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javax.portlet (Java Portlet Specification V2.0 1.0 API)
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<H2>
Package javax.portlet
</H2>
The javax.portlet package defines the API for Java Portlet Specification V2.0.
<P>
<B>See:</B>
<BR>
<A HREF="#package_description"><B>Description</B></A>
<P>
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<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Interface Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/ActionRequest.html" title="interface in javax.portlet">ActionRequest</A></B></TD>
<TD>The <CODE>ActionRequest</CODE> represents the request sent to the portlet
to handle an action.<br>
It extends the ClientDataRequest interface and provides action request
information to portlets.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/ActionResponse.html" title="interface in javax.portlet">ActionResponse</A></B></TD>
<TD>The <CODE>ActionResponse</CODE> interface represents the portlet
response to an action request.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/BaseURL.html" title="interface in javax.portlet">BaseURL</A></B></TD>
<TD>The <CODE>BaseURL</CODE> defines the basic capabilities
of a portlet URL pointing back to the portlet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/CacheControl.html" title="interface in javax.portlet">CacheControl</A></B></TD>
<TD>The <code>CacheControl</code> interface represents cache settings
for a piece of markup.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/ClientDataRequest.html" title="interface in javax.portlet">ClientDataRequest</A></B></TD>
<TD>The <CODE>ClientDataRequest</CODE> represents the request information
of the HTTP request issued from the client to the portal.<BR>
It extends the PortletRequest interface.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/Event.html" title="interface in javax.portlet">Event</A></B></TD>
<TD>The <code>Event</code> interface represents an event that the portlet has received
in the event processing phase.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/EventPortlet.html" title="interface in javax.portlet">EventPortlet</A></B></TD>
<TD>The <code>EventPortlet</code> interface allows
portlets receiving events.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/EventRequest.html" title="interface in javax.portlet">EventRequest</A></B></TD>
<TD>The <CODE>EventRequest</CODE> represents the request sent to the portlet
to handle an event.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/EventResponse.html" title="interface in javax.portlet">EventResponse</A></B></TD>
<TD>The <CODE>EventResponse</CODE> interface represents the portlet
response to an event request.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/MimeResponse.html" title="interface in javax.portlet">MimeResponse</A></B></TD>
<TD>The <CODE>MimeResponse</CODE> defines the base interface to assist a
portlet in returning MIME content.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortalContext.html" title="interface in javax.portlet">PortalContext</A></B></TD>
<TD>The <CODE>PortalContext</CODE> interface gives the portlet
the ability to retrieve information about the portal calling this portlet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/Portlet.html" title="interface in javax.portlet">Portlet</A></B></TD>
<TD>The <CODE>Portlet</CODE> interface is used by the portlet container to
invoke the portlets.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletConfig.html" title="interface in javax.portlet">PortletConfig</A></B></TD>
<TD>The <CODE>PortletConfig</CODE> interface provides the portlet with
its configuration.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletContext.html" title="interface in javax.portlet">PortletContext</A></B></TD>
<TD>The <CODE>PortletContext</CODE> interface defines a portlet view
of the portlet container.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletPreferences.html" title="interface in javax.portlet">PortletPreferences</A></B></TD>
<TD>The <CODE>PortletPreferences</CODE> interface allows the portlet to store
configuration data.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletRequest.html" title="interface in javax.portlet">PortletRequest</A></B></TD>
<TD>The <CODE>PortletRequest</CODE> defines the base interface to provide client
request information to a portlet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletRequestDispatcher.html" title="interface in javax.portlet">PortletRequestDispatcher</A></B></TD>
<TD>The <code>PortletRequestDispatcher</code> interface defines an object that
receives requests from the client and sends them to the specified resources
(such as a servlet, HTML file, or JSP file) on the server.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletResponse.html" title="interface in javax.portlet">PortletResponse</A></B></TD>
<TD>The <CODE>PortletResponse</CODE> defines the base interface to assist a
portlet in creating and sending a response to the client.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletSession.html" title="interface in javax.portlet">PortletSession</A></B></TD>
<TD>The <CODE>PortletSession</CODE> interface provides a way to identify a user
across more than one request and to store transient information about that user.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletURL.html" title="interface in javax.portlet">PortletURL</A></B></TD>
<TD>The <CODE>PortletURL</CODE> interface represents a URL
that reference the portlet itself.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletURLGenerationListener.html" title="interface in javax.portlet">PortletURLGenerationListener</A></B></TD>
<TD>Portlet applications can register portlet URL listeners in order to filter URLs
before they get generated.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PreferencesValidator.html" title="interface in javax.portlet">PreferencesValidator</A></B></TD>
<TD>The <CODE>PreferencesValidator</CODE> allows to validate the set of
preferences of the associated portlet just before they are
stored in the persistent store.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/RenderRequest.html" title="interface in javax.portlet">RenderRequest</A></B></TD>
<TD>The <CODE>RenderRequest</CODE> represents the request sent to the portlet
to handle a render.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/RenderResponse.html" title="interface in javax.portlet">RenderResponse</A></B></TD>
<TD>The <CODE>RenderResponse</CODE> defines an object to assist a portlet in
sending a response to the portal.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/ResourceRequest.html" title="interface in javax.portlet">ResourceRequest</A></B></TD>
<TD>The <code>ResourceRequest</code> interface represents the request
