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package org.mule.config.spring.parsers.assembly; |
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import org.mule.config.spring.MuleHierarchicalBeanDefinitionParserDelegate; |
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import org.mule.config.spring.parsers.assembly.configuration.PropertyConfiguration; |
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import org.mule.config.spring.parsers.assembly.configuration.SingleProperty; |
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import org.mule.config.spring.parsers.assembly.configuration.SinglePropertyLiteral; |
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import org.mule.config.spring.parsers.assembly.configuration.SinglePropertyWrapper; |
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import org.mule.config.spring.parsers.collection.ChildListEntryDefinitionParser; |
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import org.mule.config.spring.parsers.collection.ChildMapEntryDefinitionParser; |
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import org.mule.config.spring.util.SpringXMLUtils; |
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import org.mule.util.ClassUtils; |
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import org.mule.util.MapCombiner; |
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import java.lang.reflect.Method; |
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import java.util.Collection; |
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import java.util.List; |
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import java.util.Map; |
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import java.util.StringTokenizer; |
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import org.apache.commons.logging.Log; |
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import org.apache.commons.logging.LogFactory; |
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import org.springframework.beans.MutablePropertyValues; |
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import org.springframework.beans.PropertyValue; |
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import org.springframework.beans.PropertyValues; |
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import org.springframework.beans.factory.config.BeanDefinition; |
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import org.springframework.beans.factory.config.MapFactoryBean; |
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import org.springframework.beans.factory.config.RuntimeBeanReference; |
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import org.springframework.beans.factory.support.BeanDefinitionBuilder; |
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import org.springframework.beans.factory.support.ManagedList; |
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import org.springframework.beans.factory.support.ManagedMap; |
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import org.w3c.dom.Attr; |
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public class DefaultBeanAssembler implements BeanAssembler |
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{ |
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|
42 | 0 | private static Log logger = LogFactory.getLog(DefaultBeanAssembler.class); |
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private PropertyConfiguration beanConfig; |
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protected BeanDefinitionBuilder bean; |
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protected PropertyConfiguration targetConfig; |
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protected BeanDefinition target; |
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public DefaultBeanAssembler(PropertyConfiguration beanConfig, BeanDefinitionBuilder bean, |
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PropertyConfiguration targetConfig, BeanDefinition target) |
50 | 0 | { |
51 | 0 | this.beanConfig = beanConfig; |
52 | 0 | this.bean = bean; |
53 | 0 | this.targetConfig = targetConfig; |
54 | 0 | this.target = target; |
55 | 0 | } |
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public BeanDefinitionBuilder getBean() |
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{ |
59 | 0 | return bean; |
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} |
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protected void setBean(BeanDefinitionBuilder bean) |
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{ |
64 | 0 | this.bean = bean; |
65 | 0 | } |
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public BeanDefinition getTarget() |
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{ |
69 | 0 | return target; |
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} |
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protected PropertyConfiguration getBeanConfig() |
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{ |
74 | 0 | return beanConfig; |
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} |
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protected PropertyConfiguration getTargetConfig() |
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{ |
79 | 0 | return targetConfig; |
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} |
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public void extendBean(Attr attribute) |
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{ |
95 | 0 | if (attribute.getNamespaceURI() == null) |
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{ |
97 | 0 | String oldName = SpringXMLUtils.attributeName(attribute); |
98 | 0 | if (!beanConfig.isIgnored(oldName)) |
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{ |
100 | 0 | logger.debug(attribute + " for " + bean.getBeanDefinition().getBeanClassName()); |
101 | 0 | String oldValue = attribute.getNodeValue(); |
102 | 0 | String newName = bestGuessName(beanConfig, oldName, bean.getBeanDefinition().getBeanClassName()); |
103 | 0 | Object newValue = beanConfig.translateValue(oldName, oldValue); |
104 | 0 | addPropertyWithReference(bean.getBeanDefinition().getPropertyValues(), |
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beanConfig.getSingleProperty(oldName), newName, newValue); |
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} |
107 | 0 | } |
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else |
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{ |
110 | 0 | logger.debug("ignoring global attribute " + attribute.getName()); |
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} |
112 | 0 | } |
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public void extendBean(String newName, Object newValue, boolean isReference) |
