/*
 * 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 freemarker.ext.beans;

import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelException;

Packs a Method or Constructor together with its parameter types. The actual Method or Constructor is not exposed by the API, because in rare cases calling them require type conversion that the Java reflection API can't do, hence the developer shouldn't be tempted to call them directly. /**
 * Packs a {@link Method} or {@link Constructor} together with its parameter types. The actual
 * {@link Method} or {@link Constructor} is not exposed by the API, because in rare cases calling them require
 * type conversion that the Java reflection API can't do, hence the developer shouldn't be tempted to call them
 * directly. 
 */
abstract class CallableMemberDescriptor extends MaybeEmptyCallableMemberDescriptor {

    abstract TemplateModel invokeMethod(BeansWrapper bw, Object obj, Object[] args)
            throws TemplateModelException, InvocationTargetException, IllegalAccessException;

    abstract Object invokeConstructor(BeansWrapper bw, Object[] args)
            throws IllegalArgumentException, InstantiationException, IllegalAccessException, InvocationTargetException,
            TemplateModelException;
    
    abstract String getDeclaration();
    
    abstract boolean isConstructor();
    
    abstract boolean isStatic();

    abstract boolean isVarargs();

    abstract Class[] getParamTypes();

    abstract String getName();
    
}