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496 lines
19 KiB
496 lines
19 KiB
<?php |
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// $Id$ |
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/** |
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* @file |
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* Refworks class |
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*/ |
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/* |
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* Created on 26-Feb-08 |
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* |
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* To change the template for this generated file go to |
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* Window - Preferences - PHPeclipse - PHP - Code Templates |
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*/ |
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module_load_include('inc', 'fedora_repository', 'SecurityClass'); |
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/** |
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* Refworks class ??? |
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*/ |
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class Refworks { |
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private $romeoUrlString = ""; |
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private $referenceList; |
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private $securityHelper; |
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private $collectionPolicyStream; |
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private $issn = ''; |
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/** |
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* Constructor |
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*/ |
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function Refworks() { |
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$this->romeoUrlString = "http://www.sherpa.ac.uk/romeo/api24.php?issn="; |
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} |
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/** |
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* Build Form ?? |
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* @param type $form |
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* @param type $ingest_form_definition |
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* @param type $form_values |
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* @return type |
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*/ |
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function buildForm(&$form, $ingest_form_definition, &$form_values) { |
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$form['indicator2'] = array( |
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'#type' => 'fieldset', |
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'#title' => t('Ingest digital object step #2'), |
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); |
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foreach ($ingest_form_definition->form_elements->element as $element) { |
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$name = strip_tags($element->name->asXML()); |
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$title = strip_tags($element->label->asXML()); |
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$required = strip_tags($element->required->asXML()); |
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$prefix = strip_tags($element->prefix); |
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$required = strtolower($required); |
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if ($required != 'TRUE') { |
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$required = '0'; |
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} |
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$description = strip_tags($element->description->asXML()); |
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$type = strip_tags($element->type->asXML()); |
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$form['indicator2']["$name"] = array( |
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'#title' => $title, |
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'#required' => $required, |
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'#description' => $description, |
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'#prefix' => $prefix, |
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'#type' => $type |
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); |
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} |
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return $form; |
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} |
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/** |
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* Read the input file and generate a list of Reference items. |
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* |
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* @param array $form_values |
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* @param SimpleXMLElement $dom |
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* @return SimpleXMLElement |
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*/ |
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function parse_refworks_item(&$form_values) { |
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$file = $form_values['ingest-file-location']; |
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try { |
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$dom = new DOMDocument('1.0', 'UTF-8'); |
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$dom->substituteEntities = FALSE; |
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$dom->loadXML(trim(file_get_contents($file))); |
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$xml = simplexml_import_dom($dom); |
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//$xml=simplexml_load_string(trim(file_get_contents($file),NULL,TRUE)); |
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//$dom = dom_import_simplexml($xml);//test to see if it behaves better |
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//$xml = new SimpleXMLElement(trim(file_get_contents($file))); |
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} catch (Exception $e) { |
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drupal_set_message(t('Error processing Refworks file: ') . $e->getMessage()); |
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return FALSE; |
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} |
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$this->referenceList = array(); |
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foreach ($xml->reference as $reference) { |
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array_push($this->referenceList, $reference); |
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} |
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return $this->referenceList; |
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} |
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/** |
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* Create a DC stream with ID of DC ??? |
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* @param type $dom |
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* @param type $rootElement |
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* @param type $reference |
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* @return type |
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*/ |
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function createQDCStream(&$dom, &$rootElement, $reference) { |
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$datastream = $dom->createElement("foxml:datastream"); |
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$datastream->setAttribute("ID", "DC"); |
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$datastream->setAttribute("STATE", "A"); |
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$datastream->setAttribute("CONTROL_GROUP", "X"); |
