org.codehaus.groovy.grails.web.pages
Class GroovyPage

java.lang.Object
  groovy.lang.GroovyObjectSupport
      groovy.lang.Script
          org.codehaus.groovy.grails.web.pages.GroovyPage

All Implemented Interfaces:

groovy.lang.GroovyObject

public abstract class GroovyPage
extends groovy.lang.Script

NOTE: Based on work done by on the GSP standalone project (https://gsp.dev.java.net/) Base class for a GroovyPage (at the moment there is nothing in here but could be useful for providing utility methods etc.

Author:

Troy Heninger, Graeme Rocher Date: Jan 10, 2004

Field Summary

static String	ACTION_NAME
static String	APPLICATION_CONTEXT
static String	ATTRIBUTES
static String	CONTROLLER_NAME
static String	DEFAULT_NAMESPACE
static String	EXTENSION
static String	FLASH
static String	OUT
static String	PAGE_SCOPE
static String	PARAMS
static String	PLUGIN_CONTEXT_PATH
static String	REQUEST
static Collection<String>	RESERVED_NAMES
static String	RESPONSE
static String	SERVLET_CONTEXT
static String	SESSION
static String	SUFFIX
static String	TEMPLATE_NAMESPACE
static String	WEB_REQUEST

Constructor Summary

GroovyPage()

Method Summary

static String	captureTagOutput(groovy.lang.GroovyObject tagLib, String methodName, Map attrs, Object body, GrailsWebRequest webRequest)
Object	evaluate(String exprText, int lineNumber, Object outerIt, groovy.lang.Closure evaluator) In the development environment this method is used to evaluate expressions and improve error reporting
abstract String	getGroovyPageFileName()
Object	getProperty(String property)
(package private) TagLibraryResolver	getTagLibraryResolver() Obtains a reference to the JSP tag library resolver instance
Object	invokeMethod(String methodName, Object args) Allows invoking of taglibs as method calls with simple bodies.
void	invokeTag(String tagName, Map attrs, groovy.lang.Closure body) Attempts to invokes a dynamic tag
void	invokeTag(String tagName, String tagNamespace, int lineNumber, Map attrs, groovy.lang.Closure body)
void	invokeTag(String tagName, String tagNamespace, Map attrs, groovy.lang.Closure body) Attempts to invokes a dynamic tag
static boolean	isReservedName(String name) Return whether the given name cannot be used within the binding of a GSP
void	setGspTagLibraryLookup(TagLibraryLookup gspTagLibraryLookup) Sets the GSP tag library lookup class
void	setJspTagLibraryResolver(TagLibraryResolver jspTagLibraryResolver) Sets the JSP tag library resolver to use to resolve JSP tags
void	setJspTags(Map jspTags) Sets the JSP tags used by this GroovyPage instance

Methods inherited from class groovy.lang.Script

evaluate, evaluate, getBinding, print, println, println, run, run, setBinding, setProperty

Methods inherited from class groovy.lang.GroovyObjectSupport

getMetaClass, setMetaClass

Methods inherited from class java.lang.Object

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

Field Detail

REQUEST

public static final String REQUEST

See Also:

Constant Field Values

SERVLET_CONTEXT

public static final String SERVLET_CONTEXT

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Constant Field Values

RESPONSE

public static final String RESPONSE

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Constant Field Values

OUT

public static final String OUT

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Constant Field Values

ATTRIBUTES

public static final String ATTRIBUTES

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Constant Field Values

APPLICATION_CONTEXT

public static final String APPLICATION_CONTEXT

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Constant Field Values

SESSION

public static final String SESSION

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Constant Field Values

PARAMS

public static final String PARAMS

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Constant Field Values

FLASH

public static final String FLASH

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Constant Field Values

PLUGIN_CONTEXT_PATH

public static final String PLUGIN_CONTEXT_PATH

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Constant Field Values

EXTENSION

public static final String EXTENSION

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Constant Field Values

WEB_REQUEST

public static final String WEB_REQUEST

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Constant Field Values

DEFAULT_NAMESPACE

public static final String DEFAULT_NAMESPACE

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Constant Field Values

TEMPLATE_NAMESPACE

public static final String TEMPLATE_NAMESPACE

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Constant Field Values

PAGE_SCOPE

public static final String PAGE_SCOPE

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Constant Field Values

CONTROLLER_NAME

public static final String CONTROLLER_NAME

See Also:

