将数据库查出的clob类型转换为String

将数据库查出的clob类型转换为String 
 if (burResult.next()) {  
                    record.setBur_project_name(burResult.getString("bur_project_name"));  
                    record.setBur_editer(burResult.getString("bur_editer"));  
                    record.setEmployee_name(burResult.getString("employee_name"));  
                    String project_des = null;  
                    Clob  clob = burResult.getClob("project_des");  
                    Reader inStream = clob.getCharacterStream();   
                    char[] c = new char[(int) clob.length()];   
                    try {  
                        inStream.read(c);   
                        project_des = new String(c);   
                        inStream.close();   
                    } catch (IOException e) {  
                        // TODO Auto-generated catch block  
                        e.printStackTrace();  
                    }   
                    record.setBur_project_description(project_des);  
                }  


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