Copyright 2010 the original author or authors.
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.
/**
 * Copyright 2010 the original author or authors.
 *
 * 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.I0Itec.zkclient;

import org.I0Itec.zkclient.exception.ZkInterruptedException;

public class ExceptionUtil {

    public static RuntimeException convertToRuntimeException(Throwable e) {
        if (e instanceof RuntimeException) {
            return (RuntimeException) e;
        }
        retainInterruptFlag(e);
        return new RuntimeException(e);
    }

    
This sets the interrupt flag if the catched exception was an InterruptedException. Catching such an exception always clears the interrupt flag. 
Params:
catchedException – 
           The catched exception./**
     * This sets the interrupt flag if the catched exception was an {@link InterruptedException}. Catching such an
     * exception always clears the interrupt flag.
     * 
     * @param catchedException
     *            The catched exception.
     */
    public static void retainInterruptFlag(Throwable catchedException) {
        if (catchedException instanceof InterruptedException) {
            Thread.currentThread().interrupt();
        }
    }

    public static void rethrowInterruptedException(Throwable e) throws InterruptedException {
        if (e instanceof InterruptedException) {
            throw (InterruptedException) e;
        }
        if (e instanceof ZkInterruptedException) {
            throw (ZkInterruptedException) e;
        }
    }
}