er.attachment

Class ERAttachmentRequestHandler

java.lang.Object

com.webobjects.appserver.WORequestHandler

er.attachment.ERAttachmentRequestHandler

public class ERAttachmentRequestHandler
extends WORequestHandler

ERAttachmentRequestHandler is the request handler that is used for loading any proxied attachment. To control security, you can set the delegate of this request handler in your application constructor. By default, all proxied attachments are visible.

Author:

mschrag

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	ERAttachmentRequestHandler.Delegate The delegate definition for this request handler.

Field Summary

Fields

Modifier and Type	Field and Description
static String	REQUEST_HANDLER_KEY

Fields inherited from class com.webobjects.appserver.WORequestHandler

DidHandleRequestNotification

Constructor Summary

Constructors

Constructor and Description
ERAttachmentRequestHandler()

Method Summary

Modifier and Type	Method and Description
static ERAttachment	fetchAttachmentFor(EOEditingContext editingContext, Integer attachmentPrimaryKey, String requestedWebPath)
WOResponse	handleRequest(WORequest request)
static boolean	requestedWebPathIsForAttachment(String requestedWebPath, ERAttachment attachment) Takes into account potential URL encoding differences between the requestedWebPath and the attachment's webPath() attribute.
void	setDelegate(ERAttachmentRequestHandler.Delegate delegate) Sets the delegate for this request handler.

Methods inherited from class com.webobjects.appserver.WORequestHandler

toString

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

REQUEST_HANDLER_KEY

public static final String REQUEST_HANDLER_KEY

See Also:

Constant Field Values

Constructor Detail

ERAttachmentRequestHandler

public ERAttachmentRequestHandler()

Method Detail

setDelegate

public void setDelegate(ERAttachmentRequestHandler.Delegate delegate)

Sets the delegate for this request handler.

Parameters:

delegate - the delegate for this request handler

handleRequest

public WOResponse handleRequest(WORequest request)

Specified by:

handleRequest in class WORequestHandler

fetchAttachmentFor

public static ERAttachment fetchAttachmentFor(EOEditingContext editingContext,
                                              Integer attachmentPrimaryKey,
                                              String requestedWebPath)

Parameters:

editingContext - the EOEditingContext that the result will be inserted into

attachmentPrimaryKey - the primaryKey value of an existing ERAttachment in the database

requestedWebPath - a URL-encoded portion of the requested ERAttachment path including the file name of the attachment

Returns:

an attachment that matches either both the attachmentPrimaryKey and the requestedWebPath, or just the reqestedWebPath. If it is null then we throw a SecurityException.

Since:

Apr 25, 2014

Author:

davendasora

requestedWebPathIsForAttachment

public static boolean requestedWebPathIsForAttachment(String requestedWebPath,
                                                      ERAttachment attachment)

Takes into account potential URL encoding differences between the requestedWebPath and the attachment's webPath() attribute. e.g., "/the/web/path/My Attachment.jpg" will match "/the/web/path/My%20Attachment.jpg"

Parameters:

requestedWebPath - a String to compare to the attachment parameter's

attachment - an ERAttachment

Returns:

true if the requestedWebPath matches attachment.webPath(). false if not.

Since:

Apr 25, 2014

Author:

davendasora