Constant Field Values

SUFFIX

public static final String SUFFIX

See Also:

Constant Field Values

ACTION_NAME

public static final String ACTION_NAME

See Also:

Constant Field Values

RESERVED_NAMES

public static final Collection<String> RESERVED_NAMES

Constructor Detail

GroovyPage

public GroovyPage()

Method Detail

setJspTagLibraryResolver

public void setJspTagLibraryResolver(TagLibraryResolver jspTagLibraryResolver)

Sets the JSP tag library resolver to use to resolve JSP tags

Parameters:

jspTagLibraryResolver - The JSP tag resolve

setGspTagLibraryLookup

public void setGspTagLibraryLookup(TagLibraryLookup gspTagLibraryLookup)

Sets the GSP tag library lookup class

Parameters:

gspTagLibraryLookup - The class used to lookup a GSP tag library

getTagLibraryResolver

TagLibraryResolver getTagLibraryResolver()

Obtains a reference to the JSP tag library resolver instance

Returns:

The JSP TagLibraryResolver instance

evaluate

public Object evaluate(String exprText,
                       int lineNumber,
                       Object outerIt,
                       groovy.lang.Closure evaluator)

In the development environment this method is used to evaluate expressions and improve error reporting

Parameters:

exprText - The expression text

lineNumber - The line number

outerIt - The other reference to the variable 'it'

evaluator - The expression evaluator

Returns:

The result

getGroovyPageFileName

public abstract String getGroovyPageFileName()

getProperty

public Object getProperty(String property)

Specified by:

getProperty in interface groovy.lang.GroovyObject

Overrides:

getProperty in class groovy.lang.Script

invokeTag

public void invokeTag(String tagName,
                      Map attrs,
                      groovy.lang.Closure body)

Attempts to invokes a dynamic tag

Parameters:

tagName - The name of the tag

attrs - The tags attributes

body - The body of the tag as a closure

invokeTag

public void invokeTag(String tagName,
                      String tagNamespace,
                      Map attrs,
                      groovy.lang.Closure body)

Attempts to invokes a dynamic tag

Parameters:

tagName - The name of the tag

tagNamespace - The taglib's namespace

attrs - The tags attributes

body - The body of the tag as a closure

invokeTag

public void invokeTag(String tagName,
                      String tagNamespace,
                      int lineNumber,
                      Map attrs,
                      groovy.lang.Closure body)

invokeMethod

public Object invokeMethod(String methodName,
                           Object args)

Allows invoking of taglibs as method calls with simple bodies. The bodies should only contain text

Specified by:

invokeMethod in interface groovy.lang.GroovyObject

Overrides:

invokeMethod in class groovy.lang.Script

Parameters:

methodName - The methodName of the tag to call or the methodName of a method on GroovPage

args - The Arguments

Returns:

The result of the invocation

captureTagOutput

public static String captureTagOutput(groovy.lang.GroovyObject tagLib,
                                      String methodName,
                                      Map attrs,
                                      Object body,
                                      GrailsWebRequest webRequest)

isReservedName

public static boolean isReservedName(String name)

Return whether the given name cannot be used within the binding of a GSP

Parameters:

name - True if it can't

Returns:

A boolean true or false

setJspTags

public void setJspTags(Map jspTags)

Sets the JSP tags used by this GroovyPage instance

Parameters:

jspTags - The JSP tags used