swordappstatement.php

<?php
 
require_once('swordappstatemententry.php');
require_once('utils.php');
 
class SWORDAPPStatement {
 
    // The XML returned by the deposit
    public $sac_xml;
 
    // The state of the item
    public $sac_state_href;
 
    // A description of the state of the item
    public $sac_state_description;
 
    // An array of entries
    public $sac_entries;
 
    // Construct a new SWORD statement by passing in the http status code
    function __construct($sac_newstatus, $sac_thexml = '') {
        // Store the xml
        $this->sac_xml = $sac_thexml;
 
        // Initalise entries
        $this->sac_entries = array();
       
        // Parse the xml if there is some
        if ($sac_thexml != '') {
            $sac_statement = @new SimpleXMLElement($sac_thexml);
            $sac_ns = $sac_statement->getNamespaces(true);
            if (!array_key_exists('atom', $sac_ns)) $sac_ns['atom'] = 'http://www.w3.org/2005/Atom';
            if (!array_key_exists('sword', $sac_ns)) $sac_ns['sword'] = 'http://purl.org/net/sword/';
            $sac_state = $sac_statement->children($sac_ns['sword'])->state;
            if (!empty($sac_state)) {
              $sac_state_attributes = $sac_state->attributes();
              $this->sac_state_href = $sac_state_attributes['href'];
              $this->sac_state_description = $sac_state->children($sac_ns['sword'])->stateDescription;
            }
            foreach ($sac_statement->children($sac_ns['atom'])->entry as $sac_entry) {
                     $sac_entry_scheme = $sac_entry_term = $sac_entry_label = '';
                     $sac_category = $sac_entry->children($sac_ns['atom'])->category;
                     if (!empty($sac_category)) {
                        $sac_category_attributes = $sac_category->attributes();
                        $sac_entry_scheme = $sac_category_attributes['scheme'];
                        $sac_entry_term = $sac_category_attributes['term'];
                        $sac_entry_label = $sac_category_attributes['label'];
                     }
                     // TODO: Fix this - it currently works against the ss.py, but not against the spec
                     $sac_theentry = new SWORDAPPStatementEntry($sac_entry_scheme, $sac_entry_term, $sac_entry_label);
 
                     $sac_content = $sac_entry->children($sac_ns['atom'])->content;
                     $sac_content_attributes = $sac_content->attributes();
                     $sac_theentry->addContent($sac_content_attributes['type'],
                                                            $sac_content_attributes['src']);
 
                     $sac_theentry->setPackaging($sac_entry->children($sac_ns['sword'])->packaging);
 
                     $sac_theentry->setDepositedOn($sac_entry->children($sac_ns['sword'])->depositedOn);
 
                     $sac_theentry->setDepositedBy($sac_entry->children($sac_ns['sword'])->depositedBy);
 
                     array_push($this->sac_entries, $sac_theentry);
            }
          }
    }
 
    function toString() {
        print ' - State href: ' . $this->sac_state_href . "\n";
        print ' - State description: ' . $this->sac_state_description . "\n";
        foreach ($this->sac_entries as $sac_entry) {
            $sac_entry->toString();
        }
    }
}