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## org.apache.struts.config
Class ActionConfig

    java.lang.Object
      org.apache.struts.config.BaseConfig
          org.apache.struts.config.ActionConfig

All Implemented Interfaces:
  Serializable

Direct Known Subclasses:
  ActionMapping

    public class ActionConfig

extends BaseConfig

A JavaBean representing the configuration information of an `<action>` element from a Struts module configuration file.

Since:
  Struts 1.1
Version:
  $Rev: 480593 $ $Date: 2006-11-29 09:17:52 -0600 (Wed, 29 Nov 2006) $
See Also:
  Serialized Form

Field Summary
`protected String` | `actionId` The internal identification of this action mapping.
`protected String` | `attribute` The request-scope or session-scope attribute name under which our form bean is accessed, if it is different from the form bean's specified `name`.
`protected boolean` | `cancellable` Can this Action be cancelled? [false]
`protected String` | `catalog` The name of a `commons-chain` catalog in which `command` should be sought.
`protected String` | `command` The name of a `commons-chain` command which should be executed as part of the processing of this action.
`protected HashMap` | `exceptions` The set of exception handling configurations for this action, if any, keyed by the `type` property.
`protected boolean` | `extensionProcessed` Have the inheritance values for this class been applied?
`protected String` | `forward` Context-relative path of the web application resource that will process this request via RequestDispatcher.forward(), instead of instantiating and calling the `Action` class specified by "type".
`protected HashMap` | `forwards` The set of local forward configurations for this action, if any, keyed by the `name` property.
`protected String` | `include` Context-relative path of the web application resource that will process this request via RequestDispatcher.include(), instead of instantiating and calling the `Action` class specified by "type".
`protected String` | `inherit` The path of the ActionConfig that this object should inherit properties from.
`protected String` | `input` Context-relative path of the input form to which control should be returned if a validation error is encountered.
`protected ModuleConfig` | `moduleConfig` The module configuration with which we are associated.
`protected String` | `multipartClass` Fully qualified Java class name of the `MultipartRequestHandler` implementation class used to process multi-part request data for this Action.
`protected String` | `name` Name of the form bean, if any, associated with this Action.
`protected String` | `parameter` General purpose configuration parameter that can be used to pass extra information to the Action instance selected by this Action.
`protected String` | `path` Context-relative path of the submitted request, starting with a slash ("/") character, and omitting any filename extension if extension mapping is being used.
`protected String` | `prefix` Prefix used to match request parameter names to form bean property names, if any.
`protected String[]` | `roleNames` The set of security role names used to authorize access to this Action, as an array for faster access.
`protected String` | `roles` Comma-delimited list of security role names allowed to request this Action.
`protected String` | `scope` Identifier of the scope ("request" or "session") within which our form bean is accessed, if any.
`protected String` | `suffix` Suffix used to match request parameter names to form bean property names, if any.
`protected String` | `type` Fully qualified Java class name of the `Action` class to be used to process requests for this mapping if the `forward` and `include` properties are not set.
`protected boolean` | `unknown` Indicates Action be configured as the default one for this module, when true.
`protected boolean` | `validate` Should the `validate()` method of the form bean associated with this action be called?

