Replace only part of the URL host with java

Replace only the host and port numbers that are part of the URL in java. Here's how to use spring's UriComponentsBuilder.

Source code

Almost a copy of Specify the original URL in UriComponentsBuilder and then replace it with a method such as `` `host```.

import org.springframework.web.util.UriComponentsBuilder;

        String url = "http://localhost:8080/example?param=hoge";

        UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(url);
        String url2 ="hoge-host").toUriString();

        System.out.println(url2);// http://hoge-host:8080/example?param=hoge

Reference URL

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