Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
DefaultMessage |
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| 0.0;0 |
1 | /** |
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2 | * |
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3 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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4 | * contributor license agreements. See the NOTICE file distributed with |
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5 | * this work for additional information regarding copyright ownership. |
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6 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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7 | * (the "License"); you may not use this file except in compliance with |
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8 | * 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, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | package org.apache.camel.impl; |
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19 | ||
20 | import org.apache.camel.Message; |
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21 | ||
22 | import java.util.HashMap; |
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23 | import java.util.Map; |
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24 | ||
25 | /** |
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26 | * The default implementation of {@link Message} |
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27 | * |
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28 | * @version $Revision: 540969 $ |
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29 | */ |
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30 | 836 | public class DefaultMessage extends MessageSupport { |
31 | private Map<String, Object> headers; |
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32 | ||
33 | @Override |
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34 | public String toString() { |
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35 | 84 | return "Message: " + getBody(); |
36 | } |
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37 | ||
38 | public Object getHeader(String name) { |
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39 | 57 | return getHeaders().get(name); |
40 | } |
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41 | ||
42 | public <T> T getHeader(String name, Class<T> type) { |
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43 | 12 | Object value = getHeader(name); |
44 | 12 | return getExchange().getContext().getTypeConverter().convertTo(type, value); |
45 | } |
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46 | ||
47 | public void setHeader(String name, Object value) { |
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48 | 70 | if (headers == null) { |
49 | 52 | headers = createHeaders(); |
50 | } |
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51 | 70 | headers.put(name, value); |
52 | 70 | } |
53 | ||
54 | public Map<String, Object> getHeaders() { |
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55 | 106 | if (headers == null) { |
56 | 31 | headers = createHeaders(); |
57 | } |
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58 | 106 | return headers; |
59 | } |
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60 | ||
61 | public void setHeaders(Map<String, Object> headers) { |
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62 | 0 | this.headers = headers; |
63 | 0 | } |
64 | ||
65 | public DefaultMessage newInstance() { |
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66 | 24 | return new DefaultMessage(); |
67 | } |
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68 | ||
69 | /** |
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70 | * A factory method to lazily create the headers to make it easy to create efficient Message implementations |
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71 | * which only construct and populate the Map on demand |
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72 | * |
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73 | * @return return a newly constructed Map possibly containing headers from the underlying inbound transport |
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74 | */ |
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75 | protected Map<String, Object> createHeaders() { |
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76 | 83 | HashMap<String, Object> map = new HashMap<String, Object>(); |
77 | 83 | populateInitialHeaders(map); |
78 | 83 | return map; |
79 | } |
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80 | ||
81 | /** |
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82 | * A strategy method populate the initial set of headers on an inbound message from an underlying binding |
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83 | * |
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84 | * @param map is the empty header map to populate |
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85 | */ |
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86 | protected void populateInitialHeaders(Map<String, Object> map) { |
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87 | 83 | } |
88 | } |