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$version = $dom->createElement("foxml:datastreamVersion"); |
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$version->setAttribute("ID", "DC.0"); |
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$version->setAttribute("MIMETYPE", "text/xml"); |
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$version->setAttribute("LABEL", "DC Dublin Core Record"); |
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$datastream->appendChild($version); |
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$content = $dom->createElement("foxml:xmlContent"); |
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$version->appendChild($content); |
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///begin writing qdc |
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$oai = $dom->createElement("oai_dc:dc"); |
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$oai->setAttribute('xmlns:oai_dc', "http://www.openarchives.org/OAI/2.0/oai_dc/"); |
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$oai->setAttribute('xmlns:dc', "http://purl.org/dc/elements/1.1/"); |
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$oai->setAttribute('xmlns:dcterms', "http://purl.org/dc/terms/"); |
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$oai->setAttribute('xmlns:xsi', "http://www.w3.org/2001/XMLSchema-instance"); |
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$content->appendChild($oai); |
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foreach ($reference->sr as $value) { |
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$element = $dom->createElement('dc:type', htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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} |
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foreach ($reference->id as $value) { |
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$identifier = $value; |
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} |
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foreach ($reference->a1 as $value) { |
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$element = $dom->createElement('dc:creator', htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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} |
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foreach ($reference->t1 as $value) { |
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// $form_values['dc:title'] = $value; |
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$element = $dom->createElement('dc:title', htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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} |
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foreach ($reference->jf as $value) { |
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$source = $value; |
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} |
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foreach ($reference->yr as $value) { |
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$element = $dom->createElement('dc:date', htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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} |
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foreach ($reference->vo as $value) { |
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$source .= ' Volume: ' . $value; |
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} |
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foreach ($reference->is as $value) { |
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$source .= ' Issue: ' . $value; |
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} |
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foreach ($reference->sp as $value) { |
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$source .= ' Start Page: ' . $value; |
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} |
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foreach ($reference->op as $value) { |
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$source .= ' Other Pages: ' . $value; |
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} |
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foreach ($reference->ul as $value) { |
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$source .= ' URL: ' . $value; |
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} |
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foreach ($reference->k1 as $value) { |
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$element = $dom->createElement('dc:subject', htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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} |
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foreach ($reference->a2 as $value) { |
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$element = $dom->createElement('dc:contributor', htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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} |
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foreach ($reference->a3 as $value) { |
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$element = $dom->createElement('dc:contributor', htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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} |
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foreach ($reference->a4 as $value) { |
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$element = $dom->createElement('dc:contributor', htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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} |
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foreach ($reference->a5 as $value) { |
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$element = $dom->createElement('dc:contributor', htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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} |
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foreach ($reference->la as $value) { |
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$element = $dom->createElement('dc:language', htmlspecialchars($value, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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} |
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foreach ($reference->pb as $value) { |
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$source = 'Publisher: ' . $value; |
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} |
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foreach ($reference->pp as $value) { |
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$source .= ' Place of publication: ' . $value; |
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} |
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foreach ($reference->sn as $value) { |
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$identifier .= ' ISSN/ISBN: ' . $value; |
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//$this->romeoUrlString = $this->romeoUrlString . $value; |
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if (!$this->issn == '') { |
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$this->issn = $value; |
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} |
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else { |
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$this->issn .= ',' . $value; |
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} |
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} |
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foreach ($reference->ab as $value) { |
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$description = ' abstract: ' . $value; |
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} |
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foreach ($reference->cr as $value) { |
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$description .= ' Cited reference: ' . $value; |
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} |
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$element = $dom->createElement('dc:description', htmlspecialchars($description, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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$element = $dom->createElement('dc:source', htmlspecialchars($source, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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$element = $dom->createElement('dc:identifier', htmlspecialchars($identifier, ENT_NOQUOTES, 'UTF-8')); |
