Package org.apache.tapestry5.http.services

Interface Context

    • Method Summary

      All Methods Instance Methods Abstract Methods 
      Modifier and Type Method Description
      java.lang.Object getAttribute​(java.lang.String name)
      Returns an attribute previously stored into the context with the given name.
      java.util.List<java.lang.String> getAttributeNames()
      Returns the names of all attributes of the context, sorted alphabetically.
      java.lang.String getInitParameter​(java.lang.String name)
      Returns an initial parameter value defined by servlet.
      java.lang.String getMimeType​(java.lang.String file)
      Returns the MIME content type of the specified file, or null if no content type is known.
      java.io.File getRealFile​(java.lang.String path)
      Attempts to find the actual file, on the file system, that would be provided by the servlet container for the given path (which must start with a leading slash).
      java.net.URL getResource​(java.lang.String path)
      Returns a URL to a resource stored within the context.
      java.util.List<java.lang.String> getResourcePaths​(java.lang.String path)
      Looks for resources within the web application within the supplied path.

    • Method Detail

      • getResource

        java.net.URL getResource​(java.lang.String path)
        Returns a URL to a resource stored within the context. The path should start with a leading slash.
        Parameters:
        path - to the resource (with a leading slash)
        Returns:
        the URL for the path, or null if the path does not correspond to a file.

      • getRealFile

        java.io.File getRealFile​(java.lang.String path)
        Attempts to find the actual file, on the file system, that would be provided by the servlet container for the given path (which must start with a leading slash). This may return null if no such file exists, or if the resource in question is packaged inside a WAR. If packaged inside a WAR, the contents may be accessed via getResource(String).
        Parameters:
        path - to the resource (with a leading slash)
        Returns:
        the underlying File, or null if no such file

      • getInitParameter

        java.lang.String getInitParameter​(java.lang.String name)
        Returns an initial parameter value defined by servlet.

      • getResourcePaths

        java.util.List<java.lang.String> getResourcePaths​(java.lang.String path)
        Looks for resources within the web application within the supplied path. The list will be recurively expanded, as necessary. The path must start with a leading slash, and usually ends with a slash as well.
        Parameters:
        path - to search for (should start with a leading slash)
        Returns:
        the matches, sorted alphabetically

      • getAttribute

        java.lang.Object getAttribute​(java.lang.String name)
        Returns an attribute previously stored into the context with the given name.
        Parameters:
        name - used to retrieve the attribute
        Returns:
        the attribute, or null if not found

      • getAttributeNames

        java.util.List<java.lang.String> getAttributeNames()
        Returns the names of all attributes of the context, sorted alphabetically.

      • getMimeType

        java.lang.String getMimeType​(java.lang.String file)
        Returns the MIME content type of the specified file, or null if no content type is known. MIME types are built-in to servlet containers and may be futher specified via the web application deployment descriptor.
        Parameters:
        file - name of file
        Returns:
        the presumed MIME content type, or null if not known
        Since:
        5.1.0.0