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## org.codehaus.groovy.grails.web.pages
[Java] Class GroovyPagesTemplateEngine

    java.lang.Object
      groovy.text.TemplateEngine
          org.codehaus.groovy.grails.support.ResourceAwareTemplateEngine
              org.codehaus.groovy.grails.web.pages.GroovyPagesTemplateEngine

All Implemented Interfaces:
  org.springframework.context.ApplicationContextAware, org.springframework.web.context.ServletContextAware, org.springframework.beans.factory.InitializingBean

    public class GroovyPagesTemplateEngine
    extends ResourceAwareTemplateEngine

Based on (but not extending) the existing TemplateEngine implementations within Groovy. It allows GSP pages to be re-used in different context using code like the below: `Template t = new GroovyPagesTemplateEngine() .createTemplate(context,request,response); t.make() .writeTo(out);`

Authors:
  Graeme Rocher
  Lari Hotari

Since:
  0.1

Field Summary
`static java.lang.String` | `BEAN_ID`
`static java.lang.String` | `CONFIG_PROPERTY_DISABLE_CACHING_RESOURCES`
`static java.lang.String` | `CONFIG_PROPERTY_GSP_ENABLE_RELOAD`

Constructor Summary
`GroovyPagesTemplateEngine()`
`GroovyPagesTemplateEngine(javax.servlet.ServletContext servletContext)` @param servletContext The servlet context

Method Summary
`void` | `afterPropertiesSet()`
`protected GroovyPageMetaInfo` | `buildPageMetaInfo(java.io.InputStream inputStream, Resource res, java.lang.String pageName)`
`int[]` | `calculateLineNumbersForPage(javax.servlet.ServletContext context, java.lang.String url)` Retrieves a line number matrix for the specified page that can be used to retrieve the actual line number within the GSP page if the line number within the compiled GSP is known
`void` | `clearPageCache()` Clears the page cache.
`groovy.text.Template` | `createTemplate(Resource resource)` Creates a Template for the given Spring Resource instance
`groovy.text.Template` | `createTemplate(Resource resource, boolean cacheable)` Creates a Template for the given Spring Resource instance
`groovy.text.Template` | `createTemplate(java.lang.String uri)` Creates a Template using the given URI.
`groovy.text.Template` | `createTemplate(org.springframework.scripting.ScriptSource scriptSource)`
`groovy.text.Template` | `createTemplate(java.lang.String txt, java.lang.String pageName)` Creates a Template using the given text for the Template and the given name.
`groovy.text.Template` | `createTemplate()` Creates a Template for the currently executing Request
`groovy.text.Template` | `createTemplate(java.io.File file)`
`groovy.text.Template` | `createTemplate(java.net.URL url)`
`groovy.text.Template` | `createTemplate(java.io.InputStream inputStream)`
`protected groovy.text.Template` | `createTemplate(java.io.InputStream inputStream, Resource resource, java.lang.String pageName)` Constructs a Groovy Template from the given InputStream and Spring Resource object
`groovy.text.Template` | `createTemplateForUri(java.lang.String uri)`
`groovy.text.Template` | `createTemplateForUri(java.lang.String[] uris)`
`protected java.lang.String` | `establishPageName(Resource res, java.lang.String pageName)`
`GroovyPageScriptSource` | `findScriptSource(java.lang.String uri)`
`GroovyPageScriptSource` | `findScriptSource(java.lang.String[] uris)`
`protected java.lang.String` | `getCurrentRequestUri(javax.servlet.http.HttpServletRequest request)` Returns the path to the view of the relative URI within the Grails views directory
`java.util.Map` | `getDomainClassMap()`
`GroovyPageLocator` | `getGroovyPageLocator()`
`Resource` | `getResourceForUri(java.lang.String uri)`
`protected java.lang.String` | `getUriWithinGrailsViews(java.lang.String relativeUri)`
`boolean` | `isCacheResources()`
`boolean` | `isReloadEnabled()` Sets whether reloading is enabled
`void` | `setApplicationContext(org.springframework.context.ApplicationContext applicationContext)`
`void` | `setCacheResources(boolean cacheResources)`
`void` | `setClassLoader(java.lang.ClassLoader classLoader)` Sets the ClassLoader that the TemplateEngine should use to
`void` | `setGroovyPageLocator(GroovyPageLocator groovyPageLocator)`
`void` | `setJspTagLibraryResolver(TagLibraryResolver jspTagLibraryResolver)`
`void` | `setReloadEnabled(boolean b)` Attempts to retrieve a reference to a GSP as a Spring Resource instance for the given URI.
`void` | `setResourceLoader(ResourceLoader resourceLoader)`
`void` | `setServletContext(javax.servlet.ServletContext servletContext)`
`void` | `setTagLibraryLookup(TagLibraryLookup tagLibraryLookup)`

