PortletMode - JBOSS Portal 2.2 API 英文版文档

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javax.portlet
Class PortletMode

java.lang.Object
  javax.portlet.PortletMode

public class PortletMode
extends java.lang.Object

The PortletMode class represents the possible modes that a portlet can assume.

A portlet mode indicates the function a portlet is performing. Normally, portlets perform different tasks and create different content depending on the function they are currently performing. When invoking a portlet, the portlet container provides the current portlet mode to the portlet.

Portlets can programmatically change their portlet mode when processing an action request.

This class defines the default portlet modes EDIT, HELP, VIEW. Additional portlet modes may be defined by calling the constructor of this class. If a portal/portlet-container does not support a custom portlet mode defined in the portlet application deployment descriptor, the custom portlet mode will be ignored by the portal/portlet container.

Field Summary

static PortletMode EDIT
          Within the EDIT portlet mode, a portlet should provide content and logic that lets a user customize the behavior of the portlet.

static PortletMode HELP
          When in HELP portlet mode, a portlet should provide help information about the portlet.

static PortletMode VIEW
          The expected functionality for a portlet in VIEW portlet mode is to generate markup reflecting the current state of the portlet.

Constructor Summary

PortletMode(java.lang.String name)
          Creates a new portlet mode with the given name.

Method Summary

boolean equals(java.lang.Object o)
          Compares the specified object with this portlet mode for equality.

int hashCode()
          Returns the hash code value for this portlet mode.

java.lang.String toString()
          Returns a String representation of this portlet mode.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

EDIT

public static final PortletMode EDIT

Within the EDIT portlet mode, a portlet should provide content and logic that lets a user customize the behavior of the portlet. The EDIT portlet mode may include one or more screens among which users can navigate to enter their customization data.

Typically, portlets in EDIT portlet mode will set or update portlet preferences.

This mode is optional.

The string value for this mode is "edit".

HELP

public static final PortletMode HELP

When in HELP portlet mode, a portlet should provide help information about the portlet. This help information could be a simple help screen explaining the entire portlet in coherent text or it could be context-sensitive help.

This mode is optional.

The string value for this mode is "help".

VIEW

public static final PortletMode VIEW

The expected functionality for a portlet in VIEW portlet mode is to generate markup reflecting the current state of the portlet. For example, the VIEW portlet mode of a portlet may include one or more screens that the user can navigate and interact with, or it may consist of static content that does not require any user interaction.

This mode must be supported by the portlet.

The string value for this mode is "view".

Constructor Detail

PortletMode

public PortletMode(java.lang.String name)

Creates a new portlet mode with the given name.

Upper case letters in the name are converted to lower case letters.

Parameters:

name - The name of the portlet mode

Method Detail

equals

public boolean equals(java.lang.Object o)

Compares the specified object with this portlet mode for equality. Returns true if the Strings equals method for the String representing the two portlet modes returns true.

Parameters:: o - portlet mode to compare this portlet mode with
Returns:: true, if the specified object is equal with this portlet mode

hashCode

public int hashCode()

Returns the hash code value for this portlet mode. The hash code is constructed by producing the hash value of the String value of this mode.

Returns:: hash code value for this portlet mode

toString

public java.lang.String toString()

Returns a String representation of this portlet mode. Portlet mode names are always lower case names.

Returns:: String representation of this portlet mode