Commons Beanutils example source code file (DynaClass.java)

This example Commons Beanutils source code file (DynaClass.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons Beanutils tags/keywords

dynabean, dynabean, dynaclass, dynaproperty, dynaproperty, illegalaccessexception, illegalaccessexception, instantiationexception, string, string

The Commons Beanutils DynaClass.java source code

/*
 * 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.
 */


package org.apache.commons.beanutils;





/**
 * <p>A DynaClass is a simulation of the functionality of
 * <code>java.lang.Class for classes implementing the
 * <code>DynaBean 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: 555824 $ $Date: 2007-07-13 01:27:15 +0100 (Fri, 13 Jul 2007) $
 */

public interface DynaClass {


    /**
     * Return the name of this DynaClass (analogous to the
     * <code>getName() method of java.lang.Class implementation class to support
     * different dynamic classes, with different sets of properties.
     *
     * @return the name of the DynaClass
     */
    public String getName();


    /**
     * Return a property descriptor for the specified property, if it exists;
     * otherwise, return <code>null.
     *
     * @param name Name of the dynamic property for which a descriptor
     *  is requested
     * @return The descriptor for the specified property
     *
     * @exception IllegalArgumentException if no property name is specified
     */
    public DynaProperty getDynaProperty(String name);


    /**
     * <p>Return an array of ProperyDescriptors for the properties
     * currently defined in this DynaClass.  If no properties are defined, a
     * zero-length array will be returned.</p>
     *
     * <p>FIXME - Should we really be implementing
     * <code>getBeanInfo() instead, which returns property descriptors
     * and a bunch of other stuff?</p>
     *
     * @return the set of properties for this DynaClass
     */
    public DynaProperty[] getDynaProperties();


    /**
     * Instantiate and return a new DynaBean instance, associated
     * with this DynaClass.
     *
     * @return A new <code>DynaBean instance
     *
     * @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;


}