javax.portlet.faces.Bridge Maven / Gradle / Ivy
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package javax.portlet.faces;
import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.PortletException;
import javax.portlet.RenderRequest;
import javax.portlet.RenderResponse;
public interface Bridge {
// Base Bridge attribute/context parameter prefix
public static final String BRIDGE_PACKAGE_PREFIX = "javax.portlet.faces.";
// Following are the names of context init parameters that control
// Bridge behavior. These are specified in the web.xml
public static final String MAX_MANAGED_REQUEST_SCOPES =
BRIDGE_PACKAGE_PREFIX + "MAX_MANAGED_REQUEST_SCOPES";
/**
* Context initialization parameter that defines the SAVESTATE_FIELD_MARKER
* in use in the given deployment. If not set, the Bridge will detect and run
* properly in either the Faces RI or MyFaces environments.
*/
public static final String SAVESTATE_FIELD_MARKER = BRIDGE_PACKAGE_PREFIX
+ "SAVESTATE_FIELD_MARKER";
public static final String LIFECYCLE_ID =
"javax.faces.LIFECYCLE_ID";
// Attribute signifying whether this render is a postback or not.
public static final String IS_POSTBACK_ATTRIBUTE =
BRIDGE_PACKAGE_PREFIX + "isPostback";
/**
* Special token parameter in the url passed to the bridge's ExternalContext.encodeActionURL()
* that it recognizes as an indication that this action should encode a PortletMode
* change to the one indicated by the parameter's value.
*/
public static final String PORTLET_MODE_PARAMETER = BRIDGE_PACKAGE_PREFIX + "PortletMode";
/**
* Special token parameter in the url passed to the bridge's ExternalContext.encodeActionURL()
* that it recognizes as an indication that this action should encode a WindowState change to
* the one indicated by the parameter's value.
*/
public static final String PORTLET_WINDOWSTATE_PARAMETER = BRIDGE_PACKAGE_PREFIX + "WindowState";
/**
* Special token parameter in the url passed to the bridge's ExternalContext.encodeActionURL()
* that it recognizes as an indication that this action should encode a security level change to
* the one indicated by the parameter's value.
*/
public static final String PORTLET_SECURE_PARAMETER = BRIDGE_PACKAGE_PREFIX + "Secure";
// Special session attribute name to hold the application_scope in the
// portlet_scope of the session so these are accessible as well.
public static final String APPLICATION_SCOPE_MAP = "javax.portlet.faces.ApplicationScopeMap";
// Following are the names of context attributes that a portletbridge can set prior
// to calling the bridge's init() method to control Bridge behavior.
// These attributes are scoped to a specific portletbridge in the context
// hence to acquire one must include the portletbridge name within attribute name:
// BRIDGE_PACKAGE_PREFIX + context.getPortletName() + attributeName
// if "true" indicates the bridge will preserve all the action params in its
// request scope and restore them as parameters in the subsequent renders
public static final String PRESERVE_ACTION_PARAMS = "preserveActionParams";
// allows a portletbridge to control render delgation. A value of "ALWAYS_DELEGATE" indicates
// the bridge doesn't render itself, it merely delegates. A value of "NEVER_DELEGATE"
// indicates the bridge never delegates, rather it always overrides and renders.
// A value of "DEFAULT" indicates the bridge will delegate first and only render
// if the delegatee throws an exception/throwable.
public static final String RENDER_POLICY = "renderPolicy";
// Parameter that can be added to an ActionURL to signify it is a direct link
// and hence shouldn't be encoded by encodeActionURL as an actionURL
public static final String DIRECT_LINK = BRIDGE_PACKAGE_PREFIX + "DirectLink";
// Session attribute pushed by bridge into session scope to give one access
// to Application scope
public static final String SESSION_APPLICATION_SCOPE_MAP = BRIDGE_PACKAGE_PREFIX
+ "ApplicationScopeMap";
/**
* Special token parameter in the url passed to the bridge's ExternalContext.encodeResourceURL()
* that it recognizes as an indication that an URL refering back to the page which
* contains this portlet should be encoded in the resource url. This reference is
* encoded as the value of a query string parameter whose name is the value of this back
* link token parameter.
*/
public static final String BACK_LINK = BRIDGE_PACKAGE_PREFIX + "BackLink";
/**
* Special token parameter in the url passed to the bridge's ExternalContext.encodeResourceURL()
* that it recognizes as an indication that this url refers to Faces view (navigation) and
* hence should be encoded as an portlet ActionURL rather then a portlet resource url. This token
* is intended for use in urls signifying a view navigation using components such as
* h:outputLink.
