com.googlecode.fascinator.portal.services.impl
Class VelocityServiceImpl

java.lang.Object
  com.googlecode.fascinator.portal.services.impl.VelocityServiceImpl

All Implemented Interfaces:

VelocityService

public class VelocityServiceImpl
extends Object
implements VelocityService

Velocity service implementation with skinning support.

Author:

Oliver Lucido

Constructor Summary

VelocityServiceImpl(PortalManager portalManager, DynamicPageCache pageCache)
Construct and configure the Velocity service.

Method Summary

InputStream	getResource(String resourcePath) Gets a Velocity resource.
InputStream	getResource(String portalId, String resourceName) Gets a Velocity resource.
void	renderTemplate(String portalId, String templateName, org.apache.velocity.context.Context context, Writer writer) Renders a Velocity template with the given context.
String	resourceExists(String portalId, String resourceName) Resolves the given resource to a valid Velocity resource if possible.

Methods inherited from class java.lang.Object

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

Constructor Detail

VelocityServiceImpl

public VelocityServiceImpl(PortalManager portalManager,
                           DynamicPageCache pageCache)

Construct and configure the Velocity service.

Parameters:

portalManager - PortalManager instance

pageCache - DynamicPageCache instance

Method Detail

getResource

public InputStream getResource(String resourcePath)

Gets a Velocity resource.

Specified by:

getResource in interface VelocityService

Parameters:

resourcePath - valid Velocity resource path

Returns:

resource stream or null if not found

getResource

public InputStream getResource(String portalId,
                               String resourceName)

Gets a Velocity resource. The resourcePath is resolved given the portalId and resourceName, as well as taking into account the skin priority.

Specified by:

getResource in interface VelocityService

Parameters:

portalId - the portal to get the resource from

resourceName - the resource to get

Returns:

resource stream or null if not found

resourceExists

public String resourceExists(String portalId,
                             String resourceName)

Resolves the given resource to a valid Velocity resource if possible.

Specified by:

resourceExists in interface VelocityService

Parameters:

portalId - the portal to get the resource from

resourceName - the resource to check

Returns:

a valid Velocity resource path or null if not found

renderTemplate

public void renderTemplate(String portalId,
                           String templateName,
                           org.apache.velocity.context.Context context,
                           Writer writer)
                    throws Exception

Renders a Velocity template with the given context.

Specified by:

renderTemplate in interface VelocityService

Parameters:

portalId - the portal to render the resource from

templateName - the template to render

context - the Velocity context to render

writer - a writer to output the render result to

Throws:

Exception - if an error occurred while rendering the template