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Use Reader.transferTo in FileCopyUtils #36196

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Use Reader.transferTo in FileCopyUtils #36196

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8 changes: 1 addition & 7 deletions spring-core/src/main/java/org/springframework/util/FileCopyUtils.java
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Original file line number Diff line number Diff line change
Expand Up @@ -168,13 +168,7 @@ public static int copy(Reader in, Writer out) throws IOException {
Assert.notNull(out, "No Writer specified");

try {
int charCount = 0;
char[] buffer = new char[BUFFER_SIZE];
int charsRead;
while ((charsRead = in.read(buffer)) != -1) {
out.write(buffer, 0, charsRead);
charCount += charsRead;
}
int charCount = (int) in.transferTo(out);
out.flush();
return charCount;
}
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