Java KeeperException.getPath方法代碼示例

import org.apache.zookeeper.KeeperException; //導入方法依賴的package包/類
private static String getMessage(Throwable cause) {
    if (cause instanceof  KeeperException) {
        KeeperException keeperException = (KeeperException) cause;
        if (keeperException instanceof KeeperException.NoNodeException) {
            return "Node does not exist: " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.NoChildrenForEphemeralsException) {
            return "Ephemerals cannot have children: " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.NodeExistsException) {
            return "Node already exists: " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.NotEmptyException) {
            return "Node not empty: " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.NotReadOnlyException) {
            return "Not a read-only call: " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.InvalidACLException) {
            return "Acl is not valid : " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.NoAuthException) {
            return "Authentication is not valid : " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.BadArgumentsException) {
            return "Arguments are not valid : " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.BadVersionException) {
            return "version No is not valid : " + keeperException.getPath();
        } else if (keeperException instanceof KeeperException.ReconfigInProgress) {
            return "Another reconfiguration is in progress -- concurrent " +
                    "reconfigs not supported (yet)";
        } else if (keeperException instanceof KeeperException.NewConfigNoQuorum) {
            return "No quorum of new config is connected and " +
                    "up-to-date with the leader of last commmitted config - try invoking reconfiguration after " +
                    "new servers are connected and synced";
        }
    }
    return cause.getMessage();
}
 

import org.apache.zookeeper.KeeperException; //導入方法依賴的package包/類
public static void reportError(Throwable t) {
    Throwable cause = t.getCause();
    if (cause != null && cause != t) {
        reportError(cause);
        return;
    }

    boolean showCustomErrorMessageDialog = false;
    int style = StatusManager.LOG;
    String title = "Error";
    String message = t.getLocalizedMessage();
    if (t instanceof KeeperException) {

        KeeperException ke = (KeeperException) t;

        title = "ZooKeeper Error";
        showCustomErrorMessageDialog = true;

        if (ke instanceof InvalidACLException) {
            title = "Invalid ACL";
            message = "ACL is invalid for '" + ke.getPath() + "'.";
        }
        else if (ke instanceof NodeExistsException) {
            title = "Znode Exists";
            message = "Znode '" + ke.getPath() + "' already exists.";
        }
        else if (ke instanceof NoAuthException) {
            title = "Not Authorized";
            message = "Not authorized to perform this action on '" + ke.getPath() + "'.";
        }
        else if (ke instanceof NoNodeException) {
            title = "No Znode";
            message = "Znode '" + ke.getPath() + "' does not exist.";
        }
        else if (ke instanceof NotEmptyException) {
            title = "Not Empty";
            message = "Znode '" + ke.getPath() + "' has children.";
        }

    }

    if (showCustomErrorMessageDialog) {
        MessageDialog.openError(Display.getCurrent().getActiveShell(), title, message);
    }
    else {
        style = style | StatusManager.BLOCK;
    }

    Status status = new Status(IStatus.ERROR, PLUGIN_ID, message, t);
    StatusManager.getManager().handle(status, style);
}
 

import org.apache.zookeeper.KeeperException; //導入方法依賴的package包/類
public Response toResponse(KeeperException e) {
    Response.Status status;
    String message;

    String path = e.getPath();

    switch(e.code()) {
    case AUTHFAILED:
        status = Response.Status.UNAUTHORIZED;
        message = path + " not authorized";
        break;
    case BADARGUMENTS:
        status = Response.Status.BAD_REQUEST;
        message = path + " bad arguments";
        break;
    case BADVERSION:
        status = Response.Status.PRECONDITION_FAILED;
        message = path + " bad version";
        break;
    case INVALIDACL:
        status = Response.Status.BAD_REQUEST;
        message = path + " invalid acl";
        break;
    case NODEEXISTS:
        status = Response.Status.CONFLICT;
        message = path + " already exists";
        break;
    case NONODE:
        status = Response.Status.NOT_FOUND;
        message = path + " not found";
        break;
    case NOTEMPTY:
        status = Response.Status.CONFLICT;
        message = path + " not empty";
        break;
    default:
        status = Response.Status.fromStatusCode(502); // bad gateway
        message = "Error processing request for " + path
            + " : " + e.getMessage();
    }

    return Response.status(status).entity(
            new ZError(ui.getRequestUri().toString(), message)).build();
}