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34 package info.magnolia.module.blossom.dialog;
35
36 import org.slf4j.Logger;
37 import org.slf4j.LoggerFactory;
38 import org.springframework.aop.support.AopUtils;
39 import org.springframework.beans.factory.InitializingBean;
40 import org.springframework.util.ClassUtils;
41 import org.springframework.util.ReflectionUtils;
42
43 import info.magnolia.config.registry.DefinitionProvider;
44 import info.magnolia.module.blossom.annotation.DialogFactory;
45 import info.magnolia.module.blossom.annotation.PreRegister;
46 import info.magnolia.module.blossom.support.AbstractBeanDetector;
47 import info.magnolia.module.blossom.support.MethodInvocationUtils;
48 import info.magnolia.module.blossom.support.ParameterResolver;
49 import info.magnolia.objectfactory.Components;
50 import info.magnolia.ui.dialog.definition.DialogDefinition;
51 import info.magnolia.ui.dialog.registry.DialogDefinitionRegistry;
52
53 import java.lang.reflect.Method;
54 import java.lang.reflect.Modifier;
55 import java.util.ArrayList;
56 import java.util.Collections;
57 import java.util.List;
58 import java.util.concurrent.atomic.AtomicReference;
59
60
61
62
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64
65
66
67 public class DialogExporter extends AbstractBeanDetector implements InitializingBean {
68
69 private final Logger logger = LoggerFactory.getLogger(getClass());
70
71 private DialogDescriptionBuilder dialogDescriptionBuilder;
72
73 public void setDialogDescriptionBuilder(DialogDescriptionBuilder dialogDescriptionBuilder) {
74 this.dialogDescriptionBuilder = dialogDescriptionBuilder;
75 }
76
77 @Override
78 protected boolean include(Class<?> beanType, String beanName) {
79 beanType = ClassUtils.isCglibProxyClass(beanType) ? beanType.getSuperclass() : beanType;
80 return beanType.isAnnotationPresent(DialogFactory.class);
81 }
82
83 @Override
84 protected void onBeanDetection(Object bean, String beanName) {
85
86 BlossomDialogDescription dialogDescription = dialogDescriptionBuilder.buildDescription(bean);
87
88 dialogDescription = postProcessDialogFactoryDialog(dialogDescription);
89 if (dialogDescription == null) {
90 return;
91 }
92
93 Components.getComponent(DialogDefinitionRegistry.class).register(createDialogDefinitionProvider(dialogDescription));
94
95 if (logger.isDebugEnabled()) {
96 logger.debug("Registered dialog [" + dialogDescription.getId() + "]");
97 }
98 }
99
100 protected DefinitionProvider<DialogDefinition> createDialogDefinitionProvider(BlossomDialogDescription dialogDescription) {
101 return new BlossomDialogDefinitionProvider(dialogDescription);
102 }
103
104
105
106
107
108 protected BlossomDialogDescription postProcessDialogFactoryDialog(final BlossomDialogDescription dialogDescription) {
109
110 Object factoryObject = dialogDescription.getFactoryMetaData().getFactoryObject();
111
112 final Class<?> factoryClass = AopUtils.getTargetClass(factoryObject);
113
114 final List<Method> matchingMethods = new ArrayList<Method>();
115
116 ReflectionUtils.doWithMethods(factoryClass, new ReflectionUtils.MethodCallback() {
117
118 @Override
119 public void doWith(Method method) {
120 if (method.isAnnotationPresent(PreRegister.class) && method.equals(ClassUtils.getMostSpecificMethod(method, factoryClass))) {
121 if (Modifier.isStatic(method.getModifiers())) {
122 throw new IllegalStateException("PreRegister annotation is not supported on static methods");
123 }
124 if (method.getParameterTypes().length == 1 && method.getParameterTypes()[0].isAssignableFrom(BlossomDialogDescription.class)) {
125 matchingMethods.add(method);
126 }
127 }
128 }
129 });
130 Collections.reverse(matchingMethods);
131
132 final AtomicReference<BlossomDialogDescription> reference = new AtomicReference<BlossomDialogDescription>(dialogDescription);
133 for (Method matchingMethod : matchingMethods) {
134 Object returnValue = MethodInvocationUtils.invoke(matchingMethod, factoryObject, new ParameterResolver() {
135 @Override
136 public Object resolveParameter(Class<?> parameterType) {
137 if (parameterType.isAssignableFrom(BlossomDialogDescription.class)) {
138 return reference.get();
139 }
140 return super.resolveParameter(parameterType);
141 }
142 });
143 if (returnValue == null && !matchingMethod.getReturnType().equals(Void.TYPE)) {
144 return null;
145 }
146 if (returnValue instanceof BlossomDialogDescription) {
147 reference.set((BlossomDialogDescription) returnValue);
148 }
149 }
150
151 return reference.get();
152 }
153
154 @Override
155 public void afterPropertiesSet() throws Exception {
156 if (dialogDescriptionBuilder == null) {
157 dialogDescriptionBuilder = new DialogDescriptionBuilder();
158 }
159 }
160 }