Methods inherited from class ResourceAwareTemplateEngine
createTemplate, createTemplate, createTemplate, createTemplate, createTemplate, createTemplate, createTemplate

Methods inherited from class groovy.text.TemplateEngine
groovy.text.TemplateEngine#createTemplate(java.io.Reader), groovy.text.TemplateEngine#createTemplate(java.lang.String), groovy.text.TemplateEngine#createTemplate(java.io.File), groovy.text.TemplateEngine#createTemplate(java.net.URL), groovy.text.TemplateEngine#wait(), groovy.text.TemplateEngine#wait(long), groovy.text.TemplateEngine#wait(long, int), groovy.text.TemplateEngine#equals(java.lang.Object), groovy.text.TemplateEngine#toString(), groovy.text.TemplateEngine#hashCode(), groovy.text.TemplateEngine#getClass(), groovy.text.TemplateEngine#notify(), groovy.text.TemplateEngine#notifyAll()

Field Detail

### BEAN_ID

    public static final java.lang.String BEAN_ID

### CONFIG_PROPERTY_DISABLE_CACHING_RESOURCES

    public static final java.lang.String CONFIG_PROPERTY_DISABLE_CACHING_RESOURCES

### CONFIG_PROPERTY_GSP_ENABLE_RELOAD

    public static final java.lang.String CONFIG_PROPERTY_GSP_ENABLE_RELOAD

Constructor Detail

### GroovyPagesTemplateEngine

    public GroovyPagesTemplateEngine()

### GroovyPagesTemplateEngine

    public GroovyPagesTemplateEngine(ServletContext servletContext) {
    public GroovyPagesTemplateEngine(javax.servlet.ServletContext servletContext)

  deprecated:
    here for compatibility
  Parameters:
    `servletContext` - The servlet context

Method Detail

### afterPropertiesSet

    public void afterPropertiesSet()

### buildPageMetaInfo

    protected GroovyPageMetaInfo buildPageMetaInfo(java.io.InputStream inputStream, Resource res, java.lang.String pageName)

### calculateLineNumbersForPage

    public int[] calculateLineNumbersForPage( javax.servlet.ServletContext context, java.lang.String url)

  Retrieves a line number matrix for the specified page that can be used to retrieve the actual line number within the GSP page if the line number within the compiled GSP is known
  Parameters:
    `context` - The ServletContext instance
    `url` - The URL of the page
  Returns:
    An array where the index is the line number witin the compiled GSP and the value is the line number within the source

### clearPageCache

    public void clearPageCache()

  Clears the page cache. Views will be re-compiled.

### createTemplate

    return createTemplate(resource, cacheResources);
    public groovy.text.Template createTemplate(Resource resource)

  Creates a Template for the given Spring Resource instance
  Parameters:
    `resource` - The Resource to create the Template for
  Returns:
    The Template instance

### createTemplate

    if (resource == null) {
    public groovy.text.Template createTemplate(Resource resource, boolean cacheable)

  Creates a Template for the given Spring Resource instance
  Parameters:
    `resource` - The Resource to create the Template for
    `cacheable` - The resource can be cached or not
  Returns:
    The Template instance

### createTemplate

    if (isReloadEnabled()) {
    public groovy.text.Template createTemplate(java.lang.String uri)

  Creates a Template using the given URI.
  throws:
    CompilationFailedException
  Parameters:
    `uri` - The URI of the page to create the template for
  Returns:
    The Template instance

