SpringCloud/spring-cloud-function
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avoid Supplier NPE

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markfisher
2017-03-13 13:38:37 -04:00
parent da013c1015
commit 98c2ca76f5
1 changed files with 3 additions and 0 deletions
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3
spring-cloud-function-web/src/main/java/org/springframework/cloud/function/web/FunctionController.java
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@@ -76,6 +76,9 @@ public class FunctionController {
@SuppressWarnings({ "unchecked", "rawtypes" }) @SuppressWarnings({ "unchecked", "rawtypes" })
public Flux<String> supplier(@PathVariable String name) { public Flux<String> supplier(@PathVariable String name) {
Supplier<Object> supplier = functions.lookupSupplier(name); Supplier<Object> supplier = functions.lookupSupplier(name);
if (supplier == null) {
throw new IllegalArgumentException("no such supplier: " + name);
}
if (!FunctionUtils.isFluxSupplier(supplier)) { if (!FunctionUtils.isFluxSupplier(supplier)) {
supplier = new FluxSupplier(supplier); supplier = new FluxSupplier(supplier);
} }