Java tutorial
/* * Copyright 2001-2004 The Apache Software Foundation. * * 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.apache.commons.beanutils; /** * <p>A <strong>DynaClass</strong> is a simulation of the functionality of * <code>java.lang.Class</code> for classes implementing the * <code>DynaBean</code> interface. DynaBean instances that share the same * DynaClass all have the same set of available properties, along with any * associated data types, read-only states, and write-only states.</p> * * @author Craig McClanahan * @author Michael Smith * @author Paulo Gaspar * @version $Revision: 1.12 $ $Date: 2004/02/28 13:18:33 $ */ public interface DynaClass { /** * Return the name of this DynaClass (analogous to the * <code>getName()</code> method of <code>java.lang.Class</code), which * allows the same <code>DynaClass</code> implementation class to support * different dynamic classes, with different sets of properties. */ public String getName(); /** * Return a property descriptor for the specified property, if it exists; * otherwise, return <code>null</code>. * * @param name Name of the dynamic property for which a descriptor * is requested * * @exception IllegalArgumentException if no property name is specified */ public DynaProperty getDynaProperty(String name); /** * <p>Return an array of <code>ProperyDescriptors</code> for the properties * currently defined in this DynaClass. If no properties are defined, a * zero-length array will be returned.</p> * * <p><strong>FIXME</strong> - Should we really be implementing * <code>getBeanInfo()</code> instead, which returns property descriptors * and a bunch of other stuff?</p> */ public DynaProperty[] getDynaProperties(); /** * Instantiate and return a new DynaBean instance, associated * with this DynaClass. * * @exception IllegalAccessException if the Class or the appropriate * constructor is not accessible * @exception InstantiationException if this Class represents an abstract * class, an array class, a primitive type, or void; or if instantiation * fails for some other reason */ public DynaBean newInstance() throws IllegalAccessException, InstantiationException; }