Coverage report

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org.apache.commons.jelly.util.NestedRuntimeException

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     /*

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      * Copyright 2002,2004 The Apache Software Foundation.

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      *

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      * Licensed under the Apache License, Version 2.0 (the "License");

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      * you may not use this file except in compliance with the License.

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      * You may obtain a copy of the License at

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      *

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      *      http://www.apache.org/licenses/LICENSE-2.0

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      *

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      * Unless required by applicable law or agreed to in writing, software

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      * distributed under the License is distributed on an "AS IS" BASIS,

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      * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.

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      * See the License for the specific language governing permissions and

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      * limitations under the License.

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      */

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     package org.apache.commons.jelly.util;

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     import java.io.PrintStream;

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     import java.io.PrintWriter;

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     /**

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      * A {@link RuntimeException} which is nested to preserve stack traces.

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      *

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      * This class allows the following code to be written to convert a regular

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      * Exception into a {@link RuntimeException} without losing the stack trace.

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      *

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      * <pre>

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      *    try {

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      *        ...

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      *    } catch (Exception e) {

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      *        throw new RuntimeException(e);

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      *    }

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      * </pre>

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      *

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      * @author James Strachan

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      * @version $Revision: 155420 $

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      */

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     public class NestedRuntimeException extends RuntimeException {

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         /**

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          * Holds the reference to the exception or error that caused

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          * this exception to be thrown.

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          */

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         private Throwable cause = null;

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         /**

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          * Constructs a new <code>NestedRuntimeException</code> with specified

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          * nested <code>Throwable</code>.

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          *

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          * @param cause the exception or error that caused this exception to be

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          * thrown

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          */

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         public NestedRuntimeException(Throwable cause) {

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             super(cause.getMessage());

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             this.cause = cause;

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         }

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         /**

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          * Constructs a new <code>NestedRuntimeException</code> with specified

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          * detail message and nested <code>Throwable</code>.

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          *

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          * @param msg    the error message

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          * @param cause  the exception or error that caused this exception to be

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          * thrown

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          */

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         public NestedRuntimeException(String msg, Throwable cause) {

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             super(msg);

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             this.cause = cause;

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         }

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         public Throwable getCause() {

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             return cause;

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         }

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         public void printStackTrace() {

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             cause.printStackTrace();

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         }

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         public void printStackTrace(PrintStream out) {

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             cause.printStackTrace(out);

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         }

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         public void printStackTrace(PrintWriter out) {

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             cause.printStackTrace(out);

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         }

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     }

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