Editing API:EPrints/Apache/CRUD (section)

==METHODS==
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<!-- Pod2Wiki=head_constructor_methods -->
===Constructor Methods===
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<!-- Pod2Wiki=item_new -->
====new====

 $crud = EPrints::Apache::CRUD-&gt;new( %params )
Return a new CRUD request using parameters given in <tt>%params</tt>.
 
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<!-- Pod2Wiki=head_class_methods -->
===Class Methods===
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<!-- Pod2Wiki=item_generate_error_document -->
====generate_error_document====

 $error_document = EPrints::Apache::CRUD::generate_error_document( $repo, %opts )
Return error document for [[API:EPrints/Repository|EPrints::Repository]] <tt>$repo</tt> using  options from <tt>%opts</tt>.

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<!-- Pod2Wiki=item_is_true -->
====is_true====

 $boolean = EPrints::Apache::CRUD::is_true( $header )
Tests if <tt>$header</tt> attribute is <tt>true</tt>.

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<!-- Pod2Wiki=item_is_false -->
====is_false====

 $boolean = EPrints::Apache::CRUD::is_false( $header )
Tests if <tt>$header</tt> attribute is <tt>false</tt>.

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<!-- Pod2Wiki=head_object_methods -->
===Object Methods===
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<!-- Pod2Wiki=item_repository -->
====repository====

 $repo = $crud-&gt;repository()
Returns the current repository.

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<!-- Pod2Wiki=item_request -->
====request====

 $r = $crud-&gt;request()
Returns the current {{API:PodLink|file=Apache2/RequestUtil|package_name=Apache2::RequestUtil|section=|text=Apache2::RequestUtil}}.

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<!-- Pod2Wiki=item_method -->
====method====

 $method = $crud-&gt;method()
Returns the HTTP method.

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<!-- Pod2Wiki=item_scope -->
====scope====

 $scope = $crud-&gt;scope()
Returns the scope of the action being performed.

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<!-- Pod2Wiki=item_dataset -->
====dataset====

 $dataset = $crud-&gt;dataset()
Returns the current dataset (if any).

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<!-- Pod2Wiki=item_dataobj -->
====dataobj====

 $dataobj = $crud-&gt;dataobj()
Returns the current dataobj (if any).

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<!-- Pod2Wiki=item_field -->
====field====

 $field = $crud-&gt;field()
Returns the current field (if available);

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<!-- Pod2Wiki=item_headers -->
====headers====

 $headers = $crud-&gt;headers()
Get the processed headers.

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<!-- Pod2Wiki=item_options -->
====options====

 @verbs = $crud-&gt;options()
Returns the available HTTP verbs for the current request.

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<!-- Pod2Wiki=item_plugin -->
====plugin====

 $plugin = $crud-&gt;plugin()
Returns the current plugin (if available).

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<!-- Pod2Wiki=item_is_write -->
====is_write====

 $bool = $crud-&gt;is_write()
Returns <tt>true</tt> if the request is not a read-only method.

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<!-- Pod2Wiki=item_accept_type -->
====accept_type====

 $accept_type = $crud-&gt;accept_type()
Returns the EPrints type for the current request.

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<!-- Pod2Wiki=item_check_packaging -->
====check_packaging====

 $rc = $crud-&gt;check_packaging()
Check the Packaging header is ok, if given.

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<!-- Pod2Wiki=item_resolve_relations -->
====resolve_relations====

 $dataobj = $crud-&gt;resolve_relations( $dataobj [, @relations ] )
Resolve the relation path from <tt>$dataobj</tt> and return the resulting  data object.

Returns c&lt;undef&gt; if there is no such related object.

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<!-- Pod2Wiki=item_authen -->
====authen====

 $rc = $crud-&gt;authen
Returns HTTP code based of whether CRUD request can be authenticated.

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<!-- Pod2Wiki=item_authz -->
====authz====

 $rc = $crud-&gt;authz
Returns HTTP code based of whether CRUD request can be authorized.