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{ |
123 | 0 | addPropertyWithReference(bean.getBeanDefinition().getPropertyValues(), |
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new SinglePropertyLiteral(isReference), newName, newValue); |
125 | 0 | } |
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public void extendTarget(Attr attribute) |
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{ |
135 | 0 | String oldName = SpringXMLUtils.attributeName(attribute); |
136 | 0 | String oldValue = attribute.getNodeValue(); |
137 | 0 | String newName = bestGuessName(targetConfig, oldName, bean.getBeanDefinition().getBeanClassName()); |
138 | 0 | Object newValue = targetConfig.translateValue(oldName, oldValue); |
139 | 0 | addPropertyWithReference(target.getPropertyValues(), |
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targetConfig.getSingleProperty(oldName), newName, newValue); |
141 | 0 | } |
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public void extendTarget(String newName, Object newValue, boolean isReference) |
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{ |
152 | 0 | assertTargetPresent(); |
153 | 0 | addPropertyWithReference(target.getPropertyValues(), |
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new SinglePropertyLiteral(isReference), newName, newValue); |
155 | 0 | } |
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public void extendTarget(String oldName, String newName, Object newValue) |
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{ |
159 | 0 | assertTargetPresent(); |
160 | 0 | addPropertyWithReference(target.getPropertyValues(), |
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new SinglePropertyWrapper(oldName, getTargetConfig()), newName, newValue); |
162 | 0 | } |
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public void insertBeanInTarget(String oldName) |
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{ |
173 | 0 | logger.debug("insert " + bean.getBeanDefinition().getBeanClassName() + " -> " + target.getBeanClassName()); |
174 | 0 | assertTargetPresent(); |
175 | 0 | String beanClass = bean.getBeanDefinition().getBeanClassName(); |
176 | 0 | PropertyValues sourceProperties = bean.getRawBeanDefinition().getPropertyValues(); |
177 | 0 | String newName = bestGuessName(targetConfig, oldName, target.getBeanClassName()); |
178 | 0 | MutablePropertyValues targetProperties = target.getPropertyValues(); |
179 | 0 | PropertyValue pv = targetProperties.getPropertyValue(newName); |
180 | 0 | Object oldValue = null == pv ? null : pv.getValue(); |
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|
182 | 0 | if (! targetConfig.isIgnored(oldName)) |
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{ |
184 | 0 | if (targetConfig.isCollection(oldName) || |
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beanClass.equals(ChildListEntryDefinitionParser.ListEntry.class.getName())) |
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{ |
187 | 0 | if (null == oldValue) |
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{ |
189 | 0 | if (beanClass.equals(ChildMapEntryDefinitionParser.KeyValuePair.class.getName()) || |
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beanClass.equals(MapEntryCombiner.class.getName()) || |
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beanClass.equals(MapFactoryBean.class.getName())) |
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{ |
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|
195 | 0 | BeanDefinitionBuilder combiner = BeanDefinitionBuilder.rootBeanDefinition(MapCombiner.class); |
196 | 0 | targetProperties.addPropertyValue(newName, combiner.getBeanDefinition()); |
197 | 0 | MutablePropertyValues combinerProperties = combiner.getBeanDefinition().getPropertyValues(); |
198 | 0 | oldValue = new ManagedList(); |
199 | 0 | pv = new PropertyValue(MapCombiner.LIST, oldValue); |
200 | 0 | combinerProperties.addPropertyValue(pv); |
201 | 0 | } |
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else |
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{ |
204 | 0 | oldValue = new ManagedList(); |
205 | 0 | pv = new PropertyValue(newName, oldValue); |
206 | 0 | targetProperties.addPropertyValue(pv); |
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} |
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} |
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|
210 | 0 | List list = retrieveList(oldValue); |
211 | 0 | if (ChildMapEntryDefinitionParser.KeyValuePair.class.getName().equals(beanClass)) |
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{ |
213 | 0 | list.add(new ManagedMap()); |
214 | 0 | retrieveMap(list.get(list.size() - 1)).put( |
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sourceProperties.getPropertyValue(ChildMapEntryDefinitionParser.KEY).getValue(), |
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sourceProperties.getPropertyValue(ChildMapEntryDefinitionParser.VALUE).getValue()); |
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} |
218 | 0 | else if (beanClass.equals(ChildListEntryDefinitionParser.ListEntry.class.getName())) |
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{ |
220 | 0 | list.add(sourceProperties.getPropertyValue(ChildListEntryDefinitionParser.VALUE).getValue()); |
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} |
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else |
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{ |
224 | 0 | list.add(bean.getBeanDefinition()); |
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} |
226 | 0 | } |
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else |
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{ |
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|
231 | 0 | if (ChildMapEntryDefinitionParser.KeyValuePair.class.getName().equals(beanClass)) |
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{ |
233 | 0 | if (null == pv || null == oldValue) |
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{ |
235 | 0 | pv = new PropertyValue(newName, new ManagedMap()); |
236 | 0 | targetProperties.addPropertyValue(pv); |
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} |
238 | 0 | retrieveMap(pv.getValue()).put( |
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sourceProperties.getPropertyValue(ChildMapEntryDefinitionParser.KEY).getValue(), |
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sourceProperties.getPropertyValue(ChildMapEntryDefinitionParser.VALUE).getValue()); |
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} |
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else |
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{ |
244 | 0 | targetProperties.addPropertyValue(newName, bean.getBeanDefinition()); |
