/**
* Gets the java home folder through the process ID of this process.
*
* @return The path to the java folder
* @throws CLIException Reporting a failure to retrieve the java home directory
*/
private String getJavaHomeDirectory() throws CLIException {
try {
final Sigar sigar = SigarHolder.getSigar();
final long thisProcessPid = sigar.getPid();
// get the java path of the current running process.
final String javaFilePath = sigar.getProcExe(thisProcessPid).getName();
final File javaFile = new File(javaFilePath);
// Locate the java folder.
final File javaFolder = javaFile.getParentFile().getParentFile();
final String javaFolderPath = javaFolder.getAbsolutePath();
return javaFolderPath;
} catch (final SigarException e) {
throw new CLIException("Failed to set the JAVA_HOME environment variable.", e);
}
}