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<!-- Pod2Wiki=item_parse_input -->
====parse_input====

 $list = $crud-&gt;parse_input( $plugin, $f [, %params ] )
Parse the content submitted by the user using the given <tt>$plugin</tt>.   <tt>$f</tt> is called by c&lt;epdata_to_dataobj&gt; to convert EPrints data markup  to a data object. <tt>%params</tt> are passed to the plugin's <tt>input_fh</tt>  method.

Returns <tt>undef</tt> on error. Otherwise returns an [[API:EPrints/List|EPrints::List]] of  data objects.

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<!-- Pod2Wiki=item_create_dataobj -->
====create_dataobj====

 $dataobj = $crud-&gt;create_dataobj( $owner, $epdata )
Creates data object as user $owner with metadata from $epdata

Returns an [[API:EPrints/DataObj|EPrints::DataObj]].

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<!-- Pod2Wiki=item_import_plugins -->
====import_plugins====

 @plugins = $crud-&gt;import_plugins( [ %params ] )
Returns all matching import plugins against <tt>%params</tt> ordered by  descending <tt>q</tt> score.

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<!-- Pod2Wiki=item_export_plugins -->
====export_plugins====

 @plugins = $crud-&gt;export_plugins( [ %params ] )
Returns all matching export plugins against <tt>%params</tt> ordered by  descending <tt>q</tt> score.

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<!-- Pod2Wiki=item_content_negotiate_best_plugin -->
====content_negotiate_best_plugin====

 $plugin = $crud-&gt;content_negotiate_best_plugin()
Work out the best plugin to export/update an object based on the  client headers.

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<!-- Pod2Wiki=item_crud -->
====crud====

 EPrints::Apache::CRUD( $media_range )
Takes the <tt>$media_range</tt> string and returns array of acceptable MIME  types. See  http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.1 for  more detail.

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<!-- Pod2Wiki=item_handler -->
====handler====

 $rc = $crud-&gt;handler
Handler of CRUD requests.

Returns HTTP response code.

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<!-- Pod2Wiki=item_delete -->
====delete====

 $rc = $crud-&gt;DELETE()
Handle <tt>DELETE</tt> requests.

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<!-- Pod2Wiki=item_http_method_not_allowed -->
====http_method_not_allowed====

 HTTP_METHOD_NOT_ALLOWED
Can't perform <tt>DELETE</tt> on ''/id/contents''.

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<!-- Pod2Wiki=item_http_not_found -->
====http_not_found====

 HTTP_NOT_FOUND
No such object.

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<!-- Pod2Wiki=item_http_conflict -->
====http_conflict====

 HTTP_CONFLICT
Lock conflict with another user.

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<!-- Pod2Wiki=item_http_no_content -->
====http_no_content====

 HTTP_NO_CONTENT
Successfully removed the object.

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<!-- Pod2Wiki=item_get -->
====get====

 $rc = $crud-&gt;GET( [ $owner ] )
Handle <tt>GET</tt> requests.

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<!-- Pod2Wiki=item_http_no_content -->
====http_no_content====

 HTTP_NO_CONTENT
No sub-objects in ''/id/.../contents''.

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<!-- Pod2Wiki=item_http_not_acceptable -->
====http_not_acceptable====

 HTTP_NOT_ACCEPTABLE
More than one sub-object in ''/id/.../contents''.

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<!-- Pod2Wiki=item_http_unsupported_media_type -->
====http_unsupported_media_type====

 HTTP_UNSUPPORTED_MEDIA_TYPE
No {{API:PodLink|file=EPrints/Plugin/Export|package_name=EPrints::Plugin::Export|section=|text=Export}} plugin matches the <tt>Accept</tt>  header/object type.

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<!-- Pod2Wiki=item_http_see_other -->
====http_see_other====

 HTTP_SEE_OTHER
Redirect to a non-CRUD EPrints page.

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<!-- Pod2Wiki=item_http_not_found -->
====http_not_found====

 HTTP_NOT_FOUND
Object not found.

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<!-- Pod2Wiki=item_http_ok -->
====http_ok====

 HTTP_OK
Object outputted successfully.

