RunData (Apache Turbine 4.0.2-SNAPSHOT API)

All Superinterfaces:

PipelineData

All Known Subinterfaces:

TurbineRunData

All Known Implementing Classes:

DefaultTurbineRunData
```
public interface RunData
extends PipelineData
```
RunData is an interface to run-time information that is passed within Turbine. This provides the threading mechanism for the entire system because multiple requests can potentially come in at the same time. Thus, there is only one RunData instance for each request that is being serviced.

Version:

$Id: RunData.java 1792901 2017-04-27 14:08:57Z gk $

Author:

Ilkka Priha, Jon S. Stevens, Bernie Hoeneisen, Daniel Rall, Quinton McCombs

Method Summary

Methods
Modifier and Type	Method and Description
`void`	`addMessage(String msg)` Adds the string to message.
`void`	`declareDirectResponse()` Declares that output will be direct to the response stream, even though getOut() may never be called.
`<A extends org.apache.fulcrum.security.acl.AccessControlList> A`	`getACL()` Gets the access control list.
`String`	`getAction()` Gets the action.
`String`	`getCharSet()` Gets the charset.
`String`	`getContentType()` Gets the HTTP content type to return.
`String`	`getContextPath()` Gets the cached context path.
`org.apache.fulcrum.parser.CookieParser`	`getCookies()` Gets the cookies.
`Map<String,Object>`	`getDebugVariables()` Gets a Map of debug variables.
`Map<String,Context>`	`getJNDIContexts()` Gets JNDI Contexts.
`String`	`getLayout()` If the Layout has not been defined by the screen then set the layout to be "DefaultLayout".
`String`	`getLayoutTemplate()` Convenience method for a template info that returns the layout template being used.
`Locale`	`getLocale()` Gets the locale.
`String`	`getMessage()` Gets the results of an action or another message to be displayed as a string.
`String`	`getMessageAsHTML()` Gets the results of an action or another message to be displayed as a string.
`FormMessages`	`getMessages()` Gets a FormMessages object where all the messages to the user should be stored.
`PrintWriter`	`getOut()` Gets the print writer.
`org.apache.fulcrum.parser.ParameterParser`	`getParameters()` Gets the parameters.
`String`	`getRedirectURI()` Gets the redirect URI.
`String`	`getRemoteAddr()` Gets the IP address of the client that sent the request.
`String`	`getRemoteHost()` Gets the qualified name of the client that sent the request.
`javax.servlet.http.HttpServletRequest`	`getRequest()` Gets the servlet request.
`javax.servlet.http.HttpServletResponse`	`getResponse()` Gets the servlet response.
`String`	`getScreen()` Gets the screen to execute.
`String`	`getScreenTemplate()` Convenience method for a template info that returns the name of the template being used.
`String`	`getScriptName()` Gets the cached script name.
`ServerData`	`getServerData()` Gets the server data used by the request.
`String`	`getServerName()` Gets the cached server name.
`int`	`getServerPort()` Gets the cached server port.
`String`	`getServerScheme()` Gets the cached server scheme.
`javax.servlet.ServletConfig`	`getServletConfig()` Gets the servlet configuration used during servlet init.
`javax.servlet.ServletContext`	`getServletContext()` Gets the servlet context used during servlet init.
`javax.servlet.http.HttpSession`	`getSession()` Gets the servlet session information.
`String`	`getStackTrace()` Gets the stack trace if set.
`Throwable`	`getStackTraceException()` Gets the stack trace exception if set.
`int`	`getStatusCode()` Gets the HTTP status code to return.
`SystemError[]`	`getSystemErrors()` Gets an array of system errors.
`String`	`getTemplateEncoding()` Gets the character encoding to use for reading template files.
`TemplateInfo`	`getTemplateInfo()` Gets the template info.
`String`	`getTitle()` Gets the title of the page.
`<T extends User> T`	`getUser()` Gets the user.
`String`	`getUserAgent()` Get the user agent for the request.
`<T extends User> T`	`getUserFromSession()` Attempts to get the user from the session.
`boolean`	`hasAction()` Whether or not an action has been defined.
`boolean`	`hasMessage()` Whether or not a message has been defined.
`boolean`	`hasScreen()` Whether or not a screen has been defined.
`boolean`	`isOutSet()` Deprecated. no replacement planned, response writer will not be cached
`void`	`populate()` Pulls a user object from the session and increments the access counter and sets the last access date for the object.
`boolean`	`removeUserFromSession()` Allows one to invalidate the user in the default session.
`void`	`save()` Saves a user object into the session.
`<A extends org.apache.fulcrum.security.acl.AccessControlList> void`	`setACL(A acl)` Sets the access control list.
`void`	`setAction(String action)` Sets the action for the request.
`void`	`setCharSet(String charset)` Sets the charset.
`void`	`setContentType(String ct)` Sets the HTTP content type to return.
`void`	`setDebugVariable(String name, Object value)` Sets a name/value pair in an internal Map that is accessible from the Error screen.
`void`	`setJNDIContexts(Map<String,Context> contexts)` Sets JNDI Contexts.
`void`	`setLayout(String layout)` Set the layout for the request.
`void`	`setLayoutTemplate(String layout)` Modifies the layout template for the screen.
`void`	`setLocale(Locale locale)` Sets the locale.
`void`	`setMessage(String msg)` Sets the message for the request as a string.
`void`	`setMessages(FormMessages msgs)` Sets the FormMessages object for the request.
`void`	`setRedirectURI(String ruri)` Sets the redirect uri.
`void`	`setScreen(String screen)` Sets the screen for the request.
`void`	`setScreenTemplate(String screen)` Sets the screen template for the request.
`void`	`setStackTrace(String trace, Throwable exp)` Sets the stack trace.
`void`	`setStatusCode(int sc)` Sets the HTTP status code to return.
`void`	`setSystemError(SystemError err)` Adds a critical system error.
`void`	`setTemplateEncoding(String encoding)` Sets the character encoding to use for reading template files.
`void`	`setTitle(String title)` Sets the title of the page.
`<T extends User> void`	`setUser(T user)` Sets the user.
`void`	`unsetMessage()` Unsets the message for the request.
`boolean`	`userExists()` Checks if a user exists in this session.