Fields inherited from class org.apache.struts.config.BaseConfig
`configured`

Constructor Summary
`ActionConfig()`

Method Summary
`void` | `addExceptionConfig(ExceptionConfig config)` Add a new `ExceptionConfig` instance to the set associated with this action.
`void` | `addForwardConfig(ForwardConfig config)` Add a new `ForwardConfig` instance to the set of global forwards associated with this action.
`protected boolean` | `checkCircularInheritance(ModuleConfig moduleConfig)` Traces the hierarchy of this object to check if any of the ancestors is extending this instance.
`ExceptionConfig` | `findException(Class type)` Find and return the `ExceptionConfig` instance defining how `Exceptions` of the specified type should be handled.
`ExceptionConfig` | `findExceptionConfig(String type)` Return the exception configuration for the specified type, if any; otherwise return `null`.
`ExceptionConfig[]` | `findExceptionConfigs()` Return the exception configurations for this action.
`ForwardConfig` | `findForwardConfig(String name)` Return the forward configuration for the specified key, if any; otherwise return `null`.
`ForwardConfig[]` | `findForwardConfigs()` Return all forward configurations for this module.
`void` | `freeze()` Freeze the configuration of this action.
`String` | `getActionId()` The internal name of this action mapping.
`String` | `getAttribute()` Returns the request-scope or session-scope attribute name under which our form bean is accessed, if it is different from the form bean's specified `name`.
`boolean` | `getCancellable()` Accessor for cancellable property
`String` | `getCatalog()` Get the name of a `commons-chain` catalog in which a specified command should be sought.
`String` | `getCommand()` Get the name of a `commons-chain` command which should be executed as part of the processing of this action.
`String` | `getExtends()` Returns the path of the ActionConfig that this object should inherit properties from.
`String` | `getForward()` Returns context-relative path of the web application resource that will process this request.
`String` | `getInclude()` Context-relative path of the web application resource that will process this request.
`String` | `getInput()` Get the context-relative path of the input form to which control should be returned if a validation error is encountered.
`ModuleConfig` | `getModuleConfig()` The module configuration with which we are associated.
`String` | `getMultipartClass()` Return the fully qualified Java class name of the `MultipartRequestHandler` implementation class used to process multi-part request data for this Action.
`String` | `getName()` Return name of the form bean, if any, associated with this Action.
`String` | `getParameter()` Return general purpose configuration parameter that can be used to pass extra information to the Action instance selected by this Action.
`String` | `getPath()` Return context-relative path of the submitted request, starting with a slash ("/") character, and omitting any filename extension if extension mapping is being used.
`String` | `getPrefix()` Retruns prefix used to match request parameter names to form bean property names, if any.
`String[]` | `getRoleNames()` Get array of security role names used to authorize access to this Action.
`String` | `getRoles()`
`String` | `getScope()` Get the scope ("request" or "session") within which our form bean is accessed, if any.
`String` | `getSuffix()` Return suffix used to match request parameter names to form bean property names, if any.
`String` | `getType()`
`boolean` | `getUnknown()` Determine whether Action is configured as the default one for this module.
`boolean` | `getValidate()`
`protected void` | `inheritExceptionHandlers(ActionConfig baseConfig)` Compare the exception handlers of this action with that of the given and copy those that are not present.
`protected void` | `inheritForwards(ActionConfig baseConfig)` Compare the forwards of this action with that of the given and copy those that are not present.
`void` | `inheritFrom(ActionConfig config)` Inherit values that have not been overridden from the provided config object.
`boolean` | `isExtensionProcessed()`
`void` | `processExtends(ModuleConfig moduleConfig)` Inherit configuration information from the ActionConfig that this instance is extending.
`void` | `removeExceptionConfig(ExceptionConfig config)` Remove the specified exception configuration instance.
`void` | `removeForwardConfig(ForwardConfig config)` Remove the specified forward configuration instance.
`void` | `setActionId(String actionId)` The internal name of this action mapping.
`void` | `setAttribute(String attribute)` Set the request-scope or session-scope attribute name under which our form bean is accessed, if it is different from the form bean's specified `name`.
`void` | `setCancellable(boolean cancellable)` Mutator for for cancellable property
`void` | `setCatalog(String catalog)` Set the name of a `commons-chain` catalog in which a specified command should be sought.
`void` | `setCommand(String command)` Set the name of a `commons-chain` command which should be executed as part of the processing of this action.
`void` | `setExtends(String inherit)` Set the path of the ActionConfig that this object should inherit properties from.
`void` | `setForward(String forward)` Set the context-relative path of the web application resource that will process this request.
`void` | `setInclude(String include)` Set context-relative path of the web application resource that will process this request.
`void` | `setInput(String input)` Set the context-relative path of the input form to which control should be returned if a validation error is encountered.
`void` | `setModuleConfig(ModuleConfig moduleConfig)` The module configuration with which we are associated.
`void` | `setMultipartClass(String multipartClass)` Set the fully qualified Java class name of the `MultipartRequestHandler` implementation class used to process multi-part request data for this Action.
`void` | `setName(String name)`
`void` | `setParameter(String parameter)` General purpose configuration parameter that can be used to pass extra information to the Action instance selected by this Action.
`void` | `setPath(String path)` Set context-relative path of the submitted request, starting with a slash ("/") character, and omitting any filename extension if extension mapping is being used.
`void` | `setPrefix(String prefix)`
`void` | `setRoles(String roles)`
`void` | `setScope(String scope)`
`void` | `setSuffix(String suffix)`
`void` | `setType(String type)`
`void` | `setUnknown(boolean unknown)`
`void` | `setValidate(boolean validate)`
`String` | `toString()` Return a String representation of this object.