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$oai->appendChild($element); |
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//$rootElement->appendChild($datastream); |
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return $datastream; |
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} |
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/** |
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* Handle Form ?? |
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* @param type $form_values |
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* @return type |
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*/ |
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function handleForm(&$form_values) { |
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$errorMessage = NULL; |
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module_load_include('inc', 'fedora_repository', 'CollectionClass'); |
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module_load_include('inc', 'fedora_repository', 'ContentModel'); |
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module_load_include('inc', 'fedora_repository', 'api/fedora_item'); |
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$contentModelPid = ContentModel::getPidFromIdentifier($form_values['models']); |
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$contentModelDsid = ContentModel::getDSIDFromIdentifier($form_values['models']); |
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$collectionHelper = new CollectionClass(); |
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$startTime = time(); |
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$collection_pid = $form_values['collection_pid']; |
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$this->parse_refworks_item($form_values); |
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$this->securityHelper = new SecurityClass(); |
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$collection_item = new Fedora_Item($collection_pid); |
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$this->collectionPolicyStream = $collection_item->get_datastream_dissemination('CHILD_SECURITY'); |
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if (empty($this->collectionPolicyStream)) { |
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$this->collectionPolicyStream = file_get_contents(drupal_get_path('module', 'fedora_repository') . '/policies/noObjectEditPolicy.xml'); |
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} |
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$success = 0; |
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$errors = 0; |
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foreach ($this->referenceList as $reference) { |
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$dom = new DomDocument("1.0", "UTF-8"); |
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$dom->substituteEntities = FALSE; |
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$dom->formatOutput = TRUE; |
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$pid = $collectionHelper->getNextPid($collection_pid, $contentModelDsid); |
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$rootElement = $dom->createElement("foxml:digitalObject"); |
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$rootElement->setAttribute('VERSION', '1.1'); |
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$rootElement->setAttribute('PID', "$pid"); |
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$rootElement->setAttribute('xmlns:foxml', "info:fedora/fedora-system:def/foxml#"); |
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$rootElement->setAttribute('xmlns:xsi', "http://www.w3.org/2001/XMLSchema-instance"); |
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$rootElement->setAttribute('xsi:schemaLocation', "info:fedora/fedora-system:def/foxml# http://www.fedora.info/definitions/1/0/foxml1-1.xsd"); |
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$dom->appendChild($rootElement); |
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//create standard fedora stuff |
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$qdc_element = $this->createQDCStream($dom, $rootElement, $reference); |
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if (!$qdc_element) { |
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drupal_set_message(t('Error creating DC for Refworks'), 'error'); |
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continue; |
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} |
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$item_title = ''; |
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foreach ($reference->t1 as $value) { |
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$item_title .= ' --- ' . $value; |
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} |
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$this->createStandardFedoraStuff($form_values, $dom, $rootElement, $reference); |
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$rootElement->appendChild($qdc_element); |
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//create relationships |
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$this->createRelationShips($form_values, $dom, $rootElement, $pid); |
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//create dublin core |
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$this->createFedoraDataStreams($form_values, $dom, $rootElement, $reference); |
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if (!empty($this->collectionPolicyStream)) { |
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$this->create_security_policies($dom, $rootElement, $reference); |
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} |
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$params = array( |
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'objectXML' => $dom->saveXML(), |
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'format' => 'info:fedora/fedora-system:FOXML-1.1', |
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'logMessage' => "Fedora Object Ingested", |
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); |
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try { |
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$soapHelper = new ConnectionHelper(); |
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$client = $soapHelper->getSoapClient(variable_get('fedora_soap_manage_url', 'http://localhost:8080/fedora/services/management?wsdl')); |
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if ($client == NULL) { |
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drupal_set_message(t('Error getting SOAP client.'), 'error'); |
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watchdog(t("FEDORA_REPOSITORY"), t("Error getting SOAP client: !e", array('!e' => $e)), NULL, WATCHDOG_ERROR); |
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return; |
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} |
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$object = $client->__soapCall('ingest', array( |
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$params |
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)); |
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watchdog(t("FEDORA_REPOSITORY"), t("Successfully added repository item !pid - !it", array('!pid' => $pid, '!it' => $item_title)), NULL, WATCHDOG_INFO); |
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$deleteFiles = $form_values['delete_file']; //remove files from drupal file system |
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if ($deleteFiles > 0) { |
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unlink($form_values['fullpath']); |
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} |
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} catch (exception $e) { |
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$errors++; |
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$errorMessage = 'yes'; |
