Class ConfigurableDataResource_impl

  • All Implemented Interfaces:
    DataResource, Resource

    public class ConfigurableDataResource_impl
    extends Resource_ImplBase
    implements DataResource
    A simple DataResource implementation that can read data from a file via a URL. There is an attribute for specifying the location of a local cache for a remote file, but this is not currently being used.
    • Constructor Detail

      • ConfigurableDataResource_impl

        public ConfigurableDataResource_impl()
    • Method Detail

      • getUri

        public URI getUri()
        Description copied from interface: DataResource
        Gets the URI of the data. In general, this method will return a URI that is equivalent to the URL returned by DataResource.getUrl(). However, in the case where DataResource.getUrl() returns null (indicating no URL available), this method may still return a URI. This can be the case if the URI does not use a standard protocol such as http or file.
        Specified by:
        getUri in interface DataResource
        Returns:
        The URI of the data
      • getUrl

        public URL getUrl()
        Description copied from interface: DataResource
        Gets the URL where the data is stored. This method may return null if there is no appropriate URL (for example if the data is stored in a relational database). It is recommended that the DataResource.getInputStream() method be used whenever possible - see the class comment for more information.
        Specified by:
        getUrl in interface DataResource
        Returns:
        the URL where the data is stored, or null if this is not available.
        See Also:
        DataResource.getUrl()
      • getLocalCache

        protected File getLocalCache()
        Gets the file name of the local cache for a remote resource file, if any. This is not currently supported; it always returns null.
        Returns:
        the local cache File
      • equals

        public boolean equals​(Object obj)
        Description copied from interface: DataResource
        Determines if this DataResource is equal to another DataResource. It is important that DataResource implementations override this method appropriately, because the ResourceManager can make use of this method to determine when cached data can be reused. Two DataResources that are equal according to this method will be considered to provide access to the same data; therefore, a common cache can be used.
        Specified by:
        equals in interface DataResource
        Overrides:
        equals in class Object
        Parameters:
        obj - the object to compare to
        Returns:
        true if and only if aObj is a DataResource and provides access to the same data as this object.
        See Also:
        DataResource.equals(java.lang.Object)