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Merge branch 'master' of https://github.com/ajstanley/islandora into ISLANDORA-121

pull/105/head
Alexander O'Neill 14 years ago
parent
d28e98d21d bd14f1b817
commit
3785ffefff
1 changed files with 73 additions and 90 deletions
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  1. 59
      XMLDatastream.inc

59
XMLDatastream.inc
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@ -6,17 +6,13 @@ abstract class XMLDatastream {
static $XMLNS = 'http://www.islandora.ca';
static $errors = NULL;
protected $xml = NULL;
private $valid = NULL;
protected $forceSchema = FALSE; // if set, the datastream will be validated against the specified schema in self::$SCHEMA_URI instead of
// reading the schema URI from the datastream.
public $pid;
public $dsid;
/**
* Parses an PID from an identifier.
* @param string $identifier
@ -26,7 +22,6 @@ abstract class XMLDatastream {
return substr($identifier, 0, strpos($identifier, "/"));
}
/**
* validPid
* Validates a fedora PID based on the regexp provided in the fedora
@ -64,8 +59,6 @@ abstract class XMLDatastream {
return $valid;
}
/**
* Parses the DSID from an identifier.
* TODO: combine this method with getPidFromIdentifier?
@ -77,7 +70,6 @@ abstract class XMLDatastream {
return substr($temp, 1);
}
/**
* Constructs an XMLDatastream object from the XML file specified.
* Returns FALSE on failure.
@ -89,7 +81,6 @@ abstract class XMLDatastream {
return new self(file_get_contents($filename));
}
/**
* Constructor
* NOTE: Use the static constructor methods whenever possible.
@ -101,15 +92,14 @@ abstract class XMLDatastream {
*/
public function __construct($xmlStr, $pid = NULL, $dsid = NULL) {
libxml_use_internal_errors(true);
$this->pid=$pid;
$this->dsid=$dsid;
$this->pid = $pid;
$this->dsid = $dsid;
if ($xmlStr !== NULL) {
$this->xml = (is_object($xmlStr) && get_class($xmlStr) == DOMDocument)?$xmlStr : DOMDocument::loadXML($xmlStr);
$this->xml = (is_object($xmlStr) && get_class($xmlStr) == DOMDocument) ? $xmlStr : DOMDocument::loadXML($xmlStr);
}
}
/**
* Gets the identifier for this XMLDatastream
* Returns FALSE on failure.
@ -119,10 +109,9 @@ abstract class XMLDatastream {
* @return string identifier
*/
public function getIdentifier() {
return ($this->pid != NULL && $this->dsid != NULL) ? $this->pid . '/'. $this->dsid : FALSE;
return ($this->pid != NULL && $this->dsid != NULL) ? $this->pid . '/' . $this->dsid : FALSE;
}
/**
* Dumps the XMLDatastream as an XML String
*
@ -136,7 +125,6 @@ abstract class XMLDatastream {
return $this->xml->saveXml();
}
/**
* Validates the XMLDatastream against the schema location
* defined by the xmlns:schemaLocation attribute of the root
@ -151,6 +139,7 @@ abstract class XMLDatastream {
* @return boolean $valid
*/
public function validate() {
global $user;
if ($this->valid === NULL) {
$ret = TRUE;
if ($this->xml == NULL) {
@ -158,7 +147,7 @@ abstract class XMLDatastream {
}
// figure out if we're dealing with a new or old schema
$rootEl = $this->xml->firstChild;
if (!$rootEl->hasAttributes() || $rootEl->attributes->getNamedItem('schemaLocation') === NULL ) {
if (!$rootEl->hasAttributes() || $rootEl->attributes->getNamedItem('schemaLocation') === NULL) {
//$tmpname = substr($this->pid, strpos($this->pid, ':') + 1);
$tmpname = user_password(10);
$this->convertFromOldSchema();
@ -169,10 +158,13 @@ abstract class XMLDatastream {
'</title><body>' + content +'</body></html>';
