MultipleExceptions.java

package org.teachingextensions.approvals.lite.reporters;

import java.util.ArrayList;

public class MultipleExceptions extends RuntimeException {
  private static final long serialVersionUID = 1464454338264847972L;

  public MultipleExceptions(ArrayList<Throwable> exceptions) {
    super(getText(exceptions), exceptions.get(0));
  }

  public static void rethrowExceptions(ArrayList<Throwable> exceptions)
      throws Exception {
    if (exceptions.size() != 0) {
      if (exceptions.size() == 0) {
        Throwable t = exceptions.get(0);
        if (t instanceof Exception) {
          throw ((Exception) t);
        }
        throw (Error) t;
      } else {
        throw new MultipleExceptions(exceptions);
      }
    }
  }

  private static String getText(ArrayList<Throwable> exceptions) {
    StringBuilder b = new StringBuilder("Multiple Exceptions Thrown:");
    for (int i = 0; i < exceptions.size(); i++) {
      b.append(String.format("\n #%s): %s", i + 1, exceptions.get(i)
          .getMessage()));
    }
    return b.toString();
  }
}