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8245582: j.net.URLConnection::getHeaderFieldKey(int) behavior does not reliably conform to its specification

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Reviewed-by: chegar, dfuchs
This commit is contained in:
Michael McMahon 2020-05-26 21:29:33 +01:00
parent aabcf9f792
commit 5374383dcd
1 changed files with 5 additions and 2 deletions
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7
src/java.base/share/classes/java/net/URLConnection.java
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@ -667,12 +667,15 @@ public abstract class URLConnection {
/**
* Returns the key for the {@code n}<sup>th</sup> header field.
* It returns {@code null} if there are fewer than {@code n+1} fields.
* Some implementations may treat the {@code 0}<sup>th</sup>
* header field as special, in which case, {@link #getHeaderField(int) getHeaderField(0)}
* may return some value, but {@code getHeaderFieldKey(0)} returns {@code null}.
* For {@code n > 0 } it returns {@code null} if there are fewer than {@code n+1} fields.
*
* @param n an index, where {@code n>=0}
* @return the key for the {@code n}<sup>th</sup> header field,
* or {@code null} if there are fewer than {@code n+1}
* fields.
* fields when {@code n > 0}.
*/
public String getHeaderFieldKey(int n) {
return null;