Examples with JIPolicyHandle org.jinterop.winreg.JIPolicyHandle used on opensource projects

Example 1 with JIPolicyHandle

use of org.jinterop.winreg.JIPolicyHandle in project hudson-2.x by hudson.

the class DotNet method isInstalled.

/**
     * Returns true if the .NET framework of the given version (or grater) is installed
     * on a remote machine. 
     */
public static boolean isInstalled(int major, int minor, String targetMachine, IJIAuthInfo session) throws JIException, UnknownHostException {
    IJIWinReg registry = JIWinRegFactory.getSingleTon().getWinreg(session, targetMachine, true);
    JIPolicyHandle hklm = null;
    JIPolicyHandle key = null;
    try {
        hklm = registry.winreg_OpenHKLM();
        key = registry.winreg_OpenKey(hklm, "SOFTWARE\\Microsoft\\.NETFramework", IJIWinReg.KEY_READ);
        for (int i = 0; ; i++) {
            String keyName = registry.winreg_EnumKey(key, i)[0];
            if (matches(keyName, major, minor))
                return true;
        }
    } catch (JIException e) {
        if (e.getErrorCode() == 2)
            // not found
            return false;
        throw e;
    } finally {
        if (hklm != null)
            registry.winreg_CloseKey(hklm);
        if (key != null)
            registry.winreg_CloseKey(key);
        registry.closeConnection();
    }
}