weblogic.jdbc.wrapper.Clob_oracle_sql_CLOB

package com.sumavision.ecommerce.admin.util;

import java.io.InputStream;
import java.lang.reflect.Method;

public class ClobUtils {

/**
* 将Clob类型的数据转成字符串，如果不是clob类型则返回原对象
* @param in
* @return
*/
public static Object clobToString(Object in){
try{
if ("oracle.sql.CLOB".equals(in.getClass().getName())){
String rtn = "";
oracle.sql.CLOB clob = (oracle.sql.CLOB)in;
InputStream input = clob.getAsciiStream();
int len = (int)clob.length();
byte[] by = new byte[len];
int i ;
while(-1 != (i = input.read(by, 0, by.length))) {
input.read(by, 0, i);
}
rtn = new String(by);
rtn=clob.getSubString((long)1,(int)clob.length());

return rtn;
}else if ("weblogic.jdbc.wrapper.Clob_oracle_sql_CLOB".equals(in.getClass().getName())){
String rtn = "";
Method method = in.getClass().getMethod("getVendorObj",new Class[]{});
oracle.sql.CLOB clob = (oracle.sql.CLOB)method.invoke(in);
InputStream input = clob.getAsciiStream();
int len = (int)clob.length();
byte[] by = new byte[len];
int i ;
while(-1 != (i = input.read(by, 0, by.length))) {
input.read(by, 0, i);
}
rtn = new String(by);
rtn=clob.getSubString((long)1,(int)clob.length());

return rtn;

}else{
return in;
}
}catch (Exception e){
return in;
}

}

}

评论

1 楼 bxkq 2010-09-26  

受教了，哎~
我一直在想怎么才能不在lib中加入weblogic的jar包又能解决cast异常。。。原来如此。。。多谢了。~