printerWindow = window.open('', '', 'toolbar=no,location=no,' + 'status=no,menu=no,scrollbars=yes,width=650,height=400');
printerWindow.document.open();
printerWindow.document.write(text);
} ", 'inline');
printerWindow.document.write(text);
}", 'inline');
if (user_access('administer site configuration')) {
drupal_set_message('<span id="new_schema_' . $tmpname . '" style="display: none;">' . htmlentities($this->xml->saveXML()) . '</span>Warning: XMLDatastream performed conversion of \'' . $this->getIdentifier() . '\' from old schema. Please update the datastream. The new datastream contents are <a href="javascript:fedora_repository_print_new_schema_' . $tmpname . '(\'new_schema_' . $tmpname . '\')">here.</a> ');
}
drupal_set_message('<span id="new_schema_'. $tmpname .'" style="display: none;">'. htmlentities($this->xml->saveXML()) .'</span>Warning: XMLDatastream performed conversion of \''. $this->getIdentifier() .'\' from old schema. Please update the datastream. The new datastream contents are <a href="javascript:fedora_repository_print_new_schema_'. $tmpname .'(\'new_schema_'. $tmpname .'\')">here.</a> ');
$rootEl = $this->xml->firstChild;
}
@ -182,31 +174,23 @@ printerWindow.document.write(text);
// a subclass.
$vars = get_class_vars(get_class($this));
$schemaLocation = $vars['SCHEMA_URI'];
}
elseif ($rootEl->attributes->getNamedItem('schemaLocation') !== NULL) {
} elseif ($rootEl->attributes->getNamedItem('schemaLocation') !== NULL) {
//figure out where the schema is located and validate.
list(, $schemaLocation) = preg_split('/\s+/', $rootEl->attributes->getNamedItem('schemaLocation')->nodeValue);
$name = $rootEl->getAttribute('name');
if ($name !== FALSE) {
$this->name = $name;
}
}
$schemaLocation = NULL;
return TRUE;
if ($schemaLocation !== NULL) {
if (!$this->xml->schemaValidate($schemaLocation)) {
$ret = FALSE;
$errors=libxml_get_errors();
$errors = libxml_get_errors();
foreach ($errors as $err) {
self::$errors[] = 'XML Error: Line '. $err->line .': '. $err->message;
}
}
else {
$this->name=$rootEl->attributes->getNamedItem('name')->nodeValue;
self::$errors[] = 'XML Error: Line ' . $err->line . ': ' . $err->message;
}
} else {
$this->name = $rootEl->attributes->getNamedItem('name')->nodeValue;
}
else {
} else {
$ret = FALSE;
self::$errors[] = 'Unable to load schema.';
}
@ -217,7 +201,6 @@ printerWindow.document.write(text);
return $this->valid;
}
/**
* Saves the current XML datastream back to fedora. The XML must validate.
*
@ -245,7 +228,7 @@ printerWindow.document.write(text);
public function purgeVersions($start_date, $end_date = NULL) {
module_load_include('inc', 'fedora_repository', 'api/fedora_item');
$fedora_item = new Fedora_Item($this->pid);
return $fedora_item->purge_datastream( $this->dsid, $start_date, $end_date);
return $fedora_item->purge_datastream($this->dsid, $start_date, $end_date);
}
/**
@ -263,7 +246,8 @@ printerWindow.document.write(text);
if ($history !== FALSE) {
$ret = array();
foreach ($history as $version) {
if ($version->versionID !== NULL) $ret[] = array('versionID' => $version->versionID, 'createDate' => $version->createDate);
if ($version->versionID !== NULL)
$ret[] = array('versionID' => $version->versionID, 'createDate' => $version->createDate);
}
}
return $ret;
@ -277,5 +261,4 @@ printerWindow.document.write(text);
* @return void
*/
abstract protected function convertFromOldSchema();
}

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