public void checkReadPermission(IRI GraphUri) {
if (GraphUri.equals(permissionGraphName)) {
// This is world readable, as this prevents as from doingf things as
// priviledged during verfification
return;
}
SecurityManager security = System.getSecurityManager();
if (security != null) {
// will AllPermissions the rest is obsolete
try {
AccessController.checkPermission(new AllPermission());
} catch (AccessControlException e) {
Collection<Permission> perms = getRequiredReadPermissions(GraphUri);
if (perms.size() > 0) {
for (Permission permission : perms) {
AccessController.checkPermission(permission);
}
} else {
AccessController.checkPermission(
new TcPermission(GraphUri.getUnicodeString(), TcPermission.READ));
}
}
}
}
public void checkReadWritePermission(IRI GraphUri) {
SecurityManager security = System.getSecurityManager();
if (security != null) {
// will AllPermissions the rest is obsolete
try {
AccessController.checkPermission(new AllPermission());
} catch (AccessControlException e) {
if (GraphUri.equals(permissionGraphName)) {
AccessController.checkPermission(
new TcPermission(GraphUri.getUnicodeString(), TcPermission.READWRITE));
} else {
Collection<Permission> perms = getRequiredReadWritePermissions(GraphUri);
if (perms.size() > 0) {
for (Permission permission : perms) {
AccessController.checkPermission(permission);
}
} else {
AccessController.checkPermission(
new TcPermission(GraphUri.getUnicodeString(), TcPermission.READWRITE));
}
}
}
}
}