/*
 * JBoss, Home of Professional Open Source
 * Copyright 2016 Red Hat Inc. and/or its affiliates and other contributors
 * as indicated by the @authors tag. All rights reserved.
 * See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * Licensed 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 org.jboss.arquillian.test.spi;

import java.util.Collections;
import java.util.List;

public class CombinedException extends Exception
{

   private final List<Throwable> causes;

   public CombinedException(String message, List<Throwable> causes)
   {
      super(message);
      this.causes = Collections.unmodifiableList(causes);
   }

   public CombinedException(String message)
   {
      super(message);
      this.causes = Collections.emptyList();
   }

   public CombinedException(String message, Throwable cause)
   {
      super(message, cause);
      this.causes = Collections.singletonList(cause);
   }

   public CombinedException(Throwable cause)
   {
      super(cause);
      this.causes = Collections.singletonList(cause);
   }

   public List<Throwable> getCauses()
   {
      return causes;
   }

   @Override
   public String getMessage()
   {
      final StringBuilder builder = new StringBuilder();
      for (int i = 0; i < causes.size(); i++)
      {
         final Throwable cause = causes.get(i);
         builder.append(String.format("Exception %d: '[%s] %s'%n", i + 1, cause.getClass().getName(), cause.getMessage()));
      }
      return builder.toString();
   }
}
