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34 package info.magnolia.module.blossom.dialog;
35
36 import info.magnolia.config.registry.DefinitionProvider;
37 import info.magnolia.module.blossom.annotation.DialogFactory;
38 import info.magnolia.module.blossom.annotation.PreRegister;
39 import info.magnolia.module.blossom.support.AbstractBeanDetector;
40 import info.magnolia.module.blossom.support.MethodInvocationUtils;
41 import info.magnolia.module.blossom.support.ParameterResolver;
42 import info.magnolia.objectfactory.Components;
43 import info.magnolia.ui.dialog.DialogDefinition;
44 import info.magnolia.ui.dialog.DialogDefinitionRegistry;
45
46 import java.lang.reflect.Method;
47 import java.lang.reflect.Modifier;
48 import java.util.ArrayList;
49 import java.util.Collections;
50 import java.util.List;
51 import java.util.concurrent.atomic.AtomicReference;
52
53 import org.slf4j.Logger;
54 import org.slf4j.LoggerFactory;
55 import org.springframework.aop.support.AopUtils;
56 import org.springframework.beans.factory.InitializingBean;
57 import org.springframework.util.ClassUtils;
58 import org.springframework.util.ReflectionUtils;
59
60
61
62
63
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 DefinitionProvider<DialogDefinition> dialogProvider = createDialogDefinitionProvider(dialogDescription);
94 DialogDefinitionRegistry registry = Components.getComponent(DialogDefinitionRegistry.class);
95
96 registry.register(dialogProvider);
97 registry.addDecorator(new DialogCreatorDefinitionDecorator(dialogDescription));
98
99 if (logger.isInfoEnabled()) {
100 logger.info("Registered dialog [" + dialogDescription.getId() + "]");
101 }
102 }
103
104 protected DefinitionProvider<DialogDefinition> createDialogDefinitionProvider(BlossomDialogDescription dialogDescription) {
105 return new BlossomDialogDefinitionProvider(dialogDescription);
106 }
107
108
109
110
111
112 protected BlossomDialogDescriptionlossomDialogDescription">BlossomDialogDescription postProcessDialogFactoryDialog(final BlossomDialogDescription dialogDescription) {
113
114 Object factoryObject = dialogDescription.getFactoryMetaData().getFactoryObject();
115
116 final Class<?> factoryClass = AopUtils.getTargetClass(factoryObject);
117
118 final List<Method> matchingMethods = new ArrayList<Method>();
119
120 ReflectionUtils.doWithMethods(factoryClass, new ReflectionUtils.MethodCallback() {
121
122 @Override
123 public void doWith(Method method) {
124 if (method.isAnnotationPresent(PreRegister.class) && method.equals(ClassUtils.getMostSpecificMethod(method, factoryClass))) {
125 if (Modifier.isStatic(method.getModifiers())) {
126 throw new IllegalStateException("PreRegister annotation is not supported on static methods");
127 }
128 if (method.getParameterTypes().length == 1 && method.getParameterTypes()[0].isAssignableFrom(BlossomDialogDescription.class)) {
129 matchingMethods.add(method);
130 }
131 }
132 }
133 });
134 Collections.reverse(matchingMethods);
135
136 final AtomicReference<BlossomDialogDescription> reference = new AtomicReference<BlossomDialogDescription>(dialogDescription);
137 for (Method matchingMethod : matchingMethods) {
138 Object returnValue = MethodInvocationUtils.invoke(matchingMethod, factoryObject, new ParameterResolver() {
139 @Override
140 public Object resolveParameter(Class<?> parameterType) {
141 if (parameterType.isAssignableFrom(BlossomDialogDescription.class)) {
142 return reference.get();
143 }
144 return super.resolveParameter(parameterType);
145 }
146 });
147 if (returnValue == null && !matchingMethod.getReturnType().equals(Void.TYPE)) {
148 return null;
149 }
150 if (returnValue instanceof BlossomDialogDescription) {
151 reference.set((BlossomDialogDescription) returnValue);
152 }
153 }
154
155 return reference.get();
156 }
157
158 @Override
159 public void afterPropertiesSet() throws Exception {
160 if (dialogDescriptionBuilder == null) {
161 dialogDescriptionBuilder = new DialogDescriptionBuilder();
162 }
163 }
164 }