org.nanoj.web.tinymvc

Class GenericAction

java.lang.Object

org.nanoj.web.tinymvc.GenericAction

All Implemented Interfaces:

Action

public abstract class GenericAction
extends Object
implements Action

Generic Action (abstract) implementation with few useful methods

Author:

Laurent Guerin

Constructor Summary

Constructors

Constructor and Description
GenericAction()

Method Summary

Methods

Modifier and Type	Method and Description
void	afterAction(String method, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Action post-processing
void	beforeAction(String method, javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Action pre-processing
protected <T> InputParameter<T>	getInputParameter(javax.servlet.http.HttpServletRequest request, String paramName, Class<T> clazz) Returns an InputParameter of the expected class for the given parameter name
protected boolean	getParamAsBoolean(javax.servlet.http.HttpServletRequest request, String paramName) Returns the parameter's value as a boolean Throws an exception if not found
protected boolean	getParamAsBoolean(javax.servlet.http.HttpServletRequest request, String paramName, Boolean defaultValue) Returns the parameter's value as a boolean With a default value (used if not found)
protected double	getParamAsDouble(javax.servlet.http.HttpServletRequest request, String paramName) Returns the parameter's value as a double Throws an exception if not found
protected double	getParamAsDouble(javax.servlet.http.HttpServletRequest request, String paramName, Double defaultValue) Returns the parameter's value as a double With a default value (used if not found)
protected float	getParamAsFloat(javax.servlet.http.HttpServletRequest request, String paramName) Returns the parameter's value as a float Throws an exception if not found
protected float	getParamAsFloat(javax.servlet.http.HttpServletRequest request, String paramName, Float defaultValue) Returns the parameter's value as a float With a default value (used if not found)
protected int	getParamAsInt(javax.servlet.http.HttpServletRequest request, String paramName) Returns the parameter's value as an integer Throws an exception if not found
protected int	getParamAsInt(javax.servlet.http.HttpServletRequest request, String paramName, Integer defaultValue) Returns the parameter's value as an integer With a default value (used if not found)
protected String	getParamAsString(javax.servlet.http.HttpServletRequest request, String paramName) Returns the parameter's value as a String Throws an exception if not found
protected String	getParamAsString(javax.servlet.http.HttpServletRequest request, String paramName, String defaultValue) Returns the parameter's value as a String With a default value (used if not found)
protected Map<String,String>	getParametersMap(javax.servlet.http.HttpServletRequest request) Returns a Map built from the Http request parameters
protected void	populateBeanFromParameters(Object bean, javax.servlet.http.HttpServletRequest request) Populate the given bean with the Http request parameters Each request parameter having the same name as a bean property is set in the bean
protected void	setFieldValue(javax.servlet.http.HttpServletRequest request, String fieldName, String fieldValue) Set a specific field value in the "fieldvalue" object (in the request scope)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.nanoj.web.tinymvc.Action

process

Constructor Detail

GenericAction

public GenericAction()

Method Detail

beforeAction

public void beforeAction(String method,
                javax.servlet.http.HttpServletRequest request,
                javax.servlet.http.HttpServletResponse response)

Description copied from interface: Action

Action pre-processing

Specified by:

beforeAction in interface Action

afterAction

public void afterAction(String method,
               javax.servlet.http.HttpServletRequest request,
               javax.servlet.http.HttpServletResponse response)

Description copied from interface: Action

Action post-processing

Specified by:

afterAction in interface Action

getParametersMap

protected Map<String,String> getParametersMap(javax.servlet.http.HttpServletRequest request)

Returns a Map built from the Http request parameters

Parameters:

request -

Returns:

populateBeanFromParameters

protected void populateBeanFromParameters(Object bean,
                              javax.servlet.http.HttpServletRequest request)

Populate the given bean with the Http request parameters
Each request parameter having the same name as a bean property is set in the bean

Parameters:

bean -

request -

getInputParameter

protected <T> InputParameter<T> getInputParameter(javax.servlet.http.HttpServletRequest request,
                                      String paramName,
                                      Class<T> clazz)

Returns an InputParameter of the expected class for the given parameter name

Parameters:

request - the http request

paramName - the parameter's name

clazz - the type of the InputParameter

Returns:

setFieldValue

protected void setFieldValue(javax.servlet.http.HttpServletRequest request,
                 String fieldName,
                 String fieldValue)

Set a specific field value in the "fieldvalue" object (in the request scope)

Parameters:

request -

fieldName -

fieldValue -

getParamAsString

protected String getParamAsString(javax.servlet.http.HttpServletRequest request,
                      String paramName)

Returns the parameter's value as a String
Throws an exception if not found

Parameters:

request -

paramName -

Returns:

getParamAsString

protected String getParamAsString(javax.servlet.http.HttpServletRequest request,
                      String paramName,
                      String defaultValue)

Returns the parameter's value as a String
With a default value (used if not found)

Parameters:

request -

paramName -

defaultValue -

Returns:

getParamAsBoolean

protected boolean getParamAsBoolean(javax.servlet.http.HttpServletRequest request,
                        String paramName)

Returns the parameter's value as a boolean
Throws an exception if not found

Parameters:

request -

paramName -

Returns:

getParamAsBoolean

protected boolean getParamAsBoolean(javax.servlet.http.HttpServletRequest request,
                        String paramName,
                        Boolean defaultValue)

Returns the parameter's value as a boolean
With a default value (used if not found)

Parameters:

request -

paramName -

defaultValue -

Returns:

getParamAsDouble

protected double getParamAsDouble(javax.servlet.http.HttpServletRequest request,
                      String paramName)

Returns the parameter's value as a double
Throws an exception if not found

Parameters:

request -

paramName -

Returns:

getParamAsDouble

protected double getParamAsDouble(javax.servlet.http.HttpServletRequest request,
                      String paramName,
                      Double defaultValue)

Returns the parameter's value as a double
With a default value (used if not found)

Parameters:

request -

paramName -

defaultValue -

Returns:

getParamAsFloat

protected float getParamAsFloat(javax.servlet.http.HttpServletRequest request,
                    String paramName)

Returns the parameter's value as a float
Throws an exception if not found

Parameters:

request -

paramName -

Returns:

getParamAsFloat

protected float getParamAsFloat(javax.servlet.http.HttpServletRequest request,
                    String paramName,
                    Float defaultValue)

Returns the parameter's value as a float
With a default value (used if not found)

Parameters:

request -

paramName -

defaultValue -

Returns:

getParamAsInt

protected int getParamAsInt(javax.servlet.http.HttpServletRequest request,
                String paramName)

Returns the parameter's value as an integer
Throws an exception if not found

Parameters:

request -

paramName -

Returns:

getParamAsInt

protected int getParamAsInt(javax.servlet.http.HttpServletRequest request,
                String paramName,
                Integer defaultValue)

Returns the parameter's value as an integer
With a default value (used if not found)

Parameters:

request -

paramName -

defaultValue -

Returns: