001    // Copyright 2008 The Apache Software Foundation
002    //
003    // Licensed under the Apache License, Version 2.0 (the "License");
004    // you may not use this file except in compliance with the License.
005    // You may obtain a copy of the License at
006    //
007    //     http://www.apache.org/licenses/LICENSE-2.0
008    //
009    // Unless required by applicable law or agreed to in writing, software
010    // distributed under the License is distributed on an "AS IS" BASIS,
011    // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012    // See the License for the specific language governing permissions and
013    // limitations under the License.
014    
015    package org.apache.tapestry5.ioc.internal.services;
016    
017    import javassist.CtClass;
018    
019    /**
020     * Used when generating new classes on the fly.
021     *
022     * @see org.apache.tapestry5.ioc.services.ClassFactory
023     */
024    public interface CtClassSource
025    {
026        /**
027         * Returns the number of classes created.
028         */
029        int getCreatedClassCount();
030    
031        /**
032         * Converts an existing class to a CtClass instance.
033         */
034        CtClass toCtClass(Class searchClass);
035    
036        /**
037         * Converts a class name to a CtClass instance.
038         */
039        CtClass toCtClass(String name);
040    
041        /**
042         * Createa a new CtClass instance.
043         */
044        CtClass newClass(String name, Class superClass);
045    
046        /**
047         * Used after constructing the CtClass fully, to convert it into a Class ready to be instantiated.
048         */
049        Class createClass(CtClass ctClass);
050    }