package org.apache.maven.shared.dependency.graph.internal;
/*
* 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.
*/
import org.apache.maven.shared.dependency.graph.DependencyGraphBuilderException;
import java.lang.reflect.InvocationTargetException;
/**
* Invokes method on objects using reflection.
*/
final class Invoker
{
private Invoker()
{
// do not instantiate
}
public static Object invoke( Object object, String method )
throws DependencyGraphBuilderException
{
return invoke( object.getClass(), object, method );
}
public static Object invoke( Class<?> objectClazz, Object object, String method )
throws DependencyGraphBuilderException
{
try
{
return objectClazz.getMethod( method ).invoke( object );
}
catch ( IllegalAccessException e )
{
throw new DependencyGraphBuilderException( e.getMessage(), e );
}
catch ( InvocationTargetException e )
{
throw new DependencyGraphBuilderException( e.getMessage(), e );
}
catch ( NoSuchMethodException e )
{
throw new DependencyGraphBuilderException( e.getMessage(), e );
}
}
public static Object invoke( Object object, String method, Class<?> clazz, Object arg )
throws DependencyGraphBuilderException
{
try
{
final Class<?> objectClazz = object.getClass();
return objectClazz.getMethod( method, clazz ).invoke( object, arg );
}
catch ( IllegalAccessException e )
{
throw new DependencyGraphBuilderException( e.getMessage(), e );
}
catch ( InvocationTargetException e )
{
throw new DependencyGraphBuilderException( e.getMessage(), e );
}
catch ( NoSuchMethodException e )
{
throw new DependencyGraphBuilderException( e.getMessage(), e );
}
}
}