- DOWNLOAD WEKA JAR FILE FOR IMPLEMENTATION HOW TO
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The content of JAR files may be obfuscated to make reverse engineering more difficult.Īn executable Java program can be packaged in a JAR file, along with any libraries the program uses.
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This prevents malicious code from being inserted into an existing package, and so gaining access to package-scoped classes and data. It can also support 'sealed' packages, in which the Classloader will only permit Java classes to be loaded into the same package if they are all signed by the same entities. When the Java runtime loads signed JAR files, it can validate the signatures and refuse to load classes that do not match the signature. Multiple entities may sign the JAR file, changing the JAR file itself with each signing, although the signed files themselves remain valid.
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The JAR itself is not signed, but instead every file inside the archive is listed along with its checksum it is these checksums that are signed.
In that case, the signature information becomes part of the embedded manifest file.
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The contents of a file may be extracted using any archive extraction software that supports the ZIP format, or the jar command line utility provided by the Java Development Kit.ĭevelopers can digitally sign JAR files.
For instance, a Classpath entry can be used to specify other JAR files to load with the JAR.
DOWNLOAD WEKA JAR FILE FOR IMPLEMENTATION HOW TO
The entries in the manifest file describe how to use the JAR file. JAR file elements may be compressed, shortening download times.Ī JAR file may contain a manifest file, that is located at META-INF/MANIFEST.MF. Print File Listing 3.A JAR file allows Java runtimes to efficiently deploy an entire application, including its classes and their associated resources, in a single request. The following options should be offered to a user:
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oop.jar ie.gmit.sw.Client, where oop.jar is the name of the JAR archive containing the full set of classes (client and server) for the project. The client application should present a command-line user interface when started from a terminal window as follows: java -cp.The module is taught to undergraduate students at GMIT in the Department of Computer Science and Applied Physics. This repository contains code and information for a third-year undergraduate project for the module Object Orientated Programming. Object Orientated Programming Project 2016 More options such as client upload to server.API:ĪPI routes are available for a number of currencies to get there you will need to navagate to /api/currencyName. If not successful the server will inform the client and return another menu. If the file is found the server will begin a transfer of bytes to the client. The client will prompt for a filename and once provided will attempt to find this file on the server. If a connection is made the client sends a ListFileRequest to the server. If successful a message is returned notifying and the client can perform other operations. Once parsed the client attempts to connect to the host via sockets. The client parses a number of settings from the XML file using XMLParser. On the sidemenu are a number of quick link to different sections of the app aswell as buttons on the dashboard. Upon loading the client you will be prompted with a menu of options: We then need to start the client Start the client
Will use default port 7777 and path/to/my/files oop.jar ie/gmit/sw/server/ServerRunner path/to/my/files oop.jar ie/gmit/sw/server/ServerRunner 8888 If you only provide 1 parameter the server will attempt to use this and use a default value for the other. You do not need to specify a port number or a file path.Įnsure if you are providing parameters to enter them in the following format: oop.jar ie/gmit/sw/server/ServerRunner 7777 path/to/my/files To run the web app, navagate to the directory that contains the oop.jar file and enter the commands: Start the server
Robust - Works with 1 parameter, no parameter or 2 FeaturesīlockingQueue - Multiple producer / One consumer A java implementation of a multi-threaded file server and logging application that allows a client application to download files using a set of options presented in a terminal user interface.