org.zkoss.web.servlet.dsp

Interface DspContext

All Superinterfaces:

RequestContext

All Known Implementing Classes:

ExtendletDspContext, ServletDspContext

public interface DspContext
extends RequestContext

The context used with Interpreter.interpret(org.zkoss.web.servlet.dsp.DspContext, java.lang.String, java.lang.String, org.zkoss.xel.XelContext).

Author:

tomyeh

See Also:

Interpreter

Method Summary

Modifier and Type	Method and Description
java.lang.String	encodeURL(java.lang.String uri) Returns the encoded URL.
Locator	getLocator() Returns the locator for loading resources, such as taglib.
void	include(java.lang.String uri, java.util.Map params) Includes the specified URI and render the result to the specified output.
boolean	isIncluded() Returns whether this page is included.
void	setContentType(java.lang.String ctype) Sets the content type of the output.
void	setOut(java.io.Writer out) Changes the writer of this context to the specified one.

Methods inherited from interface org.zkoss.web.servlet.xel.RequestContext

getOut, getRequest, getResponse, getServletContext, getVariableResolver

Method Detail

getLocator

Locator getLocator()

Returns the locator for loading resources, such as taglib. You might return null if the page not referencing external resources.

To load the resource from a web application, use ServletContextLocator To load the resource from class path, use org.zkoss.util.resource.Resources.getDefault().

setContentType

void setContentType(java.lang.String ctype)

Sets the content type of the output.

encodeURL

java.lang.String encodeURL(java.lang.String uri)
                    throws javax.servlet.ServletException,
                           java.io.IOException

Returns the encoded URL. The returned URL is also encoded with HttpServletResponse.encodeURL.

Parameters:

uri - it must be empty or starts with "/". It might contain "*" for current browser code and Locale.

Returns:

the complete URL (excluding the machine name). It includes the context path and the servlet to interpret this extended resource.

Throws:

javax.servlet.ServletException

java.io.IOException

Since:

3.5.2

include

void include(java.lang.String uri,
             java.util.Map params)
      throws javax.servlet.ServletException,
             java.io.IOException

Includes the specified URI and render the result to the specified output.

Parameters:

uri - the URI to include. It is OK to relevant (without leading '/'). If starts with "/", the context path of request is assumed. To reference to foreign context, use "~ctx/" where ctx is the context path of the foreign context (without leading '/').

params - a map of parameters, or null to ignore. The map is passed thru the request attribute called arg.

Throws:

javax.servlet.ServletException

java.io.IOException

Since:

3.5.2

isIncluded

boolean isIncluded()

Returns whether this page is included.

Since:

3.5.2

setOut

void setOut(java.io.Writer out)

Changes the writer of this context to the specified one.

Parameters:

out - the new writer. If null, it is restored to the default one.