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java.lang.Objectorg.apache.turbine.modules.Assembler
org.apache.turbine.modules.Page
org.apache.turbine.modules.pages.DefaultPage
public class DefaultPage
When building sites using templates, Screens need only be defined for templates which require dynamic (database or object) data.
This page can be used on sites where the number of Screens can be much less than the number of templates. The templates can be grouped in directories with common layouts. Screen modules are then expected to be placed in packages corresponding with the templates' directories and follow a specific naming scheme.
The template parameter is parsed and and a Screen whose package matches the templates path and shares the same name minus any extension and beginning with a capital letter is searched for. If not found, a Screen in a package matching the template's path with name Default is searched for. If still not found, a Screen with name Default is looked for in packages corresponding to parent directories in the template's path until a match is found.
For example if data.getParameters().getString("template") returns /about_us/directions/driving.wm, the search follows about_us.directions.Driving, about_us.directions.Default, about_us.Default, Default, VelocitySiteScreen.
Only one Layout module is used, since it is expected that any dynamic content will be placed in navigations and screens. The layout template to be used is found in a similar way to the Screen. For example the following paths will be searched in the layouts subdirectory: /about_us/directions/driving.wm, /about_us/directions/default.wm, /about_us/default.wm, /default.wm.
This approach allows a site with largely static content to be updated and added to regularly by those with little Java experience.
The code is an almost a complete clone of the FreeMarkerSitePage written by John McNally. I've only modified it for Template use.
Field Summary | |
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protected ActionLoader |
actionLoader
|
protected LayoutLoader |
layoutLoader
|
protected org.apache.commons.logging.Log |
log
Logging |
protected ScreenLoader |
screenLoader
|
Fields inherited from class org.apache.turbine.modules.Page |
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CACHE_SIZE_DEFAULT, CACHE_SIZE_KEY, NAME, PREFIX |
Constructor Summary | |
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DefaultPage()
Default constructor |
Method Summary | |
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void |
doBuild(PipelineData pipelineData)
Builds the Page. |
void |
doBuild(RunData data)
Deprecated. Use PipelineData version instead |
protected void |
doBuildAfterAction(PipelineData pipelineData)
Can be overridden by template Pages to set up data needed to process a template. |
protected void |
doBuildAfterAction(RunData data)
Deprecated. Use PipelineData version instead |
protected void |
doBuildBeforeAction(PipelineData pipelineData)
Can be used by template Pages to stuff the Context into the RunData so that it is available to the Action module and the Screen module via getContext(). |
protected void |
doBuildBeforeAction(RunData data)
Deprecated. Use PipelineData version instead |
protected void |
doPostBuild(PipelineData pipelineData)
Can be overridden to perform actions when the request is fully processed. |
protected void |
doPostBuild(RunData data)
Deprecated. Use PipelineData version instead |
Methods inherited from class org.apache.turbine.modules.Page |
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build, build, getPrefix |
Methods inherited from class org.apache.turbine.modules.Assembler |
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getRunData |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected org.apache.commons.logging.Log log
protected ActionLoader actionLoader
protected ScreenLoader screenLoader
protected LayoutLoader layoutLoader
Constructor Detail |
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public DefaultPage()
Method Detail |
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@Deprecated public void doBuild(RunData data) throws Exception
doBuild
in class Page
data
- Turbine information.
Exception,
- a generic exception.
Exception
- a generic exception.public void doBuild(PipelineData pipelineData) throws Exception
doBuild
in class Page
data
- Turbine information.
Exception,
- a generic exception.
Exception
- a generic exception.@Deprecated protected void doBuildBeforeAction(RunData data) throws Exception
data
- Turbine information.
Exception,
- a generic exception.
Exception
@Deprecated protected void doBuildAfterAction(RunData data) throws Exception
data
- Turbine information.
Exception,
- a generic exception.
Exception
@Deprecated protected void doPostBuild(RunData data) throws Exception
data
- Turbine information.
Exception,
- a generic exception.
Exception
protected void doBuildBeforeAction(PipelineData pipelineData) throws Exception
data
- Turbine information.
Exception,
- a generic exception.
Exception
protected void doBuildAfterAction(PipelineData pipelineData) throws Exception
data
- Turbine information.
Exception,
- a generic exception.
Exception
protected void doPostBuild(PipelineData pipelineData) throws Exception
data
- Turbine information.
Exception,
- a generic exception.
Exception
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