Create CORSFilter.java

java-spring/common-web/src/main/java/net/chrisrichardson/eventstore/javaexamples/banking/web/util/CORSFilter.java

@@ -0,0 +1,25 @@
+package net.chrisrichardson.eventstore.javaexamples.banking.web.util;
+
+import org.springframework.stereotype.Component;
+import org.springframework.web.filter.OncePerRequestFilter;
+
+import javax.servlet.FilterChain;
+import javax.servlet.ServletException;
+import javax.servlet.http.HttpServletRequest;
+import javax.servlet.http.HttpServletResponse;
+import java.io.IOException;
+
+/**
+ * @since 12/25/2015
+ */
+@Component
+public class CORSFilter extends OncePerRequestFilter {
+
+    @Override
+    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {
+        response.addHeader("Access-Control-Allow-Origin", "*");
+        response.addHeader("Access-Control-Allow-Headers", "X-Requested-With, Content-Type, Origin, Authorization, Accept, Client-Security-Token, Accept-Encoding");
+        response.addHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS, DELETE, PUT");
+        filterChain.doFilter(request, response);
+    }
+}