Activity - directoryAccessActivity

Activity Type: File

Description

List the files within a directory.

Example

<directoryAccessActivity name="listDirectory">
  <path>some/directory</path>
  <output name="listDirectoryOutput"/>
</directoryAccessActivity>

Specification

Element directoryAccessActivity:

• Attribute name - unique name for the activity within the scope of a request.
• Element path (optional) - contains the path to the directory to list. This path should be relative to the top-level directory exposed by the associated OGSA-DAI service and must not attempt to traverse up the directory hierarchy higher than this directory. If this element is omitted, the top-level directory itself is examined and its listing returned.
• output (required) - output stream.
  • Attribute name - name of the activity's output stream.

Input and Output Types

• Output: output - java.lang.String (XML)
Example:

<list directory="someDirectory">
  <dir>config</dir>
  <file>output-myActivity2.txt</file>
</list>

Warning to Service Deployers

This activity can be used by clients to potentially access any directory on your server below that exposed by the associated OGSA-DAI service.

Data Resource Accessor

This activity requires a data resource accessor that implements the following interface: uk.org.ogsadai.dataresource.FileAccessProvider

XML Schema

OGSA-DAI/schema/ogsadai/xsd/activities/directory_access.xsd

Class

uk.org.ogsadai.activity.files.DirectoryAccessActivity

Client Toolkit Class

uk.org.ogsadai.client.toolkit.activity.files.DirectoryAccess