public long getLastModified(Resource resource) 
{
            long lastModified = 0;
            try {
                lastModified = resolveSource(resource.getName()).getLastModified();
            } catch (Exception ex) {
                super.rsvc.warn("Unable to determine last modified for resource: "
                                + resource.getName() + ": " + ex);
            }
            return lastModified;
}

 public InputStream getResourceStream(String systemId) throws ResourceNotFoundException 
{
            try {
                return resolveSource(systemId).getInputStream();
            } catch (org.apache.velocity.exception.ResourceNotFoundException ex) {
                throw ex;
            } catch (Exception ex) {
                throw new org.apache.velocity.exception.ResourceNotFoundException("Unable to resolve source: " + ex);
            }
}

 public  void init(ExtendedProperties config) 
{
            this.resolverContext = (org.apache.avalon.framework.context.Context) config.get("context");
            if (this.resolverContext == null) {
                throw new IllegalArgumentException("Runtime Cocoon resolver context not specified in resource loader configuration.");
            }
}

Initialize this resource loader. The 'context' property is required and must be of type Context . The context is used to pass the Cocoon SourceResolver for the current pipeline.

 public boolean isSourceModified(Resource resource) 
{
            long lastModified = 0;
            try {
                lastModified = resolveSource(resource.getName()).getLastModified();
            } catch (Exception ex) {
                super.rsvc.warn("Unable to determine last modified for resource: "
                                + resource.getName() + ": " + ex);
            }
            return lastModified  > 0 ? lastModified != resource.getLastModified() : true;
}