*/
public static final String VIEW_LINK = BRIDGE_PACKAGE_PREFIX + "ViewLink";
// Request attribute pushed by bridge in renderView to indicate it can
// handle a filter putting the AFTER_VIEW_CONTENT in a buffer on the request.
// Allows rendering order to be preserved in jsps
public static final String RENDER_CONTENT_AFTER_VIEW = BRIDGE_PACKAGE_PREFIX
+ "RenderContentAfterView";
// Request attribute set by servlet filter in request/responseWrapper to
// place the AFTER_VIEW_CONTENT in a buffer on the request.
// Allows filter to transfer such content back to the bridge/renderView so
// if can output in correct order. Should only be done if
// RENDER_CONTENT_AFTER_VIEW request attribute is true.
public static final String AFTER_VIEW_CONTENT = BRIDGE_PACKAGE_PREFIX
+ "AfterViewContent";
/** PortletContext attribute that a portlet must set prior
* to calling the bridge's init() method to convey to the bridge the set of default
* viewIds that correspond to this portlet's supported PortletModes.
* Its value is a Map with one entry per mode. The mode name is the key. The entry's
* value is the corresponding default viewId the bridge should use for this mode.
*
*
* As this attribute is scoped to a specific portlet in an application-wide context
* the attribute name must be include the portlet name as follows:
* BRIDGE_PACKAGE_PREFIX + context.getPortletName() + DEFAULT_VIEWID_MAP
*/
public static final String DEFAULT_VIEWID_MAP = "defaultViewIdMap";
/** PortletSession attribute set by the bridge to hold the last viewId accessed in a given mode.
* The attribute (key) is composed of this name + the mode name. I.e.
* javax.portlet.faces.viewIdHistory.view. There is one attribute per supported portlet
* mode. The attributes are always set even if the user session has never entered the
* mode. Its initial setting/value is determined by the default viewId configured
* for the mode. Attribute is used by developers to reference/return to the last view in
* a given Mode from another mode.
*/
public static final String VIEWID_HISTORY = BRIDGE_PACKAGE_PREFIX + "viewIdHistory";
// Following are the names of request attributes the Bridge must set before
// acquiring its first FacesContext/FacesContextFactory in each request
public static final String PORTLET_LIFECYCLE_PHASE = BRIDGE_PACKAGE_PREFIX + "phase";
public static final String PORTLET_NAMESPACED_RESPONSE_PROPERTY = "X-JAVAX-PORTLET-IS-NAMESPACED";
/**
* Name of the init parameter with maximum number of bridge request scopes
* maintained by the bridge. See JSR-301 PLT 3.2
*/
public static final String MAX_MANAGED_REQUEST_SCOPE_ATTR = "javax.portlet.faces.MAX_MANAGED_REQUEST_SCOPES";
/**
* Per-portlet attributes prefix, for additional parameters, as described in
* the JSR 301 PLT 3.2
*/
public static final String PORTLET_ATTR_PREFIX = "javax.portlet.faces.";
/**
* Per-portlet extensions attributes prefix ( this implementation-specific ),
* for additional parameters, as described in the JSR 301 PLT 3.2
*/
public static final String EXTENDED_PORTLET_ATTR_PREFIX = "javax.portlet.faces.extension.";
// allows a portletbridge to which request attributes the bridge excludes from its
// managed request scope.
public static final String EXCLUDED_REQUEST_ATTRIBUTES = "excludedRequestAttributes";
public static final String PRESERVE_ACTION_PARAM_ATTR_SUFFIX = ".preserveActionParams";
public static final String RENDER_POLICY_PARAM_ATTR_SUFFIX = ".renderPolicy";
/**
* Request-scope attribute name for the default request viewId . See JSR-301
* PLT 3.4
*/
public static final String DEFAULT_VIEW_ID_ATTR = "javax.portlet.faces.defaultViewId";
public static enum PortletPhase{
ActionPhase,
RenderPhase
}
public static enum BridgeRenderPolicy {
DEFAULT,
ALWAYS_DELEGATE,
NEVER_DELEGATE
}
/*
* (non-Javadoc)
*
* @see javax.portlet.GenericPortlet#init(javax.portlet.PortletConfig)
*/
public void init(PortletConfig config) throws BridgeException;
/*
* (non-Javadoc)
*
* @see javax.portlet.GenericPortlet#destroy()
*/
public void destroy();
/**
* @param request
* @param response
* @throws PortletException
*/
public void doFacesRequest(ActionRequest request, ActionResponse response)
throws BridgeException;
/**
* @param request
* @param response
* @throws PortletException
*/
public void doFacesRequest(RenderRequest request, RenderResponse response)
throws BridgeException;
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