Methods inherited from interface org.apache.turbine.pipeline.PipelineData
get, get, put

- Method Detail
  - getParameters
```
org.apache.fulcrum.parser.ParameterParser getParameters()
```
    Gets the parameters.
    
    Returns:
    a parameter parser.
  - getCookies
```
org.apache.fulcrum.parser.CookieParser getCookies()
```
    Gets the cookies.
    
    Returns:
    a cookie parser.
  - getRequest
```
javax.servlet.http.HttpServletRequest getRequest()
```
    Gets the servlet request.
    
    Returns:
    the request.
  - getResponse
```
javax.servlet.http.HttpServletResponse getResponse()
```
    Gets the servlet response.
    
    Returns:
    the resposne.
  - getSession
```
javax.servlet.http.HttpSession getSession()
```
    Gets the servlet session information.
    
    Returns:
    the session.
  - getServletConfig
```
javax.servlet.ServletConfig getServletConfig()
```
    Gets the servlet configuration used during servlet init.
    
    Returns:
    the configuration.
  - getServletContext
```
javax.servlet.ServletContext getServletContext()
```
    Gets the servlet context used during servlet init.
    
    Returns:
    the context.
  - getACL
```
<A extends org.apache.fulcrum.security.acl.AccessControlList> A getACL()
```
    Gets the access control list.
    
    Type Parameters:
    A - a type extending AccessControlList
    
    Returns:
    the access control list.
  - setACL
```
<A extends org.apache.fulcrum.security.acl.AccessControlList> void setACL(A acl)
```
    Sets the access control list.
    
