A new class of data file storing objects which have the ability to self-extract, i.e. within objects in the new class, there is a method to extract selected individual files stored in the objects. There is provided a computer controlled object oriented programming system having means for interfacing a plurality of programming objects with each other and including at least one data storage object of an object class comprising means within said object for storing a plurality of data files, and means within said object for extracting said stored data files from said object. The object class is most effectively used with Java objects. The compressed files stored in the objects may be program files. The files are usually compressed into a single file for distribution. In accordance with another aspect of the present invention, there is provided for use in creating and loading the data storage objects, a file adder object interfacing with a data storage object for adding additional files to said data storage object.
Disclosed is a receiving apparatus and method, a sending apparatus and method, recording medium, and a communication system for sending or receiving electronic mail. In operatively associated with a command for opening an electronic mail message, a syntax analysis module extracts a script attached to the electronic mail message as an attachment file and analyzes the syntax of the extracted script. An execution module executes processing corresponding to the data accompanying the script or an input event. An output module controls the outputting of the results of this processing. With this configuration, a sender of electronic mail is allowed to make its recipient to quickly and securely take actions desired by the sender.
Disclosed is a set of tools or program instructions, an installation program, and a system that operates a drive in a platform independent manner. A drive object represents a single drive mounted by an operating system and contains fields providing information including drive name, block size, free space, type, format long file name support, and space needed by the files to be installed on that drive. During the installation process, each drive is processed to ensure that the drive has sufficient free space for the files to be installed.
A program execution device with a small required memory storage capacity includes: a compressed code storing portion storing a code which has been compressed on a prescribed unit basis of a program described in a prescribed language; an expanding portion connected to the compressed code storing portion for expanding the compressed code stored in the compressed code storing portion; a code storing portion connected to the expanding portion for storing the code expanded by the expanding portion; and an interpreter portion connected to the code storing portion for interpreting and executing the expanded code.
A data delivery system for communicating sophisticated information between a first and second computer over a network, such as the Internet. The delivery system resides on a network server and will receive information stored in a source file, translate the data, and deliver the data package that allows a recipient to use the sophisticated information without requiring the recipient to use software compatible with the source file.
A method and apparatus for associating methods or attributes on a per-instance basis is provided. One technique for providing "per-instance attributes" involves properties and property bundles. A second technique for providing "per-instance attributes" involves categories wherein the instance can be thought of as being "placed" into one or more categories. A technique for providing "per-instance methods" involves policies. In any of these techniques, providing per-instance properties may be used in any of the following ways: (1) different instances of the same class are associated with different properties where the properties are not in the class; and (2) two instances of two different classes are associated with the same property where the property is not in either of the two classes.
