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private static volatile JAWT jawt;
/** Helper routine for all users to call to access the JAWT. */
public static JAWT getJAWT() {
if (jawt == null) {
synchronized (JAWT.class) {
if (jawt == null) {
JAWTUtil.initSingleton();
// Workaround for 4845371.
// Make sure the first reference to the JNI GetDirectBufferAddress is done
// from a privileged context so the VM's internal class lookups will succeed.
AccessController.doPrivileged(new PrivilegedAction() {
public Object run() {
JAWT j = JAWT.create();
j.setVersion(JAWTFactory.JAWT_VERSION_1_4);
if (!JAWTFactory.JAWT_GetAWT(j)) {
throw new RuntimeException("Unable to initialize JAWT");
}
jawt = j;
return null;
}
});
}
}
}
return jawt;
}
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