sustain/src/main/java/net/happyonroad/component/core/support/ComponentURLStreamHandlerFactory.java
public void setMappingFile(URL url, String realFile){
        if (componentFiles == null) initFastIndexes("app", "lib", "repository");
        File file = new File(realFile);
        componentFiles.put(url.getFile(), file);
    }
public void setMappingFile(URL url, String realFile){
        if (componentFiles == null) initFastIndexes("app", "lib", "repository");
        File file = new File(realFile);
        componentFiles.put(url.getFile(), file);
    }
Set the real file of component url
@param url the component url
@param realFile the real file