PHP MetadataDescription类代码示例

 /**
  * @covers MetadataDescriptionDummyAdapter
  */
 public function testMetadataDescriptionDummyAdapter()
 {
     $schema = 'lib.pkp.plugins.metadata.nlm30.schema.Nlm30CitationSchema';
     // Instantiate a test description.
     $originalDescription = new MetadataDescription($schema, ASSOC_TYPE_CITATION);
     $originalDescription->addStatement('source', $originalTitle = 'original source');
     $originalDescription->addStatement('article-title', $originalTitle = 'original title');
     // Test constructor.
     $adapter = new MetadataDescriptionDummyAdapter($originalDescription);
     self::assertEquals(ASSOC_TYPE_CITATION, $adapter->getAssocType());
     self::assertEquals($schema, $adapter->getMetadataSchemaName());
     self::assertInstanceOf('Nlm30CitationSchema', $adapter->getMetadataSchema());
     // Test metadata injection.
     $sourceDescription = new MetadataDescription($schema, ASSOC_TYPE_CITATION);
     $sourceDescription->addStatement('article-title', $injectedTitle = 'injected title');
     $resultDescription =& $adapter->injectMetadataIntoDataObject($sourceDescription, $originalDescription);
     $expectedResult = array('source' => array('en_US' => 'original source'), 'article-title' => array('en_US' => 'injected title'));
     self::assertEquals($expectedResult, $resultDescription->getStatements());
     // Test meta-data extraction.
     $extractedDescription = $adapter->extractMetadataFromDataObject($originalDescription);
     self::assertEquals($originalDescription, $extractedDescription);
     // Test meta-data field names (only test one field of each
     // category (translated or not) so that the test doesn't
     // break when we expand the NLM schema).
     $fieldNames = $adapter->getMetadataFieldNames(false);
     self::assertTrue(in_array('date', $fieldNames));
     // NB: no namespace pre-fix in this case!
     $fieldNames = $adapter->getMetadataFieldNames(true);
     self::assertTrue(in_array('article-title', $fieldNames));
 }

 /**
  * Creates a test description in Openurl10 format
  * @return MetadataDescription
  */
 protected function getTestOpenurl10Description()
 {
     $citationData = array('aulast' => 'von Surname1', 'aufirst' => 'Given1 P', 'auinit1' => 'G', 'auinitm' => 'P', 'auinit' => 'GP', 'ausuffix' => 'suff', 'au' => array(0 => 'Surname1 suff, P. (Given1) von', 1 => 'Surname2, (Given2)'), 'genre' => 'article', 'jtitle' => 'Some Journal Title', 'atitle' => 'Some Article Title', 'date' => '2005-07-03', 'issn' => '0694760949645', 'spage' => 17, 'epage' => 33, 'volume' => '7', 'issue' => '5', 'eissn' => '3049674960475', 'artnum' => '45', 'coden' => 'coden', 'sici' => 'sici');
     $openurl10Description = new MetadataDescription('lib.pkp.plugins.metadata.openurl10.schema.Openurl10JournalSchema', ASSOC_TYPE_CITATION);
     self::assertTrue($openurl10Description->setStatements($citationData));
     return $openurl10Description;
 }

 private function serializeCitationDescription(MetadataDescription &$citationDescription)
 {
     // Prepare transformation tables for the output serialization:
     // - the following lines will be deleted from our output file
     static $linesToDelete = array('    [0-9]+ => ', '    array \\(', '      \'_data\' => ', '    \\),');
     // Transform person descriptions to arrays
     $citationDescriptionArray = $citationDescription->getStatements();
     $personDescriptionProperties = array('person-group[@person-group-type="author"]', 'person-group[@person-group-type="editor"]');
     foreach ($personDescriptionProperties as $personDescriptionProperty) {
         if (isset($citationDescriptionArray[$personDescriptionProperty])) {
             foreach ($citationDescriptionArray[$personDescriptionProperty] as &$person) {
                 $person = $person->getStatements();
             }
         }
     }
     // Transform the result into an array that we can serialize
     // in a human-readable form and also re-import as PHP-parsable code.
     $citationDescriptionOutput = var_export($citationDescriptionArray, true);
     $citationDescriptionOutputArray = explode("\n", $citationDescriptionOutput);
     foreach ($citationDescriptionOutputArray as $key => &$citationDescriptionOutputLine) {
         // Remove redundant lines
         foreach ($linesToDelete as $lineToDelete) {
             if (preg_match('/^' . $lineToDelete . '$/', $citationDescriptionOutputLine)) {
                 unset($citationDescriptionOutputArray[$key]);
             }
         }
         // Correctly indent the output line
         $citationDescriptionOutputLine = "\t\t\t" . preg_replace('/^\\t\\t\\t/', "\t\t", str_replace('  ', "\t", $citationDescriptionOutputLine));
     }
     // Create the final serialized format
     return implode("\n", $citationDescriptionOutputArray);
 }