### createTemplate

    public groovy.text.Template createTemplate(org.springframework.scripting.ScriptSource scriptSource)

### createTemplate

    public groovy.text.Template createTemplate(java.lang.String txt, java.lang.String pageName)

  Creates a Template using the given text for the Template and the given name. The name of the template is required
  throws:
    CompilationFailedException
  throws:
    IOException Thrown if an IO exception occurs creating the Template
  Parameters:
    `txt` - The URI of the page to create the template for
    `pageName` - The name of the page being parsed
  Returns:
    The Template instance

### createTemplate

    public groovy.text.Template createTemplate()

  Creates a Template for the currently executing Request
  throws:
    java.io.IOException Thrown when an exception occurs Reading the Template
  throws:
    ClassNotFoundException Thrown when the class of the template was not found
  Returns:
    The Template for the currently executing request

### createTemplate

    * @param url The URL to use to construct the template with
    public groovy.text.Template createTemplate(java.io.File file)

### createTemplate

    * @return The Template instance
    public groovy.text.Template createTemplate(java.net.URL url)

### createTemplate

    *
    public groovy.text.Template createTemplate(java.io.InputStream inputStream)

### createTemplate

    protected groovy.text.Template createTemplate(java.io.InputStream inputStream, Resource resource, java.lang.String pageName)

  Constructs a Groovy Template from the given InputStream and Spring Resource object
  Parameters:
    `inputStream` - The InputStream to use
    `resource` - The Resource to use
    `pageName` - The name of the page
  Returns:
    The Groovy Template

### createTemplateForUri

    public groovy.text.Template createTemplateForUri(java.lang.String uri)

### createTemplateForUri

    public groovy.text.Template createTemplateForUri(java.lang.String[] uris)

### establishPageName

    protected java.lang.String establishPageName(Resource res, java.lang.String pageName)

### findScriptSource

    public GroovyPageScriptSource findScriptSource(java.lang.String uri)

### findScriptSource

    public GroovyPageScriptSource findScriptSource(java.lang.String[] uris)

### getCurrentRequestUri

    protected java.lang.String getCurrentRequestUri(javax.servlet.http.HttpServletRequest request)

  Returns the path to the view of the relative URI within the Grails views directory
  Parameters:
    `relativeUri` - The relative URI
  Returns:
    The path of the URI within the Grails view directory

### getDomainClassMap

    public java.util.Map getDomainClassMap()

### getGroovyPageLocator

    public GroovyPageLocator getGroovyPageLocator()

### getResourceForUri

    public Resource getResourceForUri(java.lang.String uri)

### getUriWithinGrailsViews

    protected java.lang.String getUriWithinGrailsViews(java.lang.String relativeUri)

### isCacheResources

    public boolean isCacheResources()

### isReloadEnabled

    public boolean isReloadEnabled()

  Sets whether reloading is enabled
  Parameters:
    `b` - True if it is enabled

### setApplicationContext

    public void setApplicationContext(org.springframework.context.ApplicationContext applicationContext)

### setCacheResources

    public void setCacheResources(boolean cacheResources)

### setClassLoader

    public void setClassLoader(java.lang.ClassLoader classLoader)

  Sets the ClassLoader that the TemplateEngine should use to
  Parameters:
    `classLoader` - The ClassLoader to use when compilation of Groovy Pages occurs

### setGroovyPageLocator

    public void setGroovyPageLocator(GroovyPageLocator groovyPageLocator)

### setJspTagLibraryResolver

    public void setJspTagLibraryResolver(TagLibraryResolver jspTagLibraryResolver)

### setReloadEnabled

    public void setReloadEnabled(boolean b)

  Attempts to retrieve a reference to a GSP as a Spring Resource instance for the given URI.
  Parameters:
    `uri` - The URI to check
  Returns:
    A Resource instance

### setResourceLoader

    public void setResourceLoader(ResourceLoader resourceLoader)

### setServletContext

    public void setServletContext(javax.servlet.ServletContext servletContext)

### setTagLibraryLookup

    public void setTagLibraryLookup(TagLibraryLookup tagLibraryLookup)

Groovy Documentation