PortalContext - JBOSS Portal 2.4 API 英文版文档

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javax.portlet
Interface PortalContext

All Known Implementing Classes:: PortalContextImpl

public interface PortalContext

The PortalContext interface gives the portlet the ability to retrieve information about the portal calling this portlet.

The portlet can only read the PortalContext data.

Method Summary

java.lang.String getPortalInfo()
          Returns information about the portal like vendor, version, etc.

java.lang.String getProperty(java.lang.String name)
          Returns the portal property with the given name, or a null if there is no property by that name.

java.util.Enumeration getPropertyNames()
          Returns all portal property names, or an empty Enumeration if there are no property names.

java.util.Enumeration getSupportedPortletModes()
          Returns all supported portlet modes by the portal as an enumertation of PorltetMode objects.

java.util.Enumeration getSupportedWindowStates()
          Returns all supported window states by the portal as an enumertation of WindowState objects.

Method Detail

getPortalInfo

public java.lang.String getPortalInfo()

Returns information about the portal like vendor, version, etc.

The form of the returned string is servername/versionnumber. For example, the reference implementation Pluto may return the string Pluto/1.0.

The portlet container may return other optional information after the primary string in parentheses, for example, Pluto/1.0 (JDK 1.3.1; Windows NT 4.0 x86).

Returns:: a String containing at least the portal name and version number

getProperty

public java.lang.String getProperty(java.lang.String name)

Returns the portal property with the given name, or a null if there is no property by that name.

Parameters:: name - property name
Returns:: portal property with key name
Throws:: java.lang.IllegalArgumentException - if name is null.

getPropertyNames

public java.util.Enumeration getPropertyNames()

Returns all portal property names, or an empty Enumeration if there are no property names.

Returns:: All portal property names as an Enumeration of String objects

getSupportedPortletModes

public java.util.Enumeration getSupportedPortletModes()

Returns all supported portlet modes by the portal as an enumertation of PorltetMode objects.

The portlet modes must at least include the standard portlet modes EDIT, HELP, VIEW.

Returns:: All supported portal modes by the portal as an enumertation of PorltetMode objects.

getSupportedWindowStates

public java.util.Enumeration getSupportedWindowStates()

Returns all supported window states by the portal as an enumertation of WindowState objects.

The window states must at least include the standard window states MINIMIZED, NORMAL, MAXIMIZED.

Returns:: All supported window states by the portal as an enumertation of WindowState objects.