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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.
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package org.apache.commons.beanutils;

import com.feilong.lib.beanutils.DynaClass;

/**
 * 

* A DynaBean is a Java object that supports properties * whose names and data types, as well as values, may be dynamically modified. * To the maximum degree feasible, other components of the BeanUtils package * will recognize such beans and treat them as standard JavaBeans for the * purpose of retrieving and setting property values. *

* * @version $Id$ */ public interface DynaBean{ /** * Does the specified mapped property contain a value for the specified * key value? * * @param name * Name of the property to check * @param key * Name of the key to check * @return true if the mapped property contains a value for * the specified key, otherwise false * * @throws IllegalArgumentException * if there is no property * of the specified name */ boolean contains(String name,String key); /** * Return the value of a simple property with the specified name. * * @param name * Name of the property whose value is to be retrieved * @return The property's value * * @throws IllegalArgumentException * if there is no property * of the specified name */ Object get(String name); /** * Return the value of an indexed property with the specified name. * * @param name * Name of the property whose value is to be retrieved * @param index * Index of the value to be retrieved * @return The indexed property's value * * @throws IllegalArgumentException * if there is no property * of the specified name * @throws IllegalArgumentException * if the specified property * exists, but is not indexed * @throws IndexOutOfBoundsException * if the specified index * is outside the range of the underlying property * @throws NullPointerException * if no array or List has been * initialized for this property */ Object get(String name,int index); /** * Return the value of a mapped property with the specified name, * or null if there is no value for the specified key. * * @param name * Name of the property whose value is to be retrieved * @param key * Key of the value to be retrieved * @return The mapped property's value * * @throws IllegalArgumentException * if there is no property * of the specified name * @throws IllegalArgumentException * if the specified property * exists, but is not mapped */ Object get(String name,String key); /** * Return the DynaClass instance that describes the set of * properties available for this DynaBean. * * @return The associated DynaClass */ DynaClass getDynaClass(); /** * Remove any existing value for the specified key on the * specified mapped property. * * @param name * Name of the property for which a value is to * be removed * @param key * Key of the value to be removed * * @throws IllegalArgumentException * if there is no property * of the specified name */ void remove(String name,String key); /** * Set the value of a simple property with the specified name. * * @param name * Name of the property whose value is to be set * @param value * Value to which this property is to be set * * @throws ConversionException * if the specified value cannot be * converted to the type required for this property * @throws IllegalArgumentException * if there is no property * of the specified name * @throws NullPointerException * if an attempt is made to set a * primitive property to null */ void set(String name,Object value); /** * Set the value of an indexed property with the specified name. * * @param name * Name of the property whose value is to be set * @param index * Index of the property to be set * @param value * Value to which this property is to be set * * @throws ConversionException * if the specified value cannot be * converted to the type required for this property * @throws IllegalArgumentException * if there is no property * of the specified name * @throws IllegalArgumentException * if the specified property * exists, but is not indexed * @throws IndexOutOfBoundsException * if the specified index * is outside the range of the underlying property */ void set(String name,int index,Object value); /** * Set the value of a mapped property with the specified name. * * @param name * Name of the property whose value is to be set * @param key * Key of the property to be set * @param value * Value to which this property is to be set * * @throws ConversionException * if the specified value cannot be * converted to the type required for this property * @throws IllegalArgumentException * if there is no property * of the specified name * @throws IllegalArgumentException * if the specified property * exists, but is not mapped */ void set(String name,String key,Object value); }