    Parameters:
    acl - an access control list.
  - hasAction
```
boolean hasAction()
```
    Whether or not an action has been defined.
    
    Returns:
    true if an action has been defined.
  - getAction
```
String getAction()
```
    Gets the action. It returns an empty string if null so that it is easy to do conditionals on it based on the equalsIgnoreCase() method.
    
    Returns:
    a string, "" if null.
  - setAction
```
void setAction(String action)
```
    Sets the action for the request.
    
    Parameters:
    action - a string.
  - getLayout
```
String getLayout()
```
    If the Layout has not been defined by the screen then set the layout to be "DefaultLayout". The screen object can also override this method to provide intelligent determination of the Layout to execute. You can also define that logic here as well if you want it to apply on a global scale. For example, if you wanted to allow someone to define layout "preferences" where they could dynamically change the layout for the entire site.
    
    Returns:
    a string.
  - setLayout
```
void setLayout(String layout)
```
    Set the layout for the request.
    
    Parameters:
    layout - a string.
  - getLayoutTemplate
```
String getLayoutTemplate()
```
    Convenience method for a template info that returns the layout template being used.
    
    Returns:
    a string.
  - setLayoutTemplate
```
void setLayoutTemplate(String layout)
```
    Modifies the layout template for the screen. This convenience method allows for a layout to be modified from within a template. For example; $data.setLayoutTemplate("NewLayout.vm")
    
    Parameters:
    layout - a layout template.
  - hasScreen
```
boolean hasScreen()
```
    Whether or not a screen has been defined.
    
    Returns:
    true if a screen has been defined.
  - getScreen
```
String getScreen()
```
    Gets the screen to execute.
    
    Returns:
    a string.
  - setScreen
```
void setScreen(String screen)
```
    Sets the screen for the request.
    
    Parameters:
    screen - a string.
  - getScreenTemplate
```
String getScreenTemplate()
```
    Convenience method for a template info that returns the name of the template being used.
    
    Returns:
    a string.
  - setScreenTemplate
```
void setScreenTemplate(String screen)
```
    Sets the screen template for the request. For example; $data.setScreenTemplate("NewScreen.vm")
    
    Parameters:
    screen - a screen template.
  - getTemplateEncoding
```
String getTemplateEncoding()
```
    Gets the character encoding to use for reading template files.
    
    Returns:
    the template encoding or null if not specified.
  - setTemplateEncoding
```
void setTemplateEncoding(String encoding)
```
    Sets the character encoding to use for reading template files.
    
    Parameters:
    encoding - the template encoding.
  - getTemplateInfo
```
TemplateInfo getTemplateInfo()
```
    Gets the template info. Creates a new one if needed.
    
    Returns:
    a template info.
  - hasMessage
```
boolean hasMessage()
```
    Whether or not a message has been defined.
    
    Returns:
    true if a message has been defined.
  - getMessage
```
String getMessage()
```
    Gets the results of an action or another message to be displayed as a string.
    
    Returns:
    a string.
  - setMessage
```
void setMessage(String msg)
```
    Sets the message for the request as a string.
    
    Parameters:
    msg - a string.
  - addMessage
```
void addMessage(String msg)
```
    Adds the string to message. If message has prior messages from other actions or screens, this method can be used to chain them.
    
    Parameters:
    msg - a string.
  - getMessageAsHTML
```
String getMessageAsHTML()
```
    Gets the results of an action or another message to be displayed as a string.
    
    Returns:
    a string.
  - unsetMessage
```
void unsetMessage()
```
    Unsets the message for the request.
  - getMessages
```
FormMessages getMessages()
```
    Gets a FormMessages object where all the messages to the user should be stored.
    
    Returns:
    a FormMessages.
  - setMessages
```
void setMessages(FormMessages msgs)
```
    Sets the FormMessages object for the request.
    
