From df333fdfb5c0feb0136438fda2eeeb7e59f0a1b1 Mon Sep 17 00:00:00 2001
From: Tony Tam <fehguy@gmail.com>
Date: Wed, 3 Apr 2013 00:27:51 -0700
Subject: [PATCH] added CORS filter

---
 .../java-jaxrs/JavaJaxRSServerGenerator.scala |  3 ++-
 .../java/com/wordnik/api/ApiOriginFilter.java | 26 +++++++++++++++++++
 .../output/src/main/webapp/WEB-INF/web.xml    |  5 ++--
 .../templates/ApiOriginFilter.mustache        | 26 +++++++++++++++++++
 .../java-jaxrs/templates/web.mustache         |  5 ++--
 5 files changed, 58 insertions(+), 7 deletions(-)
 create mode 100644 samples/server-generator/java-jaxrs/output/src/main/java/com/wordnik/api/ApiOriginFilter.java
 create mode 100644 samples/server-generator/java-jaxrs/templates/ApiOriginFilter.mustache

diff --git a/samples/server-generator/java-jaxrs/JavaJaxRSServerGenerator.scala b/samples/server-generator/java-jaxrs/JavaJaxRSServerGenerator.scala
index 56f4b696e4..a00225d1c3 100644
--- a/samples/server-generator/java-jaxrs/JavaJaxRSServerGenerator.scala
+++ b/samples/server-generator/java-jaxrs/JavaJaxRSServerGenerator.scala
@@ -40,9 +40,10 @@ object JavaJaxRSServerGenerator extends BasicJavaGenerator {
   // supporting classes
   override def supportingFiles = List(
     ("README.mustache", outputFolder, "README.md"),
+    ("ApiException.mustache", destinationDir + "/" + apiPackage.get.replaceAll("\\.", "/"), "ApiException.java"),
+    ("ApiOriginFilter.mustache", destinationDir + "/" + apiPackage.get.replaceAll("\\.", "/"), "ApiOriginFilter.java"),
     ("ApiResponse.mustache", destinationDir + "/" + apiPackage.get.replaceAll("\\.", "/"), "ApiResponse.java"),
     ("JacksonJsonProvider.mustache", destinationDir + "/" + apiPackage.get.replaceAll("\\.", "/"), "JacksonJsonProvider.java"),
-    ("ApiException.mustache", destinationDir + "/" + apiPackage.get.replaceAll("\\.", "/"), "ApiException.java"),
     ("NotFoundException.mustache", destinationDir + "/" + apiPackage.get.replaceAll("\\.", "/"), "NotFoundException.java"),
     ("pom.xml", outputFolder, "pom.xml"),
     ("web.mustache", outputFolder + "/src/main/webapp/WEB-INF", "web.xml")
diff --git a/samples/server-generator/java-jaxrs/output/src/main/java/com/wordnik/api/ApiOriginFilter.java b/samples/server-generator/java-jaxrs/output/src/main/java/com/wordnik/api/ApiOriginFilter.java
new file mode 100644
index 0000000000..cc5a89c386
--- /dev/null
+++ b/samples/server-generator/java-jaxrs/output/src/main/java/com/wordnik/api/ApiOriginFilter.java
@@ -0,0 +1,26 @@
+package com.wordnik.api;
+
+import java.io.IOException;
+
+import javax.servlet.*;
+import javax.servlet.http.HttpServletResponse;
+
+public class ApiOriginFilter implements javax.servlet.Filter {
+	@Override
+	public void doFilter(ServletRequest request, ServletResponse response,
+			FilterChain chain) throws IOException, ServletException {
+		HttpServletResponse res = (HttpServletResponse) response;
+		res.addHeader("Access-Control-Allow-Origin", "*");
+		res.addHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT");
+		res.addHeader("Access-Control-Allow-Headers", "Content-Type");
+		chain.doFilter(request, response);
+	}
+
+	@Override
+	public void destroy() {
+	}
+
+	@Override
+	public void init(FilterConfig filterConfig) throws ServletException {
+	}
+}
diff --git a/samples/server-generator/java-jaxrs/output/src/main/webapp/WEB-INF/web.xml b/samples/server-generator/java-jaxrs/output/src/main/webapp/WEB-INF/web.xml
index 402064d151..2a758c9516 100644
--- a/samples/server-generator/java-jaxrs/output/src/main/webapp/WEB-INF/web.xml
+++ b/samples/server-generator/java-jaxrs/output/src/main/webapp/WEB-INF/web.xml
@@ -41,14 +41,13 @@
     <servlet-name>jersey</servlet-name>
     <url-pattern>/*</url-pattern>
   </servlet-mapping>
-<!--  <filter>
+  <filter>
     <filter-name>ApiOriginFilter</filter-name>
-    <filter-class>com.wordnik.swagger.sample.util.ApiOriginFilter</filter-class>
+    <filter-class>com.wordnik.api.ApiOriginFilter</filter-class>
   </filter>
   <filter-mapping>
     <filter-name>ApiOriginFilter</filter-name>
     <url-pattern>/*</url-pattern>
   </filter-mapping>
--->
 </web-app>
 
diff --git a/samples/server-generator/java-jaxrs/templates/ApiOriginFilter.mustache b/samples/server-generator/java-jaxrs/templates/ApiOriginFilter.mustache
new file mode 100644
index 0000000000..68675432c6
--- /dev/null
+++ b/samples/server-generator/java-jaxrs/templates/ApiOriginFilter.mustache
@@ -0,0 +1,26 @@
+package {{apiPackage}};
+
+import java.io.IOException;
+
+import javax.servlet.*;
+import javax.servlet.http.HttpServletResponse;
+
+public class ApiOriginFilter implements javax.servlet.Filter {
+	@Override
+	public void doFilter(ServletRequest request, ServletResponse response,
+			FilterChain chain) throws IOException, ServletException {
+		HttpServletResponse res = (HttpServletResponse) response;
+		res.addHeader("Access-Control-Allow-Origin", "*");
+		res.addHeader("Access-Control-Allow-Methods", "GET, POST, DELETE, PUT");
+		res.addHeader("Access-Control-Allow-Headers", "Content-Type");
+		chain.doFilter(request, response);
+	}
+
+	@Override
+	public void destroy() {
+	}
+
+	@Override
+	public void init(FilterConfig filterConfig) throws ServletException {
+	}
+}
\ No newline at end of file
diff --git a/samples/server-generator/java-jaxrs/templates/web.mustache b/samples/server-generator/java-jaxrs/templates/web.mustache
index b9cc59e467..f0b3ae47ea 100644
--- a/samples/server-generator/java-jaxrs/templates/web.mustache
+++ b/samples/server-generator/java-jaxrs/templates/web.mustache
@@ -41,13 +41,12 @@
     <servlet-name>jersey</servlet-name>
     <url-pattern>/*</url-pattern>
   </servlet-mapping>
-<!--  <filter>
+  <filter>
     <filter-name>ApiOriginFilter</filter-name>
-    <filter-class>com.wordnik.swagger.sample.util.ApiOriginFilter</filter-class>
+    <filter-class>{{apiPackage}}.ApiOriginFilter</filter-class>
   </filter>
   <filter-mapping>
     <filter-name>ApiOriginFilter</filter-name>
     <url-pattern>/*</url-pattern>
   </filter-mapping>
--->
 </web-app>