Commons Collections僥楼永芝?膨? - 園殻秘壇利
作者 佚名技术
来源 NET编程
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发布时间 2012-06-16
| upportedException { BeanMap newMap = (BeanMap)super.clone(); if(bean == null) {//飛久蚊bean音贋壓?夸卦指匯倖鹸崙議**BeanMap, return newMap; } Object newBean = null; Class beanClass = null; try { beanClass = bean.getClass();//久蚊bean議Class newBean = beanClass.newInstance();//糞箭晒匯倖仟議bean } catch (Exception e) { // unable to instantiate throw new CloneNotSupportedException ("Unable to instantiate the underlying bean \"" + beanClass.getName() + "\": " + e); } try { newMap.setBean(newBean); } catch (Exception exception) { throw new CloneNotSupportedException ("Unable to set bean in the cloned bean map: " + exception); } try { //鹸崙侭嗤辛響亟議奉來 Iterator readableKeys = readMethods.keySet().iterator(); while(readableKeys.hasNext()) { Object key = readableKeys.next();//奉來兆各 if(getWriteMethod(key) != null) { newMap.put(key, get(key));//慧秘欺仟BeanMap嶄 } } } catch (Exception exception) { throw new CloneNotSupportedException ("Unable to copy bean values to cloned bean map: " + exception); } return newMap; } public void clear() { if(bean == null) return; Class beanClass = null; try { beanClass = bean.getClass(); bean = beanClass.newInstance();//嶷仟糞箭晒,匯俳脅指欺潮範彜蓑 } catch (Exception e) { throw new UnsupportedOperationException( "Could not create new instance of class: " + beanClass ); } } public Object get(Object name) {//資函峺協兆各奉來議峙 if ( bean != null ) { Method method = getReadMethod( name ); if ( method != null ) { try { return method.invoke( bean, NULL_ARGUMENTS ); } catch ( IllegalAccessException e ) { logWarn( e ); } catch ( IllegalArgumentException e ) { logWarn( e ); } catch ( InvocationTargetException e ) { logWarn( e ); } catch ( NullPointerException e ) { logWarn( e ); } } } return null; } public Object put(Object name, Object value) throws IllegalArgumentException, ClassCastException {//譜崔峺協兆各議奉來議峙 if ( bean != null ) { Object oldValue = get( name );//圻栖議峙 Method method = getW |
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