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} |
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} |
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} |
248 | 0 | } |
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public void insertSingletonBeanInTarget(String propertyName, String singletonName) |
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{ |
252 | 0 | String newName = bestGuessName(targetConfig, propertyName, target.getBeanClassName()); |
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|
254 | 0 | MutablePropertyValues targetProperties = target.getPropertyValues(); |
255 | 0 | PropertyValue pv = targetProperties.getPropertyValue(newName); |
256 | 0 | Object oldValue = null == pv ? null : pv.getValue(); |
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|
258 | 0 | if (!targetConfig.isIgnored(propertyName)) |
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{ |
260 | 0 | if (targetConfig.isCollection(propertyName)) |
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{ |
262 | 0 | if (null == oldValue) |
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{ |
264 | 0 | oldValue = new ManagedList(); |
265 | 0 | pv = new PropertyValue(newName, oldValue); |
266 | 0 | targetProperties.addPropertyValue(pv); |
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} |
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|
269 | 0 | List list = retrieveList(oldValue); |
270 | 0 | list.add(new RuntimeBeanReference(singletonName)); |
271 | 0 | } |
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else |
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{ |
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|
275 | 0 | targetProperties.addPropertyValue(newName, new RuntimeBeanReference(singletonName)); |
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} |
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} |
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279 | 0 | } |
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protected void insertInTarget(String oldName){ |
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283 | 0 | } |
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protected static List retrieveList(Object value) |
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{ |
287 | 0 | if (value instanceof List) |
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{ |
289 | 0 | return (List) value; |
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} |
291 | 0 | else if (isDefinitionOf(value, MapCombiner.class)) |
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{ |
293 | 0 | return (List) unpackDefinition(value, MapCombiner.LIST); |
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} |
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else |
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{ |
297 | 0 | throw new ClassCastException("Collection not of expected type: " + value); |
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} |
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} |
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private static Map retrieveMap(Object value) |
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{ |
303 | 0 | if (value instanceof Map) |
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{ |
305 | 0 | return (Map) value; |
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} |
307 | 0 | else if (isDefinitionOf(value, MapFactoryBean.class)) |
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{ |
309 | 0 | return (Map) unpackDefinition(value, "sourceMap"); |
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} |
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else |
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{ |
313 | 0 | throw new ClassCastException("Map not of expected type: " + value); |
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} |
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} |
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private static boolean isDefinitionOf(Object value, Class clazz) |
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{ |
319 | 0 | return value instanceof BeanDefinition && |
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((BeanDefinition) value).getBeanClassName().equals(clazz.getName()); |
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} |
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private static Object unpackDefinition(Object definition, String name) |
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{ |
325 | 0 | return ((BeanDefinition) definition).getPropertyValues().getPropertyValue(name).getValue(); |
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} |
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public void copyBeanToTarget() |
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{ |
339 | 0 | logger.debug("copy " + bean.getBeanDefinition().getBeanClassName() + " -> " + target.getBeanClassName()); |
340 | 0 | assertTargetPresent(); |
341 | 0 | MutablePropertyValues targetProperties = target.getPropertyValues(); |
342 | 0 | MutablePropertyValues beanProperties = bean.getBeanDefinition().getPropertyValues(); |
343 | 0 | for (int i=0;i < beanProperties.size(); i++) |
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{ |
345 | 0 | PropertyValue propertyValue = beanProperties.getPropertyValues()[i]; |
346 | 0 | addPropertyWithoutReference(targetProperties, new SinglePropertyLiteral(), |
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propertyValue.getName(), propertyValue.getValue()); |
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} |
349 | 0 | } |
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public void setBeanFlag(String flag) |
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{ |
353 | 0 | MuleHierarchicalBeanDefinitionParserDelegate.setFlag(bean.getRawBeanDefinition(), flag); |
354 | 0 | } |
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protected void assertTargetPresent() |
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{ |
358 | 0 | if (null == target) |
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{ |
360 | 0 | throw new IllegalStateException("Bean assembler does not have a target"); |
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} |
362 | 0 | } |
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protected void addPropertyWithReference(MutablePropertyValues properties, SingleProperty config, |
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String name, Object value) |
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{ |
367 | 0 | if (!config.isIgnored()) |
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{ |
369 | 0 | if (config.isReference()) |
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{ |
371 | 0 | if (value instanceof String) |
