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[IO-776] Fix parameters to requireNonNull call #368

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[IO-776] Fix parameters to requireNonNull call #368

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Fix parameters to requireNonNull call. 
Currently, the call checks that the literal string `"prefix"` is
non-null, which of course it is :)
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@cpovirk
cpovirk committed Jul 20, 2022
commit d991bed2525d2be8aa60dcc03d5877a32dc474a7
2 changes: 1 addition & 1 deletion src/main/java/org/apache/commons/io/output/DeferredFileOutputStream.java
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Original file line number Diff line number Diff line change
Expand Up @@ -141,7 +141,7 @@ public DeferredFileOutputStream(final int threshold, final int initialBufferSize
public DeferredFileOutputStream(final int threshold, final int initialBufferSize, final String prefix,
final String suffix, final File directory) {
this(threshold, null, prefix, suffix, directory, initialBufferSize);
Objects.requireNonNull("prefix", prefix);
Objects.requireNonNull(prefix, "prefix");
if (initialBufferSize < 0) {
throw new IllegalArgumentException("Initial buffer size must be at least 0.");
}
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