 /**
  * @covers Nlm30CitationSchemaCitationAdapter
  */
 public function testNlm30CitationSchemaCitationAdapter()
 {
     // Test constructor.
     $adapter = new Nlm30CitationSchemaCitationAdapter(PersistableFilter::tempGroup('metadata::lib.pkp.plugins.metadata.nlm30.schema.Nlm30CitationSchema(CITATION)', 'class::lib.pkp.classes.citation.Citation'));
     self::assertEquals(ASSOC_TYPE_CITATION, $adapter->getAssocType());
     self::assertType('Nlm30CitationSchema', $adapter->getMetadataSchema());
     self::assertEquals('Citation', $adapter->getDataObjectClass());
     // Instantiate a test description.
     $authorDescription = new MetadataDescription('lib.pkp.plugins.metadata.nlm30.schema.Nlm30NameSchema', ASSOC_TYPE_AUTHOR);
     $authorDescription->addStatement('surname', $surname = 'some surname');
     $citationDescription = new MetadataDescription('lib.pkp.plugins.metadata.nlm30.schema.Nlm30CitationSchema', ASSOC_TYPE_CITATION);
     $citationDescription->addStatement('article-title', $articleTitle = 'article title');
     $citationDescription->addStatement('person-group[@person-group-type="author"]', $authorDescription);
     // Instantiate test citation.
     $citation = new Citation();
     // Test metadata injection.
     $resultCitation =& $adapter->injectMetadataIntoDataObject($citationDescription, $citation);
     $expectedResult = array('rawCitation' => '', 'nlm30:person-group[@person-group-type="author"]' => array(array('surname' => 'some surname')), 'nlm30:article-title' => array('en_US' => 'article title'));
     self::assertEquals($expectedResult, $resultCitation->getAllData());
     // Instantiate and inject a second test description.
     $authorDescription = new MetadataDescription('lib.pkp.plugins.metadata.nlm30.schema.Nlm30NameSchema', ASSOC_TYPE_AUTHOR);
     $authorDescription->addStatement('surname', $anotherSurname = 'another surname');
     $secondDescription = new MetadataDescription('lib.pkp.plugins.metadata.nlm30.schema.Nlm30CitationSchema', ASSOC_TYPE_CITATION);
     $secondDescription->addStatement('person-group[@person-group-type="author"]', $authorDescription);
     $secondDescription->addStatement('source', $source = 'some source');
     $resultCitation =& $adapter->injectMetadataIntoDataObject($secondDescription, $citation);
     $expectedResult = array('rawCitation' => '', 'nlm30:person-group[@person-group-type="author"]' => array(array('surname' => 'another surname')), 'nlm30:article-title' => array('en_US' => 'article title'), 'nlm30:source' => array('en_US' => 'some source'));
     self::assertEquals($expectedResult, $resultCitation->getAllData());
     // Test meta-data extraction.
     $adapter = new Nlm30CitationSchemaCitationAdapter(PersistableFilter::tempGroup('class::lib.pkp.classes.citation.Citation', 'metadata::lib.pkp.plugins.metadata.nlm30.schema.Nlm30CitationSchema(CITATION)'));
     $extractedDescription =& $adapter->extractMetadataFromDataObject($resultCitation);
     $secondDescription->addStatement('article-title', $articleTitle = 'article title');
     self::assertEquals($secondDescription, $extractedDescription);
 }

