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Java > Open Source Codes > org > apache > hivemind > service > impl > BuilderErrorLogFacet


1 // Copyright 2004, 2005 The Apache Software Foundation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14
15 package org.apache.hivemind.service.impl;
16
17 import org.apache.hivemind.ErrorLog;
18 import org.apache.hivemind.ServiceImplementationFactoryParameters;
19
20 /**
21  * Exposes the service's {@link org.apache.hivemind.internal.ExtensionPoint#getErrorLog() error log}
22  * as a constructor parameter or a property.
23  *
24  * @author Howard M. Lewis Ship
25  * @since 1.1
26  */
27 public class BuilderErrorLogFacet extends BuilderFacet
28 {
29
30     public Object JavaDoc getFacetValue(ServiceImplementationFactoryParameters factoryParameters,
31             Class JavaDoc targetType)
32     {
33         return factoryParameters.getErrorLog();
34     }
35
36     public boolean isAssignableToType(ServiceImplementationFactoryParameters factoryParameters,
37             Class JavaDoc targetType)
38     {
39         return targetType == ErrorLog.class;
40     }
41
42     protected String JavaDoc getDefaultPropertyName()
43     {
44         return "errorLog";
45     }
46
47     /** @since 1.1 */
48     public boolean canAutowireConstructorParameter()
49     {
50         return true;
51     }
52 }
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