Methods inherited from class org.apache.struts.config.BaseConfig
`copyProperties, getProperties, getProperty, inheritProperties, setProperties, setProperty, throwIfConfigured`

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

Field Detail

### exceptions

    protected HashMap exceptions

  The set of exception handling configurations for this action, if any, keyed by the `type` property.

### forwards

    protected HashMap forwards

  The set of local forward configurations for this action, if any, keyed by the `name` property.

### moduleConfig

    protected ModuleConfig moduleConfig

  The module configuration with which we are associated.

### attribute

    protected String attribute

  The request-scope or session-scope attribute name under which our form bean is accessed, if it is different from the form bean's specified `name`.

### actionId

    protected String actionId

  The internal identification of this action mapping. Identifications are not inheritable and must be unique within a module.

  Since:
    Struts 1.3.6

### inherit

    protected String inherit

  The path of the ActionConfig that this object should inherit properties from.

### cancellable

    protected boolean cancellable

  Can this Action be cancelled? [false]

  By default, when an Action is cancelled, validation is bypassed and the Action should not execute the business operation. If a request tries to cancel an Action when cancellable is not set, a "InvalidCancelException" is thrown.

### extensionProcessed

    protected boolean extensionProcessed

  Have the inheritance values for this class been applied?

### forward

    protected String forward

  Context-relative path of the web application resource that will process this request via RequestDispatcher.forward(), instead of instantiating and calling the `Action` class specified by "type". Exactly one of `forward`, `include`, or `type` must be specified.

### include

    protected String include

  Context-relative path of the web application resource that will process this request via RequestDispatcher.include(), instead of instantiating and calling the `Action` class specified by "type". Exactly one of `forward`, `include`, or `type` must be specified.

### input

    protected String input

  Context-relative path of the input form to which control should be returned if a validation error is encountered. Required if "name" is specified and the input bean returns validation errors.

### multipartClass

    protected String multipartClass

  Fully qualified Java class name of the `MultipartRequestHandler` implementation class used to process multi-part request data for this Action.

### name

    protected String name

  Name of the form bean, if any, associated with this Action.

### parameter

    protected String parameter

  General purpose configuration parameter that can be used to pass extra information to the Action instance selected by this Action. Struts does not itself use this value in any way.

### path

    protected String path

  Context-relative path of the submitted request, starting with a slash ("/") character, and omitting any filename extension if extension mapping is being used.

### prefix

    protected String prefix

  Prefix used to match request parameter names to form bean property names, if any.

### roles

    protected String roles

  Comma-delimited list of security role names allowed to request this Action.

### roleNames

    protected String[] roleNames

  The set of security role names used to authorize access to this Action, as an array for faster access.

### scope

    protected String scope

  Identifier of the scope ("request" or "session") within which our form bean is accessed, if any.

### suffix

    protected String suffix

  Suffix used to match request parameter names to form bean property names, if any.

### type

    protected String type

  Fully qualified Java class name of the `Action` class to be used to process requests for this mapping if the `forward` and `include` properties are not set. Exactly one of `forward`, `include`, or `type` must be specified.

### unknown

    protected boolean unknown

  Indicates Action be configured as the default one for this module, when true.

### validate

    protected boolean validate

  Should the `validate()` method of the form bean associated with this action be called?

### command

    protected String command

  The name of a `commons-chain` command which should be executed as part of the processing of this action.

  Since:
    Struts 1.3.0

### catalog

    protected String catalog

  The name of a `commons-chain` catalog in which `command` should be sought. If a `command` is defined and this property is undefined, the "default" catalog will be used. This is likely to be infrequently used after a future release of `commons-chain` supports a one-string expression of a catalog/chain combination.

  Since:
    Struts 1.3.0

Constructor Detail

### ActionConfig

    public ActionConfig()

Method Detail

### getActionId

    public String getActionId()

  The internal name of this action mapping. If an action has a name, it may be used as a shortcut in a URI. For example, an action with an identification of "editPerson" may be internally forwarded as "editPerson?id=1" which will then resolve to the real URI path at execution time.

