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UpdateLayout Null Pointer Exception : In case the layouts are null or the DSL is null, it should be handled gracefully.

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This commit is contained in:
Trisha Anand 2020-01-21 05:57:35 +00:00
parent c8ee68b7aa
commit de722fff4e
1 changed files with 22 additions and 5 deletions
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27
app/server/appsmith-server/src/main/java/com/appsmith/server/services/LayoutActionServiceImpl.java
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@ -71,8 +71,13 @@ public class LayoutActionServiceImpl implements LayoutActionService {
public Mono<Layout> updateLayout(String pageId, String layoutId, Layout layout) {
String dslString = "";
// Convert the DSL into a String
JSONObject dsl = layout.getDsl();
if (dsl == null) {
// There is no DSL here. No need to process anything. Return as is.
return Mono.just(layout);
}
// Convert the DSL into a String
try {
dslString = objectMapper.writeValueAsString(dsl);
} catch (JsonProcessingException e) {
@ -199,7 +204,12 @@ public class LayoutActionServiceImpl implements LayoutActionService {
.save(action)
.flatMap(savedAction -> pageService
.findById(oldPageId)
.map(page -> page.getLayouts()
.map(page -> {
if (page.getLayouts() == null) {
return Mono.empty();
}
return page.getLayouts()
.stream()
/*
* subscribe() is being used here because within a stream, the master subscriber provided
@ -207,12 +217,19 @@ public class LayoutActionServiceImpl implements LayoutActionService {
* emitting. The same is true for the updateLayout call for the new page.
*/
.map(layout -> updateLayout(oldPageId, layout.getId(), layout).subscribe())
.collect(toSet()))
.collect(toSet());
})
.then(pageService.findById(actionMoveDTO.getDestinationPageId()))
.map(page -> page.getLayouts()
.map(page -> {
if (page.getLayouts() == null) {
return Mono.empty();
}
return page.getLayouts()
.stream()
.map(layout -> updateLayout(actionMoveDTO.getDestinationPageId(), layout.getId(), layout).subscribe())
.collect(toSet()))
.collect(toSet());
})
.thenReturn(savedAction));
}