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Commons Collections僥楼永芝?膨? - 園殻秘壇利

作者 佚名技术 来源 NET编程 浏览 发布时间 2012-06-16
upportedException {      BeanMap newMap = (BeanMap)super.clone();      if(bean == null) {//飛久蚊bean音贋壓?夸卦指匯倖鹸崙議腎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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