From 82de22618ef0e95450ce43fa519ed1203d256674 Mon Sep 17 00:00:00 2001
From: Vitaly Takmazov
Date: Wed, 24 Oct 2018 01:07:30 +0300
Subject: ActivityPub: cache requests

---
 .../configuration/ActivityPubClientConfig.java     | 40 ++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 juick-server/src/main/java/com/juick/server/configuration/ActivityPubClientConfig.java

(limited to 'juick-server/src/main/java/com/juick/server/configuration')

diff --git a/juick-server/src/main/java/com/juick/server/configuration/ActivityPubClientConfig.java b/juick-server/src/main/java/com/juick/server/configuration/ActivityPubClientConfig.java
new file mode 100644
index 00000000..b7762221
--- /dev/null
+++ b/juick-server/src/main/java/com/juick/server/configuration/ActivityPubClientConfig.java
@@ -0,0 +1,40 @@
+package com.juick.server.configuration;
+
+import org.apache.http.client.HttpClient;
+import org.apache.http.impl.client.cache.CacheConfig;
+import org.apache.http.impl.client.cache.CachingHttpClientBuilder;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.http.client.BufferingClientHttpRequestFactory;
+import org.springframework.http.client.HttpComponentsClientHttpRequestFactory;
+import org.springframework.http.client.SimpleClientHttpRequestFactory;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class ActivityPubClientConfig {
+    @Bean
+    public RestTemplate apClient() {
+        SimpleClientHttpRequestFactory requestFactory = new SimpleClientHttpRequestFactory();
+        RestTemplate restTemplate = new RestTemplate(requestFactory);
+        // BufferingClientHttpRequestFactory allows us to read the response more than once - Necessary for debugging.
+        restTemplate.setRequestFactory(new BufferingClientHttpRequestFactory(new HttpComponentsClientHttpRequestFactory(httpClient())));
+        return restTemplate;
+    }
+    @Bean
+    public HttpClient httpClient() {
+        return CachingHttpClientBuilder
+                .create()
+                .setCacheConfig(cacheConfig())
+                .build();
+    }
+    @Bean
+    public CacheConfig cacheConfig() {
+        return CacheConfig
+                .custom()
+                .setMaxObjectSize(500000) // 500KB
+                .setMaxCacheEntries(2000)
+                // Set this to false and a response with queryString
+                // will be cached when it is explicitly cacheable .setNeverCacheHTTP10ResponsesWithQueryString(false)
+                .build();
+    }
+}
\ No newline at end of file
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