 /**
  * @covers PKPSubmissionNlm30XmlFilter
  */
 public function testExecute()
 {
     // Instantiate test meta-data for a citation.
     import('lib.pkp.classes.metadata.MetadataDescription');
     $nameSchemaName = 'lib.pkp.plugins.metadata.nlm30.schema.Nlm30NameSchema';
     $nameDescription = new MetadataDescription($nameSchemaName, ASSOC_TYPE_AUTHOR);
     $nameDescription->addStatement('given-names', $value = 'Peter');
     $nameDescription->addStatement('given-names', $value = 'B');
     $nameDescription->addStatement('surname', $value = 'Bork');
     $nameDescription->addStatement('prefix', $value = 'Mr.');
     $citationSchemaName = 'lib.pkp.plugins.metadata.nlm30.schema.Nlm30CitationSchema';
     $citationDescription = new MetadataDescription($citationSchemaName, ASSOC_TYPE_CITATION);
     $citationDescription->addStatement('person-group[@person-group-type="author"]', $nameDescription);
     $citationDescription->addStatement('article-title', $value = 'PHPUnit in a nutshell', 'en_US');
     $citationDescription->addStatement('date', $value = '2009-08-17');
     $citationDescription->addStatement('size', $value = 320);
     $citationDescription->addStatement('uri', $value = 'http://phpunit.org/nutshell');
     $citationDescription->addStatement('[@publication-type]', $value = 'book');
     $citation =& $this->getCitation($citationDescription);
     // Persist a few copies of the citation for testing.
     $citationDao =& $this->getCitationDao();
     for ($seq = 1; $seq <= 10; $seq++) {
         $citation->setSeq($seq);
         $citation->setCitationState(CITATION_APPROVED);
         $citationId = $citationDao->insertObject($citation);
         self::assertTrue(is_numeric($citationId));
         self::assertTrue($citationId > 0);
     }
     // Execute the filter and check the outcome.
     $mockSubmission =& $this->getTestSubmission();
     // FIXME: Add NLM 3.0 tag set schema validation as soon as we implement the full tag set, see #5648.
     $filter = new PKPSubmissionNlm30XmlFilter(PersistableFilter::tempGroup('class::lib.pkp.classes.submission.Submission', 'xml::*'));
     $nlm30Xml = $filter->execute($mockSubmission);
     self::assertXmlStringEqualsXmlFile('./lib/pkp/tests/plugins/metadata/nlm30/filter/sample-nlm30-citation.xml', $nlm30Xml);
 }

 /**
  * @covers Nlm30NameSchemaPersonStringFilter
  * @covers Nlm30PersonStringFilter
  * @depends testExecuteWithSinglePersonDescription
  */
 public function testExecuteWithMultiplePersonDescriptions($personDescription1)
 {
     $personDescription2 = new MetadataDescription('lib.pkp.plugins.metadata.nlm30.schema.Nlm30NameSchema', ASSOC_TYPE_AUTHOR);
     $personDescription2->addStatement('given-names', $givenNames1 = 'Bernardo');
     $personDescription2->addStatement('given-names', $givenNames2 = 'Antonio');
     $personDescription2->addStatement('surname', $surname = 'Elis');
     $personDescriptions = array($personDescription1, $personDescription2, PERSON_STRING_FILTER_ETAL);
     $nlm30NameSchemaPersonStringFilter = new Nlm30NameSchemaPersonStringFilter(PERSON_STRING_FILTER_MULTIPLE);
     self::assertEquals('Assis Jr, (Machado) de; Elis, A. (Bernardo); et al', $nlm30NameSchemaPersonStringFilter->execute($personDescriptions));
     // Test template and delimiter
     $nlm30NameSchemaPersonStringFilter->setDelimiter(':');
     $nlm30NameSchemaPersonStringFilter->setTemplate('%firstname%%initials%%prefix% %surname%%suffix%');
     self::assertEquals('Machado de Assis Jr:Bernardo A. Elis:et al', $nlm30NameSchemaPersonStringFilter->execute($personDescriptions));
 }

 public function testCitationCrud()
 {
     $nameSchema = new NlmNameSchema();
     $nameDescription = new MetadataDescription($nameSchema, ASSOC_TYPE_AUTHOR);
     $nameDescription->addStatement('given-names', $value = 'Peter');
     $nameDescription->addStatement('given-names', $value = 'B');
     $nameDescription->addStatement('surname', $value = 'Bork');
     $nameDescription->addStatement('prefix', $value = 'Mr.');
     $citationSchema = new NlmCitationSchema();
     $citationDescription = new MetadataDescription($citationSchema, ASSOC_TYPE_CITATION);
     $citationDescription->addStatement('person-group[@person-group-type="author"]', $nameDescription);
     $citationDescription->addStatement('article-title', $value = 'PHPUnit in a nutshell', 'en_US');
     $citationDescription->addStatement('article-title', $value = 'PHPUnit in Kürze', 'de_DE');
     $citationDescription->addStatement('date', $value = '2009-08-17');
     $citationDescription->addStatement('size', $value = 320);
     $citationDescription->addStatement('uri', $value = 'http://phpunit.org/nutshell');
     $citation = new Citation('raw citation');
     $citation->setAssocType(ASSOC_TYPE_ARTICLE);
     $citation->setAssocId(5);
     $citation->setEditedCitation('edited citation');
     $citation->setParseScore(50);
     $citation->injectMetadata($citationDescription);
     $citationId = $this->citationDAO->insertCitation($citation);
     self::assertTrue(is_numeric($citationId));
     self::assertTrue($citationId > 0);
 }

