//
   //  ========================================================================
   //  Copyright (c) 1995-2013 Mort Bay Consulting Pty. Ltd.
   //  ------------------------------------------------------------------------
   //  All rights reserved. This program and the accompanying materials
   //  are made available under the terms of the Eclipse Public License v1.0
   //  and Apache License v2.0 which accompanies this distribution.
   //
   //      The Eclipse Public License is available at
  //      http://www.eclipse.org/legal/epl-v10.html
  //
  //      The Apache License v2.0 is available at
  //      http://www.opensource.org/licenses/apache2.0.php
  //
  //  You may elect to redistribute this code under either of these licenses.
  //  ========================================================================
  //
  
  package org.eclipse.jetty.websocket.common.events.annotated;
  
  import java.lang.annotation.Annotation;
  import java.lang.reflect.Method;
  
  import org.eclipse.jetty.util.StringUtil;
  import org.eclipse.jetty.websocket.api.InvalidWebSocketException;
  import org.eclipse.jetty.websocket.common.events.ParamList;
  
  @SuppressWarnings("serial")
  public class InvalidSignatureException extends InvalidWebSocketException
  {
      public static InvalidSignatureException build(Method method, Class<? extends Annotation> annoClass, ParamList... paramlists)
      {
          // Build big detailed exception to help the developer
          StringBuilder err = new StringBuilder();
          err.append("Invalid declaration of ");
          err.append(method);
          err.append(StringUtil.__LINE_SEPARATOR);
  
          err.append("Acceptable method declarations for @");
          err.append(annoClass.getSimpleName());
          err.append(" are:");
          for (ParamList validParams : paramlists)
          {
              for (Class<?>[] params : validParams)
              {
                  err.append(StringUtil.__LINE_SEPARATOR);
                  err.append("public void ").append(method.getName());
                  err.append('(');
                  boolean delim = false;
                  for (Class<?> type : params)
                  {
                      if (delim)
                      {
                          err.append(',');
                      }
                      err.append(' ');
                      err.append(type.getName());
                      if (type.isArray())
                      {
                          err.append("[]");
                      }
                      delim = true;
                  }
                  err.append(')');
              }
          }
          return new InvalidSignatureException(err.toString());
      }
  
      public InvalidSignatureException(String message)
      {
          super(message);
      }
  
      public InvalidSignatureException(String message, Throwable cause)
      {
          super(message,cause);
      }
  }