/* * Copyright (c) 2008-2014 MongoDB, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.bson; /** * A field name validator, for use by BSON writers to validate field names as documents are encoded. * * @since 3.0 */ public interface FieldNameValidator { /** * Returns true if the field name is valid, false otherwise. * * @param fieldName the field name * @return true if the field name is valid, false otherwise */ boolean validate(String fieldName); /** * Gets a new validator to use for the value of the field with the given name. * * @param fieldName the field name * @return a non-null validator */ FieldNameValidator getValidatorForField(String fieldName); }