 /**
  * @covers NlmNameSchemaPersonStringFilter::supports
  * @covers NlmNameSchemaPersonStringFilter::execute
  * @covers NlmNameSchemaPersonStringFilter::isValid
  * @covers NlmNameSchemaPersonStringFilter::_flattenPersonsDescriptions
  * @depends testExecuteWithSinglePersonDescription
  */
 public function testExecuteWithMultiplePersonDescriptions($personDescription1)
 {
     $nlmNameSchema = new NlmNameSchema();
     $personDescription2 = new MetadataDescription($nlmNameSchema, ASSOC_TYPE_AUTHOR);
     $personDescription2->addStatement('given-names', $givenNames1 = 'Bernardo');
     $personDescription2->addStatement('given-names', $givenNames2 = 'Antonio');
     $personDescription2->addStatement('surname', $surname = 'Elis');
     $personDescriptions = array($personDescription1, $personDescription2);
     $this->_nlmNameSchemaPersonStringFilter->setFilterMode(PERSON_STRING_FILTER_MULTIPLE);
     self::assertEquals('Assis Jr, (Machado) de; Elis, A. (Bernardo)', $this->_nlmNameSchemaPersonStringFilter->execute($personDescriptions));
     // Test template and delimiter
     $this->_nlmNameSchemaPersonStringFilter->setDelimiter(':');
     $this->_nlmNameSchemaPersonStringFilter->setTemplate('%firstname%%initials%%prefix% %surname%%suffix%');
     self::assertEquals('Machado de Assis Jr:Bernardo A. Elis', $this->_nlmNameSchemaPersonStringFilter->execute($personDescriptions));
 }

 public function testCitationCrud()
 {
     $nameSchema = new NlmNameSchema();
     $nameDescription = new MetadataDescription($nameSchema, ASSOC_TYPE_AUTHOR);
     $nameDescription->addStatement('given-names', $value = 'Peter');
     $nameDescription->addStatement('given-names', $value = 'B');
     $nameDescription->addStatement('surname', $value = 'Bork');
     $nameDescription->addStatement('prefix', $value = 'Mr.');
     $citationSchema = new NlmCitationSchema();
     $citationDescription = new MetadataDescription($citationSchema, ASSOC_TYPE_CITATION);
     $citationDescription->addStatement('person-group[@person-group-type="author"]', $nameDescription);
     $citationDescription->addStatement('article-title', $value = 'PHPUnit in a nutshell', 'en_US');
     $citationDescription->addStatement('article-title', $value = 'PHPUnit in Kürze', 'de_DE');
     $citationDescription->addStatement('date', $value = '2009-08-17');
     $citationDescription->addStatement('size', $value = 320);
     $citationDescription->addStatement('uri', $value = 'http://phpunit.org/nutshell');
     $citation = new Citation('raw citation');
     $citation->setAssocType(ASSOC_TYPE_ARTICLE);
     $citation->setAssocId(999999);
     $citation->setEditedCitation('edited citation');
     $citation->setParseScore(50);
     $citation->injectMetadata($citationDescription);
     // Create citation
     $citationId = $this->citationDAO->insertCitation($citation);
     self::assertTrue(is_numeric($citationId));
     self::assertTrue($citationId > 0);
     // Retrieve citation
     $citationById = $this->citationDAO->getCitation($citationId);
     $citationById->getMetadataFieldNames();
     // Initializes internal state for comparison.
     self::assertEquals($citation, $citationById);
     $citationsByAssocIdDaoFactory = $this->citationDAO->getCitationsByAssocId(ASSOC_TYPE_ARTICLE, 999999);
     $citationsByAssocId = $citationsByAssocIdDaoFactory->toArray();
     self::assertEquals(1, count($citationsByAssocId));
     $citationsByAssocId[0]->getMetadataFieldNames();
     // Initializes internal state for comparison.
     self::assertEquals($citation, $citationsByAssocId[0]);
     // Update citation
     $citationDescription->removeStatement('date');
     $citationDescription->addStatement('article-title', $value = 'PHPUnit rápido', 'pt_BR');
     $updatedCitation = new Citation('another raw citation');
     $updatedCitation->setId($citationId);
     $updatedCitation->setAssocType(ASSOC_TYPE_ARTICLE);
     $updatedCitation->setAssocId(999998);
     $updatedCitation->setEditedCitation('another edited citation');
     $updatedCitation->setParseScore(50);
     $updatedCitation->injectMetadata($citationDescription);
     $this->citationDAO->updateCitation($updatedCitation);
     $citationAfterUpdate = $this->citationDAO->getCitation($citationId);
     $citationAfterUpdate->getMetadataFieldNames();
     // Initializes internal state for comparison.
     self::assertEquals($updatedCitation, $citationAfterUpdate);
     // Delete citation
     $this->citationDAO->deleteCitationsByAssocId(ASSOC_TYPE_ARTICLE, 999998);
     self::assertNull($this->citationDAO->getCitation($citationId));
 }

