On Tue, 7 Sep 2021 12:27:09 GMT, Masanori Yano <my...@openjdk.org> wrote:

>> Could you please review the 8248001 bug fixes?
>> 
>> The problem is that javadoc generates invalid HTML pages whose ftp:// links 
>> are broken. The fix changes not to use protocol names directly, but to use 
>> regular expression.
>
> Masanori Yano has updated the pull request with a new target base due to a 
> merge or a rebase. The incremental webrev excludes the unrelated changes 
> brought in by the merge/rebase. The pull request contains five additional 
> commits since the last revision:
> 
>  - 8248001: javadoc generates invalid HTML pages whose ftp:// links are broken
>  - Merge branch 'master' of https://github.com/masyano/jdk into 8248001
>  - 8248001: javadoc generates invalid HTML pages whose ftp:// links are broken
>  - 8248001: javadoc generates invalid HTML pages whose ftp:// links are broken
>  - 8248001: javadoc generates invalid HTML pages whose ftp:// links are broken

src/jdk.javadoc/share/classes/jdk/javadoc/internal/doclets/formats/html/HtmlDocletWriter.java
 line 1706:

> 1704:                 || lower.startsWith("https:")
> 1705:                 || lower.startsWith("file:")
> 1706:                 || lower.startsWith("ftp:")) {

Adding `ftp:` is OK, but given that the method is about modifying relative 
URLs, a reasonable/preferable alternative would be to use `URI.isAbsolute`

If a `URISyntaxException` occurs while creating the URI, I would suggest it 
should simply `return text` and not try and modify the text.

-------------

PR: https://git.openjdk.java.net/jdk/pull/5198

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