENT
final public static String INSTALL_EVENT(Code)
The ContainerEvent event type sent when a new application is installed by install(), after it has been started.



PRE_INSTALL_EVENT
final public static String PRE_INSTALL_EVENT(Code)
The ContainerEvent event type sent when a new application is being installed by install(), before it has been started.



REMOVE_EVENT
final public static String REMOVE_EVENT(Code)
The ContainerEvent event type sent when an existing application is removed by remove().





Method Detail
findDeployedApp
public Context findDeployedApp(String contextPath)(Code)
Return the Context for the deployed application that is associated with the specified context path (if any); otherwise return null.
Parameters:
  contextPath - The context path of the requested web application



findDeployedApps
public String[] findDeployedApps()(Code)
Return the context paths of all deployed web applications in this Container. If there are no deployed applications, a zero-length array is returned.



getName
public String getName()(Code)
Return the name of the Container with which this Deployer is associated.



install
public void install(String contextPath, URL war) throws IOException(Code)
Install a new web application, whose web application archive is at the specified URL, into this container with the specified context path. A context path of "" (the empty string) should be used for the root application for this container. Otherwise, the context path must start with a slash.

If this application is successfully installed, a ContainerEvent of type INSTALL_EVENT will be sent to all registered listeners, with the newly created Context as an argument.
Parameters:
  contextPath - The context path to which this application shouldbe installed (must be unique)
Parameters:
  war - A URL of type "jar:" that points to a WAR file, or type"file:" that points to an unpacked directory structure containingthe web application to be installed
exception:
  IllegalArgumentException - if the specified context pathis malformed (it must be "" or start with a slash)
exception:
  IllegalStateException - if the specified context pathis already attached to an existing web application
exception:
  IOException - if an input/output error was encounteredduring installation




install
public void install(URL config, URL war) throws IOException(Code)

Install a new web application, whose context configuration file (consisting of a <Context> element) and web application archive are at the specified URLs.

If this application is successfully installed, a ContainerEvent of type INSTALL_EVENT will be sent to all registered listeners, with the newly created Context as an argument.


Parameters:
  config - A URL that points to the context configuration file tobe used for configuring the new Context
Parameters:
  war - A URL of type "jar:" that points to a WAR file, or type"file:" that points to an unpacked directory structure containingthe web application to be installed
exception:
  IllegalArgumentException - if one of the specified URLs isnull
exception:
  IllegalStateException - if the context path specified in thecontext configuration file is already attached to an existing webapplication
exception:
  IOException - if an input/output error was encounteredduring installation



remove
public void remove(String contextPath) throws IOException(Code)
Remove an existing web application, attached to the specified context path. If this application is successfully removed, a ContainerEvent of type REMOVE_EVENT will be sent to all registered listeners, with the removed Context as an argument.
Parameters:
  contextPath - The context path of the application to be removed
exception:
  IllegalArgumentException - if the specified context pathis malformed (it must be "" or start with a slash)
exception:
  IllegalArgumentException - if the specified context path doesnot identify a currently installed web application
exception:
  IOException - if an input/output error occurs duringremoval



start
public void start(String contextPath) throws IOException(Code)
Start an existing web application, attached to the specified context path. Only starts a web application if it is not running.
Parameters:
  contextPath - The context path of the application to be started
exception:
  IllegalArgumentException - if the specified context pathis malformed (it must be "" or start with a slash)
exception:
  IllegalArgumentException - if the specified context path doesnot identify a currently installed web application
exception:
  IOException - if an input/output error occurs duringstartup



stop
public void stop(String contextPath) throws IOException(Code)
Stop an existing web application, attached to the specified context path. Only stops a web application if it is running.
Parameters:
  contextPath - The context path of the application to be stopped
exception:
  IllegalArgumentException - if the specified context pathis malformed (it must be "" or start with a slash)
exception:
  IllegalArgumentException - if the specified context path doesnot identify a currently installed web application
exception:
  IOException - if an input/output error occurs while stoppingthe web application



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