diff --git a/dspace-api/src/main/java/org/dspace/importer/external/crossref/CrossRefImportMetadataSourceServiceImpl.java b/dspace-api/src/main/java/org/dspace/importer/external/crossref/CrossRefImportMetadataSourceServiceImpl.java index 7dde330b27e..71b088ff162 100644 --- a/dspace-api/src/main/java/org/dspace/importer/external/crossref/CrossRefImportMetadataSourceServiceImpl.java +++ b/dspace-api/src/main/java/org/dspace/importer/external/crossref/CrossRefImportMetadataSourceServiceImpl.java @@ -162,7 +162,9 @@ public List call() throws Exception { Iterator nodes = jsonNode.at("/message/items").iterator(); while (nodes.hasNext()) { JsonNode node = nodes.next(); - results.add(transformSourceRecords(node.toString())); + if (!node.isMissingNode()) { + results.add(transformSourceRecords(node.toString())); + } } return results; } @@ -196,7 +198,9 @@ public List call() throws Exception { String responseString = liveImportClient.executeHttpGetRequest(1000, uriBuilder.toString(), params); JsonNode jsonNode = convertStringJsonToJsonNode(responseString); JsonNode messageNode = jsonNode.at("/message"); - results.add(transformSourceRecords(messageNode.toString())); + if (!messageNode.isMissingNode()) { + results.add(transformSourceRecords(messageNode.toString())); + } return results; } } @@ -250,7 +254,9 @@ public List call() throws Exception { Iterator nodes = jsonNode.at("/message/items").iterator(); while (nodes.hasNext()) { JsonNode node = nodes.next(); - results.add(transformSourceRecords(node.toString())); + if (!node.isMissingNode()) { + results.add(transformSourceRecords(node.toString())); + } } return results; } @@ -333,4 +339,4 @@ public void setUrl(String url) { this.url = url; } -} \ No newline at end of file +} diff --git a/dspace-server-webapp/src/test/java/org/dspace/app/rest/CrossRefImportMetadataSourceServiceIT.java b/dspace-server-webapp/src/test/java/org/dspace/app/rest/CrossRefImportMetadataSourceServiceIT.java index 72524709ec6..31c22692f00 100644 --- a/dspace-server-webapp/src/test/java/org/dspace/app/rest/CrossRefImportMetadataSourceServiceIT.java +++ b/dspace-server-webapp/src/test/java/org/dspace/app/rest/CrossRefImportMetadataSourceServiceIT.java @@ -48,6 +48,24 @@ public class CrossRefImportMetadataSourceServiceIT extends AbstractLiveImportInt @Autowired private CrossRefImportMetadataSourceServiceImpl crossRefServiceImpl; + @Test + public void crossRefImportMetadataGetNoRecordsTest() throws Exception { + context.turnOffAuthorisationSystem(); + CloseableHttpClient originalHttpClient = liveImportClientImpl.getHttpClient(); + CloseableHttpClient httpClient = Mockito.mock(CloseableHttpClient.class); + try { + liveImportClientImpl.setHttpClient(httpClient); + CloseableHttpResponse response = mockResponse("" , 404, "Not Found"); + when(httpClient.execute(ArgumentMatchers.any())).thenReturn(response); + + context.restoreAuthSystemState(); + Collection recordsImported = crossRefServiceImpl.getRecords("test query", 0, 2); + assertEquals(0, recordsImported.size()); + } finally { + liveImportClientImpl.setHttpClient(originalHttpClient); + } + } + @Test public void crossRefImportMetadataGetRecordsTest() throws Exception { context.turnOffAuthorisationSystem();