how to configure spring MVC - view resolver to get .manifest for HTML 5 offline cache

**abhijitaitwade** · Sep 1st, 2012, 11:10 AM

Hello,

I am trying to HTML 5 offline caching with spring. But i am not getting success for resolve the .manifiest file URL.

I used below resolver to try to get but didnt get success.

Code:

<bean id="viewres3"
          class="org.springframework.web.servlet.view.InternalResourceViewResolver">
        <property name="prefix">
            <value>/WEB-INF/views/mb/</value>
        </property>
        <property name="suffix">
            <value>.manifest</value>
        </property>
        <property name="order"><value>1</value></property>
    </bean>

In web.xml also i have added the manifest mime mapping

Code:

 <mime-mapping>
        <extension>manifest</extension>
        <mime-type>text/cache-manifest</mime-type>
    </mime-mapping>

below is web controller request mapping method which try to resolve

Code:

 @RequestMapping("/offm")
    public String offMainifest() {
        return "/mob/offui";
    }

Below code HTML 5 snippet. in html tag there attribute is namely "manifest" which requires .manifest file path as value.

Code:

<!DOCTYPE html>
<html lang="en" manifest="offui.manifest">
  // your html document
</html>

Please help me if somebody knows then for how to resolve .manifest file view?

Because for HTML 5 offline caching i must require . manifest file.

Regards
Abhijit.

**abhijitaitwade** · Oct 2nd, 2012, 02:05 AM

I have solved this issue.

Add new mime type in web.xml

<mime-mapping>
<extension>manifest</extension>
<mime-type>text/cache-manifest</mime-type>
</mime-mapping>

Web controller method request mapping updates as per below

@RequestMapping(value = "/offm.appcache", produces = "text/cache-manifest")
public String offMainifest() {

StringBuilder strManiFstBuilder = new StringBuilder();
strManiFstBuilder.append("CACHE MANIFEST");

strManiFstBuilder.append(Your all other includes add here);

return strManiFstBuilder.toString();

}

Its works for me.

Thanks.

**sdnetwork** · Oct 2nd, 2012, 09:13 AM

with your first approach add that in your dispatcher servlet :

<resources mapping="/WEB-INF/views/mb/**" location="/WEB-INF/views/mb/".

and it should works.

**abhijitaitwade** · Oct 3rd, 2012, 06:02 AM

thanks for reply.

I tried it. Its also work nice and its really helpful.

My manifest data is dynamically generates so i am going generate manifest data with help of web controller method.

Thanks once again for help.

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