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watchdog(t("FEDORA_REPOSITORY"), t("Error during ingest !it !e", array('!it' => $item_title, '!e' => $e)), NULL, WATCHDOG_ERROR); |
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} |
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$success++; |
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} |
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if (isset($errorMessage)) { |
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drupal_set_message(t('Error ingesting one or more records! Check Drupal watchdog logs for more info'), 'error'); |
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} |
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$endTime = time(); |
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drupal_set_message(t('Successfull ingest of %success records. %errors records failed. Ingest took %seconds seconds', array('%success' => $success - $errors, '%errors' => $errors, '%seconds' => $endTime - $startTime)), 'info'); |
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} |
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/** |
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* Creates the RELS-EXT for the foxml |
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* @param type $form_values |
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* @param type $dom |
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* @param type $rootElement |
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* @param type $pid |
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*/ |
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function createRelationShips($form_values, &$dom, &$rootElement, $pid = NULL) { |
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$drdf = $dom->createElement("foxml:datastream"); |
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$drdf->setAttribute("ID", "RELS-EXT"); |
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$drdf->setAttribute("CONTROL_GROUP", "X"); |
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$dvrdf = $dom->createElement("foxml:datastreamVersion"); |
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$dvrdf->setAttribute("ID", "RELS-EXT.0"); |
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$dvrdf->setAttribute("MIMETYPE", "text/xml"); |
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$dvrdf->setAttribute("LABEL", "Fedora Object-to-Object Relationship Metadata"); |
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$dvcontent = $dom->createElement("foxml:xmlContent"); |
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$rdf = $dom->createElement("rdf:RDF"); |
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$rdf->setAttribute("xmlns:rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#"); |
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$rdf->setAttribute("xmlns:rdfs", "http://www.w3.org/2000/01/rdf-schema#"); |
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$rdf->setAttribute("xmlns:fedora", "info:fedora/fedora-system:def/relations-external#"); |
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$rdf->setAttribute("xmlns:fedora-model", "info:fedora/fedora-system:def/model#"); |
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$rdfdesc = $dom->createElement("rdf:description"); |
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$rdfdesc->setAttribute("rdf:about", "info:fedora/$pid"); |
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$member = $dom->createElement("fedora:isMemberOfCollection"); |
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$membr = $form_values['collection_pid']; |
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$member->setAttribute("rdf:resource", "info:fedora/$membr"); |
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$model = $dom->createElement("fedora-model:hasModel"); |
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$model->setAttribute("rdf:resource", "info:fedora/islandora:refworksCModel"); |
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$drdf->appendChild($dvrdf); |
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$dvrdf->appendChild($dvcontent); |
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$dvcontent->appendChild($rdf); |
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$rdf->appendChild($rdfdesc); |
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$rdfdesc->appendChild($member); |
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$rdfdesc->appendChild($model); |
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$rootElement->appendChild($drdf); |
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} |
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/** |
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* Create Romeo Datastream |
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* @param type $dom |
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* @param type $rootElement |
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*/ |
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function createRomeoDataStream(&$dom, &$rootElement) { |
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$ds1 = $dom->createElement("foxml:datastream"); |
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$ds1->setAttribute("ID", "ROMEO"); |
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$ds1->setAttribute("STATE", "A"); |
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$ds1->setAttribute("CONTROL_GROUP", "E"); |
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$ds1v = $dom->createElement("foxml:datastreamVersion"); |
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$ds1v->setAttribute("ID", "ROMEO.0"); |
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$ds1v->setAttribute("MIMETYPE", "text/xml"); |
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$ds1v->setAttribute("LABEL", "ROMEO"); |
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$ds1content = $dom->createElement('foxml:contentLocation'); |
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$url = $this->romeoUrlString . $this->issn; |
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$this->issn = ''; //clear the issn's for next ingest in case we are doing batch |
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$ds1content->setAttribute("REF", "$url"); |
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$ds1content->setAttribute("TYPE", "URL"); |
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$ds1->appendChild($ds1v); |
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$ds1v->appendChild($ds1content); |
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$rootElement->appendChild($ds1); |
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} |
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/** |
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* Create Fedora Datastream |
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* @global type $base_url |
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* @param type $form_values |
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* @param type $dom |
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* @param type $rootElement |
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* @param type $reference |
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*/ |
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function createFedoraDataStreams($form_values, &$dom, &$rootElement, $reference) { |
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global $base_url; |
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module_load_include('inc', 'fedora_repository', 'MimeClass'); |
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$mimetype = new MimeClass(); |
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$server = NULL; |
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$this->createRomeoDataStream($dom, $rootElement); |
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$ds1 = $dom->createElement("foxml:datastream"); |
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$ds1->setAttribute("ID", "refworks"); |
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$ds1->setAttribute("STATE", "A"); |
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$ds1->setAttribute("CONTROL_GROUP", "X"); |
