daodefinition.java

来自「Java Pattern Oriented Framework (Jt) 是为了」· Java 代码 · 共 1,619 行 · 第 1/4 页

            else
                attrMapping.setColumn(column);
            
            handleColumnSubElement (elem, attrMapping);
            
            list.add(attrMapping);
            
            return;
            

        }
        
        msg = new JtMessage (JDOMAdapter.GET_CHILDREN);
        msg.setMsgContent("hibernate-mapping/class/composite-id");
        children = (List) factory.sendMessage (adapter, msg);      

        if (children == null) {
            return;
        }
        
        for (i = 0; i < children.size(); i++) {
            elem = (Element) children.get(i);
            
            if (!("key-property".equals(elem.getName())))
                    continue;
            
            id = elem.getAttributeValue("name");
            
            attrMapping = new DAOMapping ();
            attrMapping.setAttribute(id);

            column = elem.getAttributeValue("column");
            attrMapping.setEnabled(true);
            attrMapping.setKeyAttribute(true);
           
            if (column == null || column.equals(""))
                attrMapping.setColumn(id); //check
            else
                attrMapping.setColumn(column);
            
            handleColumnSubElement (elem, attrMapping);
            
            list.add(attrMapping);
        }                 
        
    }
 
    private void initializeFormMapping (DAODefinitionForm form) {
        JtIterator iterator;
        LinkedList list = new LinkedList();
        String st;
        DAOMapping arr[];
        DAOMapping entry;
        
        
        if (attributes == null) {
            //this.mapping = null;
            return;
        }  
        
        iterator = (JtIterator) attributes.processMessage(new JtMessage (JtHashTable.JtGET_KEYS));  
        if (iterator == null)
            return;
        
        for (;;) {
            st = (String) iterator.processMessage(new JtMessage (JtIterator.JtNEXT));
            if (st == null)
                break;
            //lvBean = new  LabelValueBean (st, st);
            entry = new DAOMapping ();
            entry.setAttribute(st);
            entry.setColumn(st);  
            entry.setEnabled (true);
            list.add(entry);
        }    
        
        while (list.size() < DAODefinition.MAX_ENTRIES) {
            entry = new DAOMapping ();
            list.add(entry);
        }
        //arr = (LabelValueBean[]) keyList.toArray(new LabelValueBean[0]);
        arr = (DAOMapping[]) list.toArray(new DAOMapping[0]);
        //this.mapping = arr;
        form.setDbmappings(arr);
    }
    
    private void initializeForm (DAODefinitionForm form) {
        
        JtMessage msg = new JtMessage (JtFactory.JtGET_ATTRIBUTES);
        //JtFactory factory = new JtFactory ();
        Object obj;     
        String[] ids;
        JtIterator iterator;
        int i;
        //String st;
        //LabelValueBean lvBean;
        //LinkedList keyList = new LinkedList();

        
        if (className == null || form == null)
            return;
              
        obj = factory.createObject(className);
        
        if (obj == null) {
            if (factory.getObjException() != null)
                this.setObjException(factory.getObjException());
            return; // check
        }    
        
        msg.setMsgContent(obj);
        
        //attributes = (JtHashTable) factory.processMessage(msg);
        
        //if (attributes  == null)
        //    return;
        
        //iterator = (JtIterator) attributes.processMessage(new JtMessage (JtHashTable.JtGET_KEYS));
        iterator = ngetAttributes ();
        
        if (iterator == null) 
            return;
        
        /*
        for (;;) {
            st = (String) iterator.processMessage(new JtMessage (JtIterator.JtNEXT));
            if (st == null)
                break;
            lvBean = new  LabelValueBean (st, st);
            keyList.add(lvBean);
        }          
        
        form.setAttributes(keyList);
        */
        
        ids = getIDs ();
        if (ids != null) {
            form.setDbkeys(ids);
            for (i=0; i < ids.length; i++) {
                handleTrace ("InititializeForm (key[" + i + "]):" + ids[i]);
            }
        }
    }    

    private String getQualifiedClassName (String pckg, String cname) {


        if (pckg == null)
            pckg = "";
        
        if (cname == null)
            cname = "";       

        if (pckg.equals(""))
            return (cname);
        
        return (pckg + "." + cname);
            
    }
    
    private void initializeFormFromFile (DAODefinitionForm form, InputStream inputStream) {
        
        //JtMessage msg = new JtMessage (JtFactory.JtGET_ATTRIBUTES);
        //JtFactory factory = new JtFactory ();    
        //String[] ids;
        JtIterator iterator;
        //String st;
        //LabelValueBean lvBean;
        //LinkedList keyList = new LinkedList();
        JtJavaParser parser = new JtJavaParser ();
        String qname;

        
        //if (className == null || form == null)
        if (form == null || inputStream == null)
            return;
        
                
        //parser.setPath(className);
        

        
        parser.setInputStream(inputStream);
        
        //iStream.setInputStream(inputStream);
        