 /**
  * This implementation of the CrosswalkFilter
  * simply removes statements from the incoming meta-data
  * description that are not in the target description's schema.
  * @see Filter::process()
  * @param $input MetadataDescription
  * @return MetadataDescription
  */
 function &process(&$input)
 {
     // Create the target description
     $output = new MetadataDescription($this->_toSchema);
     // Compare the property names of the incoming description with
     // the property names allowed in the target schema.
     $sourceProperties = $input->getSetPropertyNames();
     $targetProperties = $output->getPropertyNames();
     $propertiesToBeRemoved = array_diff($sourceProperties, $targetProperties);
     // Remove statements for properties that are not in the target schema.
     $statements =& $input->getStatements();
     foreach ($propertiesToBeRemoved as $propertyToBeRemoved) {
         assert(isset($statements[$propertyToBeRemoved]));
         unset($statements[$propertyToBeRemoved]);
     }
     // Set the remaining statements in the target description
     $success = $output->setStatements($statements);
     assert($success);
     return $output;
 }

 /**
  * Map OpenURL properties to NLM properties.
  * NB: OpenURL has no i18n so we use the default
  * locale when mapping.
  * @see Filter::process()
  * @param $input MetadataDescription
  * @return MetadataDescription
  */
 function &process(&$input)
 {
     $nullVar = null;
     // Instantiate the target description.
     $outputSchema = new NlmCitationSchema();
     $output = new MetadataDescription($outputSchema, $input->getAssocType());
     // Parse au statements into name descriptions
     import('metadata.nlm.PersonStringNlmNameSchemaFilter');
     $personStringFilter = new PersonStringNlmNameSchemaFilter(ASSOC_TYPE_AUTHOR);
     $authors =& $input->getStatement('au');
     if (is_array($authors) && count($authors)) {
         // TODO: We might improve results here by constructing the
         // first author from aufirst, aulast fields.
         foreach ($authors as $author) {
             $authorDescription =& $personStringFilter->execute($author);
             $success = $output->addStatement('person-group[@person-group-type="author"]', $authorDescription);
             assert($success);
             unset($authorDescription);
         }
     }
     // Publication type
     if ($input->hasStatement('genre')) {
         $genre = $input->getStatement('genre');
         $genreMap = $this->_getOpenUrlGenreTranslationMapping();
         $publicationType = isset($genreMap[$genre]) ? $genreMap[$genre] : $genre;
         $success = $output->addStatement('[@publication-type]', $publicationType);
         assert($success);
     }
     // Get NLM => OpenURL property mapping.
     $propertyMap =& $this->nlmOpenUrlMapping($publicationType, $input->getMetadataSchema());
     // Transfer mapped properties with default locale
     foreach ($propertyMap as $nlmProperty => $openUrlProperty) {
         if ($input->hasStatement($openUrlProperty)) {
             $success = $output->addStatement($nlmProperty, $input->getStatement($openUrlProperty));
             assert($success);
         }
     }
     return $output;
 }

