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1
22 package org.jboss.kernel.plugins.dependency;
23
24 import java.util.Iterator  ;
25 import java.util.List ;
26 import java.util.Set ;
27
28 import org.jboss.beans.info.spi.BeanInfo;
29 import org.jboss.beans.metadata.spi.AnnotationMetaData;
30 import org.jboss.beans.metadata.spi.BeanMetaData;
31 import org.jboss.beans.metadata.spi.PropertyMetaData;
32 import org.jboss.dependency.plugins.AbstractDependencyItem;
33 import org.jboss.dependency.spi.ControllerContext;
34 import org.jboss.dependency.spi.ControllerState;
35 import org.jboss.dependency.spi.DependencyInfo;
36 import org.jboss.kernel.Kernel;
37 import org.jboss.kernel.spi.config.KernelConfigurator;
38 import org.jboss.kernel.spi.dependency.KernelController;
39 import org.jboss.kernel.spi.dependency.KernelControllerContext;
40 import org.jboss.kernel.spi.metadata.MutableMetaDataContext;
41 import org.jboss.metadata.spi.repository.MetaDataRepository;
42 import org.jboss.repository.spi.KernelRepository;
43 import org.jboss.repository.spi.MetaDataContext;
44 import org.jboss.repository.spi.MetaDataContextFactory;
45
46
52 public class DescribeAction extends KernelControllerContextAction
53 {
54 public void installAction(KernelControllerContext context) throws Throwable
55 {
56 KernelController controller = (KernelController) context.getController();
57 Kernel kernel = controller.getKernel();
58 KernelConfigurator configurator = kernel.getConfigurator();
59
60 BeanMetaData metaData = context.getBeanMetaData();
61 if (metaData.getBean() != null)
62 {
63 BeanInfo info = configurator.getBeanInfo(metaData);
64 context.setBeanInfo(info);
65
66 info = addAnnotations(context, metaData, info);
67
68 DependencyInfo depends = context.getDependencyInfo();
69 List <Object > dependencies = info.getDependencies();
71 if (dependencies != null)
72 {
73 for (Object dependencyName : dependencies)
74 {
75 AbstractDependencyItem dependency = new AbstractDependencyItem(metaData.getName(), dependencyName, ControllerState.INSTANTIATED, ControllerState.INSTALLED);
76 depends.addIDependOn(dependency);
77 }
78 }
79 }
80 }
81
82 public void uninstallAction(KernelControllerContext context)
83 {
84 context.setMetaDataContext(null);
85 context.setBeanInfo(null);
86 }
87
88
92 private BeanInfo addAnnotations(KernelControllerContext context, BeanMetaData beanMetaData, BeanInfo beanInfo)
93 {
94 MutableMetaDataContext metaCtx = addClassAnnotations(context, beanMetaData, beanInfo);
95 addPropertyAnnotations(metaCtx, context, beanMetaData, beanInfo);
96 return context.getBeanInfo();
97 }
98
99 private MutableMetaDataContext addClassAnnotations(KernelControllerContext context, BeanMetaData beanMetaData, BeanInfo beanInfo)
100 {
101 Set <AnnotationMetaData> annotations = beanMetaData.getAnnotations();
102
103 MutableMetaDataContext metaCtx = null;
104
105 if (annotations != null && annotations.size() > 0)
106 {
107 metaCtx = getMetaDataContext(context);
108 if (metaCtx != null)
109 {
110 metaCtx.addAnnotations(annotations);
111 }
112 }
113
114 return metaCtx;
115 }
116
117 private MutableMetaDataContext addPropertyAnnotations(MutableMetaDataContext metaCtx, KernelControllerContext context, BeanMetaData beanMetaData, BeanInfo beanInfo)
118 {
119 Set properties = beanMetaData.getProperties();
120
121 if (properties != null && properties.size() > 0)
122 {
123 for (Iterator it = properties.iterator() ; it.hasNext() ; )
124 {
125 PropertyMetaData property = (PropertyMetaData)it.next();
126 Set propertyAnnotations = property.getAnnotations();
127 if (propertyAnnotations != null && propertyAnnotations.size() > 0)
128 {
129 if (metaCtx == null)
130 {
131 metaCtx = getMetaDataContext(context);
132 }
133 if (metaCtx != null)
134 {
135 Set propertyInfos = beanInfo.getProperties();
136 if (propertyInfos != null && propertyInfos.size() > 0)
137 {
138 metaCtx.addPropertyAnnotations(property.getName(), beanInfo.getProperties(), propertyAnnotations);
139 }
140 }
141 }
142 }
143 }
144
145 return metaCtx;
146 }
147
148 private MutableMetaDataContext getMetaDataContext(KernelControllerContext context)
149 {
150 ControllerContext repCtx = context.getController().getContext("Repository", ControllerState.INSTALLED);
152
153 if (repCtx == null)
154 {
155 log.warn("You have defined annotations for bean '" + context.getName() + "', but no MetaDataRepository has been installed under the name 'Repository'");
156 return null;
157 }
158
159 MetaDataRepository repository = (MetaDataRepository)repCtx.getTarget();
160 MetaDataContextFactory metaFactory = context.getBeanInfo().getMetaDataContextFactory();
161 ClassLoader beanLoader = context.getBeanInfo().getClassInfo().getType().getClassLoader();
162 MetaDataContext metaCtx = metaFactory.getMetaDataContext(beanLoader, repository, (String )context.getName());
163
164 if (metaCtx instanceof MutableMetaDataContext == false)
165 {
166 throw new RuntimeException ("MetaDataContext must be mutable");
167 }
168
169 context.setMetaDataContext(metaCtx);
170
171 return (MutableMetaDataContext)metaCtx;
172 }
173
174 } |
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