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.field; |
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21 | |
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22 | import org.apache.james.mime4j.codec.DecodeMonitor; |
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23 | import org.apache.james.mime4j.dom.field.ContentTransferEncodingField; |
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24 | import org.apache.james.mime4j.util.ByteSequence; |
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25 | import org.apache.james.mime4j.util.MimeUtil; |
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26 | |
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27 | /** |
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28 | * Represents a <code>Content-Transfer-Encoding</code> field. |
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29 | */ |
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30 | public class ContentTransferEncodingFieldImpl extends AbstractField implements ContentTransferEncodingField { |
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31 | private String encoding; |
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32 | |
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33 | ContentTransferEncodingFieldImpl(String name, String body, ByteSequence raw, DecodeMonitor monitor) { |
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34 | super(name, body, raw, monitor); |
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35 | encoding = body.trim().toLowerCase(); |
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36 | } |
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37 | |
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38 | /** |
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39 | * @see org.apache.james.mime4j.dom.field.ContentTransferEncodingField#getEncoding() |
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40 | */ |
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41 | public String getEncoding() { |
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42 | return encoding; |
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43 | } |
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44 | |
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45 | /** |
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46 | * Gets the encoding of the given field if. Returns the default |
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47 | * <code>7bit</code> if not set or if <code>f</code> is |
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48 | * <code>null</code>. |
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49 | * |
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50 | * @return the encoding. |
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51 | */ |
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52 | public static String getEncoding(ContentTransferEncodingField f) { |
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53 | if (f != null && f.getEncoding().length() != 0) { |
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54 | return f.getEncoding(); |
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55 | } |
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56 | return MimeUtil.ENC_7BIT; |
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57 | } |
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58 | |
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59 | static final FieldParser<ContentTransferEncodingFieldImpl> PARSER = new FieldParser<ContentTransferEncodingFieldImpl>() { |
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60 | public ContentTransferEncodingFieldImpl parse(final String name, final String body, |
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61 | final ByteSequence raw, DecodeMonitor monitor) { |
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62 | return new ContentTransferEncodingFieldImpl(name, body, raw, monitor); |
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63 | } |
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64 | }; |
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65 | } |
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