/**

* Copyright 2013 Netflix, Inc.

*

* 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 rx.util;

public class Exceptions {

private Exceptions() {

}

public static RuntimeException propagate(Throwable t) {

/**

* The return type of RuntimeException is a trick for code to be like this:

*

* throw Exceptions.propagate(e);

*

* Even though nothing will return and throw via that 'throw', it allows the code to look like it

* so it's easy to read and understand that it will always result in a throw.

*/

if (t instanceof RuntimeException) {

throw (RuntimeException) t;

} else if (t instanceof Error) {

throw (Error) t;

} else {

throw new RuntimeException(t);

}

}

}