Handle CORS (Cross-Origin Resource Sharing) requests from any Java web application

gistfile1.xml

<!-- pom.xml, adding required dependency-->

<dependencies>
  <dependency>
      <groupId>com.thetransactioncompany</groupId>
      <artifactId>cors-filter</artifactId>
      <version>1.3.2</version>
  </dependency>
</dependencies>

<!-- then setup filter on web.xml, this configuration allow everything : suitable for dev environment -->
<!-- more options and informations on http://software.dzhuvinov.com/cors-filter-configuration.html -->
<filter>
  <filter-name>CORS</filter-name>
  <filter-class>com.thetransactioncompany.cors.CORSFilter</filter-class>
  <init-param>
    <param-name>cors.supportedHeaders</param-name>
    <param-value>Content-Type, X-Requested-With, Accept, Origin</param-value>
  </init-param>
</filter>
<filter-mapping>
  <filter-name>CORS</filter-name>
  <servlet-name>servletName</servlet-name>
</filter-mapping>