        //factory.sendMessage (iStream, new JtMessage (JtInputStream.JtREAD_STREAM));
        
        
        attributes = (JtHashTable) factory.sendMessage(parser, new JtMessage (JtJavaParser.PARSE));
        

        if (parser.getObjException() != null) {
            this.setObjException(factory.getObjException());
            return; // check
        }

        qname = getQualifiedClassName (parser.getClassPackage(),
                parser.getClassName());
        
        form.setName(qname);
        
        //attributes = (JtHashTable) factory.processMessage(msg);
        
        if (attributes  == null)
            return;
        
        iterator = (JtIterator) attributes.processMessage(new JtMessage (JtHashTable.JtGET_KEYS));
        
        if (iterator == null) 
            return;
        /*
        for (;;) {
            st = (String) iterator.processMessage(new JtMessage (JtIterator.JtNEXT));
            if (st == null)
                break;
            lvBean = new  LabelValueBean (st, st);
            keyList.add(lvBean);
        }          
        
        form.setAttributes(keyList);
        ids = getIDs ();
        if (ids != null)
          form.setDbkeys(ids);
        */  
    }    
    
 /*   
    String findDBKey (String name) {
        String[] dbKeys;
        int i;
        String key;
        
        if (daoForm == null || name == null)
            return null;
        
        dbKeys =  daoForm.getDbkeys();
        if (dbKeys == null)
            return null;
        
        for (i = 0; i < dbKeys.length; i++) {
            key = dbKeys[i];
            if (key == null)
                continue;
            if (key.equals(name))
                return name;
                
        }
        return null;
    }
*/
    
    // Add Column subelement
    
    private Element addColumnSubElement (DAOMapping attrMapping) {
        Element element;
        String sqlType;
        boolean bool = false;
        String columnName;
                
        if (attrMapping == null)
            return null;        
              
        element = new Element("column");
        
        sqlType = attrMapping.getSql_type();
        
        
        columnName = attrMapping.getColumn();
        
        if (columnName != null && !columnName.equals("")) {// check white spaces
            element.setAttribute("name", columnName);
        } else
            element.setAttribute("name", attrMapping.getAttribute());
                
        
        
        if (sqlType != null && !sqlType.equals("")) {
            element.setAttribute("sql_type", sqlType);
            bool = true;
        }
        
        if (attrMapping.isNotNull()) {
            element.setAttribute("not-null", "true");
            bool = true;
        }
        
        if (attrMapping.isUnique()) {
            element.setAttribute("unique", "true");
            bool = true;
        }
        
        
        if (bool)
            return (element);
        
        return null;
        
        
    }
    
    
    private boolean ngenerateProperties () {

        JtMessage msg = new JtMessage (JDOMAdapter.ADD_ELEMENT);
        String columnName;
        Element element, columnElement;
        DAOMapping attrMapping;
        DAOMapping arr[];
        int i;
        String attrName;
       
        if (daoForm == null)
            return (false);
        
        arr = (DAOMapping[]) daoForm.getDbmappings();
        
        
        if (arr != null ) {
            for (i = 0; i < arr.length; i++) {

                attrMapping = arr[i];
                if (attrMapping == null)
                    continue;
                if (!attrMapping.isEnabled())
                    continue;
                
                attrName = attrMapping.getAttribute();
                //if (findDBKey (attrName) != null) // is this a key ?
                //    continue;
                
                if (attrMapping.isKeyAttribute())
                    continue;
                       
                element = new Element ("property");
                element.setAttribute("name", attrMapping.getAttribute());                
                columnName = attrMapping.getColumn();
                
                columnElement =  addColumnSubElement (attrMapping);           
 
                if (columnElement != null)
                    element.addContent(columnElement);
                else if (columnName != null && !columnName.equals("")) // check white spaces
                    if (!columnName.equals (attrMapping.getAttribute()))
                        element.setAttribute("column", columnName);
                
                msg.setMsgContent(element);
                msg.setMsgData ("hibernate-mapping/class");
                adapter.processMessage(msg);
                
                
            }

        }
        
        return (true);
        
    }
    
    
    private Element findChild (List children, String name) {
        String tmp;
        int i;
        Element elem;
        
        if (children == null || name == null)
            return (null);
        
        
        for (i = 0; i < children.size(); i++) {
            elem = (Element) children.get(i);
            
            if (!("property".equals(elem.getName())))
                    continue;
            
            tmp = elem.getAttributeValue("name");

            if (name.equals(tmp))
                return elem;
 
        }   
        return (null);
    }
    
    private boolean isID (List list, String name) {
        Iterator iterator;
        DAOMapping attrMapping;
        
        if (list == null || name == null)
            return false;
        
        iterator = list.iterator();
        
        while (iterator.hasNext()) {
            attrMapping = (DAOMapping) iterator.next();
            if (attrMapping == null)
                continue;
            if (name.equals(attrMapping.getAttribute())) {
                return true;
            }
        }
        
        return false;
        
    }