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$ds1v = $dom->createElement("foxml:datastreamVersion"); |
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$ds1v->setAttribute("ID", "refworks.0"); |
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$ds1v->setAttribute("MIMETYPE", "text/xml"); |
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$ds1v->setAttribute("LABEL", "Refworks datastream"); |
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$ds1content = $dom->createElement("foxml:xmlContent"); |
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|
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$ds1content->appendChild($dom->importNode(dom_import_simplexml($reference), TRUE)); |
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$ds1->appendChild($ds1v); |
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$ds1v->appendChild($ds1content); |
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$rootElement->appendChild($ds1); |
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$count = 0; |
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} |
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|
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/** |
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* Creates the standard foxml properties |
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* @param type $form_values |
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* @param type $dom |
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* @param type $rootElement |
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* @param type $reference |
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*/ |
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function createStandardFedoraStuff($form_values, &$dom, &$rootElement, $reference) { |
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// Foxml object properties section |
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$objproperties = $dom->createElement("foxml:objectProperties"); |
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$prop2 = $dom->createElement("foxml:property"); |
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$prop2->setAttribute("NAME", "info:fedora/fedora-system:def/model#state"); |
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$prop2->setAttribute("VALUE", "A"); |
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$prop3 = $dom->createElement("foxml:property"); |
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$prop3->setAttribute("NAME", "info:fedora/fedora-system:def/model#label"); |
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$label = $reference->t1; |
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if (strlen($label) > 254) { |
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$label = substr($label, 0, 245); |
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} |
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$prop3->setAttribute("VALUE", $label); |
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$prop5 = $dom->createElement("foxml:property"); |
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$prop5->setAttribute("NAME", "info:fedora/fedora-system:def/model#ownerId"); |
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$prop5->setAttribute("VALUE", $form_values['user_id']); |
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$objproperties->appendChild($prop2); |
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$objproperties->appendChild($prop3); |
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$objproperties->appendChild($prop5); |
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$rootElement->appendChild($objproperties); |
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} |
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|
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/** |
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* Read the list of Users from the U1 field and Roles from the U2 field and add elements |
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* to the security policy record for this item, then add the record as the security policy datastream. |
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* |
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* @param array $form_values |
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* @param DOMDocument $dom |
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* @param $rootElement |
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* @param SimpleXMLElement $reference |
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*/ |
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function create_security_policies($dom, &$rootElement, $reference) { |
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global $user; |
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$ds1 = $dom->createElement("foxml:datastream"); |
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$ds1->setAttribute("ID", "POLICY"); |
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$ds1->setAttribute("STATE", "A"); |
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$ds1->setAttribute("CONTROL_GROUP", "X"); |
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$ds1v = $dom->createElement("foxml:datastreamVersion"); |
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$ds1v->setAttribute("ID", "POLICY.0"); |
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$ds1v->setAttribute("MIMETYPE", "text/xml"); |
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$ds1v->setAttribute("LABEL", "POLICY Record"); |
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$ds1content = $dom->createElement("foxml:xmlContent"); |
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|
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$custom_policy = $this->collectionPolicyStream; |
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$allowed_users_and_roles = array(); |
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$allowed_users_and_roles['users'] = array(); |
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$allowed_users_and_roles['roles'] = array(); |
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foreach ($reference->u1 as $namelist) { |
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foreach (explode(';', strip_tags($namelist->asXML())) as $name) { |
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array_push($allowed_users_and_roles['users'], $name); |
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} |
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} |
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if (empty($reference->u1)) { |
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// If no "u1" value exists, add the currently logged-in user to the item's security policy. |
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array_push($allowed_users_and_roles['users'], $user->name); |
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} |
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|
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foreach ($reference->u2 as $rolelist) { |
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foreach (explode(';', strip_tags($rolelist->asXML())) as $role) { |
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array_push($allowed_users_and_roles['roles'], $role); |
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} |
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} |
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$custom_policy = $this->securityHelper->set_allowed_users_and_roles($custom_policy, $allowed_users_and_roles); |
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$custom_policy_sxe = new SimpleXMLElement($custom_policy); |
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$ds1->appendChild($ds1v); |
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$ds1v->appendChild($ds1content); |
|
|
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$rootElement->appendChild($ds1); |
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$ds1content->appendChild($dom->importNode(dom_import_simplexml($custom_policy_sxe), TRUE)); |
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} |
|
|
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}
|
|
|