Revised to not be an auto configuration class so much as a regular @configuration class that uses Spring Boot annotations.

Author: joshlong

velocity/src/main/java/autoconfigure/velocity/VelocityAutoConfiguration.java

@@ -2,21 +2,33 @@
 
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.AutoConfigureAfter;
 import org.springframework.boot.autoconfigure.EnableAutoConfiguration;
+import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
+import org.springframework.boot.autoconfigure.web.WebMvcAutoConfiguration;
+import org.springframework.boot.bind.RelaxedPropertyResolver;
 import org.springframework.boot.builder.SpringApplicationBuilder;
 import org.springframework.boot.context.web.SpringBootServletInitializer;
+import org.springframework.context.EnvironmentAware;
+import org.springframework.context.annotation.Bean;
 import org.springframework.context.annotation.ComponentScan;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.core.Ordered;
+import org.springframework.core.env.Environment;
 import org.springframework.data.jpa.repository.JpaRepository;
 import org.springframework.stereotype.Controller;
 import org.springframework.ui.Model;
 import org.springframework.web.bind.annotation.RequestBody;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RequestMethod;
 import org.springframework.web.bind.annotation.RestController;
+import org.springframework.web.servlet.view.velocity.VelocityConfigurer;
+import org.springframework.web.servlet.view.velocity.VelocityViewResolver;
 
 import javax.persistence.Entity;
 import javax.persistence.GeneratedValue;
 import javax.persistence.Id;
+import javax.servlet.Servlet;
 import java.util.*;
 
 
@@ -37,6 +49,41 @@ protected SpringApplicationBuilder configure(SpringApplicationBuilder applicatio
 
 }
 
+@Configuration
+@ConditionalOnClass({Servlet.class})
+@AutoConfigureAfter(WebMvcAutoConfiguration.class)
+class VelocityAutoConfiguration implements EnvironmentAware {
+
+    public static final String DEFAULT_PREFIX = "/templates/";
+
+    public static final String DEFAULT_SUFFIX = ".vm";
+
+    private RelaxedPropertyResolver environment;
+
+    @Override
+    public void setEnvironment(Environment environment) {
+        this.environment = new RelaxedPropertyResolver(environment,
+                "spring.velocity.");
+    }
+
+    @Bean
+    VelocityConfigurer velocityConfig() {
+        return new VelocityConfigurer();
+    }
+
+    @Bean
+    VelocityViewResolver velocityViewResolver() {
+        VelocityViewResolver resolver = new VelocityViewResolver();
+        resolver.setSuffix(this.environment.getProperty("suffix", DEFAULT_SUFFIX));
+        resolver.setPrefix(this.environment.getProperty("prefix", DEFAULT_PREFIX));
+        // Needs to come before any fallback resolver (e.g. a
+        // InternalResourceViewResolver)
+        resolver.setOrder(Ordered.LOWEST_PRECEDENCE - 20);
+        return resolver;
+
+    }
+}
+
 /**
  * Represents one (very under-specified) <em>booking</em>
  * for a named person at a theoretical establishment like a restaurant.