org.strutsit.chain
Class DependCommand

java.lang.Object
  org.strutsit.chain.DependCommand

All Implemented Interfaces:

org.apache.commons.chain.Command

public abstract class DependCommand

extends java.lang.Object

implements org.apache.commons.chain.Command

Abstract Command for checking dependencies

Since:

JDK 1.4

Version:

$Revision: 1.5 $

Author:

Manfred Wolff

Constructor Summary

DependCommand()

Method Summary

abstract void	doRegister() A DependCommand has to registers his dependencies.
abstract boolean	execute(org.apache.commons.chain.Context context) Execute a unit of processing work to be performed.
java.util.List	getClassNames() Returns all classNames as a List object.
java.util.List	getNames() Returns all names as a List object.
protected void	registerClassName(java.lang.String className) Register a dependency as a className
protected void	registerName(java.lang.String name) Register a dependency as a name.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DependCommand

public DependCommand()

Method Detail

registerName

protected void registerName(java.lang.String name)

Register a dependency as a name.

Parameters:

name - The name of the command that depends

registerClassName

protected void registerClassName(java.lang.String className)

Register a dependency as a className

Parameters:

className - The className of the command that depends

getNames

public java.util.List getNames()

Returns all names as a List object.

Returns:

A List object with all names.

getClassNames

public java.util.List getClassNames()

Returns all classNames as a List object.

Returns:

A List object with all ClassNames.

doRegister

public abstract void doRegister()

A DependCommand has to registers his dependencies.

execute

public abstract boolean execute(org.apache.commons.chain.Context context)
                         throws java.lang.Exception

Execute a unit of processing work to be performed. This Command may either complete the required processing and return true, or delegate remaining processing to the next Commandin a Chaincontaining this Commandby returning false

Specified by:

execute in interface org.apache.commons.chain.Command

Parameters:

context - The Contextto be processed by this Command

Returns:

true if the processing of this Contexthas been completed, or false if the processing of this Contextshould be delegated to a subsequent Commandin an enclosing Chain

Throws:

ChainException - general purpose exception return to indicate abnormal termination

java.lang.Exception