ExecutionException.java

package de.vipra.cmd;

import java.util.List;

public class ExecutionException extends Exception {

	private static final long serialVersionUID = 1L;

	private List<Exception> exceptions;

	public ExecutionException(String msg) {
		super(msg);
	}

	public ExecutionException(Exception e) {
		super(e);
	}

	public ExecutionException(List<Exception> e) {
		this.exceptions = e;
	}

	@Override
	public String getMessage() {
		if (exceptions == null) {
			return super.getMessage();
		} else if (exceptions.size() == 1) {
			return exceptions.get(0).getMessage();
		} else {
			StringBuilder sb = new StringBuilder("multiple errors:");
			for (Exception e : exceptions) {
				sb.append("\n  " + e.getMessage());
			}
			return sb.toString();
		}
	}

}