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{ |
373 | 0 | if (((String) value).trim().indexOf(" ") > -1) |
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{ |
375 | 0 | config.setCollection(); |
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} |
377 | 0 | for (StringTokenizer refs = new StringTokenizer((String) value); refs.hasMoreTokens();) |
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{ |
379 | 0 | String ref = refs.nextToken(); |
380 | 0 | if (logger.isDebugEnabled()) |
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{ |
382 | 0 | logger.debug("possible non-dependent reference: " + name + "/" + ref); |
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} |
384 | 0 | addPropertyWithoutReference(properties, config, name, new RuntimeBeanReference(ref)); |
385 | 0 | } |
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} |
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else |
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{ |
389 | 0 | throw new IllegalArgumentException("Bean reference must be a String: " + name + "/" + value); |
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} |
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} |
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else |
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{ |
394 | 0 | addPropertyWithoutReference(properties, config, name, value); |
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} |
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} |
397 | 0 | } |
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protected void addPropertyWithoutReference(MutablePropertyValues properties, SingleProperty config, |
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String name, Object value) |
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{ |
402 | 0 | if (!config.isIgnored()) |
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{ |
404 | 0 | if (logger.isDebugEnabled()) |
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{ |
406 | 0 | logger.debug(name + ": " + value); |
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} |
408 | 0 | Object oldValue = null; |
409 | 0 | if (properties.contains(name)) |
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{ |
411 | 0 | oldValue = properties.getPropertyValue(name).getValue(); |
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} |
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|
414 | 0 | if (config.isCollection() || oldValue instanceof Collection || value instanceof Collection) |
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{ |
416 | 0 | Collection values = new ManagedList(); |
417 | 0 | if (null != oldValue) |
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{ |
419 | 0 | properties.removePropertyValue(name); |
420 | 0 | if (oldValue instanceof Collection) |
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{ |
422 | 0 | values.addAll((Collection) oldValue); |
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} |
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else |
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{ |
426 | 0 | values.add(oldValue); |
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} |
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} |
429 | 0 | if (value instanceof Collection) |
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{ |
431 | 0 | values.addAll((Collection) value); |
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} |
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else |
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{ |
435 | 0 | values.add(value); |
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} |
437 | 0 | properties.addPropertyValue(name, values); |
438 | 0 | } |
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else |
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{ |
441 | 0 | properties.addPropertyValue(name, value); |
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} |
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} |
444 | 0 | } |
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protected static String bestGuessName(PropertyConfiguration config, String oldName, String className) |
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{ |
448 | 0 | String newName = config.translateName(oldName); |
449 | 0 | if (! methodExists(className, newName)) |
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{ |
451 | 0 | String plural = newName + "s"; |
452 | 0 | if (methodExists(className, plural)) |
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{ |
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|
455 | 0 | config.addCollection(oldName); |
456 | 0 | return plural; |
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} |
458 | 0 | if (newName.endsWith("y")) |
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{ |
460 | 0 | String pluraly = newName.substring(0, newName.length()-1) + "ies"; |
461 | 0 | if (methodExists(className, pluraly)) |
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{ |
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|
464 | 0 | config.addCollection(oldName); |
465 | 0 | return pluraly; |
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} |
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} |
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} |
469 | 0 | return newName; |
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} |
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protected static boolean methodExists(String className, String newName) |
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{ |
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try |
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{ |
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|
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|
480 | 0 | Class clazz = ClassUtils.getClass(className); |
481 | 0 | Method[] methods = clazz.getMethods(); |
482 | 0 | String setter = "set" + newName; |
483 | 0 | for (int i = 0; i < methods.length; ++i) |
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{ |
485 | 0 | if (methods[i].getName().equalsIgnoreCase(setter)) |
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{ |
487 | 0 | return true; |
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} |
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} |
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} |
491 | 0 | catch (Exception e) |
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{ |
493 | 0 | logger.debug("Could not access bean class " + className, e); |
494 | 0 | } |
495 | 0 | return false; |
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} |
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|
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} |