de.micromata.genome.util.runtime.ExceptionUtils.java Source code

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Here is the source code for de.micromata.genome.util.runtime.ExceptionUtils.java

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//
// Copyright (C) 2010-2016 Micromata GmbH
//
// 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 de.micromata.genome.util.runtime;

/**
 * Extension to common lang exception utils.
 *
 * @author Roger Rene Kommer (r.kommer@micromata.de)
 */
public class ExceptionUtils extends org.apache.commons.lang3.exception.ExceptionUtils {

    /**
     * Rethrow an exception into Error, RuntimeException or Exception declared. If non, a RuntimeException will be used.
     *
     * @param ex the ex
     * @param declared the declared
     * @throws Exception the exception
     */
    public static void wrappException(Throwable ex, Class<? extends Exception>... declared) throws Exception {
        if (ex instanceof Error) {
            throw (Error) ex;
        }
        if (ex instanceof RuntimeException) {
            throw (RuntimeException) ex;
        }
        for (Class<? extends Exception> ce : declared) {
            if (ce.isAssignableFrom(ex.getClass()) == true) {
                throw (Exception) ex;
            }
        }
        throw new RuntimeException(ex);
    }

    /**
     * Unwrapp an rethrow Throwable as Exception or Error.
     *
     * @param ex the ex
     * @throws Exception the exception
     */
    public static void throwUnwrappedThrowableToException(Throwable ex) throws Exception {
        if (ex instanceof Error) {
            throw (Error) ex;
        }
        if (ex instanceof Exception) {
            throw (Exception) ex;
        }
        throw new IllegalArgumentException("Exception is Neither error or Exception: " + ex.getClass(), ex);
    }
}