您基本上需要一個自定義resource handler,每當請求資源primefaces:jquery/jquery.js
時,它將返回所需的外部URL Resource#getRequestPath()
。
E.g.
public class CDNResourceHandler extends ResourceHandlerWrapper {
private ResourceHandler wrapped;
public CDNResourceHandler(ResourceHandler wrapped) {
this.wrapped = wrapped;
}
@Override
public Resource createResource(final String resourceName, final String libraryName) {
final Resource resource = super.createResource(resourceName, libraryName);
if (resource == null || !"primefaces".equals(libraryName) || !"jquery/jquery.js".equals(resourceName)) {
return resource;
}
return new ResourceWrapper() {
@Override
public String getRequestPath() {
return "http://mydomain.com/jquery/jquery.js";
}
@Override
public Resource getWrapped() {
return resource;
}
};
}
@Override
public ResourceHandler getWrapped() {
return wrapped;
}
}
讓它運行,在faces-config.xml
映射,如下所示:
<application>
<resource-handler>com.example.CDNResourceHandler</resource-handler>
</application>
的JSF工具庫OmniFaces提供在CDNResourceHandler
味道可重複使用的解決方案,它是在你的情況下,可以配置爲
<context-param>
<param-name>org.omnifaces.CDN_RESOURCE_HANDLER_URLS</param-name>
<param-value>primefaces:jquery/jquery.js=http://mydomain.com/jquery/jquery.js</param-value>
</context-param>