  Returns:
    the actionId
  Since:
    Struts 1.3.6

### setActionId

    public void setActionId(String actionId)

  The internal name of this action mapping. The name is not inheritable, may not contain a forward slash, and must be unique within a module.

  Parameters:
    `actionId` - the action identifier
  Throws:
    `IllegalStateException` - if the configuration is frozen
    `IllegalArgumentException` - if the identifier contains a forward slash
  Since:
    Struts 1.3.6

### getModuleConfig

    public ModuleConfig getModuleConfig()

  The module configuration with which we are associated.

### setModuleConfig

    public void setModuleConfig(ModuleConfig moduleConfig)

  The module configuration with which we are associated.

### getAttribute

    public String getAttribute()

  Returns the request-scope or session-scope attribute name under which our form bean is accessed, if it is different from the form bean's specified `name`.

  Returns:
    attribute name under which our form bean is accessed.

### setAttribute

    public void setAttribute(String attribute)

  Set the request-scope or session-scope attribute name under which our form bean is accessed, if it is different from the form bean's specified `name`.

  Parameters:
    `attribute` - the request-scope or session-scope attribute name under which our form bean is access.

### getCancellable

    public boolean getCancellable()

  Accessor for cancellable property

  Returns:
    True if Action can be cancelled

### setCancellable

    public void setCancellable(boolean cancellable)

  Mutator for for cancellable property

  Parameters:
    `cancellable` -

### getExtends

    public String getExtends()

  Returns the path of the ActionConfig that this object should inherit properties from.

  Returns:
    the path of the ActionConfig that this object should inherit properties from.

### setExtends

    public void setExtends(String inherit)

  Set the path of the ActionConfig that this object should inherit properties from.

  Parameters:
    `inherit` - the path of the ActionConfig that this object should inherit properties from.

### isExtensionProcessed

    public boolean isExtensionProcessed()

### getForward

    public String getForward()

  Returns context-relative path of the web application resource that will process this request.

  Returns:
    context-relative path of the web application resource that will process this request.

### setForward

    public void setForward(String forward)

  Set the context-relative path of the web application resource that will process this request. Exactly one of `forward`, `include`, or `type` must be specified.

  Parameters:
    `forward` - context-relative path of the web application resource that will process this request.

### getInclude

    public String getInclude()

  Context-relative path of the web application resource that will process this request.

  Returns:
    Context-relative path of the web application resource that will process this request.

### setInclude

    public void setInclude(String include)

  Set context-relative path of the web application resource that will process this request. Exactly one of `forward`, `include`, or `type` must be specified.

  Parameters:
    `include` - context-relative path of the web application resource that will process this request.

### getInput

    public String getInput()

  Get the context-relative path of the input form to which control should be returned if a validation error is encountered.

  Returns:
    context-relative path of the input form to which control should be returned if a validation error is encountered.

### setInput

    public void setInput(String input)

  Set the context-relative path of the input form to which control should be returned if a validation error is encountered. Required if "name" is specified and the input bean returns validation errors.

  Parameters:
    `input` - context-relative path of the input form to which control should be returned if a validation error is encountered.

### getMultipartClass

    public String getMultipartClass()

  Return the fully qualified Java class name of the `MultipartRequestHandler` implementation class used to process multi-part request data for this Action.

### setMultipartClass

    public void setMultipartClass(String multipartClass)

  Set the fully qualified Java class name of the `MultipartRequestHandler` implementation class used to process multi-part request data for this Action.

  Parameters:
    `multipartClass` - fully qualified class name of the `MultipartRequestHandler` implementation class.

### getName

    public String getName()

  Return name of the form bean, if any, associated with this Action.

### setName

    public void setName(String name)

  Parameters:
    `name` - name of the form bean associated with this Action.

### getParameter

    public String getParameter()

  Return general purpose configuration parameter that can be used to pass extra information to the Action instance selected by this Action. Struts does not itself use this value in any way.

### setParameter

    public void setParameter(String parameter)

  General purpose configuration parameter that can be used to pass extra information to the Action instance selected by this Action. Struts does not itself use this value in any way.

  Parameters:
    `parameter` - General purpose configuration parameter.

