e x t文件管理系统

package net.bat.service; /** * @author chen4w */ import java.beans.BeanInfo; import java.beans.Introspector; import java.beans.PropertyDescriptor; import java.lang.reflect.Method; import java.text.SimpleDateFormat; import java.util.Comparator; import java.util.Date; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Map; import java.util.Set; import java.util.TreeMap; import java.util.Vector; import java.util.Map.Entry; import javax.servlet.http.HttpServletRequest; import net.bat.prototype.AdviceInfo; import net.bat.prototype.Item; import net.bat.prototype.Obj; import net.bat.prototype.Req; import org.hibernate.EntityMode; import org.hibernate.HibernateException; import org.hibernate.Query; import org.hibernate.Session; import org.hibernate.SessionFactory; import org.hibernate.metadata.ClassMetadata; import org.hibernate.metadata.CollectionMetadata; import org.hibernate.persister.entity.EntityPersister; import org.hibernate.type.SetType; import org.springframework.beans.BeanWrapper; import org.springframework.beans.BeanWrapperImpl; import org.springframework.context.ApplicationContext; import org.springframework.orm.hibernate3.support.HibernateDaoSupport; import org.springframework.web.context.support.WebApplicationContextUtils; import uk.ltd.getahead.dwr.WebContext; import uk.ltd.getahead.dwr.WebContextFactory; public class BService extends HibernateDaoSupport implements IBService { static private final SimpleDateFormat fmt = new SimpleDateFormat( "yyyy��MM��dd�� HH:mm:ss"); /** * * @return ��ǰSession * @throws HibernateException */ private Session currentSession() throws HibernateException { return this.getSession(); } /** * ���ض���IJ����������л���� * * @param so * �����л����� * @param r * ����j��������� * @param rp * �ӱ��j����������б� * @param cm * �ӱ��Ӧ���Ԫ��� * @return �����������л��Ķ��� * @throws Exception */ private void setItemValue(Item it, Object v) { if (v == null) { it.setValue(null); } else { Class ct = v.getClass(); String cn = ct.getName(); if (ct.isPrimitive()) it.setValue(v.toString()); else if (cn.startsWith("java")) { if (cn.equals("java.util.Date") || cn.equals("java.sql.Timestamp")) it.setValue(fmt.format(v)); else it.setValue(v.toString()); } else { int pos = cn.indexOf("$"); if (pos != -1) cn = cn.substring(0, pos); ClassMetadata ck = getSessionFactory().getClassMetadata(cn); // �Ƿ�composite-id if (ck != null) { String kn = ck.getIdentifierPropertyName(); // �Ƿ������ if (kn != null) { BeanWrapper beanWrapper = new BeanWrapperImpl(v); it .setValue(beanWrapper.getPropertyValue(kn) .toString()); } else it.setValue(v.toString()); } else { // ��ʱ��5�ֹ����봦��composite-id,bat������ } } } } public Obj objToItems(Object so, Req r, Map rp, ClassMetadata cm) throws Exception { Obj ro = new Obj(); ro.setAction(Obj.ACTION_UPDATE); ro.setCn(cm.getEntityName()); Map<String, Item> fm = new TreeMap<String, Item>(); ro.setItems(fm); ro.setKey(cm.getIdentifierPropertyName()); String[] ps = null; String objcn = so.getClass().getName(); if (r != null && r.getProperties() != null) ps = r.getProperties(); else { ps = props(objcn); } // ����Ŀ�����hibernate��ǿobj if (objcn.equals("java.util.HashMap")) { Map mo = (Map) so; for (int i = 0; i < ps.length; i++) { Item it = new Item(); setItemValue(it, mo.get(ps[i])); fm.put(ps[i], it); } return ro; } BeanWrapper wp = new BeanWrapperImpl(so); int poscn = objcn.indexOf("$"); if (poscn != -1) { objcn = objcn.substring(0, poscn); } for (int i = 0; i < ps.length; i++) { Item it = new Item(); Class ct = wp.getPropertyType(ps[i]); // �ӱ����� if (ct.getName().equals("java.util.Set")) { SetType tp = (SetType) cm.getPropertyType(ps[i]); CollectionMetadata ccm = getSessionFactory() .getCollectionMetadata(tp.getRole()); String scn = ccm.getElementType().getName(); Class scls = Class.forName(scn); ClassMetadata scm = getSessionFactory().getClassMetadata(scls); Obj[] subros; // �ӱ���� Req sr = null; if (rp != null) sr = (Req) rp.get(ps[i]); if (sr != null) { subros = this.get(sr, rp); } else { Set v = (Set) wp.getPropertyValue(ps[i]); Obj SObj = objToItems(scls.newInstance(), sr, rp, scm); SObj.setAction(Obj.ACTION_DEFAULT); int len = (v == null || v.isEmpty()) ? 1 : v.size() + 1; subros = new Obj[len]; subros[0] = SObj; if (len > 1) { Object[] vos = v.toArray(); for (int pos = 0; pos < vos.length; pos++) { subros[pos + 1] = objToItems(vos[pos], sr, null, scm); } } } it.setSobjs(subros); } // ���ӱ����� else { Object v = wp.getPropertyValue(ps[i]); setItemValue(it, v); } fm.put(ps[i], it); } // String keyprop = ((AbstractEntityPersister // )cm).getIdentifierPropertyName(); // ro.setKey(keyprop); return ro; } /** * ��ݲ��������ֶθ��µ����� * * @param po * ����¶��� * @param vo * �������� * @param s * ��ǰsession * @throws Exception */ public void itemsToObj(Object po, Obj vo, Session s) throws Exception { Map flds = vo.getItems(); if (flds == null || flds.size() == 0) return; String key = null; if (vo.getKey() != null) key = vo.getKey(); org.hibernate.proxy.map.MapProxy mo = null; if (po.getClass().getName().equals("org.hibernate.proxy.MapProxy")) mo = (org.hibernate.proxy.map.MapProxy) po; BeanWrapper wp = new BeanWrapperImpl(po); HashMap<String, Item> fldmap = new HashMap<String, Item>(); HashMap<String, Set<?>> listmap = new HashMap<String, Set<?>>(); Iterator it = flds.entrySet().iterator(); while (it.hasNext()) { Entry entry = (Entry) it.next(); String name = (String) entry.getKey(); Object oldval; Item fldval = (Item) entry.getValue(); if (mo != null) { oldval = mo.get(name); if (!name.equals(key)) mo.put(name, fldval.getValue()); continue; } else oldval = wp.getPropertyValue(name); // ���ֵ���ɸı� ���assign�������add if (key != null) { if (name.equals(key)) { if (oldval != null) continue; } } Class paramType = wp.getPropertyType(name); String cname = paramType.getName(); // ���ӱ����� if (fldval.getSobjs() == null) { String val = fldval.getValue(); if (!paramType.isPrimitive() && !cname.startsWith("java")) { ClassMetadata ck = getSessionFactory().getClassMetadata( cname); // ����� if (ck != null && oldval == null) wp.setPropertyValue(name, val); else { // composite-id if (oldval == null) oldval = paramType.newInstance(); BeanWrapper cnWrap = new BeanWrapperImpl(oldval); Iterator es = flds.entrySet().iterator(); while (es.hasNext()) { Entry en = (Entry) es.next(); String propName = (String) en.getKey(); if (propName.startsWith(name + ".")) { int pos = propName.indexOf("."); String cnProp = propName.substring(po