send to the portlet for rendering resources.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/ResourceResponse.html" title="interface in javax.portlet">ResourceResponse</A></B></TD>
<TD>The <CODE>ResourceResponse</CODE> defines an object to assist a portlet
for rendering a resource.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/ResourceServingPortlet.html" title="interface in javax.portlet">ResourceServingPortlet</A></B></TD>
<TD>The <code>ResourceServingPortlet</code> interface allows
serving resources through the portlet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/ResourceURL.html" title="interface in javax.portlet">ResourceURL</A></B></TD>
<TD>The <CODE>ResourceURL</CODE> defines a resource URL that when clicked will
result in a <code>serveResource</code> call of the
<code>ResourceServingPortlet</code> interface.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/StateAwareResponse.html" title="interface in javax.portlet">StateAwareResponse</A></B></TD>
<TD>The <CODE>StateAwareResponse</CODE> represents a response that can modify
state information or send events.<BR>
It extends the PortletResponse interface.</TD>
</TR>
</TABLE>
<P>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Class Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/GenericPortlet.html" title="class in javax.portlet">GenericPortlet</A></B></TD>
<TD>The <CODE>GenericPortlet</CODE> class provides a default implementation for
the <CODE>Portlet</CODE> interface.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletMode.html" title="class in javax.portlet">PortletMode</A></B></TD>
<TD>The <CODE>PortletMode</CODE> class represents
the possible modes that a portlet can assume.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletSessionUtil.html" title="class in javax.portlet">PortletSessionUtil</A></B></TD>
<TD>The <CODE>PortletSessionUtil</CODE> class helps identify and decode
attributes in the <CODE>PORTLET_SCOPE</CODE> scope of the PortletSession
when accessed through the HttpSession an from within calls to methods
of the HttpSessionBindingListener interface.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/WindowState.html" title="class in javax.portlet">WindowState</A></B></TD>
<TD>The <CODE>WindowState</CODE> class represents
the possible window states that a portlet window can assume.</TD>
</TR>
</TABLE>
<P>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Enum Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletRequest.P3PUserInfos.html" title="enum in javax.portlet">PortletRequest.P3PUserInfos</A></B></TD>
<TD>P3P user information constants.</TD>
</TR>
</TABLE>
<P>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Exception Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletException.html" title="class in javax.portlet">PortletException</A></B></TD>
<TD>The <CODE>PortletException</CODE> class defines a general exception
that a portlet can throw when it is unable to perform its operation
successfully.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletModeException.html" title="class in javax.portlet">PortletModeException</A></B></TD>
<TD>The <CODE>PortletModeException</CODE> is thrown when a portlet
tries to use or set a portlet mode that is not supported by the current
runtime environment or the portlet.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/PortletSecurityException.html" title="class in javax.portlet">PortletSecurityException</A></B></TD>
<TD>A portlet should throw a <CODE>PortletSecurityException</CODE>
when a call fails because of security reasons.<br>
Additionally it can be thrown by the portal/portlet-container.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/ReadOnlyException.html" title="class in javax.portlet">ReadOnlyException</A></B></TD>
<TD>The <CODE>ReadOnlyException</CODE> is thrown when a portlet tries
to change the value for a read-only preference attribute.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/UnavailableException.html" title="class in javax.portlet">UnavailableException</A></B></TD>
<TD>The portlet should throw the <CODE>UnavailableException</CODE> when
the portlet is either temporarily or permanently unavailable to handle requests.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/ValidatorException.html" title="class in javax.portlet">ValidatorException</A></B></TD>
<TD>The <CODE>ValidatorException</CODE> is thrown by the
<CODE>validate</CODE> method of a PreferencesValidator when
the validation of a preference failed.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/WindowStateException.html" title="class in javax.portlet">WindowStateException</A></B></TD>
<TD>The <CODE>WindowStateException</CODE> is thrown when a portlet
tries to use a window state that is not supported by the current
runtime environment or the portlet.</TD>
</TR>
</TABLE>
<P>
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<TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor">
<TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">
<B>Annotation Types Summary</B></FONT></TH>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/ProcessAction.html" title="annotation in javax.portlet">ProcessAction</A></B></TD>
<TD>Annotation for marking a method for processing
a specific action.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/ProcessEvent.html" title="annotation in javax.portlet">ProcessEvent</A></B></TD>
<TD>Annotation for marking a method for handling
a specific event.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../javax/portlet/RenderMode.html" title="annotation in javax.portlet">RenderMode</A></B></TD>
<TD>Annotation for marking a method for handling
a specific portlet mode in the render phase.</TD>
</TR>
</TABLE>
<P>
<A NAME="package_description"><!-- --></A><H2>
Package javax.portlet Description
</H2>
<P>
The javax.portlet package defines the API for Java Portlet Specification V2.0.
<p>
A portlet is a Java technology based web component, managed by a portlet container,
that processes requests and generates dynamic content. Portlets provide a presentation
layer to Information Systems.
<p>
Portlets generate fragments of markup (e.g. HTML, XHTML, WML). A portal combines markup
fragments generated by different portlets into a portal page.
<p>
A portlet container manages the lifecyle of portlets. It also provides the required runtime environment.
<p>
Portlets are bundled in Portlet Applications as web applications using the WAR file format.
A portlet application consists of two deployment descriptors: one to specify
the web application resources (web.xml) and one to specify the portlet resources
(portlet.xml). The portlet.xml must follow the schema defined by the
http://java.sun.com/xml/ns/portlet/portlet-app_2_0.xsd namespace.
<p>
<P>
<P>
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