### getPath

    public String getPath()

  Return context-relative path of the submitted request, starting with a slash ("/") character, and omitting any filename extension if extension mapping is being used.

### setPath

    public void setPath(String path)

  Set context-relative path of the submitted request, starting with a slash ("/") character, and omitting any filename extension if extension mapping is being used.

  Parameters:
    `path` - context-relative path of the submitted request.

### getPrefix

    public String getPrefix()

  Retruns prefix used to match request parameter names to form bean property names, if any.

### setPrefix

    public void setPrefix(String prefix)

  Parameters:
    `prefix` - Prefix used to match request parameter names to form bean property names, if any.

### getRoles

    public String getRoles()

### setRoles

    public void setRoles(String roles)

### getRoleNames

    public String[] getRoleNames()

  Get array of security role names used to authorize access to this Action.

### getScope

    public String getScope()

  Get the scope ("request" or "session") within which our form bean is accessed, if any.

### setScope

    public void setScope(String scope)

  Parameters:
    `scope` - scope ("request" or "session") within which our form bean is accessed, if any.

### getSuffix

    public String getSuffix()

  Return suffix used to match request parameter names to form bean property names, if any.

### setSuffix

    public void setSuffix(String suffix)

  Parameters:
    `suffix` - Suffix used to match request parameter names to form bean property names, if any.

### getType

    public String getType()

### setType

    public void setType(String type)

### getUnknown

    public boolean getUnknown()

  Determine whether Action is configured as the default one for this module.

### setUnknown

    public void setUnknown(boolean unknown)

  Parameters:
    `unknown` - Indicates Action is configured as the default one for this module, when true.

### getValidate

    public boolean getValidate()

### setValidate

    public void setValidate(boolean validate)

### getCommand

    public String getCommand()

  Get the name of a `commons-chain` command which should be executed as part of the processing of this action.

  Returns:
    name of a `commons-chain` command which should be executed as part of the processing of this action.
  Since:
    Struts 1.3.0

### getCatalog

    public String getCatalog()

  Get the name of a `commons-chain` catalog in which a specified command should be sought. This is likely to be infrequently used after a future release of `commons-chain` supports a one-string expression of a catalog/chain combination.

  Returns:
    name of a `commons-chain` catalog in which a specified command should be sought.
  Since:
    Struts 1.3.0

### setCommand

    public void setCommand(String command)

  Set the name of a `commons-chain` command which should be executed as part of the processing of this action.

  Parameters:
    `command` - name of a `commons-chain` command which should be executed as part of the processing of this action.
  Since:
    Struts 1.3.0

### setCatalog

    public void setCatalog(String catalog)

  Set the name of a `commons-chain` catalog in which a specified command should be sought. This is likely to be infrequently used after a future release of `commons-chain` supports a one-string expression of a catalog/chain combination.

  Parameters:
    `catalog` - name of a `commons-chain` catalog in which a specified command should be sought.
  Since:
    Struts 1.3.0

### checkCircularInheritance

    protected boolean checkCircularInheritance(ModuleConfig moduleConfig)

  Traces the hierarchy of this object to check if any of the ancestors is extending this instance.

  Parameters:
    `moduleConfig` - The configuration for the module being configured.
  Returns:
    true if circular inheritance was detected.

### inheritExceptionHandlers

    protected void inheritExceptionHandlers(ActionConfig baseConfig)
                                     throws ClassNotFoundException,
                                            IllegalAccessException,
                                            InstantiationException,
                                            InvocationTargetException

  Compare the exception handlers of this action with that of the given and copy those that are not present.

  Parameters:
    `baseConfig` - The action config to copy handlers from.
  Throws:
    `ClassNotFoundException`
    `IllegalAccessException`
    `InstantiationException`
    `InvocationTargetException`
  See Also:
    `inheritFrom(ActionConfig)`

### inheritForwards

    protected void inheritForwards(ActionConfig baseConfig)
                            throws ClassNotFoundException,
                                   IllegalAccessException,
                                   InstantiationException,
                                   InvocationTargetException

  Compare the forwards of this action with that of the given and copy those that are not present.

