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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.module.blossom.annotation.DialogFactory;
44 import info.magnolia.module.blossom.annotation.PreRegister;
45 import info.magnolia.module.blossom.support.AbstractBeanDetector;
46 import info.magnolia.module.blossom.support.MethodInvocationUtils;
47 import info.magnolia.module.blossom.support.ParameterResolver;
48 import info.magnolia.objectfactory.Components;
49 import info.magnolia.ui.dialog.registry.DialogDefinitionProvider;
50 import info.magnolia.ui.dialog.registry.DialogDefinitionRegistry;
51
52 import java.lang.reflect.Method;
53 import java.lang.reflect.Modifier;
54 import java.util.ArrayList;
55 import java.util.Collections;
56 import java.util.List;
57 import java.util.concurrent.atomic.AtomicReference;
58
59
60
61
62
63
64
65
66 public class DialogExporter extends AbstractBeanDetector implements InitializingBean {
67
68 private final Logger logger = LoggerFactory.getLogger(getClass());
69
70 private DialogDescriptionBuilder dialogDescriptionBuilder;
71
72 public void setDialogDescriptionBuilder(DialogDescriptionBuilder dialogDescriptionBuilder) {
73 this.dialogDescriptionBuilder = dialogDescriptionBuilder;
74 }
75
76 @Override
77 protected boolean include(Class<?> beanType, String beanName) {
78 beanType = AopUtils.isCglibProxyClass(beanType) ? beanType.getSuperclass() : beanType;
79 return beanType.isAnnotationPresent(DialogFactory.class);
80 }
81
82 @Override
83 protected void onBeanDetection(Object bean, String beanName) {
84
85 BlossomDialogDescription dialogDescription = dialogDescriptionBuilder.buildDescription(bean);
86
87 dialogDescription = postProcessDialogFactoryDialog(dialogDescription);
88 if (dialogDescription == null) {
89 return;
90 }
91
92 Components.getComponent(DialogDefinitionRegistry.class).register(createDialogDefinitionProvider(dialogDescription));
93
94 if (logger.isDebugEnabled()) {
95 logger.debug("Registered dialog [" + dialogDescription.getId() + "]");
96 }
97 }
98
99 protected DialogDefinitionProvider createDialogDefinitionProvider(BlossomDialogDescription dialogDescription) {
100 return new BlossomDialogDefinitionProvider(dialogDescription);
101 }
102
103
104
105
106
107 protected BlossomDialogDescription postProcessDialogFactoryDialog(final BlossomDialogDescription dialogDescription) {
108
109 Object factoryObject = dialogDescription.getFactoryMetaData().getFactoryObject();
110
111 final Class<?> factoryClass = AopUtils.getTargetClass(factoryObject);
112
113 final List<Method> matchingMethods = new ArrayList<Method>();
114
115 ReflectionUtils.doWithMethods(factoryClass, new ReflectionUtils.MethodCallback() {
116
117 @Override
118 public void doWith(Method method) {
119 if (method.isAnnotationPresent(PreRegister.class) && method.equals(ClassUtils.getMostSpecificMethod(method, factoryClass))) {
120 if (Modifier.isStatic(method.getModifiers())) {
121 throw new IllegalStateException("PreRegister annotation is not supported on static methods");
122 }
123 if (method.getParameterTypes().length == 1 && method.getParameterTypes()[0].isAssignableFrom(BlossomDialogDescription.class)) {
124 matchingMethods.add(method);
125 }
126 }
127 }
128 });
129 Collections.reverse(matchingMethods);
130
131 final AtomicReference<BlossomDialogDescription> reference = new AtomicReference<BlossomDialogDescription>(dialogDescription);
132 for (Method matchingMethod : matchingMethods) {
133 Object returnValue = MethodInvocationUtils.invoke(matchingMethod, factoryObject, new ParameterResolver() {
134 @Override
135 public Object resolveParameter(Class<?> parameterType) {
136 if (parameterType.isAssignableFrom(BlossomDialogDescription.class)) {
137 return reference.get();
138 }
139 return super.resolveParameter(parameterType);
140 }
141 });
142 if (returnValue == null && !matchingMethod.getReturnType().equals(Void.TYPE)) {
143 return null;
144 }
145 if (returnValue instanceof BlossomDialogDescription) {
146 reference.set((BlossomDialogDescription) returnValue);
147 }
148 }
149
150 return reference.get();
151 }
152
153 @Override
154 public void afterPropertiesSet() throws Exception {
155 if (dialogDescriptionBuilder == null) {
156 dialogDescriptionBuilder = new DialogDescriptionBuilder();
157 }
158 }
159 }