    Parameters:
    msgs - A FormMessages.
  - getTitle
```
String getTitle()
```
    Gets the title of the page.
    
    Returns:
    a string.
  - setTitle
```
void setTitle(String title)
```
    Sets the title of the page.
    
    Parameters:
    title - a string.
  - userExists
```
boolean userExists()
```
    Checks if a user exists in this session.
    
    Returns:
    true if a user exists in this session.
  - getUser
```
<T extends User> T getUser()
```
    Gets the user.
    
    Type Parameters:
    T - a type extending User
    
    Returns:
    a user.
  - setUser
```
<T extends User> void setUser(T user)
```
    Sets the user.
    
    Type Parameters:
    T - a type extending User
    Parameters:
    user - a user.
  - getUserFromSession
```
<T extends User> T getUserFromSession()
```
    Attempts to get the user from the session. If it does not exist, it returns null.
    
    Type Parameters:
    T - a type extending User
    
    Returns:
    a user.
  - removeUserFromSession
```
boolean removeUserFromSession()
```
    Allows one to invalidate the user in the default session.
    
    Returns:
    true if user was invalidated.
  - isOutSet
```
@Deprecated
boolean isOutSet()
```
    Deprecated. no replacement planned, response writer will not be cached
    
    Checks to see if out is set.
    
    Returns:
    true if out is set.
  - getOut
```
PrintWriter getOut()
                   throws IOException
```
    Gets the print writer. First time calling this will set the print writer via the response.
    
    Returns:
    a print writer.
    
    Throws:
    
    IOException - on failure getting the PrintWriter
  - declareDirectResponse
```
void declareDirectResponse()
```
    Declares that output will be direct to the response stream, even though getOut() may never be called. Useful for response mechanisms that may call res.getWriter() themselves (such as JSP.)
  - getLocale
```
Locale getLocale()
```
    Gets the locale. If it has not already been defined with setLocale(), then properties named "locale.default.lang" and "locale.default.country" are checked from the Resource Service and the corresponding locale is returned. If these properties are undefined, JVM's default locale is returned.
    
    Returns:
    the locale.
  - setLocale
```
void setLocale(Locale locale)
```
    Sets the locale.
    
    Parameters:
    locale - the new locale.
  - getCharSet
```
String getCharSet()
```
    Gets the charset. If it has not already been defined with setCharSet(), then a property named "locale.default.charset" is checked from the Resource Service and returned. If this property is undefined, the default charset of the locale is returned. If the locale is undefined, null is returned.
    
    Returns:
    the name of the charset or null.
  - setCharSet
```
void setCharSet(String charset)
```
    Sets the charset.
    
    Parameters:
    charset - the name of the new charset.
  - getContentType
```
String getContentType()
```
    Gets the HTTP content type to return. If a charset has been specified, it is included in the content type. If the charset has not been specified and the main type of the content type is "text", the default charset is included. If the default charset is undefined, but the default locale is defined and it is not the US locale, a locale specific charset is included.
    
    Returns:
    the content type or an empty string.
  - setContentType
```
void setContentType(String ct)
```
    Sets the HTTP content type to return.
    
    Parameters:
    ct - the new content type.
  - getRedirectURI
```
String getRedirectURI()
```
    Gets the redirect URI. If this is set, also make sure to set the status code to 302.
    
    Returns:
    a string, "" if null.
  - setRedirectURI
```
void setRedirectURI(String ruri)
```
    Sets the redirect uri. If this is set, also make sure to set the status code to 302.
    
    Parameters:
    ruri - a string.
  - getStatusCode
```
int getStatusCode()
```
    Gets the HTTP status code to return.
    
    Returns:
    the status.
  - setStatusCode
```
void setStatusCode(int sc)
```
    Sets the HTTP status code to return.
    
    Parameters:
    sc - the status.
  - getSystemErrors
```
SystemError[] getSystemErrors()
```
    Gets an array of system errors.
    
