| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
| DefaultMessage |
|
| 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 | } |