001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package org.apache.commons.jxpath; 019 020import java.io.Serializable; 021 022/** 023 * A Container is an object implementing an indirection mechanism transparent to JXPath. For example, if property "foo" of the context node has a Container as 024 * its value, the XPath "foo" will produce the contents of that Container, rather than the container itself. 025 */ 026public interface Container extends Serializable { 027 028 /** 029 * Returns the contained value. 030 * 031 * @return Object value 032 */ 033 Object getValue(); 034 035 /** 036 * Modifies the value contained by this container. May throw UnsupportedOperationException. 037 * 038 * @param value Object value to set. 039 */ 040 void setValue(Object value); 041}