  Parameters:
    `baseConfig` - The action config to copy forwards from.
  Throws:
    `ClassNotFoundException`
    `IllegalAccessException`
    `InstantiationException`
    `InvocationTargetException`
  See Also:
    `inheritFrom(ActionConfig)`

### addExceptionConfig

    public void addExceptionConfig(ExceptionConfig config)

  Add a new `ExceptionConfig` instance to the set associated with this action.

  Parameters:
    `config` - The new configuration instance to be added
  Throws:
    `IllegalStateException` - if this module configuration has been frozen

### addForwardConfig

    public void addForwardConfig(ForwardConfig config)

  Add a new `ForwardConfig` instance to the set of global forwards associated with this action.

  Parameters:
    `config` - The new configuration instance to be added
  Throws:
    `IllegalStateException` - if this module configuration has been frozen

### findExceptionConfig

    public ExceptionConfig findExceptionConfig(String type)

  Return the exception configuration for the specified type, if any; otherwise return `null`.

  Parameters:
    `type` - Exception class name to find a configuration for

### findExceptionConfigs

    public ExceptionConfig[] findExceptionConfigs()

  Return the exception configurations for this action. If there are none, a zero-length array is returned.

### findException

    public ExceptionConfig findException(Class type)

  Find and return the `ExceptionConfig` instance defining how `Exceptions` of the specified type should be handled. This is performed by checking local and then global configurations for the specified exception's class, and then looking up the superclass chain (again checking local and then global configurations). If no handler configuration can be found, return `null`.

  Introduced in `ActionMapping` in Struts 1.1, but pushed up to `ActionConfig` in Struts 1.2.0.

  Parameters:
    `type` - Exception class for which to find a handler
  Since:
    Struts 1.2.0

### findForwardConfig

    public ForwardConfig findForwardConfig(String name)

  Return the forward configuration for the specified key, if any; otherwise return `null`.

  Parameters:
    `name` - Name of the forward configuration to return

### findForwardConfigs

    public ForwardConfig[] findForwardConfigs()

  Return all forward configurations for this module. If there are none, a zero-length array is returned.

### freeze

    public void freeze()

  Freeze the configuration of this action.

  Overrides:
    `freeze` in class `BaseConfig`

### inheritFrom

    public void inheritFrom(ActionConfig config)
                     throws ClassNotFoundException,
                            IllegalAccessException,
                            InstantiationException,
                            InvocationTargetException

  Inherit values that have not been overridden from the provided config object. Subclasses overriding this method should verify that the given parameter is of a class that contains a property it is trying to inherit:

       if (config instanceof MyCustomConfig) {
           MyCustomConfig myConfig =
               (MyCustomConfig) config;

           if (getMyCustomProp() == null) {
               setMyCustomProp(myConfig.getMyCustomProp());
           }
       }

  If the given `config` is extending another object, those extensions should be resolved before it's used as a parameter to this method.

  Parameters:
    `config` - The object that this instance will be inheriting its values from.
  Throws:
    `ClassNotFoundException`
    `IllegalAccessException`
    `InstantiationException`
    `InvocationTargetException`
  See Also:
    `processExtends(ModuleConfig)`

### processExtends

    public void processExtends(ModuleConfig moduleConfig)
                        throws ClassNotFoundException,
                               IllegalAccessException,
                               InstantiationException,
                               InvocationTargetException

  Inherit configuration information from the ActionConfig that this instance is extending. This method verifies that any action config object that it inherits from has also had its processExtends() method called.

  Parameters:
    `moduleConfig` - The `ModuleConfig` that this bean is from.
  Throws:
    `ClassNotFoundException`
    `IllegalAccessException`
    `InstantiationException`
    `InvocationTargetException`
  See Also:
    `inheritFrom(ActionConfig)`

### removeExceptionConfig

    public void removeExceptionConfig(ExceptionConfig config)

  Remove the specified exception configuration instance.

  Parameters:
    `config` - ExceptionConfig instance to be removed
  Throws:
    `IllegalStateException` - if this module configuration has been frozen

### removeForwardConfig

    public void removeForwardConfig(ForwardConfig config)

  Remove the specified forward configuration instance.

  Parameters:
    `config` - ForwardConfig instance to be removed
  Throws:
    `IllegalStateException` - if this module configuration has been frozen

### toString

    public String toString()

  Return a String representation of this object.

  Overrides:
    `toString` in class `Object`

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