How can i use % with RestTemplate

user_13021900 0
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I am trying to make a HTTP request to a API with a route like this:

https://example.test/{ID}/get

The problem is, the ID starts with %, something like "%123123123", after the "excute" method, locate in RestTemplate class, this ID's becomes %25123123123, % changes into %25. More specific, in this line of the method:

URI expanded = getUriTemplateHandler().expand(url, uriVariables);

Here my uriVariables is just a empty Object, and when i manually change the value of expanded variable removing "25", the request works just fine.

Anyone knows how to fix it ?

resttemplate spring-boot java
1 Answers

After Spring 5, the DefaultUriBuilderFactory, used by RestTemplate, defaults is EncodingMode.URI_COMPONENT, as described below:

Expand URI variables first, and then encode the resulting URI component values, replacing only non-ASCII and illegal (within a given URI component type) characters, but not characters with reserved meaning.

If you want your URI to be unencoded like I do, just create a new DefaultUriBuilderFactory with EncodingMode.NONE and add it to your RestTemplate:

DefaultUriBuilderFactory uriBuilderFactory = new DefaultUriBuilderFactory();
uriBuilderFactory.setEncodingMode(DefaultUriBuilderFactory.EncodingMode.NONE);
RestTemplate restTemplate = new RestTemplate();
restTemplate.setUriTemplateHandler(uriBuilderFactory);

You can check here for other EncondingModes.

user_130219000
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