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31 lines
1.7 KiB
Plaintext
31 lines
1.7 KiB
Plaintext
[[jackson]]
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= Jackson Support
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Spring Security provides Jackson support for persisting Spring Security-related classes.
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This can improve the performance of serializing Spring Security-related classes when working with distributed sessions (session replication, Spring Session, and so on).
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To use it, register the `SecurityJackson2Modules.getModules(ClassLoader)` with `ObjectMapper` (https://github.com/FasterXML/jackson-databind[jackson-databind]):
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[source,java]
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----
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ObjectMapper mapper = new ObjectMapper();
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ClassLoader loader = getClass().getClassLoader();
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List<Module> modules = SecurityJackson2Modules.getModules(loader);
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mapper.registerModules(modules);
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// ... use ObjectMapper as normally ...
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SecurityContext context = new SecurityContextImpl();
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// ...
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String json = mapper.writeValueAsString(context);
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----
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[NOTE]
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====
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The following Spring Security modules provide Jackson support:
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- spring-security-core ({security-api-url}org/springframework/security/jackson2/CoreJackson2Module.html[`CoreJackson2Module`])
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- spring-security-web ({security-api-url}org/springframework/security/web/jackson2/WebJackson2Module.html[`WebJackson2Module`], {security-api-url}org/springframework/security/web/jackson2/WebServletJackson2Module.html[`WebServletJackson2Module`], {security-api-url}org/springframework/security/web/server/jackson2/WebServerJackson2Module.html[`WebServerJackson2Module`])
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- <<oauth2client, spring-security-oauth2-client>> ({security-api-url}org/springframework/security/oauth2/client/jackson2/OAuth2ClientJackson2Module.html[`OAuth2ClientJackson2Module`])
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- spring-security-cas ({security-api-url}org/springframework/security/cas/jackson2/CasJackson2Module.html[`CasJackson2Module`])
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====
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