add CORs filter for backend platform and hook view all offices up to it.

mifosng-provider/src/main/java/org/mifosng/platform/filters/ResponseCorsFilter.java

@@ -0,0 +1,32 @@
+package org.mifosng.platform.filters;
+
+import javax.ws.rs.core.Response;
+import javax.ws.rs.core.Response.ResponseBuilder;
+
+import com.sun.jersey.spi.container.ContainerRequest;
+import com.sun.jersey.spi.container.ContainerResponse;
+import com.sun.jersey.spi.container.ContainerResponseFilter;
+
+/**
+ * General approach to turn back-end capabilities exposed through resource-oriented API as Cross-Origin-Request complaint.
+ */
+public class ResponseCorsFilter implements ContainerResponseFilter {
+
+	@Override
+	public ContainerResponse filter(ContainerRequest request, ContainerResponse response) {
+
+		ResponseBuilder resp = Response.fromResponse(response.getResponse());
+		
+		resp.header("Access-Control-Allow-Origin", "*").header("Access-Control-Allow-Methods", "GET, POST, OPTIONS");
+
+		String reqHead = request.getHeaderValue("Access-Control-Request-Headers");
+
+		if (null != reqHead && !reqHead.equals(null)) {
+			resp.header("Access-Control-Allow-Headers", reqHead);
+		}
+
+		response.setResponse(resp.build());
+		
+		return response;
+	}
+}

mifosng-provider/src/main/webapp/WEB-INF/web.xml

@@ -51,12 +51,25 @@
 	<servlet>
 		<servlet-name>jersey-serlvet</servlet-name>
 		<servlet-class>com.sun.jersey.spi.spring.container.servlet.SpringServlet</servlet-class>
-		<!-- debugging on for development -->
 		<init-param>
 			<param-name>com.sun.jersey.api.json.POJOMappingFeature</param-name>
 			<param-value>true</param-value>
 		</init-param>
-	    
+		<!-- debugging on for development -->
+		<!-- 
+	    <init-param>
+		  <param-name>com.sun.jersey.spi.container.ContainerRequestFilters</param-name>
+		  <param-value>com.sun.jersey.api.container.filter.LoggingFilter</param-value>
+		</init-param>
+		<init-param>
+		  <param-name>com.sun.jersey.spi.container.ContainerResponseFilters</param-name>
+		  <param-value>com.sun.jersey.api.container.filter.LoggingFilter, org.mifosng.platform.filters.ResponseCorsFilter</param-value>
+		</init-param>
+		-->
+		<init-param>
+		  <param-name>com.sun.jersey.spi.container.ContainerResponseFilters</param-name>
+		  <param-value>org.mifosng.platform.filters.ResponseCorsFilter</param-value>
+		</init-param>
 		<load-on-startup>1</load-on-startup>
 	</servlet>