Run Java Applications as Administrator
In Java, it is possible to request administrator privileges for your application without the need for manual user input. This is achieved by creating a manifest file that defines the application's requirements.
Creating the Manifest File
To create the manifest file, use an XML editor like Notepad . The manifest should have the following format:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <manifest xmlns="urn:schemas-microsoft-com:asm.v1"> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestversion="1.0"> <trustinfo xmlns="urn:schemas-microsoft-com:asm.v3"> <security> <requestedprivileges> <requestedexecutionlevel level="requireAdministrator"></requestedexecutionlevel> </requestedprivileges> </security> </trustinfo> </assembly> </manifest>
Embedding the Manifest
You can embed the manifest within the JAR file using the -manifest option during compilation:
jar -cvfm myapp.jar META-INF/MANIFEST.MF myapp/*.class
Alternatively, you can externalize the manifest as a separate file named myapp.exe.manifest. In this case, specify the manifest in the Main-Class entry of the original manifest:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?> <manifest xmlns="urn:schemas-microsoft-com:asm.v1"> <assembly xmlns="urn:schemas-microsoft-com:asm.v1" manifestversion="1.0"> <entrypoint> <assemblyidentity version="1.0.0.0" name="myapp" type="win32" processorarchitecture="*"></assemblyidentity> <commandline file="myapp.exe" parameters=""></commandline> </entrypoint> <dependency> <dependentassembly> <assemblyidentity type="win32" name="Microsoft.Windows.Common-Controls" version="6.0.0.0" processorarchitecture="*" publickeytoken="6595b64144ccf1df" language="*"></assemblyidentity> </dependentassembly> </dependency> </assembly> </manifest>
By specifying the requestedExecutionLevel in the manifest, your application will prompt the user for administrator privileges through the UAC dialog when executed.
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