Hiberante Interceptor

java 代码

public class CryptoInterceptor extends EmptyInterceptor {

    public boolean onLoad(Object entity, Serializable id, Object[] state,
            String[] propertyNames, Type[] types) {
        if (entity instanceof Worker) {
            for (int i = 0; i < propertyNames.length; i++) {
                if ("wkrPhone".equals(propertyNames[i])) {
                    String phone = (String) state[i];
                    if (phone != null && !"".equals(phone)) {
                        state[i] = CryptoUtils.decrypt(phone);
                    }
                }
            }
        }
        return true;
    }

    public boolean onFlushDirty(Object entity, Serializable id, Object[] state,
            String[] propertyNames, Type[] types) {
        if (entity instanceof Worker) {
            for (int i = 0; i < propertyNames.length; i++) {
                if ("wkrPhone".equals(propertyNames[i])) {
                    String phone = (String) state[i];
                    if (phone != null && !"".equals(phone)) {
                        state[i] = CryptoUtils.encrypt(phone);
                    }
                }
            }
        }
        return true;
    }

    public boolean onSave(Object entity, Serializable id, Object[] state,
            String[] propertyNames, Type[] types) {
        if (entity instanceof Worker) {
            for (int i = 0; i < propertyNames.length; i++) {
                if ("wkrPhone".equals(propertyNames[i])) {
                    String phone = (String) state[i];
                    if (phone != null && !"".equals(phone)) {
                        state[i] = CryptoUtils.encrypt(phone);
                    }
                }
            }
        }
        return true;
    }

    public int[] findDirty(Object entity, Serializable id,
            Object[] currentState, Object[] previousState,
            String[] propertyNames, Type[] types) {
        boolean forceUpdate = false;

        int[] results = null;
        int count = 0;
        if (entity instanceof Worker) {
            for (int i = 0; i < types.length; i++) {
                if (propertyNames[i].equalsIgnoreCase("wkrPhone")) {
                    String currentPhone = (String) currentState[i];
                    String previusPhone = (String) previousState[i];
                    if (currentPhone != null && !"".equals(currentPhone)) {
                        if (!currentPhone.equals(previusPhone)) {
                            forceUpdate = true;
                            currentState[i] = CryptoUtils.encrypt(currentPhone);
                        }
                    }
                }

                if (results == null) {
                    results = new int[types.length];
                }
                results[count++] = i;
            }
        }

        if (count == 0) {
            return null;
        } else {
            int[] trimmed = new int[count];
            System.arraycopy(results, 0, trimmed, 0, count);
            if (forceUpdate) {
                return trimmed;
            } else {
                return null;
            }
        }
    }
}

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DES 加密 | Hibernate Criteria Queries

• 2007-09-20 14:16
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