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<!-- Pod2Wiki=item_post -->
====post====

 $rc = $crud-&gt;POST( [ $owner ] )
Handle <tt>POST</tt> requests.

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<!-- Pod2Wiki=item_http_method_not_allowed -->
====http_method_not_allowed====

 HTTP_METHOD_NOT_ALLOWED
Can only POST to ''/id/.../contents''.

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<!-- Pod2Wiki=item_http_bad_request -->
====http_bad_request====

 HTTP_BAD_REQUEST
No plugin for the SWORD <tt>Packaging</tt> header.

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<!-- Pod2Wiki=item_http_created -->
====http_created====

 HTTP_CREATED
Object(s) successfully created.

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<!-- Pod2Wiki=item_put -->
====put====

 $rc = $crud-&gt;PUT( [ $owner ] )
Handle <tt>PUT</tt> requests.

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<!-- Pod2Wiki=item_http_unsupported_media_type -->
====http_unsupported_media_type====

 HTTP_UNSUPPORTED_MEDIA_TYPE
No {{API:PodLink|file=EPrints/Plugin/Import|package_name=EPrints::Plugin::Import|section=|text=Import}} plugin matched the  <tt>Content-Type</tt> header/object type.

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<!-- Pod2Wiki=item_http_range_not_satisfiable -->
====http_range_not_satisfiable====

 HTTP_RANGE_NOT_SATISFIABLE
<tt>Range</tt> header is invalid or unsupported for the object type.

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<!-- Pod2Wiki=item_http_forbidden -->
====http_forbidden====

 HTTP_FORBIDDEN
User does not have permission to create/update the object.

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<!-- Pod2Wiki=item_http_created -->
====http_created====

 HTTP_CREATED
Object was successfully created.

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<!-- Pod2Wiki=item_http_no_content -->
====http_no_content====

 HTTP_NO_CONTENT
Object was successfully updated.

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<!-- Pod2Wiki=item_put_contents -->
====put_contents====

 $rc = $crud-&gt;PUT_contents( [ $owner ] )
Equivalent to <tt>DELETE /id/.../contents</tt> then  <tt>POST /id/.../contents</tt>.

See [[API:EPrints/Apache/CRUD#DELETE|DELETE]] and [[API:EPrints/Apache/CRUD#POST|POST]].

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====metadata_relevant====

 $crud-&gt;metadata_relevant( $file )
Test and if suitable use <tt>$file</tt> as metadata source to update the  associated [[API:EPrints/DataObj/EPrint|EPrints::DataObj::EPrint]].

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<!-- Pod2Wiki=item_servicedocument -->
====servicedocument====

 $crud-&gt;servicedocument
Generate response containing CRUD service document.

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<!-- Pod2Wiki=item_on_behalf_of -->
====on_behalf_of====

 $rc = $crud-&gt;on_behalf_of( $user )
Submit CRUD request on behalf of another user.

Returns HTTPS response code based on whether request on behalf of is  permitted.

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<!-- Pod2Wiki=item_is_file_ok -->
====is_file_ok====

 $boolean = $crud-&gt;is_file_ok( $epdata )
Tests if files with <tt>$epdata</tt> were uploaded with corruption.

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<!-- Pod2Wiki=item_process_headers -->
====process_headers====

 $boolean = $crud-&gt;process_headers
Process headers of CRUD request

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<!-- Pod2Wiki=item_sword_error -->
====sword_error====

 $boolean = $crud-&gt;sword_error( %opts )
Generate SWORD error documents based on provided <tt>%opts</tt>.

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<!-- Pod2Wiki=item_plugin_error -->
====plugin_error====

 $boolean = $crud-&gt;plugin_error( $plugin, $messages )
Generate error message for import <tt>$plugin</tt> used with <tt>$messages</tt> provided.

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<!-- Pod2Wiki=item_send_response -->
====send_response====

 $rc = $crud-&gt;send_response( $status, $content_type, $content )
Output response to CRUD request with HTTP status code <tt>$status</tt>, content type <tt>$content_type</tt>.

Returns HTTP response code <tt>OK</tt>.

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