java – 如何使用远程文件？

我有一个专门用于静态内容的服务器,所以我不想使用资源目录来存储 javascript文件,但我不想停止使用< h：outputScript />标签.

如何使该标记生成指向文件所在的静态服务器的链接,而不是RES_NOT_FOUND.我甚至不需要JSF检查文件是否存在…

我试过了：< h：outputScript name =“#{requestBean.staticURL} /javascript.js”/>

要生成：< script type =“text / javascript”src =“http://static.server.com/javascript.js”>< / script>

但它会生成：< script type =“text / javascript”src =“RES_NOT_FOUND”>< / script>

我能做什么？

解：
丹尼尔给我一个很好的解决方案！

我已经下载了Omnifaces的源代码并将org.omnifaces.resourcehandler.CDNResourceHandle.createResource(String resourceName,String libraryName)方法修改为：

public Resource createResource(String resourceName,String libraryName) {
    final Resource resource = wrapped.createResource(resourceName,libraryName);

    if (cdnResources == null) {
        return resource;
    }

    String resourceId = ((libraryName != null) ? libraryName + ":" : "") + resourceName;

    String path = cdnResources.get(resourceId);

    if(path == null){
        if(libraryName != null){
            resourceId = libraryName + ":%";
            path = cdnResources.get(resourceId);
            if(path == null){
                return resource;
            }
            path += "/"+resourceName;
        }
        else return resource;
    }

    final String requestPath = path;

    return new ResourceWrapper() {

        @Override
        public String getRequestPath() {
            return requestPath;
        }

        @Override
        public Resource getWrapped() {
            return resource;
        }
    };
}

通过此更改,我可以将其添加到我的web.xml文件中

<context-param>
    <param-name>org.omnifaces.CDN_RESOURCE_HANDLER_URLS</param-name>
    <param-value>
        somelib2:%=http://cdn.example.com/somelib2,js/script1.js=http://cdn.example.com/js/script1.js,somelib:js/script2.js=http://cdn.example.com/somelib/js/script2.js,otherlib:style.css=http://cdn.example.com/otherlib/style.css,images/logo.png=http://cdn.example.com/logo.png
   </param-value>
</context-param>

请注意somelib2：％= http：//cdn.example.com/somelib2,这会将somelib2库中的任何资源指向http://cdn.example.com/somelib2中的相对路径,例如：

< h：outputScript name =“js / myjs.js”library =“somelib2”/>

将输出：

< script type =“text / javascript”src =“http://cdn.example.com/somelib2/js/myjs.js”>< / script>

这适用于< h：outputScript />< h：outputStylesheet />< h：graphicImage />,任何使用资源的东西;

<application>
    <resource-handler>org.omnifaces.resourcehandler.CDNResourceHandler</resource-handler>
</application>



<context-param>
    <param-name>org.omnifaces.CDN_RESOURCE_HANDLER_URLS</param-name>
    <param-value>
        js/script1.js=http://cdn.example.com/js/script1.js,images/logo.png=http://cdn.example.com/logo.png
    </param-value>
</context-param>

<h:outputScript name="js/script1.js" />
<h:outputScript library="somelib" name="js/script2.js" />
<h:outputStylesheet library="otherlib" name="style.css" />
<h:graphicImage name="images/logo.png" />