1 | /**************************************************************** |
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2 | * Licensed to the Apache Software Foundation (ASF) under one * |
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3 | * or more contributor license agreements. See the NOTICE file * |
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4 | * distributed with this work for additional information * |
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5 | * regarding copyright ownership. The ASF licenses this file * |
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6 | * to you under the Apache License, Version 2.0 (the * |
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7 | * "License"); you may not use this file except in compliance * |
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8 | * with the License. You may obtain a copy of the License at * |
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9 | * * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 * |
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11 | * * |
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12 | * Unless required by applicable law or agreed to in writing, * |
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13 | * software distributed under the License is distributed on an * |
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14 | * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * |
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15 | * KIND, either express or implied. See the License for the * |
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16 | * specific language governing permissions and limitations * |
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17 | * under the License. * |
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18 | ****************************************************************/ |
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19 | |
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20 | package org.apache.james.mime4j; |
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21 | |
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22 | import java.io.IOException; |
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23 | |
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24 | /** |
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25 | * A wrapper class based on {@link IOException} for MIME protocol exceptions. |
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26 | * <p> |
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27 | * This exception is used to signal a <code>MimeException</code> in methods |
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28 | * that only permit <code>IOException</code> to be thrown. |
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29 | * <p> |
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30 | * The cause of a <code>MimeIOException</code> is always a |
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31 | * <code>MimeException</code> therefore. |
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32 | */ |
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33 | public class MimeIOException extends IOException { |
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34 | |
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35 | private static final long serialVersionUID = 5393613459533735409L; |
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36 | |
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37 | /** |
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38 | * Constructs an IO exception based on {@link MimeException}. |
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39 | * |
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40 | * @param cause the cause. |
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41 | */ |
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42 | public MimeIOException(MimeException cause) { |
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43 | super(cause == null ? null : cause.getMessage()); |
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44 | initCause(cause); |
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45 | } |
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46 | |
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47 | /** |
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48 | * Returns the <code>MimeException</code> that caused this |
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49 | * <code>MimeIOException</code>. |
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50 | * |
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51 | * @return the cause of this <code>MimeIOException</code>. |
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52 | */ |
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53 | @Override |
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54 | public MimeException getCause() { |
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55 | return (MimeException) super.getCause(); |
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56 | } |
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57 | |
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58 | } |
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