Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
DefaultComponentResolver |
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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.CamelContext; |
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21 | import org.apache.camel.Component; |
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22 | import org.apache.camel.Exchange; |
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23 | import org.apache.camel.spi.ComponentResolver; |
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24 | import org.apache.camel.util.FactoryFinder; |
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25 | import org.apache.camel.util.NoFactoryAvailableException; |
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26 | ||
27 | /** |
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28 | * The default implementation of {@link ComponentResolver} |
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29 | * which tries to find components by using the URI scheme prefix and searching for a file of the URI |
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30 | * scheme name in the <b>META-INF/services/org/apache/camel/component/</b> |
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31 | * directory on the classpath. |
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32 | * |
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33 | * @version $Revision: 530555 $ |
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34 | */ |
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35 | 43 | public class DefaultComponentResolver<E extends Exchange> implements ComponentResolver<E> { |
36 | 1 | protected static final FactoryFinder componentFactory = new FactoryFinder("META-INF/services/org/apache/camel/component/"); |
37 | ||
38 | public Component<E> resolveComponent(String name, CamelContext context) { |
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39 | Class type; |
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40 | try { |
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41 | 67 | type = componentFactory.findClass(name); |
42 | } |
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43 | 0 | catch (NoFactoryAvailableException e) { |
44 | 0 | return null; |
45 | } |
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46 | 0 | catch (Throwable e) { |
47 | 0 | throw new IllegalArgumentException("Invalid URI, no EndpointResolver registered for scheme : " + name, e); |
48 | 67 | } |
49 | 67 | if (type == null) { |
50 | 0 | return null; |
51 | } |
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52 | 67 | if (Component.class.isAssignableFrom(type)) { |
53 | 67 | return (Component<E>)context.getInjector().newInstance(type); |
54 | } |
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55 | else { |
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56 | 0 | throw new IllegalArgumentException("Type is not a Component implementation. Found: " + type.getName()); |
57 | } |
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58 | } |
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59 | } |