 /**
  * Custom implementation of Form::validate() that validates
  * meta-data form data and injects it into the internal citation
  * object.
  *
  * NB: The configuration of the internal citation object
  * would normally be done in readInputData(). Validation and
  * injection can easily be done in one step. It therefore avoids
  * code duplication and improves performance to do both here.
  */
 function validate()
 {
     // Make sure that this method is not called twice which
     // would corrupt internal state.
     assert(empty($this->_metadataDescriptions));
     parent::validate();
     // Validate form data and inject it into
     // the associated citation object.
     $citation =& $this->getCitation();
     $citation->setRawCitation($this->getData('rawCitation'));
     if ($this->getData('citationApproved') == 'citationApproved') {
         // Editor's shortcut to the approved state, e.g. for manually edited citations.
         $citation->setCitationState(CITATION_APPROVED);
     } elseif (in_array($this->getData('citationState'), Citation::_getSupportedCitationStates())) {
         // Reset citation state if necessary
         if ($this->getData('citationState') == CITATION_APPROVED) {
             $this->setData('citationState', CITATION_LOOKED_UP);
         }
         $citation->setCitationState($this->getData('citationState'));
     }
     // Extract data from citation form fields and inject it into the citation
     import('lib.pkp.classes.metadata.MetadataDescription');
     $metadataSchemas = $citation->getSupportedMetadataSchemas();
     foreach ($metadataSchemas as $metadataSchema) {
         /* @var $metadataSchema MetadataSchema */
         // Instantiate a meta-data description for the given schema
         $metadataDescription = new MetadataDescription($metadataSchema->getClassName(), ASSOC_TYPE_CITATION);
         // Set the meta-data statements
         foreach ($metadataSchema->getProperties() as $propertyName => $property) {
             $fieldName = $metadataSchema->getNamespacedPropertyId($propertyName);
             $fieldValue = trim($this->getData($fieldName));
             if (empty($fieldValue)) {
                 // Delete empty statements so that previously set
                 // statements (if any) will be deleted.
                 $metadataDescription->removeStatement($propertyName);
                 if ($property->getMandatory()) {
                     // A mandatory field is missing - add a validation error.
                     $this->addError($fieldName, __($property->getValidationMessage()));
                     $this->addErrorField($fieldName);
                 }
             } else {
                 // Try to convert the field value to (a) strongly
                 // typed object(s) if applicable. Start with the most
                 // specific allowed type so that we always get the
                 // most strongly typed result possible.
                 $allowedTypes = $property->getAllowedTypes();
                 switch (true) {
                     case isset($allowedTypes[METADATA_PROPERTY_TYPE_VOCABULARY]) && is_numeric($fieldValue):
                     case isset($allowedTypes[METADATA_PROPERTY_TYPE_INTEGER]) && is_numeric($fieldValue):
                         $typedFieldValues = array((int) $fieldValue);
                         break;
                     case isset($allowedTypes[METADATA_PROPERTY_TYPE_DATE]):
                         import('lib.pkp.classes.metadata.DateStringNormalizerFilter');
                         $dateStringFilter = new DateStringNormalizerFilter();
                         assert($dateStringFilter->supportsAsInput($fieldValue));
                         $typedFieldValues = array($dateStringFilter->execute($fieldValue));
                         break;
                     case isset($allowedTypes[METADATA_PROPERTY_TYPE_COMPOSITE]):
                         // We currently only support name composites
                         $allowedAssocIds = $allowedTypes[METADATA_PROPERTY_TYPE_COMPOSITE];
                         if (in_array(ASSOC_TYPE_AUTHOR, $allowedAssocIds)) {
                             $assocType = ASSOC_TYPE_AUTHOR;
                         } elseif (in_array(ASSOC_TYPE_EDITOR, $allowedAssocIds)) {
                             $assocType = ASSOC_TYPE_EDITOR;
                         } else {
                             assert(false);
                         }
                         // Try to transform the field to a name composite.
                         import('lib.pkp.plugins.metadata.nlm30.filter.PersonStringNlm30NameSchemaFilter');
                         $personStringFilter = new PersonStringNlm30NameSchemaFilter($assocType, PERSON_STRING_FILTER_MULTIPLE);
                         assert($personStringFilter->supportsAsInput($fieldValue));
                         $typedFieldValues =& $personStringFilter->execute($fieldValue);
                         break;
                     default:
                         $typedFieldValues = array($fieldValue);
                 }
                 // Inject data into the meta-data description and thereby
                 // implicitly validate the field value.
                 foreach ($typedFieldValues as $typedFieldValue) {
                     if (!$metadataDescription->addStatement($propertyName, $typedFieldValue)) {
                         // Add form field error
                         $this->addError($fieldName, __($property->getValidationMessage()));
                         $this->addErrorField($fieldName);
                     }
                     unset($typedFieldValue);
                 }
                 unset($typedFieldValues);
             }
         }
         // Inject the meta-data into the citation.
//.........这里部分代码省略.........

