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Java > Open Source Codes > net > sourceforge > cruisecontrol > interceptor > DetailsInterceptor


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2  * CruiseControl, a Continuous Integration Toolkit
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37 package net.sourceforge.cruisecontrol.interceptor;
38
39 import java.io.IOException JavaDoc;
40 import java.util.Map JavaDoc;
41
42 import javax.management.AttributeNotFoundException JavaDoc;
43 import javax.management.InstanceNotFoundException JavaDoc;
44 import javax.management.MBeanException JavaDoc;
45 import javax.management.ReflectionException JavaDoc;
46
47 import net.sourceforge.cruisecontrol.Configuration;
48 import net.sourceforge.cruisecontrol.PluginConfiguration;
49 import net.sourceforge.cruisecontrol.PluginDetail;
50
51 import org.jdom.JDOMException;
52
53 import com.opensymphony.xwork.Action;
54 import com.opensymphony.xwork.ActionContext;
55 import com.opensymphony.xwork.ActionInvocation;
56 import com.opensymphony.xwork.interceptor.AroundInterceptor;
57
58 /**
59  * Understands how to load plugin details for DetailsAware actions.
60  */
61 public class DetailsInterceptor extends AroundInterceptor {
62     protected void before(ActionInvocation invocation) throws Exception JavaDoc {
63         Action action = invocation.getAction();
64
65         if (action instanceof DetailsAware) {
66             ActionContext invocationContext = invocation.getInvocationContext();
67             Map JavaDoc parameters = invocationContext.getParameters();
68             String JavaDoc pluginName = ((String JavaDoc[]) parameters.get("pluginName"))[0];
69             String JavaDoc pluginType = ((String JavaDoc[]) parameters.get("pluginType"))[0];
70
71             Configuration configuration = (Configuration) invocationContext.getSession().get("cc-configuration");
72
73             PluginConfiguration details = getPluginConfiguration(pluginName, pluginType, configuration);
74             ((DetailsAware) action).setDetails(details);
75         }
76     }
77
78     protected void after(ActionInvocation dispatcher, String JavaDoc result) throws Exception JavaDoc {
79     }
80
81     private PluginConfiguration getPluginConfiguration(String JavaDoc name, String JavaDoc type, Configuration configuration)
82             throws AttributeNotFoundException JavaDoc, InstanceNotFoundException JavaDoc, MBeanException JavaDoc, ReflectionException JavaDoc,
83             IOException JavaDoc, JDOMException {
84         PluginLocator locator = new PluginLocator(configuration);
85         PluginDetail pluginDetail = locator.getPluginDetail(name, type);
86         return new PluginConfiguration(pluginDetail, configuration);
87     }
88 }
89
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