Example usage for org.springframework.web.servlet.resource DefaultResourceTransformerChain DefaultResourceTransformerChain

Introduction

In this page you can find the example usage for org.springframework.web.servlet.resource DefaultResourceTransformerChain DefaultResourceTransformerChain.

Prototype

public DefaultResourceTransformerChain(ResourceResolverChain resolverChain,
            @Nullable List<ResourceTransformer> transformers) 

Source Link

Usage

From source file:org.springframework.web.servlet.resource.ResourceHttpRequestHandler.java

@Nullable
protected Resource getResource(HttpServletRequest request) throws IOException {
    String path = (String) request.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE);
    if (path == null) {
        throw new IllegalStateException("Required request attribute '"
                + HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE + "' is not set");
    }//from  ww  w.  java 2 s.co  m
    path = processPath(path);
    if (!StringUtils.hasText(path) || isInvalidPath(path)) {
        if (logger.isTraceEnabled()) {
            logger.trace("Ignoring invalid resource path [" + path + "]");
        }
        return null;
    }
    if (path.contains("%")) {
        try {
            // Use URLDecoder (vs UriUtils) to preserve potentially decoded UTF-8 chars
            if (isInvalidPath(URLDecoder.decode(path, "UTF-8"))) {
                if (logger.isTraceEnabled()) {
                    logger.trace("Ignoring invalid resource path with escape sequences [" + path + "].");
                }
                return null;
            }
        } catch (IllegalArgumentException ex) {
            // ignore
        }
    }
    ResourceResolverChain resolveChain = new DefaultResourceResolverChain(getResourceResolvers());
    Resource resource = resolveChain.resolveResource(request, path, getLocations());
    if (resource == null || getResourceTransformers().isEmpty()) {
        return resource;
    }
    ResourceTransformerChain transformChain = new DefaultResourceTransformerChain(resolveChain,
            getResourceTransformers());
    resource = transformChain.transform(request, resource);
    return resource;
}

---