 /**
  * @covers Nlm30Nlm23CrosswalkFilter
  */
 public function testExecute()
 {
     $this->markTestSkipped('Weird class interaction with ControlledVocabEntryDAO leads to failure');
     // Instantiate test meta-data for a citation. This must use the complete
     // available schema (although in practice this doesn't make sense) so that
     // we can make sure all tags are correctly converted.
     import('lib.pkp.classes.metadata.MetadataDescription');
     $nameSchemaName = 'lib.pkp.plugins.metadata.nlm30.schema.Nlm30NameSchema';
     $nameDescription = new MetadataDescription($nameSchemaName, ASSOC_TYPE_AUTHOR);
     $nameDescription->addStatement('given-names', $value = 'Peter');
     $nameDescription->addStatement('given-names', $value = 'B');
     $nameDescription->addStatement('surname', $value = 'Bork');
     $nameDescription->addStatement('prefix', $value = 'Mr.');
     $nameDescription->addStatement('suffix', $value = 'Jr');
     $citationSchemaName = 'lib.pkp.plugins.metadata.nlm30.schema.Nlm30CitationSchema';
     $citationDescription = new MetadataDescription($citationSchemaName, ASSOC_TYPE_CITATION);
     $citationDescription->addStatement('person-group[@person-group-type="author"]', $nameDescription);
     $citationDescription->addStatement('person-group[@person-group-type="editor"]', $nameDescription);
     $citationDescription->addStatement('article-title', $value = 'PHPUnit in a nutshell', 'en_US');
     $citationDescription->addStatement('source', $value = 'PHPUnit in a nutshell', 'en_US');
     $citationDescription->addStatement('date', $value = '2009-08-17');
     $citationDescription->addStatement('date-in-citation[@content-type="access-date"]', $value = '2009-08');
     $citationDescription->addStatement('issue', $value = 5);
     $citationDescription->addStatement('volume', $value = 6);
     $citationDescription->addStatement('season', $value = 'Summer');
     $citationDescription->addStatement('chapter-title', $value = 'Introduction');
     $citationDescription->addStatement('edition', $value = '2nd edition');
     $citationDescription->addStatement('series', $value = 7);
     $citationDescription->addStatement('supplement', $value = 'Summer Special');
     $citationDescription->addStatement('conf-date', $value = '2009-08-17');
     $citationDescription->addStatement('conf-loc', $value = 'Helsinki');
     $citationDescription->addStatement('conf-name', $value = 'PHPUnit Hackfest');
     $citationDescription->addStatement('conf-sponsor', $value = 'Basti himself');
     $citationDescription->addStatement('institution', $value = 'PKP');
     $citationDescription->addStatement('fpage', $value = 9);
     $citationDescription->addStatement('lpage', $value = 312);
     $citationDescription->addStatement('size', $value = 320);
     $citationDescription->addStatement('publisher-loc', $value = 'Vancouver');
     $citationDescription->addStatement('publisher-name', $value = 'SFU');
     $citationDescription->addStatement('isbn', $value = '123456789');
     $citationDescription->addStatement('issn[@pub-type="ppub"]', $value = '987654321');
     $citationDescription->addStatement('issn[@pub-type="epub"]', $value = '111111111');
     $citationDescription->addStatement('pub-id[@pub-id-type="doi"]', $value = '10420/39406');
     $citationDescription->addStatement('pub-id[@pub-id-type="publisher-id"]', $value = 'xyz');
     $citationDescription->addStatement('pub-id[@pub-id-type="coden"]', $value = 'abc');
     $citationDescription->addStatement('pub-id[@pub-id-type="sici"]', $value = 'def');
     $citationDescription->addStatement('pub-id[@pub-id-type="pmid"]', $value = '999999');
     $citationDescription->addStatement('uri', $value = 'http://phpunit.org/nutshell');
     $citationDescription->addStatement('comment', $value = 'just nonsense');
     $citationDescription->addStatement('annotation', $value = 'more nonsense');
     $citationDescription->addStatement('[@publication-type]', $value = 'conf-proc');
     $citation =& $this->getCitation($citationDescription);
     // Persist one copy of the citation for testing.
     $citationDao =& $this->getCitationDao();
     $citation->setSeq(1);
     $citation->setCitationState(CITATION_APPROVED);
     $citationId = $citationDao->insertObject($citation);
     self::assertTrue(is_numeric($citationId));
     self::assertTrue($citationId > 0);
     // Construct the expected output.
     $expectedOutput = '';
     // Prepare NLM 3.0 input.
     $mockSubmission =& $this->getTestSubmission();
     import('lib.pkp.plugins.metadata.nlm30.filter.PKPSubmissionNlm30XmlFilter');
     $nlm30Filter = new PKPSubmissionNlm30XmlFilter(PersistableFilter::tempGroup('class::lib.pkp.classes.submission.Submission', 'xml::*'));
     $nlm30Xml = $nlm30Filter->execute($mockSubmission);
     // Test the downgrade filter.
     import('lib.pkp.classes.xslt.XSLTransformationFilter');
     // FIXME: Add NLM 2.3 and 3.0 tag set schema validation as soon as we implement the full tag set, see #5648.
     $downgradeFilter = new XSLTransformationFilter(PersistableFilter::tempGroup('xml::*', 'xml::*'), 'NLM 3.0 to 2.3 ref-list downgrade');
     $downgradeFilter->setXSLFilename('lib/pkp/plugins/metadata/nlm30/filter/nlm30-to-23-ref-list.xsl');
     $nlm30Xml = $downgradeFilter->execute($nlm30Xml);
     self::assertXmlStringEqualsXmlFile('./lib/pkp/tests/plugins/metadata/nlm30/filter/sample-nlm23-citation.xml', $nlm30Xml);
 }