    Returns:
    a SystemError[].
  - setSystemError
```
void setSystemError(SystemError err)
```
    Adds a critical system error.
    
    Parameters:
    err - a system error.
  - getJNDIContexts
```
Map<String,Context> getJNDIContexts()
```
    Gets JNDI Contexts.
    
    Returns:
    a hashtable.
  - setJNDIContexts
```
void setJNDIContexts(Map<String,Context> contexts)
```
    Sets JNDI Contexts.
    
    Parameters:
    contexts - a hashtable.
  - getServerScheme
```
String getServerScheme()
```
    Gets the cached server scheme.
    
    Returns:
    a string.
  - getServerName
```
String getServerName()
```
    Gets the cached server name.
    
    Returns:
    a string.
  - getServerPort
```
int getServerPort()
```
    Gets the cached server port.
    
    Returns:
    an int.
  - getContextPath
```
String getContextPath()
```
    Gets the cached context path.
    
    Returns:
    a string.
  - getScriptName
```
String getScriptName()
```
    Gets the cached script name.
    
    Returns:
    a string.
  - getServerData
```
ServerData getServerData()
```
    Gets the server data used by the request.
    
    Returns:
    server data.
  - getRemoteAddr
```
String getRemoteAddr()
```
    Gets the IP address of the client that sent the request.
    
    Returns:
    a string.
  - getRemoteHost
```
String getRemoteHost()
```
    Gets the qualified name of the client that sent the request.
    
    Returns:
    a string.
  - getUserAgent
```
String getUserAgent()
```
    Get the user agent for the request.
    
    Returns:
    a string.
  - populate
```
void populate()
```
    Pulls a user object from the session and increments the access counter and sets the last access date for the object.
  - save
```
void save()
```
    Saves a user object into the session.
  - getStackTrace
```
String getStackTrace()
```
    Gets the stack trace if set.
    
    Returns:
    the stack trace.
  - getStackTraceException
```
Throwable getStackTraceException()
```
    Gets the stack trace exception if set.
    
    Returns:
    the stack exception.
  - setStackTrace
```
void setStackTrace(String trace,
                 Throwable exp)
```
    Sets the stack trace.
    
    Parameters:
    trace - the stack trace.
    exp - the exception.
  - setDebugVariable
```
void setDebugVariable(String name,
                    Object value)
```
    Sets a name/value pair in an internal Map that is accessible from the Error screen. This is a good way to get debugging information when an exception is thrown.
    
    Parameters:
    name - name of the variable
    value - value of the variable.
  - getDebugVariables
```
Map<String,Object> getDebugVariables()
```
    Gets a Map of debug variables.
    
    Returns:
    a Map of debug variables.

Interface RunData

Method Summary

Methods inherited from interface org.apache.turbine.pipeline.PipelineData

Method Detail

getParameters

getCookies

getRequest

getResponse

getSession

getServletConfig

getServletContext

getACL

setACL

hasAction

getAction

setAction

getLayout

setLayout

getLayoutTemplate

setLayoutTemplate

hasScreen

getScreen

setScreen

getScreenTemplate

setScreenTemplate

getTemplateEncoding

setTemplateEncoding

getTemplateInfo

hasMessage

getMessage

setMessage

addMessage

getMessageAsHTML

unsetMessage

getMessages

setMessages

getTitle

setTitle

userExists

getUser

setUser

getUserFromSession

removeUserFromSession

isOutSet

getOut

declareDirectResponse

getLocale

setLocale

getCharSet

setCharSet

getContentType

setContentType

getRedirectURI

setRedirectURI

getStatusCode

setStatusCode

getSystemErrors

setSystemError

getJNDIContexts

setJNDIContexts

getServerScheme

getServerName

getServerPort

getContextPath

getScriptName

getServerData

getRemoteAddr

getRemoteHost

getUserAgent

populate

save

getStackTrace

getStackTraceException

setStackTrace

setDebugVariable

getDebugVariables