Interface DownloadableResource

All Known Implementing Classes:
DownloadableClasspathResource, DownloadableWebResource, EmptyDownloadableResource, ForwardableResource

public interface DownloadableResource
Represents a plugin resource that can be downloaded. It is up to the calling class to check if the resource is modified before calling serveResource(HttpServletRequest, HttpServletResponse) to serve the resource.
  • Method Summary

    Modifier and Type
    Method
    Description
    Returns the content type for the resource.
    boolean
    isResourceModified(jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response)
    Returns true if the plugin resource has been modified.
    void
    serveResource(jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response)
    Writes the resource content out into the response.
    void
    Write the resource to the supplied OutputStream.
  • Method Details

    • isResourceModified

      boolean isResourceModified(jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response)
      Returns true if the plugin resource has been modified. The implementing class is responsible for setting any appropriate response codes or headers on the response. If the resource has not been modified, the resource shouldn't be served.
    • serveResource

      void serveResource(jakarta.servlet.http.HttpServletRequest request, jakarta.servlet.http.HttpServletResponse response) throws DownloadException
      Writes the resource content out into the response.
      Throws:
      DownloadException - if there were errors writing to the response.
      Since:
      2.2
    • streamResource

      void streamResource(OutputStream out) throws DownloadException
      Write the resource to the supplied OutputStream. Note that the OutputStream will not be closed by this method.
      Parameters:
      out - the stream to write to
      Throws:
      DownloadException - if there were errors writing to the response. Since 2.3.
      Since:
      2.2
    • getContentType

      String getContentType()
      Returns the content type for the resource. May return null if it cannot resolve its own content type.
      Since:
      2.2