 /**
  * @copydoc MetadataDataObjectAdapter::extractMetadataFromDataObject()
  * @param $dataObject Citation
  * @return MetadataDescription
  */
 function extractMetadataFromDataObject(&$dataObject)
 {
     $metadataDescription = $this->instantiateMetadataDescription();
     // Establish the association between the meta-data description
     // and the citation object.
     $metadataDescription->setAssocId($dataObject->getId());
     // Identify the length of the name space prefix
     $namespacePrefixLength = strlen($this->getMetadataNamespace()) + 1;
     // Get all meta-data field names
     $fieldNames = array_merge($this->getDataObjectMetadataFieldNames(false), $this->getDataObjectMetadataFieldNames(true));
     // Retrieve the statements from the data object
     $statements = array();
     foreach ($fieldNames as $fieldName) {
         if ($dataObject->hasData($fieldName)) {
             // Remove the name space prefix
             $propertyName = substr($fieldName, $namespacePrefixLength);
             if (in_array($propertyName, array('person-group[@person-group-type="author"]', 'person-group[@person-group-type="editor"]'))) {
                 // Retrieve the names array (must not be by-ref
                 // to protect the original citation object!)
                 $names = $dataObject->getData($fieldName);
                 // Convert key/value arrays to MetadataDescription objects.
                 foreach ($names as $key => $name) {
                     if (is_array($name)) {
                         // Construct a meta-data description from
                         // this name array.
                         switch ($propertyName) {
                             case 'person-group[@person-group-type="author"]':
                                 $assocType = ASSOC_TYPE_AUTHOR;
                                 break;
                             case 'person-group[@person-group-type="editor"]':
                                 $assocType = ASSOC_TYPE_EDITOR;
                                 break;
                         }
                         $nameDescription = new MetadataDescription('lib.pkp.plugins.metadata.nlm30.schema.Nlm30NameSchema', $assocType);
                         $nameDescription->setStatements($name);
                         $names[$key] =& $nameDescription;
                         unset($nameDescription);
                     } else {
                         // The only non-structured data allowed here
                         // is the et-al string.
                         import('lib.pkp.plugins.metadata.nlm30.filter.Nlm30PersonStringFilter');
                         assert($name == PERSON_STRING_FILTER_ETAL);
                     }
                 }
                 $statements[$propertyName] =& $names;
                 unset($names);
             } else {
                 $statements[$propertyName] =& $dataObject->getData($fieldName);
             }
         }
     }
     // Set the statements in the meta-data description
     $success = $metadataDescription->setStatements($statements);
     assert($success);
     return $metadataDescription;
 }

 public function testExecuteWithConferenceProceeding()
 {
     $this->markTestSkipped('Weird class interaction with ControlledVocabEntryDAO leads to failure');
     $nameSchemaName = 'lib.pkp.plugins.metadata.nlm30.schema.Nlm30NameSchema';
     $citationSchemaName = 'lib.pkp.plugins.metadata.nlm30.schema.Nlm30CitationSchema';
     // An author
     $personDescription = new MetadataDescription($nameSchemaName, ASSOC_TYPE_AUTHOR);
     $personDescription->addStatement('surname', $surname = 'Liu');
     $personDescription->addStatement('given-names', $givenName = 'Sen');
     // A conference paper found on the web
     $citationDescription = new MetadataDescription($citationSchemaName, ASSOC_TYPE_CITATION);
     $citationDescription->addStatement('[@publication-type]', $pubType = NLM30_PUBLICATION_TYPE_CONFPROC);
     $citationDescription->addStatement('person-group[@person-group-type="author"]', $personDescription);
     $citationDescription->addStatement('article-title', $articleTitle = 'Defending against business crises with the help of intelligent agent based early warning solutions');
     $citationDescription->addStatement('conf-name', $confName = 'The Seventh International Conference on Enterprise Information Systems');
     $citationDescription->addStatement('conf-loc', $confLoc = 'Miami, FL');
     $citationDescription->addStatement('date', $date = '2005-05');
     $citationDescription->addStatement('date-in-citation[@content-type="access-date"]', $accessDate = '2006-08-12');
     $citationDescription->addStatement('uri', $uri = 'http://www.iceis.org/iceis2005/abstracts_2005.htm');
     $citationOutputFilter = $this->getFilterInstance();
     $result = $citationOutputFilter->execute($citationDescription);
     $expectedResult = $this->getConfProcResult();
     self::assertEquals($expectedResult[0] . $this->getConfProcResultGoogleScholar() . $expectedResult[1], $result);
 }