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