RuntimeError.java

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// -*- mode: java; c-basic-offset: 2; -*-
// Copyright 2009-2011 Google, All Rights reserved
// Copyright 2011-2012 MIT, All rights reserved
// Released under the Apache License, Version 2.0
// http://www.apache.org/licenses/LICENSE-2.0
 
package com.google.appinventor.components.runtime.errors;
 
import com.google.appinventor.components.annotations.SimpleObject;
 
@SimpleObject
public abstract class RuntimeError extends RuntimeException {
 
  protected RuntimeError() {
  }
 
  protected RuntimeError(String message) {
    super(message);
  }
 
  public static RuntimeError convertToRuntimeError(Throwable throwable) {
    if (throwable instanceof RuntimeError) {
      return (RuntimeError) throwable;
    }
 
    // Conversions of Java exceptions
    if (throwable instanceof ArrayIndexOutOfBoundsException) {
      return new ArrayIndexOutOfBoundsError();
    }
    if (throwable instanceof IllegalArgumentException) {
      return new IllegalArgumentError();
    }
    if (throwable instanceof NullPointerException) {
      return new UninitializedInstanceError();
    }
 
    // TODO(user): needs to be implemented
    throw new UnsupportedOperationException(throwable);
  }
}