juplo.de Git - maven-thymeleaf-skin/blob - src/main/java/de/juplo/autoconfigure/ThymeproxyAutoConfiguration.java

   1 package de.juplo.autoconfigure;
   2
   3
   4 import de.juplo.autoconfigure.ThymeproxyProperties.Origin;
   5 import de.juplo.thymeproxy.ProxyTemplateResolver;
   6 import org.apache.http.impl.client.CloseableHttpClient;
   7 import org.slf4j.Logger;
   8 import org.slf4j.LoggerFactory;
   9 import org.springframework.boot.autoconfigure.AutoConfigureBefore;
  10 import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
  11 import org.springframework.boot.autoconfigure.condition.ConditionalOnProperty;
  12 import org.springframework.boot.autoconfigure.thymeleaf.ThymeleafAutoConfiguration;
  13 import org.springframework.boot.context.properties.EnableConfigurationProperties;
  14 import org.springframework.context.ConfigurableApplicationContext;
  15 import org.springframework.context.annotation.Bean;
  16 import org.springframework.context.annotation.Configuration;
  17
  18
  19 /**
  20  * Automatic configuration
  21  *
  22  * @author Kai Moritz
  23  */
  24 @Configuration
  25 @EnableConfigurationProperties(ThymeproxyProperties.class)
  26 @ConditionalOnClass(value = ThymeleafAutoConfiguration.class)
  27 @AutoConfigureBefore(ThymeleafAutoConfiguration.class)
  28 public class ThymeproxyAutoConfiguration
  29 {
  30   private static final Logger LOG =
  31       LoggerFactory.getLogger(ThymeproxyAutoConfiguration.class);
  32
  33
  34   @Bean
  35   @ConditionalOnProperty("thymeproxy.origins[0].uri")
  36   public ProxyTemplateResolver defaultTemplateResolver(
  37       CloseableHttpClient client,
  38       ThymeproxyProperties properties,
  39       ConfigurableApplicationContext context
  40       )
  41   {
  42     LOG.info("configuring {} proxies", properties.origins.size());
  43
  44     Origin origin = properties.origins.get(0);
  45     String uri = origin.uri.toString();
  46     ProxyTemplateResolver defaultResolver =
  47         new ProxyTemplateResolver(
  48             "0: " + origin.uri.getHost(),
  49             0,
  50             client,
  51             uri,
  52             origin.ttl
  53             );
  54     LOG.info("registering defaultTemplateResolver for {}", uri);
  55
  56     for (int i=1; i<properties.origins.size(); i++)
  57     {
  58       origin = properties.origins.get(i);
  59
  60       String name = "proxy" + i;
  61       uri = origin.uri.toString();
  62       ProxyTemplateResolver resolver =
  63           new ProxyTemplateResolver(
  64               i + ": " + origin.uri.getHost(),
  65               i,
  66               client,
  67               origin.uri.toString(),
  68               origin.ttl
  69               );
  70
  71       LOG.info("registering {} for {}", name, uri);
  72       context.getBeanFactory().registerSingleton(name, resolver);
  73     }
  74
  75     return defaultResolver;
  76   }
  77 }